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DbProviderFactory — провайдер-незалежний код","/csharp/ado-net/provider-factory","01.csharp/09.ado-net/07.provider-factory",{"title":438,"path":439,"stem":440},"9.8. Асинхронний доступ до даних","/csharp/ado-net/async-data-access","01.csharp/09.ado-net/08.async-data-access",{"title":442,"path":443,"stem":444},"9.9. Від'єднаний режим: DataSet, DataTable, DataRow","/csharp/ado-net/disconnected-mode-dataset","01.csharp/09.ado-net/09.disconnected-mode-dataset",{"title":446,"path":447,"stem":448},"9.10. DataAdapter — міст між DataSet та базою даних","/csharp/ado-net/data-adapter","01.csharp/09.ado-net/10.data-adapter",{"title":450,"path":451,"stem":452},"9.11. Data Mapper та Repository: Архітектура доступу до даних","/csharp/ado-net/data-mapper-repository","01.csharp/09.ado-net/11.data-mapper-repository",{"title":454,"path":455,"stem":456},"9.12. Identity Map, Unit of Work та Specification Pattern","/csharp/ado-net/advanced-patterns","01.csharp/09.ado-net/12.advanced-patterns",{"title":458,"icon":255,"path":459,"stem":460,"children":461,"page":59},"Ef Core","/csharp/ef-core","01.csharp/10.ef-core",[462,466,470,474,478,482,486,490,494,498,502,506,510,514,518,522,526,532,538,542,546,550,554,558,562,566,570,574,578,582,586,590,594,598,602,606,610,614,618,622,626,630,634,638,642,646],{"title":463,"path":464,"stem":465},"Що таке ORM? Від SQL до об'єктів","/csharp/ef-core/what-is-orm","01.csharp/10.ef-core/01.what-is-orm",{"title":467,"path":468,"stem":469},"Перший проєкт — від нуля до CRUD","/csharp/ef-core/first-project","01.csharp/10.ef-core/02.first-project",{"title":471,"path":472,"stem":473},"DbContext — Серце EF Core","/csharp/ef-core/dbcontext-deep-dive","01.csharp/10.ef-core/03.dbcontext-deep-dive",{"title":475,"path":476,"stem":477},"Провайдери баз даних — Архітектура та Вибір СУБД","/csharp/ef-core/database-providers","01.csharp/10.ef-core/04.database-providers",{"title":479,"path":480,"stem":481},"Конвенції EF Core — Магія без конфігурації","/csharp/ef-core/conventions","01.csharp/10.ef-core/05.conventions",{"title":483,"path":484,"stem":485},"Fluent API та Data Annotations — Явна конфігурація моделі","/csharp/ef-core/fluent-api-vs-annotations","01.csharp/10.ef-core/06.fluent-api-vs-annotations",{"title":487,"path":488,"stem":489},"Зв'язки — One-to-One та One-to-Many","/csharp/ef-core/relationships-basics","01.csharp/10.ef-core/07.relationships-basics",{"title":491,"path":492,"stem":493},"Зв'язки Advanced — Many-to-Many та Складні Сценарії","/csharp/ef-core/relationships-advanced","01.csharp/10.ef-core/08.relationships-advanced",{"title":495,"path":496,"stem":497},"Властивості — Типи, Конвертери, Компаратори (Частина 1)","/csharp/ef-core/property-configuration-part1","01.csharp/10.ef-core/09.property-configuration-part1",{"title":499,"path":500,"stem":501},"Властивості — Value Comparers, Generators, Shadow Properties (Частина 2)","/csharp/ef-core/property-configuration-part2","01.csharp/10.ef-core/09.property-configuration-part2",{"title":503,"path":504,"stem":505},"Складні типи — Owned Types та Complex Types (Частина 1)","/csharp/ef-core/complex-types-owned-part1","01.csharp/10.ef-core/10.complex-types-owned-part1",{"title":507,"path":508,"stem":509},"Складні типи — Complex Types, Keyless Entities, Порівняння (Частина 2)","/csharp/ef-core/complex-types-owned-part2","01.csharp/10.ef-core/10.complex-types-owned-part2",{"title":511,"path":512,"stem":513},"JSON Columns — Складні дані у JSON (Частина 1)","/csharp/ef-core/json-columns-part1","01.csharp/10.ef-core/11.json-columns-part1",{"title":515,"path":516,"stem":517},"JSON Columns — Value Comparers, Індекси, Провайдери (Частина 2)","/csharp/ef-core/json-columns-part2","01.csharp/10.ef-core/11.json-columns-part2",{"title":519,"path":520,"stem":521},"Успадкування — Абстрактні класи та TPH (Частина 1)","/csharp/ef-core/inheritance-part1","01.csharp/10.ef-core/12.inheritance-part1",{"title":523,"path":524,"stem":525},"Успадкування — TPT, TPC та Порівняння Стратегій (Частина 2)","/csharp/ef-core/inheritance-part2","01.csharp/10.ef-core/12.inheritance-part2",{"title":527,"path":528,"stem":529,"children":530},"Індекси, Обмеження та Схема (Частина 1)","/csharp/ef-core/indexes-constraints-part1","01.csharp/10.ef-core/13.indexes-constraints-part1",[531],{"title":527,"path":528,"stem":529},{"title":533,"path":534,"stem":535,"children":536},"Індекси, Обмеження та Схема (Частина 2)","/csharp/ef-core/indexes-constraints-part2","01.csharp/10.ef-core/13.indexes-constraints-part2",[537],{"title":533,"path":534,"stem":535},{"title":539,"path":540,"stem":541},"Seed Data — Початкові Дані (Частина 1)","/csharp/ef-core/seeding-part1","01.csharp/10.ef-core/14.seeding-part1",{"title":543,"path":544,"stem":545},"Seed Data — SQL-скрипти, Bogus та Стратегії (Частина 2)","/csharp/ef-core/seeding-part2","01.csharp/10.ef-core/14.seeding-part2",{"title":547,"path":548,"stem":549},"Global Query Filters — Глобальні Фільтри (Частина 1)","/csharp/ef-core/global-query-filters-part1","01.csharp/10.ef-core/15.global-query-filters-part1",{"title":551,"path":552,"stem":553},"Global Query Filters — Підводні камені та Інтеграція (Частина 2)","/csharp/ef-core/global-query-filters-part2","01.csharp/10.ef-core/15.global-query-filters-part2",{"title":555,"path":556,"stem":557},"LINQ-запити в EF Core (Частина 1)","/csharp/ef-core/linq-queries-part1","01.csharp/10.ef-core/16.linq-queries-part1",{"title":559,"path":560,"stem":561},"LINQ-запити в EF Core (Частина 2)","/csharp/ef-core/linq-queries-part2","01.csharp/10.ef-core/16.linq-queries-part2",{"title":563,"path":564,"stem":565},"Завантаження Пов'язаних Даних (Частина 1)","/csharp/ef-core/loading-related-data-part1","01.csharp/10.ef-core/17.loading-related-data-part1",{"title":567,"path":568,"stem":569},"Завантаження Пов'язаних Даних (Частина 2)","/csharp/ef-core/loading-related-data-part2","01.csharp/10.ef-core/17.loading-related-data-part2",{"title":571,"path":572,"stem":573},"Raw SQL, Views та Stored Procedures (Частина 1)","/csharp/ef-core/raw-sql-part1","01.csharp/10.ef-core/18.raw-sql-part1",{"title":575,"path":576,"stem":577},"Raw SQL — Stored Procedures, DbFunction та Bulk Operations (Частина 2)","/csharp/ef-core/raw-sql-part2","01.csharp/10.ef-core/18.raw-sql-part2",{"title":579,"path":580,"stem":581},"Продвинуті Запити — Compiled Queries, Bulk та Оптимізація (Частина 1)","/csharp/ef-core/advanced-queries-part1","01.csharp/10.ef-core/19.advanced-queries-part1",{"title":583,"path":584,"stem":585},"Продвинуті Запити — Query Tags, Bulk та Interceptors (Частина 2)","/csharp/ef-core/advanced-queries-part2","01.csharp/10.ef-core/19.advanced-queries-part2",{"title":587,"path":588,"stem":589},"Change Tracker — Відстеження Змін (Частина 1)","/csharp/ef-core/change-tracking-part1","01.csharp/10.ef-core/20.change-tracking-part1",{"title":591,"path":592,"stem":593},"Change Tracker — Графи Об'єктів та Disconnected (Частина 2)","/csharp/ef-core/change-tracking-part2","01.csharp/10.ef-core/20.change-tracking-part2",{"title":595,"path":596,"stem":597},"Збереження Даних та Транзакції (Частина 1)","/csharp/ef-core/saving-data-part1","01.csharp/10.ef-core/21.saving-data-part1",{"title":599,"path":600,"stem":601},"Збереження Даних — Concurrency та Outbox (Частина 2)","/csharp/ef-core/saving-data-part2","01.csharp/10.ef-core/21.saving-data-part2",{"title":603,"path":604,"stem":605},"Конкурентність та Блокування (Частина 1)","/csharp/ef-core/concurrency-part1","01.csharp/10.ef-core/22.concurrency-part1",{"title":607,"path":608,"stem":609},"Конкурентність — Дедлоки та Queue Processing (Частина 2)","/csharp/ef-core/concurrency-part2","01.csharp/10.ef-core/22.concurrency-part2",{"title":611,"path":612,"stem":613},"Міграції в EF Core — Основи (Частина 1)","/csharp/ef-core/migrations-basics-part1","01.csharp/10.ef-core/23.migrations-basics-part1",{"title":615,"path":616,"stem":617},"Міграції в EF Core — Основи (Частина 2)","/csharp/ef-core/migrations-basics-part2","01.csharp/10.ef-core/23.migrations-basics-part2",{"title":619,"path":620,"stem":621},"Міграції — Просунуті Сценарії (Частина 1)","/csharp/ef-core/migrations-advanced-part1","01.csharp/10.ef-core/24.migrations-advanced-part1",{"title":623,"path":624,"stem":625},"Міграції — Просунуті Сценарії (Частина 2)","/csharp/ef-core/migrations-advanced-part2","01.csharp/10.ef-core/24.migrations-advanced-part2",{"title":627,"path":628,"stem":629},"Управління Схемою та Database-First (Частина 1)","/csharp/ef-core/schema-management-part1","01.csharp/10.ef-core/25.schema-management-part1",{"title":631,"path":632,"stem":633},"Управління Схемою та Database-First (Частина 2)","/csharp/ef-core/schema-management-part2","01.csharp/10.ef-core/25.schema-management-part2",{"title":635,"path":636,"stem":637},"Продуктивність EF Core — Основи (Частина 1)","/csharp/ef-core/performance-fundamentals-part1","01.csharp/10.ef-core/26.performance-fundamentals-part1",{"title":639,"path":640,"stem":641},"Interceptors в EF Core (Частина 1)","/csharp/ef-core/interceptors-part1","01.csharp/10.ef-core/29.interceptors-part1",{"title":643,"path":644,"stem":645},"Interceptors в EF Core — Connection, Transaction та Materialization (Частина 2)","/csharp/ef-core/interceptors-part2","01.csharp/10.ef-core/29.interceptors-part2",{"title":647,"path":648,"stem":649},"План вивчення Entity Framework Core — Повний курс","/csharp/ef-core/implementation_plan","01.csharp/10.ef-core/implementation_plan",{"title":651,"icon":652,"path":653,"stem":654,"children":655,"page":59},"ASP.NET","i-devicon-dotnetcore","/csharp/aspnet","01.csharp/11.aspnet",[656,730,791,869,927,941,967,1057,1111,1182,1212,1289],{"title":657,"icon":658,"path":659,"stem":660,"children":661,"page":59},"Minimal API","i-lucide-network","/csharp/aspnet/minimal-api","01.csharp/11.aspnet/01.minimal-api",[662,666,670,674,678,682,686,690,694,698,702,706,710,714,718,722,726],{"title":663,"path":664,"stem":665},"Вступ до ASP.NET та еволюція фреймворку","/csharp/aspnet/minimal-api/introduction","01.csharp/11.aspnet/01.minimal-api/01.introduction",{"title":667,"path":668,"stem":669},"Перший додаток на ASP.NET Core","/csharp/aspnet/minimal-api/first-application","01.csharp/11.aspnet/01.minimal-api/02.first-application",{"title":671,"path":672,"stem":673},"WebApplication, Builder та Dependency Injection","/csharp/aspnet/minimal-api/webapplication-builder","01.csharp/11.aspnet/01.minimal-api/03.webapplication-builder",{"title":675,"path":676,"stem":677},"Конвеєр запитів та Middleware","/csharp/aspnet/minimal-api/request-pipeline-middleware","01.csharp/11.aspnet/01.minimal-api/04.request-pipeline-middleware",{"title":679,"path":680,"stem":681},"Маршрутизація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/routing-basics","01.csharp/11.aspnet/01.minimal-api/05.routing-basics",{"title":683,"path":684,"stem":685},"Маршрутизація в ASP.NET Core: Розширені можливості","/csharp/aspnet/minimal-api/routing-advanced","01.csharp/11.aspnet/01.minimal-api/06.routing-advanced",{"title":687,"path":688,"stem":689},"Статичні файли в ASP.NET Core","/csharp/aspnet/minimal-api/static-files","01.csharp/11.aspnet/01.minimal-api/07.static-files",{"title":691,"path":692,"stem":693},"Статичні Активи: MapStaticAssets (ASP.NET Core 9.0)","/csharp/aspnet/minimal-api/static-assets","01.csharp/11.aspnet/01.minimal-api/08.static-assets",{"title":695,"path":696,"stem":697},"Конфігурація в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/configuration-fundamentals","01.csharp/11.aspnet/01.minimal-api/09.configuration-fundamentals",{"title":699,"path":700,"stem":701},"Конфігурація: Паттерн Options","/csharp/aspnet/minimal-api/configuration-options","01.csharp/11.aspnet/01.minimal-api/10.configuration-options",{"title":703,"path":704,"stem":705},"Логування в ASP.NET Core: Основи","/csharp/aspnet/minimal-api/logging-basics","01.csharp/11.aspnet/01.minimal-api/11.logging-basics",{"title":707,"path":708,"stem":709},"Логування: Serilog та Middleware","/csharp/aspnet/minimal-api/logging-advanced","01.csharp/11.aspnet/01.minimal-api/12.logging-advanced",{"title":711,"path":712,"stem":713},"Управління станом: HttpContext.Items та Cookies","/csharp/aspnet/minimal-api/state-management","01.csharp/11.aspnet/01.minimal-api/13.state-management",{"title":715,"path":716,"stem":717},"Стан сесії: Sessions","/csharp/aspnet/minimal-api/session-state","01.csharp/11.aspnet/01.minimal-api/14.session-state",{"title":719,"path":720,"stem":721},"Структура проєкту: від хаосу до архітектури","/csharp/aspnet/minimal-api/project-structure","01.csharp/11.aspnet/01.minimal-api/15.project-structure",{"title":723,"path":724,"stem":725},"Scalar у Minimal API: повний проєкт і Fluent OpenAPI","/csharp/aspnet/minimal-api/scalar-openapi-fluent","01.csharp/11.aspnet/01.minimal-api/16.scalar-openapi-fluent",{"title":727,"path":728,"stem":729},"Swagger / Swashbuckle у Minimal API: окремий класичний шлях","/csharp/aspnet/minimal-api/swagger-swashbuckle","01.csharp/11.aspnet/01.minimal-api/17.swagger-swashbuckle",{"title":731,"icon":658,"path":732,"stem":733,"children":734,"page":59},"API","/csharp/aspnet/api","01.csharp/11.aspnet/02.api",[735,739,743,747,751,755,759,763,767,771,775,779,783,787],{"title":736,"path":737,"stem":738},"Що таке API. Клієнт-серверна архітектура","/csharp/aspnet/api/what-is-api","01.csharp/11.aspnet/02.api/01.what-is-api",{"title":740,"path":741,"stem":742},"Формати даних: JSON, XML, TOML та бінарні формати","/csharp/aspnet/api/data-formats","01.csharp/11.aspnet/02.api/02.data-formats",{"title":744,"path":745,"stem":746},"Парадигми API та концепція REST","/csharp/aspnet/api/api-paradigms-rest","01.csharp/11.aspnet/02.api/03.api-paradigms-rest",{"title":748,"path":749,"stem":750},"HTTP-методи, статус-коди та заголовки","/csharp/aspnet/api/http-methods-status-codes","01.csharp/11.aspnet/02.api/04.http-methods-status-codes",{"title":752,"path":753,"stem":754},"Організація HTTP API за принципами REST","/csharp/aspnet/api/rest-organizing","01.csharp/11.aspnet/02.api/05.rest-organizing",{"title":756,"path":757,"stem":758},"Номенклатура URL та CRUD-операції","/csharp/aspnet/api/url-nomenclature-crud","01.csharp/11.aspnet/02.api/06.url-nomenclature-crud",{"title":760,"path":761,"stem":762},"Правила дизайну: іменування та стандарти","/csharp/aspnet/api/api-design-naming","01.csharp/11.aspnet/02.api/07.api-design-naming",{"title":764,"path":765,"stem":766},"Валідація, ліміти та обробка помилок","/csharp/aspnet/api/api-design-validation","01.csharp/11.aspnet/02.api/08.api-design-validation",{"title":768,"path":769,"stem":770},"Обробка помилок у Minimal API","/csharp/aspnet/api/error-handling-http","01.csharp/11.aspnet/02.api/09.error-handling-http",{"title":772,"path":773,"stem":774},"Ідемпотентність та синхронізація стану","/csharp/aspnet/api/idempotency-sync","01.csharp/11.aspnet/02.api/10.idempotency-sync",{"title":776,"path":777,"stem":778},"Пагінація та організація списків","/csharp/aspnet/api/pagination-lists","01.csharp/11.aspnet/02.api/11.pagination-lists",{"title":780,"path":781,"stem":782},"Безпека API, кешування та інтернаціоналізація","/csharp/aspnet/api/security-auth","01.csharp/11.aspnet/02.api/12.security-auth",{"title":784,"path":785,"stem":786},"Процес проєктування API та документування","/csharp/aspnet/api/api-design-process","01.csharp/11.aspnet/02.api/13.api-design-process",{"title":788,"path":789,"stem":790},"OpenAPI: контракт, специфікація та документація API","/csharp/aspnet/api/openapi","01.csharp/11.aspnet/02.api/14.openapi",{"title":792,"icon":793,"path":794,"stem":795,"children":796,"page":59},"Auth","i-lucide-shield-check","/csharp/aspnet/auth","01.csharp/11.aspnet/03.auth",[797,801,805,809,813,817,821,825,829,833,837,841,845,849,853,857,861,865],{"title":798,"path":799,"stem":800},"Основи аутентифікації та авторизації","/csharp/aspnet/auth/auth-fundamentals","01.csharp/11.aspnet/03.auth/01.auth-fundamentals",{"title":802,"path":803,"stem":804},"JWT-аутентифікація","/csharp/aspnet/auth/jwt-authentication","01.csharp/11.aspnet/03.auth/02.jwt-authentication",{"title":806,"path":807,"stem":808},"Авторизація: ролі, політики та resource-based доступ","/csharp/aspnet/auth/authorization-policies","01.csharp/11.aspnet/03.auth/03.authorization-policies",{"title":810,"path":811,"stem":812},"Cookie-аутентифікація та ASP.NET Core Identity","/csharp/aspnet/auth/cookie-auth-identity","01.csharp/11.aspnet/03.auth/04.cookie-auth-identity",{"title":814,"path":815,"stem":816},"JWT + Refresh Tokens (HttpOnly Cookie)","/csharp/aspnet/auth/04b.identity-auth-jwt","01.csharp/11.aspnet/03.auth/04b.identity-auth-jwt",{"title":818,"path":819,"stem":820},"Identity: Підтвердження Email та Скидання Пароля","/csharp/aspnet/auth/identity-email-confirmation","01.csharp/11.aspnet/03.auth/05.identity-email-confirmation",{"title":822,"path":823,"stem":824},"Identity: Двофакторна Аутентифікація (2FA)","/csharp/aspnet/auth/identity-two-factor","01.csharp/11.aspnet/03.auth/06.identity-two-factor",{"title":826,"path":827,"stem":828},"Identity: Внутрішня Архітектура та Кастомізація","/csharp/aspnet/auth/identity-internals","01.csharp/11.aspnet/03.auth/07.identity-internals",{"title":830,"path":831,"stem":832},"OAuth 2.0 та зовнішні провайдери","/csharp/aspnet/auth/oauth-external-providers","01.csharp/11.aspnet/03.auth/08.oauth-external-providers",{"title":834,"path":835,"stem":836},"Безпека на практиці: CORS, HTTPS та захист від атак","/csharp/aspnet/auth/security-hardening","01.csharp/11.aspnet/03.auth/09.security-hardening",{"title":838,"path":839,"stem":840},"Теорія OAuth 2.0: Поняття, Аналогії та Флоу","/csharp/aspnet/auth/oauth-theory","01.csharp/11.aspnet/03.auth/10.oauth-theory",{"title":842,"path":843,"stem":844},"OIDC, OAuth 2.0 та Keycloak в ASP.NET Core","/csharp/aspnet/auth/oidc-keycloak","01.csharp/11.aspnet/03.auth/10.oidc-keycloak",{"title":846,"path":847,"stem":848},"API Keys аутентифікація в ASP.NET Core","/csharp/aspnet/auth/api-keys","01.csharp/11.aspnet/03.auth/11.api-keys",{"title":850,"path":851,"stem":852},"Rate Limiting та Throttling в ASP.NET Core","/csharp/aspnet/auth/rate-limiting","01.csharp/11.aspnet/03.auth/12.rate-limiting",{"title":854,"path":855,"stem":856},"Refresh Token Rotation в ASP.NET Core","/csharp/aspnet/auth/refresh-token-rotation","01.csharp/11.aspnet/03.auth/13.refresh-token-rotation",{"title":858,"path":859,"stem":860},"Certificate Authentication та mTLS в ASP.NET Core","/csharp/aspnet/auth/certificate-auth","01.csharp/11.aspnet/03.auth/14.certificate-auth",{"title":862,"path":863,"stem":864},"RBAC, ABAC та ReBAC в ASP.NET Core","/csharp/aspnet/auth/rbac-abac-rebac","01.csharp/11.aspnet/03.auth/15.rbac-abac-rebac",{"title":866,"path":867,"stem":868},"Multi-tenancy та ізоляція даних в ASP.NET Core","/csharp/aspnet/auth/multi-tenancy","01.csharp/11.aspnet/03.auth/16.multi-tenancy",{"title":870,"icon":871,"path":872,"stem":873,"children":874,"page":59},"Нотифікації","i-lucide-bell","/csharp/aspnet/notifications","01.csharp/11.aspnet/04.notifications",[875,879,883,887,891,895,899,903,907,911,915,919,923],{"title":876,"path":877,"stem":878},"In-App нотифікації через базу даних","/csharp/aspnet/notifications/in-app-database-notifications","01.csharp/11.aspnet/04.notifications/01.in-app-database-notifications",{"title":880,"path":881,"stem":882},"Polling: Регулярний запит оновлень","/csharp/aspnet/notifications/polling","01.csharp/11.aspnet/04.notifications/02.polling",{"title":884,"path":885,"stem":886},"Server-Sent Events: Однострімовий push від сервера","/csharp/aspnet/notifications/server-sent-events","01.csharp/11.aspnet/04.notifications/03.server-sent-events",{"title":888,"path":889,"stem":890},"WebSockets: Двостороннє з'єднання в реальному часі","/csharp/aspnet/notifications/websockets","01.csharp/11.aspnet/04.notifications/04.websockets",{"title":892,"path":893,"stem":894},"SignalR: Абстракція над транспортами реального часу","/csharp/aspnet/notifications/signalr","01.csharp/11.aspnet/04.notifications/05.signalr",{"title":896,"path":897,"stem":898},"Background Services: Фонові задачі в ASP.NET Core","/csharp/aspnet/notifications/background-services","01.csharp/11.aspnet/04.notifications/06.background-services",{"title":900,"path":901,"stem":902},"Web Push нотифікації","/csharp/aspnet/notifications/web-push","01.csharp/11.aspnet/04.notifications/07.web-push",{"title":904,"path":905,"stem":906},"Email нотифікації","/csharp/aspnet/notifications/email-notifications","01.csharp/11.aspnet/04.notifications/08.email-notifications",{"title":908,"path":909,"stem":910},"Порівняння підходів: Як вибрати правильну технологію нотифікацій","/csharp/aspnet/notifications/choosing-the-right-approach","01.csharp/11.aspnet/04.notifications/09.choosing-the-right-approach",{"title":912,"path":913,"stem":914},"Hangfire: Надійне планування фонових задач","/csharp/aspnet/notifications/hangfire","01.csharp/11.aspnet/04.notifications/10.hangfire",{"title":916,"path":917,"stem":918},"Практика: Конвертація зображень у WebP через Hangfire","/csharp/aspnet/notifications/hangfire-image-webp","01.csharp/11.aspnet/04.notifications/11.hangfire-image-webp",{"title":920,"path":921,"stem":922},"Практика: Підготовка відео до HLS-стрімінгу через Hangfire","/csharp/aspnet/notifications/hangfire-video-hls","01.csharp/11.aspnet/04.notifications/12.hangfire-video-hls",{"title":924,"path":925,"stem":926},"Telegram-нотифікації: від одного повідомлення до масових розсилок і мульти-канального підходу","/csharp/aspnet/notifications/telegram-notifications","01.csharp/11.aspnet/04.notifications/13.telegram-notifications",{"title":928,"icon":929,"path":930,"stem":931,"children":932,"page":59},"Інтернаціоналізація","i-lucide-languages","/csharp/aspnet/i18n","01.csharp/11.aspnet/05.i18n",[933,937],{"title":934,"path":935,"stem":936},"Інтернаціоналізація (i18n) у Minimal API: від A до Я","/csharp/aspnet/i18n/internationalization","01.csharp/11.aspnet/05.i18n/01.internationalization",{"title":938,"path":939,"stem":940},"Humanizer: людиномовні рядки у .NET","/csharp/aspnet/i18n/humanizer","01.csharp/11.aspnet/05.i18n/02.humanizer",{"title":942,"icon":943,"path":944,"stem":945,"children":946,"page":59},"Кешування","i-lucide-layers","/csharp/aspnet/caching","01.csharp/11.aspnet/06.caching",[947,951,955,959,963],{"title":948,"path":949,"stem":950},"Огляд кешування: чотири рівні і коли що обирати","/csharp/aspnet/caching/caching","01.csharp/11.aspnet/06.caching/01.caching",{"title":952,"path":953,"stem":954},"IMemoryCache: кеш в оперативній пам'яті","/csharp/aspnet/caching/memory-cache","01.csharp/11.aspnet/06.caching/02.memory-cache",{"title":956,"path":957,"stem":958},"IDistributedCache і Redis: розподілений кеш","/csharp/aspnet/caching/distributed-cache","01.csharp/11.aspnet/06.caching/03.distributed-cache",{"title":960,"path":961,"stem":962},"Response Cache: HTTP-кешування через Cache-Control","/csharp/aspnet/caching/response-cache","01.csharp/11.aspnet/06.caching/04.response-cache",{"title":964,"path":965,"stem":966},"Output Cache: серверний кеш HTTP-відповідей (.NET 7+)","/csharp/aspnet/caching/output-cache","01.csharp/11.aspnet/06.caching/05.output-cache",{"title":968,"icon":969,"path":970,"stem":971,"children":972,"page":59},"Тестування","i-lucide-test-tube","/csharp/aspnet/testing","01.csharp/11.aspnet/07.testing",[973,977,981,985,989,993,997,1001,1005,1009,1013,1017,1021,1025,1029,1033,1037,1041,1045,1049,1053],{"title":974,"path":975,"stem":976},"Що таке тестування? Від інтуїції до науки","/csharp/aspnet/testing/what-is-testing","01.csharp/11.aspnet/07.testing/01.what-is-testing",{"title":978,"path":979,"stem":980},"Піраміда тестування — Стратегія, а не Догма","/csharp/aspnet/testing/testing-pyramid","01.csharp/11.aspnet/07.testing/02.testing-pyramid",{"title":982,"path":983,"stem":984},"Дві Школи Тестування — Лондон проти Детройту","/csharp/aspnet/testing/testing-schools","01.csharp/11.aspnet/07.testing/03.testing-schools",{"title":986,"path":987,"stem":988},"TDD та BDD — Тести як Дизайн-інструмент","/csharp/aspnet/testing/tdd-and-bdd","01.csharp/11.aspnet/07.testing/04.tdd-and-bdd",{"title":990,"path":991,"stem":992},"Що саме тестувати — Техніки аналізу та Циклomatична складність","/csharp/aspnet/testing/what-to-test","01.csharp/11.aspnet/07.testing/05.what-to-test",{"title":994,"path":995,"stem":996},"Тестові Фреймворки — Навіщо вони і що всередині","/csharp/aspnet/testing/test-frameworks","01.csharp/11.aspnet/07.testing/06.test-frameworks",{"title":998,"path":999,"stem":1000},"xUnit — Факти, Теорії та Lifecycle тестів","/csharp/aspnet/testing/xunit-basics","01.csharp/11.aspnet/07.testing/07.xunit-basics",{"title":1002,"path":1003,"stem":1004},"xUnit Advanced — Fixtures, Кастомізація та Розширення","/csharp/aspnet/testing/xunit-advanced","01.csharp/11.aspnet/07.testing/08.xunit-advanced",{"title":1006,"path":1007,"stem":1008},"Moq — Глибоке занурення в мокування","/csharp/aspnet/testing/mocking-with-moq","01.csharp/11.aspnet/07.testing/09.mocking-with-moq",{"title":1010,"path":1011,"stem":1012},"Тестування Баз Даних — EF Core, SQLite та Testcontainers","/csharp/aspnet/testing/database-testing","01.csharp/11.aspnet/07.testing/10.database-testing",{"title":1014,"path":1015,"stem":1016},"Integration Testing — Частина 1 [Теорія та WebApplicationFactory]","/csharp/aspnet/testing/integration-testing","01.csharp/11.aspnet/07.testing/11.integration-testing",{"title":1018,"path":1019,"stem":1020},"Інтеграційне тестування — Практика","/csharp/aspnet/testing/11a.integration-testing-practice","01.csharp/11.aspnet/07.testing/11a.integration-testing-practice",{"title":1022,"path":1023,"stem":1024},"Integration Testing — Частина 2 [Просунуті Сценарії та Testcontainers]","/csharp/aspnet/testing/integration-testing-advanced","01.csharp/11.aspnet/07.testing/12.integration-testing-advanced",{"title":1026,"path":1027,"stem":1028},"Професійний Postman: Колекції, Змінні та GitHub Інтеграція","/csharp/aspnet/testing/postman-professional","01.csharp/11.aspnet/07.testing/13.postman-professional",{"title":1030,"path":1031,"stem":1032},"HttpClient у Тестах Частина 1: Архітектура та MockHttpMessageHandler","/csharp/aspnet/testing/httpclient-testing","01.csharp/11.aspnet/07.testing/14.httpclient-testing",{"title":1034,"path":1035,"stem":1036},"HttpClient у Тестах Частина 2: WireMock.Net та Resilience","/csharp/aspnet/testing/wiremock-net","01.csharp/11.aspnet/07.testing/15.wiremock-net",{"title":1038,"path":1039,"stem":1040},"Патерни та Анти-патерни Тестування: Test Smells","/csharp/aspnet/testing/testing-patterns","01.csharp/11.aspnet/07.testing/16.testing-patterns",{"title":1042,"path":1043,"stem":1044},"Просунуті інструменти: Time, Snapshots та Властивості","/csharp/aspnet/testing/advanced-testing-tools","01.csharp/11.aspnet/07.testing/17.advanced-testing-tools",{"title":1046,"path":1047,"stem":1048},"Тестування Архітектури з NetArchTest","/csharp/aspnet/testing/architecture-testing","01.csharp/11.aspnet/07.testing/18.architecture-testing",{"title":1050,"path":1051,"stem":1052},"Тестування Продуктивності: BenchmarkDotNet, NBomber та k6","/csharp/aspnet/testing/performance-testing","01.csharp/11.aspnet/07.testing/19.performance-testing",{"title":1054,"path":1055,"stem":1056},"Залишок плану для курсу \"Тестування ASP.NET Minimal API\"","/csharp/aspnet/testing/remaining_plan","01.csharp/11.aspnet/07.testing/remaining_plan",{"title":1058,"icon":1059,"path":1060,"stem":1061,"children":1062,"page":59},"Платежі","i-lucide-credit-card","/csharp/aspnet/payments","01.csharp/11.aspnet/08.payments",[1063,1067,1071,1075,1079,1083,1087,1091,1095,1099,1103,1107],{"title":1064,"path":1065,"stem":1066},"Основи платіжної інфраструктури","/csharp/aspnet/payments/payment-fundamentals","01.csharp/11.aspnet/08.payments/01.payment-fundamentals",{"title":1068,"path":1069,"stem":1070},"Методи оплати в Україні","/csharp/aspnet/payments/payment-methods-ukraine","01.csharp/11.aspnet/08.payments/02.payment-methods-ukraine",{"title":1072,"path":1073,"stem":1074},"PCI DSS та безпека платежів","/csharp/aspnet/payments/pci-dss-security","01.csharp/11.aspnet/08.payments/03.pci-dss-security",{"title":1076,"path":1077,"stem":1078},"Архітектура платіжної підсистеми","/csharp/aspnet/payments/payment-architecture","01.csharp/11.aspnet/08.payments/04.payment-architecture",{"title":1080,"path":1081,"stem":1082},"Інтеграція LiqPay (ПриватБанк)","/csharp/aspnet/payments/liqpay-integration","01.csharp/11.aspnet/08.payments/05.liqpay-integration",{"title":1084,"path":1085,"stem":1086},"Інтеграція Monobank Acquiring API","/csharp/aspnet/payments/monobank-acquiring","01.csharp/11.aspnet/08.payments/06.monobank-acquiring",{"title":1088,"path":1089,"stem":1090},"Інтеграція Stripe","/csharp/aspnet/payments/stripe-integration","01.csharp/11.aspnet/08.payments/07.stripe-integration",{"title":1092,"path":1093,"stem":1094},"Webhooks — глибоке занурення","/csharp/aspnet/payments/webhooks-deep-dive","01.csharp/11.aspnet/08.payments/08.webhooks-deep-dive",{"title":1096,"path":1097,"stem":1098},"Підписки та рекурентні платежі","/csharp/aspnet/payments/subscriptions-recurring","01.csharp/11.aspnet/08.payments/09.subscriptions-recurring",{"title":1100,"path":1101,"stem":1102},"Повернення коштів та диспути","/csharp/aspnet/payments/refunds-disputes","01.csharp/11.aspnet/08.payments/10.refunds-disputes",{"title":1104,"path":1105,"stem":1106},"Тестування платіжних інтеграцій","/csharp/aspnet/payments/testing-payments","01.csharp/11.aspnet/08.payments/11.testing-payments",{"title":1108,"path":1109,"stem":1110},"Чекліст виходу в Production","/csharp/aspnet/payments/production-checklist","01.csharp/11.aspnet/08.payments/12.production-checklist",{"title":1112,"icon":1113,"items":1114,"path":1127,"stem":1128,"children":1129,"page":59},"Популярні бібліотеки","lucide:box",[1115,1116,1117,1118,1119,1120,1121,1122,1123,1124,1125,1126],"01.fluent-validation","02.mapster","03.erroror-result-pattern","04.serilog","05.mediatr","06.polly","07.health-checks","08.feature-management","09.fluent-email","10.quest-pdf","11.bogus","12.humanizer-guard","/csharp/aspnet/libraries","01.csharp/11.aspnet/09.libraries",[1130,1134,1138,1142,1146,1150,1154,1158,1162,1166,1170,1174,1178],{"title":1131,"path":1132,"stem":1133},"Валідація з FluentValidation в ASP.NET Core","/csharp/aspnet/libraries/fluent-validation","01.csharp/11.aspnet/09.libraries/01.fluent-validation",{"title":1135,"path":1136,"stem":1137},"Маппінг об","/csharp/aspnet/libraries/mapster","01.csharp/11.aspnet/09.libraries/02.mapster",{"title":1139,"path":1140,"stem":1141},"Обробка помилок з ErrorOr та Result Pattern в ASP.NET Core","/csharp/aspnet/libraries/erroror-result-pattern","01.csharp/11.aspnet/09.libraries/03.erroror-result-pattern",{"title":1143,"path":1144,"stem":1145},"Структуроване логування з Serilog в ASP.NET Core","/csharp/aspnet/libraries/serilog","01.csharp/11.aspnet/09.libraries/04.serilog",{"title":1147,"path":1148,"stem":1149},"CQRS та Mediator з MediatR в ASP.NET Core","/csharp/aspnet/libraries/mediatr","01.csharp/11.aspnet/09.libraries/05.mediatr",{"title":1151,"path":1152,"stem":1153},"Відмовостійкість з Polly в ASP.NET Core","/csharp/aspnet/libraries/polly","01.csharp/11.aspnet/09.libraries/06.polly",{"title":1155,"path":1156,"stem":1157},"Health Checks в ASP.NET Core","/csharp/aspnet/libraries/health-checks","01.csharp/11.aspnet/09.libraries/07.health-checks",{"title":1159,"path":1160,"stem":1161},"Feature Management та Feature Flags в ASP.NET Core","/csharp/aspnet/libraries/feature-management","01.csharp/11.aspnet/09.libraries/08.feature-management",{"title":1163,"path":1164,"stem":1165},"Відправка Email з FluentEmail в ASP.NET Core","/csharp/aspnet/libraries/fluent-email","01.csharp/11.aspnet/09.libraries/09.fluent-email",{"title":1167,"path":1168,"stem":1169},"Генерація PDF з QuestPDF в ASP.NET Core","/csharp/aspnet/libraries/quest-pdf","01.csharp/11.aspnet/09.libraries/10.quest-pdf",{"title":1171,"path":1172,"stem":1173},"Генерація тестових даних з Bogus в ASP.NET Core","/csharp/aspnet/libraries/bogus","01.csharp/11.aspnet/09.libraries/11.bogus",{"title":1175,"path":1176,"stem":1177},"Humanizer та Guard Clauses в ASP.NET Core","/csharp/aspnet/libraries/humanizer-guard","01.csharp/11.aspnet/09.libraries/12.humanizer-guard",{"title":1179,"path":1180,"stem":1181},"План модуля 10.libraries — Популярні бібліотеки ASP.NET","/csharp/aspnet/libraries/plan","01.csharp/11.aspnet/09.libraries/plan",{"title":1183,"icon":1184,"path":1185,"stem":1186,"children":1187,"page":59},"Razor Pages","i-lucide-layout-template","/csharp/aspnet/razor-pages","01.csharp/11.aspnet/10.razor-pages",[1188,1192,1196,1200,1204,1208],{"title":1189,"path":1190,"stem":1191},"Від Minimal API до Razor Pages: концептуальний перехід","/csharp/aspnet/razor-pages/from-minimal-api","01.csharp/11.aspnet/10.razor-pages/01.from-minimal-api",{"title":1193,"path":1194,"stem":1195},"PageModel: логіка сторінки Razor Pages","/csharp/aspnet/razor-pages/page-model","01.csharp/11.aspnet/10.razor-pages/02.page-model",{"title":1197,"path":1198,"stem":1199},"Razor синтаксис: шаблонізатор у .cshtml","/csharp/aspnet/razor-pages/razor-syntax","01.csharp/11.aspnet/10.razor-pages/03.razor-syntax",{"title":1201,"path":1202,"stem":1203},"Tag Helpers: типізований HTML","/csharp/aspnet/razor-pages/tag-helpers","01.csharp/11.aspnet/10.razor-pages/04.tag-helpers",{"title":1205,"path":1206,"stem":1207},"Форми і валідація: повний цикл обробки даних","/csharp/aspnet/razor-pages/forms-validation","01.csharp/11.aspnet/10.razor-pages/05.forms-validation",{"title":1209,"path":1210,"stem":1211},"Практичний проєкт: TaskManager на Razor Pages","/csharp/aspnet/razor-pages/project-task-manager","01.csharp/11.aspnet/10.razor-pages/06.project-task-manager",{"title":1213,"path":1214,"stem":1215,"children":1216,"page":59},"ASP.NET Core MVC","/csharp/aspnet/mvc","01.csharp/11.aspnet/11.mvc",[1217,1221,1225,1229,1233,1237,1241,1245,1249,1253,1257,1261,1265,1269,1273,1277,1281,1285],{"title":1218,"path":1219,"stem":1220},"Патерн MVC: архітектура, що змінила веб","/csharp/aspnet/mvc/mvc-pattern","01.csharp/11.aspnet/11.mvc/01.mvc-pattern",{"title":1222,"path":1223,"stem":1224},"Від Razor Pages до MVC: концептуальний перехід","/csharp/aspnet/mvc/from-razor-pages","01.csharp/11.aspnet/11.mvc/02.from-razor-pages",{"title":1226,"path":1227,"stem":1228},"Controllers та Actions: серце MVC","/csharp/aspnet/mvc/controllers-actions","01.csharp/11.aspnet/11.mvc/03.controllers-actions",{"title":1230,"path":1231,"stem":1232},"Маршрутизація в MVC: Convention vs Attribute Routing","/csharp/aspnet/mvc/routing-mvc","01.csharp/11.aspnet/11.mvc/04.routing-mvc",{"title":1234,"path":1235,"stem":1236},"Model Binding: від HTTP до C#","/csharp/aspnet/mvc/model-binding","01.csharp/11.aspnet/11.mvc/05.model-binding",{"title":1238,"path":1239,"stem":1240},"Views, ViewData, ViewBag, TempData і ViewModel","/csharp/aspnet/mvc/views-viewdata-tempdata","01.csharp/11.aspnet/11.mvc/06.views-viewdata-tempdata",{"title":1242,"path":1243,"stem":1244},"Filters: аспектно-орієнтоване програмування в MVC","/csharp/aspnet/mvc/filters","01.csharp/11.aspnet/11.mvc/07.filters",{"title":1246,"path":1247,"stem":1248},"Areas: структурування великих застосунків","/csharp/aspnet/mvc/areas","01.csharp/11.aspnet/11.mvc/08.areas",{"title":1250,"path":1251,"stem":1252},"View Components: повторювані незалежні блоки UI","/csharp/aspnet/mvc/view-components","01.csharp/11.aspnet/11.mvc/09.view-components",{"title":1254,"path":1255,"stem":1256},"Display та Editor Templates","/csharp/aspnet/mvc/display-editor-templates","01.csharp/11.aspnet/11.mvc/10.display-editor-templates",{"title":1258,"path":1259,"stem":1260},"Валідація: IValidatableObject та FluentValidation","/csharp/aspnet/mvc/validation-advanced","01.csharp/11.aspnet/11.mvc/11.validation-advanced",{"title":1262,"path":1263,"stem":1264},"HTMX: інтерактивність через HTML-атрибути","/csharp/aspnet/mvc/htmx","01.csharp/11.aspnet/11.mvc/12.htmx",{"title":1266,"path":1267,"stem":1268},"HTMX у ASP.NET Core MVC: серверна інтеграція","/csharp/aspnet/mvc/ajax-htmx-mvc","01.csharp/11.aspnet/11.mvc/13.ajax-htmx-mvc",{"title":1270,"path":1271,"stem":1272},"Практичний проєкт: Каталог товарів з HTMX","/csharp/aspnet/mvc/htmx-project","01.csharp/11.aspnet/11.mvc/14.htmx-project",{"title":1274,"path":1275,"stem":1276},"Завантаження та обробка файлів","/csharp/aspnet/mvc/file-upload","01.csharp/11.aspnet/11.mvc/15.file-upload",{"title":1278,"path":1279,"stem":1280},"Глобалізація та Локалізація MVC","/csharp/aspnet/mvc/globalization-localization","01.csharp/11.aspnet/11.mvc/16.globalization-localization",{"title":1282,"path":1283,"stem":1284},"Підсумковий проєкт: Блог-платформа","/csharp/aspnet/mvc/mvc-project","01.csharp/11.aspnet/11.mvc/17.mvc-project",{"title":1286,"path":1287,"stem":1288},"План курсу: ASP.NET Core MVC","/csharp/aspnet/mvc/plan","01.csharp/11.aspnet/11.mvc/plan",{"title":1290,"path":1291,"stem":1292,"children":1293,"page":59},"Web Api","/csharp/aspnet/web-api","01.csharp/11.aspnet/12.web-api",[1294,1298,1302,1306,1310,1314,1318,1322,1326,1330,1334,1338,1342],{"title":1295,"path":1296,"stem":1297},"Від Minimal API до Controller-based API","/csharp/aspnet/web-api/from-minimal-api-to-controllers","01.csharp/11.aspnet/12.web-api/01.from-minimal-api-to-controllers",{"title":1299,"path":1300,"stem":1301},"ControllerBase, ActionResult\u003CT> та Response Types","/csharp/aspnet/web-api/controller-base-actionresult","01.csharp/11.aspnet/12.web-api/02.controller-base-actionresult",{"title":1303,"path":1304,"stem":1305},"Content Negotiation - JSON, XML та власні форматери","/csharp/aspnet/web-api/content-negotiation","01.csharp/11.aspnet/12.web-api/03.content-negotiation",{"title":1307,"path":1308,"stem":1309},"Версіонування API","/csharp/aspnet/web-api/api-versioning","01.csharp/11.aspnet/12.web-api/04.api-versioning",{"title":1311,"path":1312,"stem":1313},"ProblemDetails та структурована обробка помилок","/csharp/aspnet/web-api/problemdetails-error-handling","01.csharp/11.aspnet/12.web-api/05.problemdetails-error-handling",{"title":1315,"path":1316,"stem":1317},"Фільтри у Web API контексті","/csharp/aspnet/web-api/filters-for-api","01.csharp/11.aspnet/12.web-api/06.filters-for-api",{"title":1319,"path":1320,"stem":1321},"Пагінація, фільтрація та сортування","/csharp/aspnet/web-api/pagination-filtering-sorting","01.csharp/11.aspnet/12.web-api/07.pagination-filtering-sorting",{"title":1323,"path":1324,"stem":1325},"HATEOAS та Resource Expansion","/csharp/aspnet/web-api/hateoas-resource-expansion","01.csharp/11.aspnet/12.web-api/08.hateoas-resource-expansion",{"title":1327,"path":1328,"stem":1329},"Гібридна архітектура - Minimal API + Controllers","/csharp/aspnet/web-api/minimal-api-vs-controllers-hybrid","01.csharp/11.aspnet/12.web-api/09.minimal-api-vs-controllers-hybrid",{"title":1331,"path":1332,"stem":1333},"Документація API - Swashbuckle, NSwag та генерація клієнтів","/csharp/aspnet/web-api/api-documentation-generation","01.csharp/11.aspnet/12.web-api/10.api-documentation-generation",{"title":1335,"path":1336,"stem":1337},"Health Checks та моніторинг API","/csharp/aspnet/web-api/health-checks-monitoring","01.csharp/11.aspnet/12.web-api/11.health-checks-monitoring",{"title":1339,"path":1340,"stem":1341},"Підсумковий проєкт - Production-Ready REST API","/csharp/aspnet/web-api/web-api-project","01.csharp/11.aspnet/12.web-api/12.web-api-project",{"title":1343,"path":1344,"stem":1345},"План курсу: ASP.NET Core Web API (Controllers)","/csharp/aspnet/web-api/plan","01.csharp/11.aspnet/12.web-api/plan",{"title":1347,"icon":1348,"path":1349,"stem":1350,"children":1351,"page":59},"Desktop UI","i-lucide-app-window","/csharp/desktop-ui","01.csharp/12.desktop-ui",[1352,1356,1360,1364,1368,1372,1376,1380,1384,1388,1392,1396,1400,1404,1408,1412,1416,1420,1424,1428,1432,1436,1440,1444,1448,1452,1456,1460,1464,1468,1472,1476,1480,1484,1488,1492,1496,1500,1504,1508,1512,1516,1520,1524,1528,1532,1536,1540,1544,1548,1552,1556,1560,1564,1568,1572,1576,1580,1584,1588,1592,1596,1600,1604,1608,1612,1616,1620,1624,1628,1632],{"title":1353,"path":1354,"stem":1355},"Що таке десктопна розробка?","/csharp/desktop-ui/what-is-desktop-dev","01.csharp/12.desktop-ui/01.what-is-desktop-dev",{"title":1357,"path":1358,"stem":1359},"Архітектура WPF — як влаштований графічний інтерфейс","/csharp/desktop-ui/wpf-architecture","01.csharp/12.desktop-ui/02.wpf-architecture",{"title":1361,"path":1362,"stem":1363},"Перший WPF-проєкт — від нуля до вікна","/csharp/desktop-ui/first-wpf-app","01.csharp/12.desktop-ui/03.first-wpf-app",{"title":1365,"path":1366,"stem":1367},"Перший Avalonia-проєкт: WPF для всіх платформ","/csharp/desktop-ui/03a.first-avalonia-app","01.csharp/12.desktop-ui/03a.first-avalonia-app",{"title":1369,"path":1370,"stem":1371},"XAML: декларативний інтерфейс","/csharp/desktop-ui/xaml-basics","01.csharp/12.desktop-ui/04.xaml-basics",{"title":1373,"path":1374,"stem":1375},"Fluent UI у WPF — сучасний дизайн Windows 11","/csharp/desktop-ui/04a.wpf-fluent-ui","01.csharp/12.desktop-ui/04a.wpf-fluent-ui",{"title":1377,"path":1378,"stem":1379},"WPF UI — сучасна бібліотека Fluent контролів","/csharp/desktop-ui/04b.wpf-ui-library","01.csharp/12.desktop-ui/04b.wpf-ui-library",{"title":1381,"path":1382,"stem":1383},"HandyControl — велика бібліотека UI контролів для WPF","/csharp/desktop-ui/04c.handycontrol-library","01.csharp/12.desktop-ui/04c.handycontrol-library",{"title":1385,"path":1386,"stem":1387},"Простори імен та ресурси XAML","/csharp/desktop-ui/xaml-namespaces-resources","01.csharp/12.desktop-ui/05.xaml-namespaces-resources",{"title":1389,"path":1390,"stem":1391},"XAML в Avalonia: ключові відмінності від WPF","/csharp/desktop-ui/05a.avalonia-xaml-differences","01.csharp/12.desktop-ui/05a.avalonia-xaml-differences",{"title":1393,"path":1394,"stem":1395},"Розширення розмітки XAML (Markup Extensions)","/csharp/desktop-ui/xaml-markup-extensions","01.csharp/12.desktop-ui/06.xaml-markup-extensions",{"title":1397,"path":1398,"stem":1399},"Панелі Layout: StackPanel, WrapPanel, DockPanel","/csharp/desktop-ui/layout-panels-part1","01.csharp/12.desktop-ui/07.layout-panels-part1",{"title":1401,"path":1402,"stem":1403},"Grid, Canvas, UniformGrid","/csharp/desktop-ui/layout-panels-part2","01.csharp/12.desktop-ui/07.layout-panels-part2",{"title":1405,"path":1406,"stem":1407},"Просунуті техніки Layout","/csharp/desktop-ui/layout-advanced","01.csharp/12.desktop-ui/08.layout-advanced",{"title":1409,"path":1410,"stem":1411},"Адаптивний Layout та найкращі практики","/csharp/desktop-ui/layout-responsive","01.csharp/12.desktop-ui/09.layout-responsive",{"title":1413,"path":1414,"stem":1415},"Layout в Avalonia: відмінності та нові можливості","/csharp/desktop-ui/09a.layout-avalonia","01.csharp/12.desktop-ui/09a.layout-avalonia",{"title":1417,"path":1418,"stem":1419},"Button, Image, ProgressBar та інші базові контроли","/csharp/desktop-ui/basic-controls","01.csharp/12.desktop-ui/10.basic-controls",{"title":1421,"path":1422,"stem":1423},"Контроли в Avalonia: відмінності від WPF","/csharp/desktop-ui/10a.controls-avalonia","01.csharp/12.desktop-ui/10a.controls-avalonia",{"title":1425,"path":1426,"stem":1427},"Текстові контроли — TextBlock, TextBox, RichTextBox","/csharp/desktop-ui/text-controls","01.csharp/12.desktop-ui/11.text-controls",{"title":1429,"path":1430,"stem":1431},"Контроли вибору — CheckBox, RadioButton, ComboBox, ListBox, DatePicker","/csharp/desktop-ui/selection-controls","01.csharp/12.desktop-ui/12.selection-controls",{"title":1433,"path":1434,"stem":1435},"Content Model — GroupBox, Expander, TabControl, StatusBar","/csharp/desktop-ui/content-controls","01.csharp/12.desktop-ui/13.content-controls",{"title":1437,"path":1438,"stem":1439},"UI/UX принципи десктопних застосунків","/csharp/desktop-ui/13a.ui-ux-principles","01.csharp/12.desktop-ui/13a.ui-ux-principles",{"title":1441,"path":1442,"stem":1443},"Dependency Properties — Концепція та Value Resolution","/csharp/desktop-ui/dependency-properties-part1","01.csharp/12.desktop-ui/14.dependency-properties-part1",{"title":1445,"path":1446,"stem":1447},"Avalonia Property System — StyledProperty та DirectProperty","/csharp/desktop-ui/14a.avalonia-property-system","01.csharp/12.desktop-ui/14a.avalonia-property-system",{"title":1449,"path":1450,"stem":1451},"Attached Properties — Властивості без меж","/csharp/desktop-ui/attached-properties","01.csharp/12.desktop-ui/15.attached-properties",{"title":1453,"path":1454,"stem":1455},"Routed Events — Маршрутизація подій у WPF","/csharp/desktop-ui/routed-events","01.csharp/12.desktop-ui/16.routed-events",{"title":1457,"path":1458,"stem":1459},"Data Binding — Від Code-Behind до Декларативності","/csharp/desktop-ui/data-binding-basics-part1","01.csharp/12.desktop-ui/17.data-binding-basics-part1",{"title":1461,"path":1462,"stem":1463},"INotifyPropertyChanged — Живе оновлення UI","/csharp/desktop-ui/data-binding-basics-part2","01.csharp/12.desktop-ui/17.data-binding-basics-part2",{"title":1465,"path":1466,"stem":1467},"Compiled Bindings в Avalonia — Безпека на етапі компіляції","/csharp/desktop-ui/17a.avalonia-compiled-bindings","01.csharp/12.desktop-ui/17a.avalonia-compiled-bindings",{"title":1469,"path":1470,"stem":1471},"Просунутий Data Binding — ElementName, RelativeSource, MultiBinding","/csharp/desktop-ui/data-binding-advanced","01.csharp/12.desktop-ui/18.data-binding-advanced",{"title":1473,"path":1474,"stem":1475},"Value Converters — Перетворення типів даних у Data Binding","/csharp/desktop-ui/value-converters","01.csharp/12.desktop-ui/19.value-converters",{"title":1477,"path":1478,"stem":1479},"Data Templates — Візуалізація об'єктів у WPF","/csharp/desktop-ui/data-templates","01.csharp/12.desktop-ui/20.data-templates",{"title":1481,"path":1482,"stem":1483},"Collections Binding Part 1 — ObservableCollection та ItemsControl","/csharp/desktop-ui/collections-binding-part1","01.csharp/12.desktop-ui/21.collections-binding-part1",{"title":1485,"path":1486,"stem":1487},"Collections Binding Part 2 — ICollectionView, Filtering, Sorting та Virtualization","/csharp/desktop-ui/collections-binding-part2","01.csharp/12.desktop-ui/21.collections-binding-part2",{"title":1489,"path":1490,"stem":1491},"MVVM Pattern — Від Spaghetti Code до архітектури","/csharp/desktop-ui/mvvm-pattern","01.csharp/12.desktop-ui/22.mvvm-pattern",{"title":1493,"path":1494,"stem":1495},"ViewModel Implementation — Від BaseViewModel до валідації","/csharp/desktop-ui/viewmodel-implementation","01.csharp/12.desktop-ui/23.viewmodel-implementation",{"title":1497,"path":1498,"stem":1499},"Commands — Від event handlers до декларативних команд","/csharp/desktop-ui/commands","01.csharp/12.desktop-ui/24.commands",{"title":1501,"path":1502,"stem":1503},"MVVM Toolkit — MVVM без boilerplate через Source Generators","/csharp/desktop-ui/mvvm-toolkit","01.csharp/12.desktop-ui/25.mvvm-toolkit",{"title":1505,"path":1506,"stem":1507},"Messenger Pattern — Комунікація між ViewModel без прямих посилань","/csharp/desktop-ui/messenger-pattern","01.csharp/12.desktop-ui/26.messenger-pattern",{"title":1509,"path":1510,"stem":1511},"Стилі WPF — CSS для десктопу","/csharp/desktop-ui/styles-basics","01.csharp/12.desktop-ui/27.styles-basics",{"title":1513,"path":1514,"stem":1515},"CSS-like стилі Avalonia","/csharp/desktop-ui/27a.avalonia-css-styling","01.csharp/12.desktop-ui/27a.avalonia-css-styling",{"title":1517,"path":1518,"stem":1519},"Control Templates — Частина 1. Концепція та TemplateBinding","/csharp/desktop-ui/control-templates-part1","01.csharp/12.desktop-ui/28.control-templates-part1",{"title":1521,"path":1522,"stem":1523},"Control Templates — Частина 2. Named Parts та ContentPresenter","/csharp/desktop-ui/control-templates-part2","01.csharp/12.desktop-ui/28.control-templates-part2",{"title":1525,"path":1526,"stem":1527},"Control Themes в Avalonia — нова ера стилізації","/csharp/desktop-ui/28a.avalonia-control-themes","01.csharp/12.desktop-ui/28a.avalonia-control-themes",{"title":1529,"path":1530,"stem":1531},"Triggers та Visual State Manager у WPF","/csharp/desktop-ui/triggers-visual-states","01.csharp/12.desktop-ui/29.triggers-visual-states",{"title":1533,"path":1534,"stem":1535},"Pseudo-classes в Avalonia — замість WPF Triggers","/csharp/desktop-ui/29a.avalonia-pseudo-classes","01.csharp/12.desktop-ui/29a.avalonia-pseudo-classes",{"title":1537,"path":1538,"stem":1539},"Теми та ресурсні словники у WPF","/csharp/desktop-ui/resources-themes","01.csharp/12.desktop-ui/30.resources-themes",{"title":1541,"path":1542,"stem":1543},"Avalonia Themes — Fluent Design та система тематизації","/csharp/desktop-ui/30a.avalonia-themes-fluent","01.csharp/12.desktop-ui/30a.avalonia-themes-fluent",{"title":1545,"path":1546,"stem":1547},"Контроли колекцій — глибоке занурення","/csharp/desktop-ui/collection-controls","01.csharp/12.desktop-ui/31.collection-controls",{"title":1549,"path":1550,"stem":1551},"DataGrid — колонки та базове відображення","/csharp/desktop-ui/datagrid-part1","01.csharp/12.desktop-ui/32.datagrid-part1",{"title":1553,"path":1554,"stem":1555},"DataGrid — сортування, фільтрація, редагування","/csharp/desktop-ui/datagrid-part2","01.csharp/12.desktop-ui/32.datagrid-part2",{"title":1557,"path":1558,"stem":1559},"TreeView та GridView","/csharp/desktop-ui/treeview-listview","01.csharp/12.desktop-ui/33.treeview-listview",{"title":1561,"path":1562,"stem":1563},"Меню, Toolbar, ContextMenu, StatusBar","/csharp/desktop-ui/menus-toolbars","01.csharp/12.desktop-ui/34.menus-toolbars",{"title":1565,"path":1566,"stem":1567},"Навігація та керування вікнами. Частина 1: вікна та сторінки","/csharp/desktop-ui/navigation-windows-part1","01.csharp/12.desktop-ui/35.navigation-windows-part1",{"title":1569,"path":1570,"stem":1571},"Навігація та керування вікнами. Частина 2: MVVM-навігація","/csharp/desktop-ui/navigation-windows-part2","01.csharp/12.desktop-ui/35.navigation-windows-part2",{"title":1573,"path":1574,"stem":1575},"Avalonia — Навігація та діалоги","/csharp/desktop-ui/35a.avalonia-navigation-dialogs","01.csharp/12.desktop-ui/35a.avalonia-navigation-dialogs",{"title":1577,"path":1578,"stem":1579},"Діалоги та File Pickers у WPF","/csharp/desktop-ui/dialogs-file-pickers","01.csharp/12.desktop-ui/36.dialogs-file-pickers",{"title":1581,"path":1582,"stem":1583},"UserControl: компонентний підхід у WPF","/csharp/desktop-ui/user-controls","01.csharp/12.desktop-ui/37.user-controls",{"title":1585,"path":1586,"stem":1587},"Custom Controls: Lookless Controls у WPF","/csharp/desktop-ui/custom-controls","01.csharp/12.desktop-ui/38.custom-controls",{"title":1589,"path":1590,"stem":1591},"Avalonia TemplatedControl — Lookless Controls","/csharp/desktop-ui/38a.avalonia-templated-controls","01.csharp/12.desktop-ui/38a.avalonia-templated-controls",{"title":1593,"path":1594,"stem":1595},"Анімації у WPF: Storyboard та Easing Functions","/csharp/desktop-ui/animations-transitions","01.csharp/12.desktop-ui/39.animations-transitions",{"title":1597,"path":1598,"stem":1599},"Анімації в Avalonia","/csharp/desktop-ui/39a.avalonia-animations","01.csharp/12.desktop-ui/39a.avalonia-animations",{"title":1601,"path":1602,"stem":1603},"2D Графіка та Мультимедіа у WPF","/csharp/desktop-ui/media-graphics","01.csharp/12.desktop-ui/40.media-graphics",{"title":1605,"path":1606,"stem":1607},"Dependency Injection у WPF та Avalonia","/csharp/desktop-ui/di-integration","01.csharp/12.desktop-ui/41.di-integration",{"title":1609,"path":1610,"stem":1611},"SQLite та EF Core у десктопних додатках","/csharp/desktop-ui/data-persistence-part1","01.csharp/12.desktop-ui/42.data-persistence-part1",{"title":1613,"path":1614,"stem":1615},"Repository Pattern та Unit of Work","/csharp/desktop-ui/data-persistence-part2","01.csharp/12.desktop-ui/43.data-persistence-part2",{"title":1617,"path":1618,"stem":1619},"Тестування ViewModels","/csharp/desktop-ui/viewmodel-testing","01.csharp/12.desktop-ui/44.viewmodel-testing",{"title":1621,"path":1622,"stem":1623},"Avalonia Headless Testing — тестування UI без вікон","/csharp/desktop-ui/44a.avalonia-headless-testing","01.csharp/12.desktop-ui/44a.avalonia-headless-testing",{"title":1625,"path":1626,"stem":1627},"Кросплатформна розробка з Avalonia","/csharp/desktop-ui/avalonia-cross-platform","01.csharp/12.desktop-ui/45.avalonia-cross-platform",{"title":1629,"path":1630,"stem":1631},"Пакування та розгортання Avalonia додатків","/csharp/desktop-ui/avalonia-packaging-deployment","01.csharp/12.desktop-ui/46.avalonia-packaging-deployment",{"title":1633,"path":1634,"stem":1635},"Розгортання WPF застосунків","/csharp/desktop-ui/wpf-packaging-deployment","01.csharp/12.desktop-ui/47.wpf-packaging-deployment",{"title":1637,"path":1638,"stem":1639},"C# & .NET: The Ultimate Roadmap","/csharp/roadmap","01.csharp/roadmap",{"title":1641,"icon":1642,"path":1643,"stem":1644,"children":1645,"page":59},"C++","i-devicon-cplusplus","/cpp","02.cpp",[1646,1650,1654,1658,1662,1666,1670,1674,1678,1681,1685,1689,1693,1697,1701,1705,1709,1713,1717,1721,1725,1729,1733,1737,1741,1745,1749,1753,1757,1761],{"title":1647,"path":1648,"stem":1649},"Вступ у програмування та алгоритми","/cpp/intro-algorithms","02.cpp/01.intro-algorithms",{"title":1651,"path":1652,"stem":1653},"Code Style: угоди про оформлення коду","/cpp/code-style","02.cpp/02.code-style",{"title":1655,"path":1656,"stem":1657},"Середовище розробки та перший 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типу void","/cpp/void-pointers","02.cpp/20.void-pointers",{"title":1726,"path":1727,"stem":1728},"Вказівники на вказівники","/cpp/pointers-to-pointers","02.cpp/21.pointers-to-pointers",{"title":1730,"path":1731,"stem":1732},"Оператор доступу до членів через вказівник (->)","/cpp/member-access-operator","02.cpp/22.member-access-operator",{"title":1734,"path":1735,"stem":1736},"Цикл for-each (Range-based for)","/cpp/foreach-loop","02.cpp/23.foreach-loop",{"title":1738,"path":1739,"stem":1740},"Вказівники на функції","/cpp/function-pointers","02.cpp/24.function-pointers",{"title":1742,"path":1743,"stem":1744},"Лямбда-вирази","/cpp/lambdas","02.cpp/25.lambdas",{"title":1746,"path":1747,"stem":1748},"Лямбда-захоплення","/cpp/lambda-captures","02.cpp/26.lambda-captures",{"title":1750,"path":1751,"stem":1752},"Еліпсис","/cpp/ellipsis","02.cpp/27.ellipsis",{"title":1754,"path":1755,"stem":1756},"Аргументи командного рядка","/cpp/command-line-arguments","02.cpp/28.command-line-arguments",{"title":1758,"path":1759,"stem":1760},"Перерахування (enum)","/cpp/enum","02.cpp/29.enum",{"title":1762,"path":1763,"stem":1764},"План навчання: Курс C++ — Продовження (Статті 29–60+)","/cpp/curriculum-plan","02.cpp/curriculum-plan",{"title":1766,"icon":1767,"path":1768,"stem":1769,"children":1770,"page":59},"JavaScript","i-devicon-javascript","/javascript","03.javascript",[1771,1797,1851,1873,2177,2215],{"title":1772,"icon":1773,"path":1774,"stem":1775,"children":1776,"page":59},"Events","i-lucide-mouse-pointer-click","/javascript/events","03.javascript/01.events",[1777,1781,1785,1789,1793],{"title":1778,"path":1779,"stem":1780},"Вступ до подій браузера","/javascript/events/intro","03.javascript/01.events/01.intro",{"title":1782,"path":1783,"stem":1784},"Бульбашковий механізм (Bubbling) та занурення (Capturing)","/javascript/events/bubbling-capturing","03.javascript/01.events/02.bubbling-capturing",{"title":1786,"path":1787,"stem":1788},"Делегування подій (Event Delegation)","/javascript/events/delegate-events","03.javascript/01.events/03.delegate-events",{"title":1790,"path":1791,"stem":1792},"Типові дії браузера та preventDefault()","/javascript/events/prevent-default","03.javascript/01.events/04.prevent-default",{"title":1794,"path":1795,"stem":1796},"Запуск користувацьких подій (Custom Events)","/javascript/events/custom-events","03.javascript/01.events/05.custom-events",{"title":1798,"icon":1799,"path":1800,"stem":1801,"children":1802,"page":59},"Network","i-lucide-globe","/javascript/network","03.javascript/02.network",[1803,1807,1811,1815,1819,1823,1827,1831,1835,1839,1843,1847],{"title":1804,"path":1805,"stem":1806},"Fetch API - Сучасний підхід до HTTP-запитів","/javascript/network/01-fetch-api","03.javascript/02.network/01-fetch-api",{"title":1808,"path":1809,"stem":1810},"FormData - Робота з формами та файлами","/javascript/network/02-formdata","03.javascript/02.network/02-formdata",{"title":1812,"path":1813,"stem":1814},"Відстеження прогресу завантаження","/javascript/network/03-download-progress","03.javascript/02.network/03-download-progress",{"title":1816,"path":1817,"stem":1818},"Переривання fetch-запитів","/javascript/network/04-abort-requests","03.javascript/02.network/04-abort-requests",{"title":1820,"path":1821,"stem":1822},"CORS - Запити між різними джерелами","/javascript/network/05-cors","03.javascript/02.network/05-cors",{"title":1824,"path":1825,"stem":1826},"Fetch API - Повний довідник опцій","/javascript/network/06-fetch-options","03.javascript/02.network/06-fetch-options",{"title":1828,"path":1829,"stem":1830},"URL Objects - Робота з посиланнями","/javascript/network/07-url-objects","03.javascript/02.network/07-url-objects",{"title":1832,"path":1833,"stem":1834},"XMLHttpRequest - AJAX та низькорівневі запити","/javascript/network/08-xmlhttprequest","03.javascript/02.network/08-xmlhttprequest",{"title":1836,"path":1837,"stem":1838},"Відновлюване завантаження файлів","/javascript/network/09-resumable-upload","03.javascript/02.network/09-resumable-upload",{"title":1840,"path":1841,"stem":1842},"Cookies, document.cookie та світ після \"Cookiepocalypse\"","/javascript/network/10-cookies","03.javascript/02.network/10-cookies",{"title":1844,"path":1845,"stem":1846},"js-cookie: Керування Cookies без Болю","/javascript/network/11-js-cookie","03.javascript/02.network/11-js-cookie",{"title":1848,"path":1849,"stem":1850},"Axios: Потужний HTTP-клієнт для JavaScript","/javascript/network/12-axios","03.javascript/02.network/12-axios",{"title":1852,"icon":1853,"path":1854,"stem":1855,"children":1856,"page":59},"Bom","i-lucide-monitor","/javascript/bom","03.javascript/03.bom",[1857,1861,1865,1869],{"title":1858,"path":1859,"stem":1860},"LocalStorage, SessionStorage та patterns збереження даних","/javascript/bom/01-localstorage","03.javascript/03.bom/01-localstorage",{"title":1862,"path":1863,"stem":1864},"Location Object - Керування адресою сторінки","/javascript/bom/02-location-object","03.javascript/03.bom/02-location-object",{"title":1866,"path":1867,"stem":1868},"History API - Керування історією браузера","/javascript/bom/03-history-api","03.javascript/03.bom/03-history-api",{"title":1870,"path":1871,"stem":1872},"Navigator Object - Ідентифікація та Можливості Пристрою","/javascript/bom/04-navigator-object","03.javascript/03.bom/04-navigator-object",{"title":1874,"icon":1875,"path":1876,"stem":1877,"children":1878},"React","i-devicon-react","/javascript/react","03.javascript/04.react/index",[1879,1880,1884,1888,1892,1896,1959,1994,2146],{"title":1874,"path":1876,"stem":1877},{"title":1881,"path":1882,"stem":1883},"Робота з Формами в React","/javascript/react/react-forms","03.javascript/04.react/01.react-forms",{"title":1885,"path":1886,"stem":1887},"React Hook Form: Професійна Робота з Формами","/javascript/react/react-hook-form","03.javascript/04.react/02.react-hook-form",{"title":1889,"path":1890,"stem":1891},"React Hook Form: Глибоке Розуміння Архітектури та Оптимізації","/javascript/react/react-hook-form-new","03.javascript/04.react/02.react-hook-form-new",{"title":1893,"path":1894,"stem":1895},"Axios та React: Професійна Архітектура Запитів","/javascript/react/data-fetching-axios","03.javascript/04.react/03.data-fetching-axios",{"title":1897,"icon":132,"path":1898,"stem":1899,"children":1900},"Tanstack Query","/javascript/react/tanstack-query","03.javascript/04.react/04.tanstack-query/index",[1901,1903,1907,1911,1915,1919,1923,1927,1931,1935,1939,1943,1947,1951,1955],{"title":1902,"path":1898,"stem":1899},"TanStack Query: Майстерність Керування Станом Сервера",{"title":1904,"path":1905,"stem":1906},"Парадигма Server State: Чому useEffect недостатньо","/javascript/react/tanstack-query/server-state-paradigm","03.javascript/04.react/04.tanstack-query/01.server-state-paradigm",{"title":1908,"path":1909,"stem":1910},"Встановлення та Налаштування: Фундамент","/javascript/react/tanstack-query/installation-and-devtools","03.javascript/04.react/04.tanstack-query/02.installation-and-devtools",{"title":1912,"path":1913,"stem":1914},"Основи Запитів та Магія Ключів","/javascript/react/tanstack-query/query-basics-and-keys","03.javascript/04.react/04.tanstack-query/03.query-basics-and-keys",{"title":1916,"path":1917,"stem":1918},"Синхронізація Даних: Життєвий Цикл Запиту","/javascript/react/tanstack-query/data-synchronization","03.javascript/04.react/04.tanstack-query/04.data-synchronization",{"title":1920,"path":1921,"stem":1922},"Мутації та Інвалідація: Зміна Даних","/javascript/react/tanstack-query/mutations-and-invalidation","03.javascript/04.react/04.tanstack-query/05.mutations-and-invalidation",{"title":1924,"path":1925,"stem":1926},"Оптимістичні Оновлення: Швидше за Світло","/javascript/react/tanstack-query/optimistic-updates","03.javascript/04.react/04.tanstack-query/06.optimistic-updates",{"title":1928,"path":1929,"stem":1930},"Пагінація та Infinite Scroll","/javascript/react/tanstack-query/pagination-and-load-more","03.javascript/04.react/04.tanstack-query/07.pagination-and-load-more",{"title":1932,"path":1933,"stem":1934},"Просунуті Патерни та Оптимізація","/javascript/react/tanstack-query/advanced-patterns","03.javascript/04.react/04.tanstack-query/08.advanced-patterns",{"title":1936,"path":1937,"stem":1938},"Архітектура та Best Practices","/javascript/react/tanstack-query/architecture-and-best-practices","03.javascript/04.react/04.tanstack-query/09.architecture-and-best-practices",{"title":1940,"path":1941,"stem":1942},"Server-Side Rendering (SSR) та Гідратація","/javascript/react/tanstack-query/server-side-rendering","03.javascript/04.react/04.tanstack-query/10.server-side-rendering",{"title":1944,"path":1945,"stem":1946},"Стратегії Тестування","/javascript/react/tanstack-query/testing-strategies","03.javascript/04.react/04.tanstack-query/11.testing-strategies",{"title":1948,"path":1949,"stem":1950},"Аутентифікація та Обробка Помилок","/javascript/react/tanstack-query/authentication-and-errors","03.javascript/04.react/04.tanstack-query/12.authentication-and-errors",{"title":1952,"path":1953,"stem":1954},"React Suspense та Майбутнє","/javascript/react/tanstack-query/react-suspense","03.javascript/04.react/04.tanstack-query/13.react-suspense",{"title":1956,"path":1957,"stem":1958},"Глибоке Занурення в Продуктивність","/javascript/react/tanstack-query/performance-deep-dive","03.javascript/04.react/04.tanstack-query/14.performance-deep-dive",{"title":1960,"icon":1875,"path":1961,"stem":1962,"children":1963},"React Router","/javascript/react/react-router","03.javascript/04.react/05.react-router/index",[1964,1966,1970,1974,1978,1982,1986,1990],{"title":1965,"path":1961,"stem":1962},"React Router: Навігаційна система сучасного вебу",{"title":1967,"path":1968,"stem":1969},"Налаштування та Базовий Роутинг","/javascript/react/react-router/setup-and-basic-routing","03.javascript/04.react/05.react-router/01.setup-and-basic-routing",{"title":1971,"path":1972,"stem":1973},"Динамічна Навігація","/javascript/react/react-router/navigation-and-links","03.javascript/04.react/05.react-router/02.navigation-and-links",{"title":1975,"path":1976,"stem":1977},"Вкладені Маршрути та Макети","/javascript/react/react-router/nested-routes-and-layouts","03.javascript/04.react/05.react-router/03.nested-routes-and-layouts",{"title":1979,"path":1980,"stem":1981},"Динамічні Маршрути та Параметри","/javascript/react/react-router/dynamic-routing","03.javascript/04.react/05.react-router/04.dynamic-routing",{"title":1983,"path":1984,"stem":1985},"Data APIs: Loaders та Actions","/javascript/react/react-router/data-loading","03.javascript/04.react/05.react-router/05.data-loading",{"title":1987,"path":1988,"stem":1989},"Просунуті Патерни","/javascript/react/react-router/advanced-patterns","03.javascript/04.react/05.react-router/06.advanced-patterns",{"title":1991,"path":1992,"stem":1993},"Legacy Routing: Компонентний підхід","/javascript/react/react-router/legacy-routing","03.javascript/04.react/05.react-router/07.legacy-routing",{"title":1995,"icon":132,"path":1996,"stem":1997,"children":1998},"Redux","/javascript/react/redux","03.javascript/04.react/06.redux/index",[1999,2001,2017,2046,2055,2076,2092,2121],{"title":2000,"path":1996,"stem":1997},"Redux: Еволюція управління станом",{"title":14,"icon":15,"path":2002,"stem":2003,"children":2004,"page":59},"/javascript/react/redux/fundamentals","03.javascript/04.react/06.redux/01.fundamentals",[2005,2009,2013],{"title":2006,"path":2007,"stem":2008},"Вступ до State Management","/javascript/react/redux/fundamentals/intro-state-management","03.javascript/04.react/06.redux/01.fundamentals/01.intro-state-management",{"title":2010,"path":2011,"stem":2012},"Філософія Redux та Три Принципи","/javascript/react/redux/fundamentals/redux-philosophy","03.javascript/04.react/06.redux/01.fundamentals/02.redux-philosophy",{"title":2014,"path":2015,"stem":2016},"Чисті функції та Іммутабельність","/javascript/react/redux/fundamentals/pure-functions-immutability","03.javascript/04.react/06.redux/01.fundamentals/03.pure-functions-immutability",{"title":2018,"icon":132,"path":2019,"stem":2020,"children":2021,"page":59},"Classic Redux","/javascript/react/redux/classic-redux","03.javascript/04.react/06.redux/02.classic-redux",[2022,2026,2030,2034,2038,2042],{"title":2023,"path":2024,"stem":2025},"Створення Store (Classic Redux)","/javascript/react/redux/classic-redux/store-setup","03.javascript/04.react/06.redux/02.classic-redux/01.store-setup",{"title":2027,"path":2028,"stem":2029},"Actions, Constants та Action Creators","/javascript/react/redux/classic-redux/actions-constants","03.javascript/04.react/06.redux/02.classic-redux/02.actions-constants",{"title":2031,"path":2032,"stem":2033},"Логіка Reducers","/javascript/react/redux/classic-redux/reducers","03.javascript/04.react/06.redux/02.classic-redux/03.reducers",{"title":2035,"path":2036,"stem":2037},"Комбінування Reducers (Root Reducer)","/javascript/react/redux/classic-redux/data-flow","03.javascript/04.react/06.redux/02.classic-redux/04.data-flow",{"title":2039,"path":2040,"stem":2041},"Підключення до React (React-Redux)","/javascript/react/redux/classic-redux/react-redux-connection","03.javascript/04.react/06.redux/02.classic-redux/05.react-redux-connection",{"title":2043,"path":2044,"stem":2045},"Middleware та Асинхронність (Redux Thunk)","/javascript/react/redux/classic-redux/middleware-thunk","03.javascript/04.react/06.redux/02.classic-redux/06.middleware-thunk",{"title":2047,"icon":132,"path":2048,"stem":2049,"children":2050,"page":59},"Transition To Rtk","/javascript/react/redux/transition-to-rtk","03.javascript/04.react/06.redux/03.transition-to-rtk",[2051],{"title":2052,"path":2053,"stem":2054},"Проблеми класичного Redux","/javascript/react/redux/transition-to-rtk/problems-with-classic","03.javascript/04.react/06.redux/03.transition-to-rtk/01.problems-with-classic",{"title":2056,"icon":132,"path":2057,"stem":2058,"children":2059,"page":59},"Redux Toolkit","/javascript/react/redux/redux-toolkit","03.javascript/04.react/06.redux/04.redux-toolkit",[2060,2064,2068,2072],{"title":2061,"path":2062,"stem":2063},"Налаштування Store з 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дружити","/java/pr2/impedance-mismatch","04.java/pr2/09.impedance-mismatch",{"title":2285,"path":2286,"stem":2287},"JDBC: Перший контакт із базою даних","/java/pr2/jdbc-fundamentals","04.java/pr2/10.jdbc-fundamentals",{"title":2289,"path":2290,"stem":2291},"Якість коду: Spotless, SpotBugs та SonarQube","/java/pr2/10a.code-quality","04.java/pr2/10a.code-quality",{"title":2293,"path":2294,"stem":2295},"Connection Pool: Патерн Object Pool для JDBC-з'єднань","/java/pr2/connection-pool","04.java/pr2/11.connection-pool",{"title":2297,"path":2298,"stem":2299},"Row Data Gateway: Об'єкт як обгортка рядка таблиці","/java/pr2/row-data-gateway","04.java/pr2/12.row-data-gateway",{"title":2301,"path":2302,"stem":2303},"Table Data Gateway: Фасад таблиці як архітектурний відступ","/java/pr2/table-data-gateway","04.java/pr2/13.table-data-gateway",{"title":2305,"path":2306,"stem":2307},"Repository + Data Mapper: Правильна шарова архітектура з JDBC","/java/pr2/repository-data-mapper","04.java/pr2/14.repository-data-mapper",{"title":2309,"path":2310,"stem":2311},"Identity Map: Кешування сутностей у рамках сесії","/java/pr2/identity-map","04.java/pr2/15.identity-map",{"title":2313,"path":2314,"stem":2315},"Unit of Work: Відстеження змін і координація JDBC-транзакцій","/java/pr2/unit-of-work","04.java/pr2/16.unit-of-work",{"title":2317,"path":2318,"stem":2319},"Strategy: Замінювані SQL-стратегії для підтримки різних СУБД","/java/pr2/strategy-sql","04.java/pr2/17.strategy-sql",{"title":2321,"path":2322,"stem":2323},"Proxy: Lazy Loading для One-To-Many колекцій","/java/pr2/proxy-lazy-loading","04.java/pr2/18.proxy-lazy-loading",{"title":2325,"path":2326,"stem":2327},"Generic Repository через Java Reflection: анотації та динамічний SQL","/java/pr2/generic-repository-reflection","04.java/pr2/19.generic-repository-reflection",{"title":2329,"path":2330,"stem":2331},"Specification Pattern: Композиція бізнес-правил для складних 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БД","/databases/intro/logical-schema","06.databases/01.intro/04.logical-schema",{"title":2381,"path":2382,"stem":2383},"Класифікація таблиць","/databases/intro/table-classification","06.databases/01.intro/05.table-classification",{"title":2385,"path":2386,"stem":2387},"PlantUML для баз даних","/databases/intro/plantuml-diagrams","06.databases/01.intro/06.plantuml-diagrams",{"title":2389,"icon":2354,"path":2390,"stem":2391,"children":2392,"page":59},"MS SQL Server Start","/databases/ms-sql-server-start","06.databases/02.ms-sql-server-start",[2393,2397,2403,2407],{"title":2394,"path":2395,"stem":2396},"Типи даних у MS SQL Server","/databases/ms-sql-server-start/data-types","06.databases/02.ms-sql-server-start/01.data-types",{"title":2398,"path":2399,"stem":2400,"children":2401},"Індекси у MS SQL 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TABLE)","/databases/sql/ddl-create-table","06.databases/03.sql/01.ddl-create-table",{"title":2425,"path":2426,"stem":2427},"DDL - Зміна та видалення таблиць (ALTER, DROP)","/databases/sql/ddl-alter-drop-table","06.databases/03.sql/02.ddl-alter-drop-table",{"title":2429,"path":2430,"stem":2431},"SELECT запити - Основи","/databases/sql/select-queries-fundamentals","06.databases/03.sql/03.select-queries-fundamentals",{"title":2433,"path":2434,"stem":2435},"SELECT запити - Розширені можливості","/databases/sql/select-queries-advanced","06.databases/03.sql/04.select-queries-advanced",{"title":2437,"path":2438,"stem":2439},"INSERT запити - Додавання даних","/databases/sql/insert-queries","06.databases/03.sql/05.insert-queries",{"title":2441,"path":2442,"stem":2443},"UPDATE та DELETE запити","/databases/sql/update-delete-queries","06.databases/03.sql/06.update-delete-queries",{"title":2445,"path":2446,"stem":2447},"Транзакції в SQL","/databases/sql/transactions","06.databases/03.sql/07.transactions",{"title":2449,"icon":2354,"path":2450,"stem":2451,"children":2452,"page":59},"Multi Table Databases","/databases/multi-table-databases","06.databases/04.multi-table-databases",[2453,2457,2461,2465,2469,2473],{"title":2454,"path":2455,"stem":2456},"Зв'язки та нормалізація БД","/databases/multi-table-databases/relationships-and-normalization","06.databases/04.multi-table-databases/00.relationships-and-normalization",{"title":2458,"path":2459,"stem":2460},"INNER JOIN - З'єднання таблиць","/databases/multi-table-databases/inner-join","06.databases/04.multi-table-databases/01.inner-join",{"title":2462,"path":2463,"stem":2464},"OUTER JOINs - LEFT, RIGHT, FULL","/databases/multi-table-databases/outer-joins","06.databases/04.multi-table-databases/02.outer-joins",{"title":2466,"path":2467,"stem":2468},"CROSS та SELF JOINs","/databases/multi-table-databases/cross-self-joins","06.databases/04.multi-table-databases/03.cross-self-joins",{"title":2470,"path":2471,"stem":2472},"Підзапити (Subqueries)","/databases/multi-table-databases/subqueries","06.databases/04.multi-table-databases/04.subqueries",{"title":2474,"path":2475,"stem":2476},"Агрегації з JOIN","/databases/multi-table-databases/aggregations-with-joins","06.databases/04.multi-table-databases/05.aggregations-with-joins",{"title":2478,"icon":2479,"path":2480,"stem":2481,"children":2482,"page":59},"Aggregate Functions","i-lucide-calculator","/databases/aggregate-functions","06.databases/05.aggregate-functions",[2483,2487,2491],{"title":2484,"path":2485,"stem":2486},"Функції агрегування в MS SQL Server","/databases/aggregate-functions/introduction-aggregate-functions","06.databases/05.aggregate-functions/01.introduction-aggregate-functions",{"title":2488,"path":2489,"stem":2490},"Групування даних в MS SQL Server","/databases/aggregate-functions/grouping-data","06.databases/05.aggregate-functions/02.grouping-data",{"title":2492,"path":2493,"stem":2494},"Підзапити з агрегатними функціями","/databases/aggregate-functions/subqueries-aggregates","06.databases/05.aggregate-functions/03.subqueries-aggregates",{"title":2496,"icon":2497,"path":2498,"stem":2499,"children":2500,"page":59},"Тригери та зберігаємі процедури","i-lucide-database-zap","/databases/triggers-stored-procedures","06.databases/07.triggers-stored-procedures",[2501,2505,2509,2513,2517,2521,2525],{"title":2502,"path":2503,"stem":2504},"DML-тригери","/databases/triggers-stored-procedures/dml-triggers","06.databases/07.triggers-stored-procedures/01.dml-triggers",{"title":2506,"path":2507,"stem":2508},"DDL-тригери","/databases/triggers-stored-procedures/ddl-triggers","06.databases/07.triggers-stored-procedures/02.ddl-triggers",{"title":2510,"path":2511,"stem":2512},"Transact-SQL 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навіщо?","/tools/docker/docker-what-and-why","07.tools/01.docker/02.docker-what-and-why",{"title":2582,"path":2583,"stem":2584},"Архітектура Docker Engine","/tools/docker/docker-architecture","07.tools/01.docker/03.docker-architecture",{"title":2586,"path":2587,"stem":2588},"Встановлення Docker","/tools/docker/installation","07.tools/01.docker/04.installation",{"title":2590,"path":2591,"stem":2592},"Перший контейнер — docker run","/tools/docker/first-container","07.tools/01.docker/05.first-container",{"title":2594,"path":2595,"stem":2596},"Життєвий цикл контейнера","/tools/docker/container-lifecycle","07.tools/01.docker/06.container-lifecycle",{"title":2598,"path":2599,"stem":2600},"Docker Images — фундаментальні концепції","/tools/docker/docker-images-fundamentals","07.tools/01.docker/07.docker-images-fundamentals",{"title":2602,"path":2603,"stem":2604},"Dockerfile — основи","/tools/docker/dockerfile-basics","07.tools/01.docker/08.dockerfile-basics",{"title":2606,"path":2607,"stem":2608},"Dockerfile — просунуті техніки","/tools/docker/dockerfile-advanced","07.tools/01.docker/09.dockerfile-advanced",{"title":2610,"path":2611,"stem":2612},"Build Context та кешування шарів","/tools/docker/build-context-and-cache","07.tools/01.docker/10.build-context-and-cache",{"title":2614,"path":2615,"stem":2616},"Реєстри Docker-образів","/tools/docker/image-registries","07.tools/01.docker/11.image-registries",{"title":2618,"path":2619,"stem":2620},"Контейнеризація .NET додатків","/tools/docker/dotnet-containerization","07.tools/01.docker/12.dotnet-containerization",{"title":2622,"path":2623,"stem":2624},"Томи та збереження даних","/tools/docker/volumes-and-data","07.tools/01.docker/13.volumes-and-data",{"title":2626,"path":2627,"stem":2628},"Основи мережі в Docker","/tools/docker/networking-basics","07.tools/01.docker/14.networking-basics",{"title":2630,"path":2631,"stem":2632},"Змінні оточення та конфігурація","/tools/docker/environment-and-configuration","07.tools/01.docker/15.environment-and-configuration",{"title":2634,"path":2635,"stem":2636},"Docker Compose — оркестрація контейнерів","/tools/docker/docker-compose-basics","07.tools/01.docker/16.docker-compose-basics",{"title":2638,"path":2639,"stem":2640},"Docker Compose — Multi-Service застосунки","/tools/docker/compose-multi-service","07.tools/01.docker/17.compose-multi-service",{"title":2642,"icon":2643,"path":2644,"stem":2645,"children":2646,"page":59},"Software Engineering","i-lucide-code-2","/software-engineering","09.software-engineering",[2647,2651,2655,2659,2663,2667,2671,2675,2679,2683,2687],{"title":2648,"path":2649,"stem":2650},"1. 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Архітектурні Патерни","/ddd/architectural-patterns","10.ddd/08.architectural-patterns",{"title":2729,"path":2730,"stem":2731},"Глава 9. Патерни Взаємодії","/ddd/interaction-patterns","10.ddd/09.interaction-patterns",{"title":2733,"path":2734,"stem":2735},"Глава 10. Проектні Евристики","/ddd/design-heuristics","10.ddd/10.design-heuristics",{"title":2737,"path":2738,"stem":2739},"Глава 11. Еволюція Проектних Рішень","/ddd/evolution-of-design-decisions","10.ddd/11.evolution-of-design-decisions",{"title":2741,"path":2742,"stem":2743},"Глава 12. EventStorming","/ddd/event-storming","10.ddd/12.event-storming",{"title":2745,"path":2746,"stem":2747},"Глава 13. DDD на Практиці","/ddd/ddd-in-practice","10.ddd/13.ddd-in-practice",{"title":2749,"icon":2750,"path":2751,"stem":2752,"children":2753,"page":59},"Media Streaming","i-lucide-video","/media-streaming","11.media-streaming",[2754,2758,2762,2766,2770,2774,2778],{"title":2755,"path":2756,"stem":2757},"01. 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Частина 2","/html-css/css-layout-grid-advanced","12.html-css/16.css-layout-grid-advanced",{"title":2861,"path":2862,"stem":2863},"Позиціонування в CSS. Z-index. Stacking Context","/html-css/css-positioning","12.html-css/17.css-positioning",{"title":2865,"path":2866,"stem":2867},"CSS Анімації та Переходи","/html-css/css-animations-transitions","12.html-css/18.css-animations-transitions",{"title":2869,"path":2870,"stem":2871},"Адаптивний дизайн. Media Queries. Частина 1","/html-css/css-responsive-media-queries","12.html-css/19.css-responsive-media-queries",{"title":2873,"path":2874,"stem":2875},"Адаптивний дизайн. Частина 2: clamp(), Container Queries, @layer","/html-css/css-responsive-advanced","12.html-css/20.css-responsive-advanced",{"title":2877,"path":2878,"stem":2879},"CSS Custom Properties. Методології. Сучасний CSS","/html-css/css-variables-methodologies","12.html-css/21.css-variables-methodologies",{"title":2881,"path":2882,"stem":2883},"Сучасний CSS 2023–2025: Нові можливості","/html-css/css-modern-features","12.html-css/22.css-modern-features",{"title":2885,"path":2886,"stem":2887},"CSS Nesting, @layer, @scope та @property: нативний препроцесор","/html-css/22a.css-nesting-modern-syntax","12.html-css/22a.css-nesting-modern-syntax",{"title":2889,"path":2890,"stem":2891},"CSS для форм та інтерактивних станів","/html-css/css-forms-interactive-states","12.html-css/23.css-forms-interactive-states",{"title":2893,"path":2894,"stem":2895},"Доступність у CSS (CSS Accessibility)","/html-css/css-accessibility","12.html-css/24.css-accessibility",{"title":2897,"path":2898,"stem":2899},"CSS-функції та сучасні sizing primitives","/html-css/css-functions-sizing","12.html-css/25.css-functions-sizing",{"title":2901,"path":2902,"stem":2903},"Rendering Pipeline і CSS Performance","/html-css/css-rendering-performance","12.html-css/26.css-rendering-performance",{"title":2905,"path":2906,"stem":2907},"CSS Best Practices: типові ситуації та правильні рішення","/html-css/css-best-practices","12.html-css/27.css-best-practices",{"title":2909,"path":2910,"stem":2911,"children":2912,"page":59},"Tailwind","/tailwind","21.tailwind",[2913,2917,2921,2925,2929,2933,2937,2941],{"title":2914,"path":2915,"stem":2916},"Що таке Tailwind CSS і навіщо він потрібен","/tailwind/tailwind-intro-philosophy","21.tailwind/01.tailwind-intro-philosophy",{"title":2918,"path":2919,"stem":2920},"Встановлення та налаштування Tailwind CSS v4","/tailwind/tailwind-installation-setup","21.tailwind/02.tailwind-installation-setup",{"title":2922,"path":2923,"stem":2924},"Utility-класи: основи та система Tailwind","/tailwind/tailwind-utility-classes-core","21.tailwind/03.tailwind-utility-classes-core",{"title":2926,"path":2927,"stem":2928},"Layout: Flexbox та Grid через Tailwind","/tailwind/tailwind-flexbox-grid","21.tailwind/04.tailwind-flexbox-grid",{"title":2930,"path":2931,"stem":2932},"Кастомізація теми через @theme у Tailwind v4","/tailwind/tailwind-theme-customization","21.tailwind/05.tailwind-theme-customization",{"title":2934,"path":2935,"stem":2936},"Варіанти: hover, focus, responsive, dark mode та нові v4","/tailwind/tailwind-variants-states","21.tailwind/06.tailwind-variants-states",{"title":2938,"path":2939,"stem":2940},"Типографіка та система кольорів у Tailwind v4","/tailwind/tailwind-typography-colors","21.tailwind/07.tailwind-typography-colors",{"title":2942,"path":2943,"stem":2944},"Компоненти та повторюваність: @apply, @utility та патерни","/tailwind/tailwind-components-patterns","21.tailwind/08.tailwind-components-patterns",{"title":2946,"path":2947,"stem":2948},"Showcase Компонентів kostyl.dev","/test-new-components","98.test-new-components",{"id":2950,"title":348,"body":2951,"description":13755,"extension":13756,"links":13757,"meta":13758,"navigation":3135,"path":349,"seo":13759,"stem":350,"__hash__":13760},"docs/01.csharp/07.system-programming-windows/14.async-advanced.md",{"type":2952,"value":2953,"toc":13687},"minimark",[2954,2958,2963,2983,2986,3004,3018,3031,3046,3049,3057,3062,3074,3083,3088,3262,3281,3285,3291,3304,3694,3718,3722,3729,3735,4271,4293,4297,4306,4468,4479,4481,4488,4492,4495,4638,4649,4666,4684,4688,4926,4934,4956,4960,4963,5477,5502,5506,5514,5666,5670,5682,5734,5736,5740,5744,5757,5773,5785,5819,5823,6130,6149,6153,6166,6547,6565,6567,6574,6578,6584,6590,6700,6714,6718,6868,6884,6888,6947,6951,7427,7431,7617,7621,7943,8040,8046,8048,8052,8056,8240,8259,8263,8359,8363,8540,8559,8563,8745,8749,8977,8981,9149,9151,9155,9159,9164,9321,9336,9340,9345,9571,9578,9583,9855,9872,9876,9881,10328,10332,10339,10788,10790,10794,10798,10808,10813,11168,11172,11175,11608,11619,11621,11625,11628,13163,13227,13229,13233,13394,13396,13400,13492,13494,13498,13502,13508,13528,13533,13544,13548,13551,13583,13588,13599,13603,13612,13639,13643,13657,13662,13671,13673,13683],[2955,2956,348],"h1",{"id":2957},"async-просунуті-паттерни",[2959,2960,2962],"h2",{"id":2961},"навіщо-просунуті-паттерни","Навіщо Просунуті Паттерни?",[2964,2965,2966,2967,2971,2972,2975,2976,2975,2979,2982],"p",{},"У попередніх темах ми розглянули фундамент асинхронності: ",[2968,2969,2970],"code",{},"async","/",[2968,2973,2974],{},"await",", ",[2968,2977,2978],{},"Task",[2968,2980,2981],{},"SynchronizationContext",", та базові сценарії використання. Проте реальні production системи стикаються з викликами, що виходять за межі простих HTTP-запитів чи читання файлів.",[2964,2984,2985],{},"Розглянемо три типові проблеми, що вимагають просунутих паттернів:",[2964,2987,2988,2992,2993,2996,2997,3000,3001,3003],{},[2989,2990,2991],"strong",{},"Проблема перша: Legacy API без async підтримки."," Ви інтегруєте стару бібліотеку, що використовує callback-based модель (APM — Asynchronous Programming Model) або event-based підхід. Код виглядає як ",[2968,2994,2995],{},"BeginRead(callback)"," або ",[2968,2998,2999],{},"FileSystemWatcher.Changed += handler",". Як перетворити це на сучасний ",[2968,3002,2974],{},"-able код без переписування всієї бібліотеки?",[2964,3005,3006,3009,3010,3013,3014,3017],{},[2989,3007,3008],{},"Проблема друга: Streaming великих наборів даних."," API повертає мільйони записів з бази даних або paginated REST endpoint з тисячами сторінок. Завантажити все в пам'ять через ",[2968,3011,3012],{},"List\u003CT>"," — це OOM (Out of Memory). Потрібен спосіб обробляти дані \"по мірі надходження\", асинхронно, з підтримкою ",[2968,3015,3016],{},"CancellationToken",".",[2964,3019,3020,3023,3024,3027,3028,3030],{},[2989,3021,3022],{},"Проблема третя: Performance-critical hot paths."," Профайлер показує, що 80% часу витрачається на allocation ",[2968,3025,3026],{},"Task\u003CT>"," об'єктів у методах, що виконуються мільйони разів на секунду. Кожен ",[2968,3029,2978],{}," — це heap allocation, GC pressure. Як оптимізувати без втрати async зручності?",[2964,3032,3033,3034,3037,3038,3041,3042,3045],{},"Ця тема надає інструменти для вирішення всіх трьох проблем: ",[2968,3035,3036],{},"TaskCompletionSource\u003CT>"," для інтеграції legacy API, ",[2968,3039,3040],{},"IAsyncEnumerable\u003CT>"," для streaming, ",[2968,3043,3044],{},"ValueTask\u003CT>"," для zero-allocation scenarios, та набір best practices для уникнення типових пасток.",[3047,3048],"hr",{},[2959,3050,3052,3053],{"id":3051},"taskcompletionsource-міст-між-світами","TaskCompletionSource",[3054,3055,3056],"t",{},": Міст між Світами",[3058,3059,3061],"h3",{"id":3060},"концепція-ручне-керування-task","Концепція: Ручне Керування Task",[2964,3063,3064,3066,3067,3070,3071,3073],{},[2968,3065,3036],{}," (скорочено TCS) — це \"обіцянка\" (promise) у термінах JavaScript, або \"майбутнє\" (future) у термінах Scala. Це об'єкт, що дозволяє ",[2989,3068,3069],{},"вручну"," контролювати стан ",[2968,3072,3026],{},": коли він завершиться, з яким результатом, чи з помилкою.",[2964,3075,3076,3077,2996,3080,3082],{},"Стандартний ",[2968,3078,3079],{},"Task.Run()",[2968,3081,2970],{}," метод автоматично керують станом Task — ви не можете \"зупинити\" Task ззовні або \"вручну\" встановити результат. TCS дає саме цю можливість.",[2964,3084,3085],{},[2989,3086,3087],{},"Анатомія TaskCompletionSource:",[3089,3090,3095],"pre",{"className":3091,"code":3092,"language":3093,"meta":3094,"style":3094},"language-csharp shiki shiki-themes light-plus dark-plus dark-plus","var tcs = new TaskCompletionSource\u003Cint>();\n\n// Отримуємо Task, який \"чекає\" на результат\nTask\u003Cint> task = tcs.Task;\n\n// Пізніше, з іншого потоку або callback:\ntcs.SetResult(42);           // Task завершується успішно з результатом 42\n// або\ntcs.SetException(new Exception(\"Помилка\"));  // Task завершується з exception\n// або\ntcs.SetCanceled();           // Task переходить у стан Canceled\n","csharp","",[2968,3096,3097,3130,3137,3144,3171,3176,3182,3206,3212,3241,3246],{"__ignoreMap":3094},[3098,3099,3102,3106,3110,3114,3117,3121,3124,3127],"span",{"class":3100,"line":3101},"line",1,[3098,3103,3105],{"class":3104},"su1O8","var",[3098,3107,3109],{"class":3108},"siwwj"," tcs",[3098,3111,3113],{"class":3112},"sHH4Y"," = ",[3098,3115,3116],{"class":3104},"new",[3098,3118,3120],{"class":3119},"sN1BT"," TaskCompletionSource",[3098,3122,3123],{"class":3112},"\u003C",[3098,3125,3126],{"class":3104},"int",[3098,3128,3129],{"class":3112},">();\n",[3098,3131,3133],{"class":3100,"line":3132},2,[3098,3134,3136],{"emptyLinePlaceholder":3135},true,"\n",[3098,3138,3140],{"class":3100,"line":3139},3,[3098,3141,3143],{"class":3142},"spJ8K","// Отримуємо Task, який \"чекає\" на результат\n",[3098,3145,3147,3149,3151,3153,3156,3159,3161,3164,3166,3168],{"class":3100,"line":3146},4,[3098,3148,2978],{"class":3119},[3098,3150,3123],{"class":3112},[3098,3152,3126],{"class":3104},[3098,3154,3155],{"class":3112},"> ",[3098,3157,3158],{"class":3108},"task",[3098,3160,3113],{"class":3112},[3098,3162,3163],{"class":3108},"tcs",[3098,3165,3017],{"class":3112},[3098,3167,2978],{"class":3108},[3098,3169,3170],{"class":3112},";\n",[3098,3172,3174],{"class":3100,"line":3173},5,[3098,3175,3136],{"emptyLinePlaceholder":3135},[3098,3177,3179],{"class":3100,"line":3178},6,[3098,3180,3181],{"class":3142},"// Пізніше, з іншого потоку або callback:\n",[3098,3183,3185,3187,3189,3193,3196,3200,3203],{"class":3100,"line":3184},7,[3098,3186,3163],{"class":3108},[3098,3188,3017],{"class":3112},[3098,3190,3192],{"class":3191},"s8Opu","SetResult",[3098,3194,3195],{"class":3112},"(",[3098,3197,3199],{"class":3198},"sJj4R","42",[3098,3201,3202],{"class":3112},");           ",[3098,3204,3205],{"class":3142},"// Task завершується успішно з результатом 42\n",[3098,3207,3209],{"class":3100,"line":3208},8,[3098,3210,3211],{"class":3142},"// або\n",[3098,3213,3215,3217,3219,3222,3224,3226,3229,3231,3235,3238],{"class":3100,"line":3214},9,[3098,3216,3163],{"class":3108},[3098,3218,3017],{"class":3112},[3098,3220,3221],{"class":3191},"SetException",[3098,3223,3195],{"class":3112},[3098,3225,3116],{"class":3104},[3098,3227,3228],{"class":3119}," Exception",[3098,3230,3195],{"class":3112},[3098,3232,3234],{"class":3233},"sbdoH","\"Помилка\"",[3098,3236,3237],{"class":3112},"));  ",[3098,3239,3240],{"class":3142},"// Task завершується з exception\n",[3098,3242,3244],{"class":3100,"line":3243},10,[3098,3245,3211],{"class":3142},[3098,3247,3249,3251,3253,3256,3259],{"class":3100,"line":3248},11,[3098,3250,3163],{"class":3108},[3098,3252,3017],{"class":3112},[3098,3254,3255],{"class":3191},"SetCanceled",[3098,3257,3258],{"class":3112},"();           ",[3098,3260,3261],{"class":3142},"// Task переходить у стан Canceled\n",[2964,3263,3264,3265,3268,3269,3271,3272,3274,3275,3277,3278,3280],{},"Ключова ідея: ",[2968,3266,3267],{},"tcs.Task"," — це \"читаємий\" Task, а ",[2968,3270,3163],{}," сам — це \"записуваний\" контролер. Ви передаєте ",[2968,3273,3267],{}," споживачу (який робить ",[2968,3276,2974],{},"), а ",[2968,3279,3163],{}," тримаєте у себе для встановлення результату.",[3058,3282,3284],{"id":3283},"перетворення-callback-based-api-на-async","Перетворення Callback-Based API на Async",[2964,3286,3287,3288,3017],{},"Найпоширеніший use case — обгортання старих API, що використовують callbacks. Розглянемо класичний приклад: ",[2968,3289,3290],{},"Timer",[2964,3292,3293,3296,3297,3300,3301,3303],{},[2989,3294,3295],{},"Проблема:"," ",[2968,3298,3299],{},"System.Threading.Timer"," приймає callback, але не повертає ",[2968,3302,2978],{},". Як зробити \"async delay\" через Timer?",[3089,3305,3309],{"className":3091,"code":3306,"filename":3307,"language":3093,"meta":3308,"style":3094},"using System.Threading;\n\nstatic Task DelayWithTimerAsync(int millisecondsDelay, CancellationToken ct = default)\n{\n    var tcs = new TaskCompletionSource\u003Cbool>();\n\n    // Реєструємо cancellation ДО створення Timer\n    ct.Register(() =>\n    {\n        tcs.TrySetCanceled(ct);\n    });\n\n    // Створюємо Timer, що спрацює один раз через millisecondsDelay\n    Timer? timer = null;\n    timer = new Timer(_ =>\n    {\n        timer?.Dispose();  // Звільняємо ресурси\n        tcs.TrySetResult(true);  // Завершуємо Task\n    }, null, millisecondsDelay, Timeout.Infinite);\n\n    // Якщо cancellation вже запитано — одразу dispose\n    if (ct.IsCancellationRequested)\n    {\n        timer.Dispose();\n        tcs.TrySetCanceled(ct);\n    }\n\n    return tcs.Task;\n}\n\n// Використання — ідентично Task.Delay\nawait DelayWithTimerAsync(2000);\nConsole.WriteLine(\"2 секунди минуло через Timer!\");\n","TimerAsTask.cs","showLineNumbers",[2968,3310,3311,3327,3331,3364,3369,3389,3393,3398,3411,3416,3434,3439,3444,3450,3469,3490,3495,3513,3534,3559,3564,3570,3588,3593,3605,3620,3626,3631,3645,3651,3656,3662,3676],{"__ignoreMap":3094},[3098,3312,3313,3317,3320,3322,3325],{"class":3100,"line":3101},[3098,3314,3316],{"class":3315},"sCDza","using",[3098,3318,3319],{"class":3119}," System",[3098,3321,3017],{"class":3112},[3098,3323,3324],{"class":3119},"Threading",[3098,3326,3170],{"class":3112},[3098,3328,3329],{"class":3100,"line":3132},[3098,3330,3136],{"emptyLinePlaceholder":3135},[3098,3332,3333,3336,3339,3342,3344,3346,3349,3351,3353,3356,3358,3361],{"class":3100,"line":3139},[3098,3334,3335],{"class":3104},"static",[3098,3337,3338],{"class":3119}," Task",[3098,3340,3341],{"class":3191}," DelayWithTimerAsync",[3098,3343,3195],{"class":3112},[3098,3345,3126],{"class":3104},[3098,3347,3348],{"class":3108}," millisecondsDelay",[3098,3350,2975],{"class":3112},[3098,3352,3016],{"class":3119},[3098,3354,3355],{"class":3108}," ct",[3098,3357,3113],{"class":3112},[3098,3359,3360],{"class":3104},"default",[3098,3362,3363],{"class":3112},")\n",[3098,3365,3366],{"class":3100,"line":3146},[3098,3367,3368],{"class":3112},"{\n",[3098,3370,3371,3374,3376,3378,3380,3382,3384,3387],{"class":3100,"line":3173},[3098,3372,3373],{"class":3104},"    var",[3098,3375,3109],{"class":3108},[3098,3377,3113],{"class":3112},[3098,3379,3116],{"class":3104},[3098,3381,3120],{"class":3119},[3098,3383,3123],{"class":3112},[3098,3385,3386],{"class":3104},"bool",[3098,3388,3129],{"class":3112},[3098,3390,3391],{"class":3100,"line":3178},[3098,3392,3136],{"emptyLinePlaceholder":3135},[3098,3394,3395],{"class":3100,"line":3184},[3098,3396,3397],{"class":3142},"    // Реєструємо cancellation ДО створення Timer\n",[3098,3399,3400,3403,3405,3408],{"class":3100,"line":3208},[3098,3401,3402],{"class":3108},"    ct",[3098,3404,3017],{"class":3112},[3098,3406,3407],{"class":3191},"Register",[3098,3409,3410],{"class":3112},"(() =>\n",[3098,3412,3413],{"class":3100,"line":3214},[3098,3414,3415],{"class":3112},"    {\n",[3098,3417,3418,3421,3423,3426,3428,3431],{"class":3100,"line":3243},[3098,3419,3420],{"class":3108},"        tcs",[3098,3422,3017],{"class":3112},[3098,3424,3425],{"class":3191},"TrySetCanceled",[3098,3427,3195],{"class":3112},[3098,3429,3430],{"class":3108},"ct",[3098,3432,3433],{"class":3112},");\n",[3098,3435,3436],{"class":3100,"line":3248},[3098,3437,3438],{"class":3112},"    });\n",[3098,3440,3442],{"class":3100,"line":3441},12,[3098,3443,3136],{"emptyLinePlaceholder":3135},[3098,3445,3447],{"class":3100,"line":3446},13,[3098,3448,3449],{"class":3142},"    // Створюємо Timer, що спрацює один раз через millisecondsDelay\n",[3098,3451,3453,3456,3459,3462,3464,3467],{"class":3100,"line":3452},14,[3098,3454,3455],{"class":3119},"    Timer",[3098,3457,3458],{"class":3112},"? ",[3098,3460,3461],{"class":3108},"timer",[3098,3463,3113],{"class":3112},[3098,3465,3466],{"class":3104},"null",[3098,3468,3170],{"class":3112},[3098,3470,3472,3475,3477,3479,3482,3484,3487],{"class":3100,"line":3471},15,[3098,3473,3474],{"class":3108},"    timer",[3098,3476,3113],{"class":3112},[3098,3478,3116],{"class":3104},[3098,3480,3481],{"class":3119}," Timer",[3098,3483,3195],{"class":3112},[3098,3485,3486],{"class":3108},"_",[3098,3488,3489],{"class":3112}," =>\n",[3098,3491,3493],{"class":3100,"line":3492},16,[3098,3494,3415],{"class":3112},[3098,3496,3498,3501,3504,3507,3510],{"class":3100,"line":3497},17,[3098,3499,3500],{"class":3108},"        timer",[3098,3502,3503],{"class":3112},"?.",[3098,3505,3506],{"class":3191},"Dispose",[3098,3508,3509],{"class":3112},"();  ",[3098,3511,3512],{"class":3142},"// Звільняємо ресурси\n",[3098,3514,3516,3518,3520,3523,3525,3528,3531],{"class":3100,"line":3515},18,[3098,3517,3420],{"class":3108},[3098,3519,3017],{"class":3112},[3098,3521,3522],{"class":3191},"TrySetResult",[3098,3524,3195],{"class":3112},[3098,3526,3527],{"class":3104},"true",[3098,3529,3530],{"class":3112},");  ",[3098,3532,3533],{"class":3142},"// Завершуємо Task\n",[3098,3535,3537,3540,3542,3544,3547,3549,3552,3554,3557],{"class":3100,"line":3536},19,[3098,3538,3539],{"class":3112},"    }, ",[3098,3541,3466],{"class":3104},[3098,3543,2975],{"class":3112},[3098,3545,3546],{"class":3108},"millisecondsDelay",[3098,3548,2975],{"class":3112},[3098,3550,3551],{"class":3108},"Timeout",[3098,3553,3017],{"class":3112},[3098,3555,3556],{"class":3108},"Infinite",[3098,3558,3433],{"class":3112},[3098,3560,3562],{"class":3100,"line":3561},20,[3098,3563,3136],{"emptyLinePlaceholder":3135},[3098,3565,3567],{"class":3100,"line":3566},21,[3098,3568,3569],{"class":3142},"    // Якщо cancellation вже запитано — одразу dispose\n",[3098,3571,3573,3576,3579,3581,3583,3586],{"class":3100,"line":3572},22,[3098,3574,3575],{"class":3315},"    if",[3098,3577,3578],{"class":3112}," (",[3098,3580,3430],{"class":3108},[3098,3582,3017],{"class":3112},[3098,3584,3585],{"class":3108},"IsCancellationRequested",[3098,3587,3363],{"class":3112},[3098,3589,3591],{"class":3100,"line":3590},23,[3098,3592,3415],{"class":3112},[3098,3594,3596,3598,3600,3602],{"class":3100,"line":3595},24,[3098,3597,3500],{"class":3108},[3098,3599,3017],{"class":3112},[3098,3601,3506],{"class":3191},[3098,3603,3604],{"class":3112},"();\n",[3098,3606,3608,3610,3612,3614,3616,3618],{"class":3100,"line":3607},25,[3098,3609,3420],{"class":3108},[3098,3611,3017],{"class":3112},[3098,3613,3425],{"class":3191},[3098,3615,3195],{"class":3112},[3098,3617,3430],{"class":3108},[3098,3619,3433],{"class":3112},[3098,3621,3623],{"class":3100,"line":3622},26,[3098,3624,3625],{"class":3112},"    }\n",[3098,3627,3629],{"class":3100,"line":3628},27,[3098,3630,3136],{"emptyLinePlaceholder":3135},[3098,3632,3634,3637,3639,3641,3643],{"class":3100,"line":3633},28,[3098,3635,3636],{"class":3315},"    return",[3098,3638,3109],{"class":3108},[3098,3640,3017],{"class":3112},[3098,3642,2978],{"class":3108},[3098,3644,3170],{"class":3112},[3098,3646,3648],{"class":3100,"line":3647},29,[3098,3649,3650],{"class":3112},"}\n",[3098,3652,3654],{"class":3100,"line":3653},30,[3098,3655,3136],{"emptyLinePlaceholder":3135},[3098,3657,3659],{"class":3100,"line":3658},31,[3098,3660,3661],{"class":3142},"// Використання — ідентично Task.Delay\n",[3098,3663,3665,3667,3669,3671,3674],{"class":3100,"line":3664},32,[3098,3666,2974],{"class":3104},[3098,3668,3341],{"class":3191},[3098,3670,3195],{"class":3112},[3098,3672,3673],{"class":3198},"2000",[3098,3675,3433],{"class":3112},[3098,3677,3679,3682,3684,3687,3689,3692],{"class":3100,"line":3678},33,[3098,3680,3681],{"class":3108},"Console",[3098,3683,3017],{"class":3112},[3098,3685,3686],{"class":3191},"WriteLine",[3098,3688,3195],{"class":3112},[3098,3690,3691],{"class":3233},"\"2 секунди минуло через Timer!\"",[3098,3693,3433],{"class":3112},[3695,3696,3697,3706,3707,3710,3711,3713,3714,3717],"note",{},[2989,3698,3699,3700,3702,3703,3705],{},"Чому ",[2968,3701,3522],{}," замість ",[2968,3704,3192],{},"?"," Метод ",[2968,3708,3709],{},"TrySet*"," повертає ",[2968,3712,3386],{}," і не викидає exception, якщо Task вже завершено. Це важливо у race conditions: якщо cancellation та callback спрацюють одночасно, другий виклик просто поверне ",[2968,3715,3716],{},"false"," замість падіння.",[3058,3719,3721],{"id":3720},"перетворення-event-based-api-на-async","Перетворення Event-Based API на Async",[2964,3723,3724,3725,3728],{},"Другий поширений сценарій — обгортання подій. Приклад: ",[2968,3726,3727],{},"FileSystemWatcher"," генерує події при зміні файлів, але не має async API.",[2964,3730,3731,3734],{},[2989,3732,3733],{},"Завдання:"," Дочекатися першої зміни файлу асинхронно.",[3089,3736,3739],{"className":3091,"code":3737,"filename":3738,"language":3093,"meta":3308,"style":3094},"using System.IO;\n\nstatic Task\u003CFileSystemEventArgs> WaitForFileChangeAsync(\n    string path,\n    CancellationToken ct = default)\n{\n    var tcs = new TaskCompletionSource\u003CFileSystemEventArgs>();\n    var watcher = new FileSystemWatcher(path)\n    {\n        EnableRaisingEvents = true\n    };\n\n    // Обробник події — спрацює при першій зміні\n    void OnChanged(object sender, FileSystemEventArgs e)\n    {\n        watcher.EnableRaisingEvents = false;  // Зупиняємо спостереження\n        watcher.Dispose();\n        tcs.TrySetResult(e);\n    }\n\n    watcher.Changed += OnChanged;\n    watcher.Created += OnChanged;\n    watcher.Deleted += OnChanged;\n\n    // Підтримка cancellation\n    ct.Register(() =>\n    {\n        watcher.EnableRaisingEvents = false;\n        watcher.Dispose();\n        tcs.TrySetCanceled(ct);\n    });\n\n    return tcs.Task;\n}\n\n// Використання\nusing var cts = new CancellationTokenSource(TimeSpan.FromSeconds(30));\ntry\n{\n    var change = await WaitForFileChangeAsync(@\"C:\\Temp\", cts.Token);\n    Console.WriteLine($\"Файл змінено: {change.FullPath}, тип: {change.ChangeType}\");\n}\ncatch (OperationCanceledException)\n{\n    Console.WriteLine(\"Таймаут — жодних змін за 30 секунд\");\n}\n","FileWatcherAsync.cs",[2968,3740,3741,3754,3758,3777,3788,3801,3805,3823,3844,3848,3858,3863,3867,3872,3897,3901,3921,3931,3946,3950,3954,3972,3987,4002,4006,4011,4021,4025,4039,4049,4063,4067,4071,4083,4088,4093,4099,4135,4141,4146,4178,4227,4232,4245,4250,4266],{"__ignoreMap":3094},[3098,3742,3743,3745,3747,3749,3752],{"class":3100,"line":3101},[3098,3744,3316],{"class":3315},[3098,3746,3319],{"class":3119},[3098,3748,3017],{"class":3112},[3098,3750,3751],{"class":3119},"IO",[3098,3753,3170],{"class":3112},[3098,3755,3756],{"class":3100,"line":3132},[3098,3757,3136],{"emptyLinePlaceholder":3135},[3098,3759,3760,3762,3764,3766,3769,3771,3774],{"class":3100,"line":3139},[3098,3761,3335],{"class":3104},[3098,3763,3338],{"class":3119},[3098,3765,3123],{"class":3112},[3098,3767,3768],{"class":3119},"FileSystemEventArgs",[3098,3770,3155],{"class":3112},[3098,3772,3773],{"class":3191},"WaitForFileChangeAsync",[3098,3775,3776],{"class":3112},"(\n",[3098,3778,3779,3782,3785],{"class":3100,"line":3146},[3098,3780,3781],{"class":3104},"    string",[3098,3783,3784],{"class":3108}," path",[3098,3786,3787],{"class":3112},",\n",[3098,3789,3790,3793,3795,3797,3799],{"class":3100,"line":3173},[3098,3791,3792],{"class":3119},"    CancellationToken",[3098,3794,3355],{"class":3108},[3098,3796,3113],{"class":3112},[3098,3798,3360],{"class":3104},[3098,3800,3363],{"class":3112},[3098,3802,3803],{"class":3100,"line":3178},[3098,3804,3368],{"class":3112},[3098,3806,3807,3809,3811,3813,3815,3817,3819,3821],{"class":3100,"line":3184},[3098,3808,3373],{"class":3104},[3098,3810,3109],{"class":3108},[3098,3812,3113],{"class":3112},[3098,3814,3116],{"class":3104},[3098,3816,3120],{"class":3119},[3098,3818,3123],{"class":3112},[3098,3820,3768],{"class":3119},[3098,3822,3129],{"class":3112},[3098,3824,3825,3827,3830,3832,3834,3837,3839,3842],{"class":3100,"line":3208},[3098,3826,3373],{"class":3104},[3098,3828,3829],{"class":3108}," watcher",[3098,3831,3113],{"class":3112},[3098,3833,3116],{"class":3104},[3098,3835,3836],{"class":3119}," FileSystemWatcher",[3098,3838,3195],{"class":3112},[3098,3840,3841],{"class":3108},"path",[3098,3843,3363],{"class":3112},[3098,3845,3846],{"class":3100,"line":3214},[3098,3847,3415],{"class":3112},[3098,3849,3850,3853,3855],{"class":3100,"line":3243},[3098,3851,3852],{"class":3108},"        EnableRaisingEvents",[3098,3854,3113],{"class":3112},[3098,3856,3857],{"class":3104},"true\n",[3098,3859,3860],{"class":3100,"line":3248},[3098,3861,3862],{"class":3112},"    };\n",[3098,3864,3865],{"class":3100,"line":3441},[3098,3866,3136],{"emptyLinePlaceholder":3135},[3098,3868,3869],{"class":3100,"line":3446},[3098,3870,3871],{"class":3142},"    // Обробник події — спрацює при першій зміні\n",[3098,3873,3874,3877,3880,3882,3885,3888,3890,3892,3895],{"class":3100,"line":3452},[3098,3875,3876],{"class":3104},"    void",[3098,3878,3879],{"class":3191}," OnChanged",[3098,3881,3195],{"class":3112},[3098,3883,3884],{"class":3104},"object",[3098,3886,3887],{"class":3108}," sender",[3098,3889,2975],{"class":3112},[3098,3891,3768],{"class":3119},[3098,3893,3894],{"class":3108}," e",[3098,3896,3363],{"class":3112},[3098,3898,3899],{"class":3100,"line":3471},[3098,3900,3415],{"class":3112},[3098,3902,3903,3906,3908,3911,3913,3915,3918],{"class":3100,"line":3492},[3098,3904,3905],{"class":3108},"        watcher",[3098,3907,3017],{"class":3112},[3098,3909,3910],{"class":3108},"EnableRaisingEvents",[3098,3912,3113],{"class":3112},[3098,3914,3716],{"class":3104},[3098,3916,3917],{"class":3112},";  ",[3098,3919,3920],{"class":3142},"// Зупиняємо спостереження\n",[3098,3922,3923,3925,3927,3929],{"class":3100,"line":3497},[3098,3924,3905],{"class":3108},[3098,3926,3017],{"class":3112},[3098,3928,3506],{"class":3191},[3098,3930,3604],{"class":3112},[3098,3932,3933,3935,3937,3939,3941,3944],{"class":3100,"line":3515},[3098,3934,3420],{"class":3108},[3098,3936,3017],{"class":3112},[3098,3938,3522],{"class":3191},[3098,3940,3195],{"class":3112},[3098,3942,3943],{"class":3108},"e",[3098,3945,3433],{"class":3112},[3098,3947,3948],{"class":3100,"line":3536},[3098,3949,3625],{"class":3112},[3098,3951,3952],{"class":3100,"line":3561},[3098,3953,3136],{"emptyLinePlaceholder":3135},[3098,3955,3956,3959,3961,3964,3967,3970],{"class":3100,"line":3566},[3098,3957,3958],{"class":3108},"    watcher",[3098,3960,3017],{"class":3112},[3098,3962,3963],{"class":3108},"Changed",[3098,3965,3966],{"class":3112}," += ",[3098,3968,3969],{"class":3108},"OnChanged",[3098,3971,3170],{"class":3112},[3098,3973,3974,3976,3978,3981,3983,3985],{"class":3100,"line":3572},[3098,3975,3958],{"class":3108},[3098,3977,3017],{"class":3112},[3098,3979,3980],{"class":3108},"Created",[3098,3982,3966],{"class":3112},[3098,3984,3969],{"class":3108},[3098,3986,3170],{"class":3112},[3098,3988,3989,3991,3993,3996,3998,4000],{"class":3100,"line":3590},[3098,3990,3958],{"class":3108},[3098,3992,3017],{"class":3112},[3098,3994,3995],{"class":3108},"Deleted",[3098,3997,3966],{"class":3112},[3098,3999,3969],{"class":3108},[3098,4001,3170],{"class":3112},[3098,4003,4004],{"class":3100,"line":3595},[3098,4005,3136],{"emptyLinePlaceholder":3135},[3098,4007,4008],{"class":3100,"line":3607},[3098,4009,4010],{"class":3142},"    // Підтримка cancellation\n",[3098,4012,4013,4015,4017,4019],{"class":3100,"line":3622},[3098,4014,3402],{"class":3108},[3098,4016,3017],{"class":3112},[3098,4018,3407],{"class":3191},[3098,4020,3410],{"class":3112},[3098,4022,4023],{"class":3100,"line":3628},[3098,4024,3415],{"class":3112},[3098,4026,4027,4029,4031,4033,4035,4037],{"class":3100,"line":3633},[3098,4028,3905],{"class":3108},[3098,4030,3017],{"class":3112},[3098,4032,3910],{"class":3108},[3098,4034,3113],{"class":3112},[3098,4036,3716],{"class":3104},[3098,4038,3170],{"class":3112},[3098,4040,4041,4043,4045,4047],{"class":3100,"line":3647},[3098,4042,3905],{"class":3108},[3098,4044,3017],{"class":3112},[3098,4046,3506],{"class":3191},[3098,4048,3604],{"class":3112},[3098,4050,4051,4053,4055,4057,4059,4061],{"class":3100,"line":3653},[3098,4052,3420],{"class":3108},[3098,4054,3017],{"class":3112},[3098,4056,3425],{"class":3191},[3098,4058,3195],{"class":3112},[3098,4060,3430],{"class":3108},[3098,4062,3433],{"class":3112},[3098,4064,4065],{"class":3100,"line":3658},[3098,4066,3438],{"class":3112},[3098,4068,4069],{"class":3100,"line":3664},[3098,4070,3136],{"emptyLinePlaceholder":3135},[3098,4072,4073,4075,4077,4079,4081],{"class":3100,"line":3678},[3098,4074,3636],{"class":3315},[3098,4076,3109],{"class":3108},[3098,4078,3017],{"class":3112},[3098,4080,2978],{"class":3108},[3098,4082,3170],{"class":3112},[3098,4084,4086],{"class":3100,"line":4085},34,[3098,4087,3650],{"class":3112},[3098,4089,4091],{"class":3100,"line":4090},35,[3098,4092,3136],{"emptyLinePlaceholder":3135},[3098,4094,4096],{"class":3100,"line":4095},36,[3098,4097,4098],{"class":3142},"// Використання\n",[3098,4100,4102,4104,4107,4110,4112,4114,4117,4119,4122,4124,4127,4129,4132],{"class":3100,"line":4101},37,[3098,4103,3316],{"class":3315},[3098,4105,4106],{"class":3104}," var",[3098,4108,4109],{"class":3108}," cts",[3098,4111,3113],{"class":3112},[3098,4113,3116],{"class":3104},[3098,4115,4116],{"class":3119}," CancellationTokenSource",[3098,4118,3195],{"class":3112},[3098,4120,4121],{"class":3108},"TimeSpan",[3098,4123,3017],{"class":3112},[3098,4125,4126],{"class":3191},"FromSeconds",[3098,4128,3195],{"class":3112},[3098,4130,4131],{"class":3198},"30",[3098,4133,4134],{"class":3112},"));\n",[3098,4136,4138],{"class":3100,"line":4137},38,[3098,4139,4140],{"class":3315},"try\n",[3098,4142,4144],{"class":3100,"line":4143},39,[3098,4145,3368],{"class":3112},[3098,4147,4149,4151,4154,4156,4158,4161,4163,4166,4168,4171,4173,4176],{"class":3100,"line":4148},40,[3098,4150,3373],{"class":3104},[3098,4152,4153],{"class":3108}," change",[3098,4155,3113],{"class":3112},[3098,4157,2974],{"class":3104},[3098,4159,4160],{"class":3191}," WaitForFileChangeAsync",[3098,4162,3195],{"class":3112},[3098,4164,4165],{"class":3233},"@\"C:\\Temp\"",[3098,4167,2975],{"class":3112},[3098,4169,4170],{"class":3108},"cts",[3098,4172,3017],{"class":3112},[3098,4174,4175],{"class":3108},"Token",[3098,4177,3433],{"class":3112},[3098,4179,4181,4184,4186,4188,4190,4193,4197,4200,4202,4205,4208,4211,4213,4215,4217,4220,4222,4225],{"class":3100,"line":4180},41,[3098,4182,4183],{"class":3108},"    Console",[3098,4185,3017],{"class":3112},[3098,4187,3686],{"class":3191},[3098,4189,3195],{"class":3112},[3098,4191,4192],{"class":3233},"$\"Файл змінено: ",[3098,4194,4196],{"class":4195},"sD7JJ","{",[3098,4198,4199],{"class":3108},"change",[3098,4201,3017],{"class":4195},[3098,4203,4204],{"class":3108},"FullPath",[3098,4206,4207],{"class":4195},"}",[3098,4209,4210],{"class":3233},", тип: ",[3098,4212,4196],{"class":4195},[3098,4214,4199],{"class":3108},[3098,4216,3017],{"class":4195},[3098,4218,4219],{"class":3108},"ChangeType",[3098,4221,4207],{"class":4195},[3098,4223,4224],{"class":3233},"\"",[3098,4226,3433],{"class":3112},[3098,4228,4230],{"class":3100,"line":4229},42,[3098,4231,3650],{"class":3112},[3098,4233,4235,4238,4240,4243],{"class":3100,"line":4234},43,[3098,4236,4237],{"class":3315},"catch",[3098,4239,3578],{"class":3112},[3098,4241,4242],{"class":3119},"OperationCanceledException",[3098,4244,3363],{"class":3112},[3098,4246,4248],{"class":3100,"line":4247},44,[3098,4249,3368],{"class":3112},[3098,4251,4253,4255,4257,4259,4261,4264],{"class":3100,"line":4252},45,[3098,4254,4183],{"class":3108},[3098,4256,3017],{"class":3112},[3098,4258,3686],{"class":3191},[3098,4260,3195],{"class":3112},[3098,4262,4263],{"class":3233},"\"Таймаут — жодних змін за 30 секунд\"",[3098,4265,3433],{"class":3112},[3098,4267,4269],{"class":3100,"line":4268},46,[3098,4270,3650],{"class":3112},[4272,4273,4274,4277,4278,4281,4282,4284,4285,4288,4289,4292],"warning",{},[2989,4275,4276],{},"Memory Leak Alert!"," У коді вище є потенційна витік пам'яті: якщо ",[2968,4279,4280],{},"ct.Register()"," виконується, але Task ніколи не завершується (наприклад, файл ніколи не змінюється), ",[2968,4283,3727],{}," залишається в пам'яті назавжди. Правильне рішення — зберігати ",[2968,4286,4287],{},"CancellationTokenRegistration"," і викликати ",[2968,4290,4291],{},"Dispose()"," після завершення Task.",[3058,4294,4296],{"id":4295},"taskcreationoptions-для-tcs","TaskCreationOptions для TCS",[2964,4298,4299,4301,4302,4305],{},[2968,4300,3052],{}," приймає ",[2968,4303,4304],{},"TaskCreationOptions"," у конструкторі, що впливає на поведінку створеного Task:",[3089,4307,4310],{"className":3091,"code":4308,"filename":4309,"language":3093,"meta":3308,"style":3094},"// За замовчуванням — Task виконується на ThreadPool\nvar tcs1 = new TaskCompletionSource\u003Cint>();\n\n// RunContinuationsAsynchronously — continuation НЕ виконується синхронно\n// при SetResult (запобігає блокуванню потоку, що встановлює результат)\nvar tcs2 = new TaskCompletionSource\u003Cint>(TaskCreationOptions.RunContinuationsAsynchronously);\n\ntcs2.Task.ContinueWith(t =>\n{\n    // Цей код виконається на ThreadPool, а НЕ на потоці, що викликав SetResult\n    Console.WriteLine($\"Результат: {t.Result}\");\n});\n\n// Потік, що встановлює результат, НЕ блокується на виконанні continuation\ntcs2.SetResult(42);\n","TCSOptions.cs",[2968,4311,4312,4317,4336,4340,4345,4350,4379,4383,4403,4407,4412,4440,4445,4449,4454],{"__ignoreMap":3094},[3098,4313,4314],{"class":3100,"line":3101},[3098,4315,4316],{"class":3142},"// За замовчуванням — Task виконується на ThreadPool\n",[3098,4318,4319,4321,4324,4326,4328,4330,4332,4334],{"class":3100,"line":3132},[3098,4320,3105],{"class":3104},[3098,4322,4323],{"class":3108}," tcs1",[3098,4325,3113],{"class":3112},[3098,4327,3116],{"class":3104},[3098,4329,3120],{"class":3119},[3098,4331,3123],{"class":3112},[3098,4333,3126],{"class":3104},[3098,4335,3129],{"class":3112},[3098,4337,4338],{"class":3100,"line":3139},[3098,4339,3136],{"emptyLinePlaceholder":3135},[3098,4341,4342],{"class":3100,"line":3146},[3098,4343,4344],{"class":3142},"// RunContinuationsAsynchronously — continuation НЕ виконується синхронно\n",[3098,4346,4347],{"class":3100,"line":3173},[3098,4348,4349],{"class":3142},"// при SetResult (запобігає блокуванню потоку, що встановлює результат)\n",[3098,4351,4352,4354,4357,4359,4361,4363,4365,4367,4370,4372,4374,4377],{"class":3100,"line":3178},[3098,4353,3105],{"class":3104},[3098,4355,4356],{"class":3108}," tcs2",[3098,4358,3113],{"class":3112},[3098,4360,3116],{"class":3104},[3098,4362,3120],{"class":3119},[3098,4364,3123],{"class":3112},[3098,4366,3126],{"class":3104},[3098,4368,4369],{"class":3112},">(",[3098,4371,4304],{"class":3108},[3098,4373,3017],{"class":3112},[3098,4375,4376],{"class":3108},"RunContinuationsAsynchronously",[3098,4378,3433],{"class":3112},[3098,4380,4381],{"class":3100,"line":3184},[3098,4382,3136],{"emptyLinePlaceholder":3135},[3098,4384,4385,4388,4390,4392,4394,4397,4399,4401],{"class":3100,"line":3208},[3098,4386,4387],{"class":3108},"tcs2",[3098,4389,3017],{"class":3112},[3098,4391,2978],{"class":3108},[3098,4393,3017],{"class":3112},[3098,4395,4396],{"class":3191},"ContinueWith",[3098,4398,3195],{"class":3112},[3098,4400,3054],{"class":3108},[3098,4402,3489],{"class":3112},[3098,4404,4405],{"class":3100,"line":3214},[3098,4406,3368],{"class":3112},[3098,4408,4409],{"class":3100,"line":3243},[3098,4410,4411],{"class":3142},"    // Цей код виконається на ThreadPool, а НЕ на потоці, що викликав SetResult\n",[3098,4413,4414,4416,4418,4420,4422,4425,4427,4429,4431,4434,4436,4438],{"class":3100,"line":3248},[3098,4415,4183],{"class":3108},[3098,4417,3017],{"class":3112},[3098,4419,3686],{"class":3191},[3098,4421,3195],{"class":3112},[3098,4423,4424],{"class":3233},"$\"Результат: ",[3098,4426,4196],{"class":4195},[3098,4428,3054],{"class":3108},[3098,4430,3017],{"class":4195},[3098,4432,4433],{"class":3108},"Result",[3098,4435,4207],{"class":4195},[3098,4437,4224],{"class":3233},[3098,4439,3433],{"class":3112},[3098,4441,4442],{"class":3100,"line":3441},[3098,4443,4444],{"class":3112},"});\n",[3098,4446,4447],{"class":3100,"line":3446},[3098,4448,3136],{"emptyLinePlaceholder":3135},[3098,4450,4451],{"class":3100,"line":3452},[3098,4452,4453],{"class":3142},"// Потік, що встановлює результат, НЕ блокується на виконанні continuation\n",[3098,4455,4456,4458,4460,4462,4464,4466],{"class":3100,"line":3471},[3098,4457,4387],{"class":3108},[3098,4459,3017],{"class":3112},[3098,4461,3192],{"class":3191},[3098,4463,3195],{"class":3112},[3098,4465,3199],{"class":3198},[3098,4467,3433],{"class":3112},[4469,4470,4471,4474,4475,4478],"tip",{},[2989,4472,4473],{},"Best Practice:"," Завжди використовуйте ",[2968,4476,4477],{},"TaskCreationOptions.RunContinuationsAsynchronously"," для TCS у бібліотечному коді. Це запобігає ситуації, коли continuation блокує потік, що встановлює результат (особливо критично для UI потоків або ASP.NET request threads).",[3047,4480],{},[2959,4482,4484,4485],{"id":4483},"iasyncenumerable-async-streams","IAsyncEnumerable",[3054,4486,4487],{},": Async Streams",[3058,4489,4491],{"id":4490},"проблема-streaming-великих-наборів-даних","Проблема: Streaming Великих Наборів Даних",[2964,4493,4494],{},"Уявіть API, що повертає мільйон записів з бази даних:",[3089,4496,4498],{"className":3091,"code":4497,"language":3093,"meta":3094,"style":3094},"// ❌ ПОГАНО: Завантажує ВСЕ в пам'ять одразу\nasync Task\u003CList\u003CUser>> GetAllUsersAsync()\n{\n    var users = new List\u003CUser>();\n    // SELECT * FROM Users — 1,000,000 рядків\n    // Споживання RAM: ~500 MB\n    return users;\n}\n\nvar allUsers = await GetAllUsersAsync();  // OOM на великих даних\nforeach (var user in allUsers)\n{\n    ProcessUser(user);\n}\n",[2968,4499,4500,4505,4530,4534,4554,4559,4564,4572,4576,4580,4599,4618,4622,4634],{"__ignoreMap":3094},[3098,4501,4502],{"class":3100,"line":3101},[3098,4503,4504],{"class":3142},"// ❌ ПОГАНО: Завантажує ВСЕ в пам'ять одразу\n",[3098,4506,4507,4509,4511,4513,4516,4518,4521,4524,4527],{"class":3100,"line":3132},[3098,4508,2970],{"class":3104},[3098,4510,3338],{"class":3119},[3098,4512,3123],{"class":3112},[3098,4514,4515],{"class":3119},"List",[3098,4517,3123],{"class":3112},[3098,4519,4520],{"class":3119},"User",[3098,4522,4523],{"class":3112},">> ",[3098,4525,4526],{"class":3191},"GetAllUsersAsync",[3098,4528,4529],{"class":3112},"()\n",[3098,4531,4532],{"class":3100,"line":3139},[3098,4533,3368],{"class":3112},[3098,4535,4536,4538,4541,4543,4545,4548,4550,4552],{"class":3100,"line":3146},[3098,4537,3373],{"class":3104},[3098,4539,4540],{"class":3108}," users",[3098,4542,3113],{"class":3112},[3098,4544,3116],{"class":3104},[3098,4546,4547],{"class":3119}," List",[3098,4549,3123],{"class":3112},[3098,4551,4520],{"class":3119},[3098,4553,3129],{"class":3112},[3098,4555,4556],{"class":3100,"line":3173},[3098,4557,4558],{"class":3142},"    // SELECT * FROM Users — 1,000,000 рядків\n",[3098,4560,4561],{"class":3100,"line":3178},[3098,4562,4563],{"class":3142},"    // Споживання RAM: ~500 MB\n",[3098,4565,4566,4568,4570],{"class":3100,"line":3184},[3098,4567,3636],{"class":3315},[3098,4569,4540],{"class":3108},[3098,4571,3170],{"class":3112},[3098,4573,4574],{"class":3100,"line":3208},[3098,4575,3650],{"class":3112},[3098,4577,4578],{"class":3100,"line":3214},[3098,4579,3136],{"emptyLinePlaceholder":3135},[3098,4581,4582,4584,4587,4589,4591,4594,4596],{"class":3100,"line":3243},[3098,4583,3105],{"class":3104},[3098,4585,4586],{"class":3108}," allUsers",[3098,4588,3113],{"class":3112},[3098,4590,2974],{"class":3104},[3098,4592,4593],{"class":3191}," GetAllUsersAsync",[3098,4595,3509],{"class":3112},[3098,4597,4598],{"class":3142},"// OOM на великих даних\n",[3098,4600,4601,4604,4606,4608,4611,4614,4616],{"class":3100,"line":3248},[3098,4602,4603],{"class":3315},"foreach",[3098,4605,3578],{"class":3112},[3098,4607,3105],{"class":3104},[3098,4609,4610],{"class":3108}," user",[3098,4612,4613],{"class":3315}," in",[3098,4615,4586],{"class":3108},[3098,4617,3363],{"class":3112},[3098,4619,4620],{"class":3100,"line":3441},[3098,4621,3368],{"class":3112},[3098,4623,4624,4627,4629,4632],{"class":3100,"line":3446},[3098,4625,4626],{"class":3191},"    ProcessUser",[3098,4628,3195],{"class":3112},[3098,4630,4631],{"class":3108},"user",[3098,4633,3433],{"class":3112},[3098,4635,4636],{"class":3100,"line":3452},[3098,4637,3650],{"class":3112},[2964,4639,4640,4641,4644,4645,4648],{},"Проблема: метод повертає ",[2968,4642,4643],{},"Task\u003CList\u003CT>>"," — це означає, що ",[2989,4646,4647],{},"весь"," результат має бути завантажений у пам'ять перед поверненням. Для мільйона записів це сотні мегабайт RAM.",[2964,4650,4651,4654,4655,4658,4659,4662,4663,4665],{},[2989,4652,4653],{},"Рішення до C# 8:"," Повертати ",[2968,4656,4657],{},"Task\u003CIEnumerable\u003CT>>"," і використовувати ",[2968,4660,4661],{},"yield return"," всередині синхронного ітератора. Але це не дозволяє робити ",[2968,4664,2974],{}," всередині ітератора.",[2964,4667,4668,3296,4671,4673,4674,4677,4678,4680,4681,4683],{},[2989,4669,4670],{},"Рішення C# 8+:",[2968,4672,3040],{}," — асинхронний аналог ",[2968,4675,4676],{},"IEnumerable\u003CT>",", що дозволяє ",[2968,4679,4661],{}," + ",[2968,4682,2974],{}," одночасно.",[3058,4685,4687],{"id":4686},"синтаксис-async-yield-return","Синтаксис: async + yield return",[3089,4689,4692],{"className":3091,"code":4690,"filename":4691,"language":3093,"meta":3308,"style":3094},"using System.Collections.Generic;\nusing System.Threading;\n\n// Метод повертає IAsyncEnumerable\u003CT> і використовує yield return\nasync IAsyncEnumerable\u003Cint> GenerateNumbersAsync(int count)\n{\n    for (int i = 0; i \u003C count; i++)\n    {\n        // Можемо робити await всередині ітератора!\n        await Task.Delay(100);  // Імітація async операції\n        yield return i;         // Повертаємо елемент \"по мірі готовності\"\n    }\n}\n\n// Споживання через await foreach\nawait foreach (var number in GenerateNumbersAsync(10))\n{\n    Console.WriteLine($\"Отримано: {number}\");\n    // Виводиться по одному числу кожні 100ms, а НЕ все одразу після 1 секунди\n}\n","AsyncEnumerableBasics.cs",[2968,4693,4694,4712,4724,4728,4733,4758,4762,4798,4802,4807,4829,4845,4849,4853,4857,4862,4889,4893,4917,4922],{"__ignoreMap":3094},[3098,4695,4696,4698,4700,4702,4705,4707,4710],{"class":3100,"line":3101},[3098,4697,3316],{"class":3315},[3098,4699,3319],{"class":3119},[3098,4701,3017],{"class":3112},[3098,4703,4704],{"class":3119},"Collections",[3098,4706,3017],{"class":3112},[3098,4708,4709],{"class":3119},"Generic",[3098,4711,3170],{"class":3112},[3098,4713,4714,4716,4718,4720,4722],{"class":3100,"line":3132},[3098,4715,3316],{"class":3315},[3098,4717,3319],{"class":3119},[3098,4719,3017],{"class":3112},[3098,4721,3324],{"class":3119},[3098,4723,3170],{"class":3112},[3098,4725,4726],{"class":3100,"line":3139},[3098,4727,3136],{"emptyLinePlaceholder":3135},[3098,4729,4730],{"class":3100,"line":3146},[3098,4731,4732],{"class":3142},"// Метод повертає IAsyncEnumerable\u003CT> і використовує yield return\n",[3098,4734,4735,4737,4740,4742,4744,4746,4749,4751,4753,4756],{"class":3100,"line":3173},[3098,4736,2970],{"class":3104},[3098,4738,4739],{"class":3119}," IAsyncEnumerable",[3098,4741,3123],{"class":3112},[3098,4743,3126],{"class":3104},[3098,4745,3155],{"class":3112},[3098,4747,4748],{"class":3191},"GenerateNumbersAsync",[3098,4750,3195],{"class":3112},[3098,4752,3126],{"class":3104},[3098,4754,4755],{"class":3108}," count",[3098,4757,3363],{"class":3112},[3098,4759,4760],{"class":3100,"line":3178},[3098,4761,3368],{"class":3112},[3098,4763,4764,4767,4769,4771,4774,4776,4779,4782,4785,4788,4791,4793,4795],{"class":3100,"line":3184},[3098,4765,4766],{"class":3315},"    for",[3098,4768,3578],{"class":3112},[3098,4770,3126],{"class":3104},[3098,4772,4773],{"class":3108}," i",[3098,4775,3113],{"class":3112},[3098,4777,4778],{"class":3198},"0",[3098,4780,4781],{"class":3112},"; ",[3098,4783,4784],{"class":3108},"i",[3098,4786,4787],{"class":3112}," \u003C ",[3098,4789,4790],{"class":3108},"count",[3098,4792,4781],{"class":3112},[3098,4794,4784],{"class":3108},[3098,4796,4797],{"class":3112},"++)\n",[3098,4799,4800],{"class":3100,"line":3208},[3098,4801,3415],{"class":3112},[3098,4803,4804],{"class":3100,"line":3214},[3098,4805,4806],{"class":3142},"        // Можемо робити await всередині ітератора!\n",[3098,4808,4809,4812,4814,4816,4819,4821,4824,4826],{"class":3100,"line":3243},[3098,4810,4811],{"class":3104},"        await",[3098,4813,3338],{"class":3108},[3098,4815,3017],{"class":3112},[3098,4817,4818],{"class":3191},"Delay",[3098,4820,3195],{"class":3112},[3098,4822,4823],{"class":3198},"100",[3098,4825,3530],{"class":3112},[3098,4827,4828],{"class":3142},"// Імітація async операції\n",[3098,4830,4831,4834,4837,4839,4842],{"class":3100,"line":3248},[3098,4832,4833],{"class":3315},"        yield",[3098,4835,4836],{"class":3315}," return",[3098,4838,4773],{"class":3108},[3098,4840,4841],{"class":3112},";         ",[3098,4843,4844],{"class":3142},"// Повертаємо елемент \"по мірі готовності\"\n",[3098,4846,4847],{"class":3100,"line":3441},[3098,4848,3625],{"class":3112},[3098,4850,4851],{"class":3100,"line":3446},[3098,4852,3650],{"class":3112},[3098,4854,4855],{"class":3100,"line":3452},[3098,4856,3136],{"emptyLinePlaceholder":3135},[3098,4858,4859],{"class":3100,"line":3471},[3098,4860,4861],{"class":3142},"// Споживання через await foreach\n",[3098,4863,4864,4866,4869,4871,4873,4876,4878,4881,4883,4886],{"class":3100,"line":3492},[3098,4865,2974],{"class":3104},[3098,4867,4868],{"class":3315}," foreach",[3098,4870,3578],{"class":3112},[3098,4872,3105],{"class":3104},[3098,4874,4875],{"class":3108}," number",[3098,4877,4613],{"class":3315},[3098,4879,4880],{"class":3191}," GenerateNumbersAsync",[3098,4882,3195],{"class":3112},[3098,4884,4885],{"class":3198},"10",[3098,4887,4888],{"class":3112},"))\n",[3098,4890,4891],{"class":3100,"line":3497},[3098,4892,3368],{"class":3112},[3098,4894,4895,4897,4899,4901,4903,4906,4908,4911,4913,4915],{"class":3100,"line":3515},[3098,4896,4183],{"class":3108},[3098,4898,3017],{"class":3112},[3098,4900,3686],{"class":3191},[3098,4902,3195],{"class":3112},[3098,4904,4905],{"class":3233},"$\"Отримано: ",[3098,4907,4196],{"class":4195},[3098,4909,4910],{"class":3108},"number",[3098,4912,4207],{"class":4195},[3098,4914,4224],{"class":3233},[3098,4916,3433],{"class":3112},[3098,4918,4919],{"class":3100,"line":3536},[3098,4920,4921],{"class":3142},"    // Виводиться по одному числу кожні 100ms, а НЕ все одразу після 1 секунди\n",[3098,4923,4924],{"class":3100,"line":3561},[3098,4925,3650],{"class":3112},[2964,4927,4928],{},[2989,4929,4930,4931,4933],{},"Ключова різниця з ",[2968,4932,4643],{},":",[4935,4936,4937,4947],"ul",{},[4938,4939,4940,4942,4943,4946],"li",{},[2968,4941,4643],{},": Метод завершується ",[2989,4944,4945],{},"після"," генерації всіх елементів. Споживач чекає весь час.",[4938,4948,4949,4951,4952,4955],{},[2968,4950,3040],{},": Метод повертає елементи ",[2989,4953,4954],{},"по мірі готовності",". Споживач обробляє кожен елемент одразу після отримання.",[3058,4957,4959],{"id":4958},"реальний-приклад-paginated-api","Реальний Приклад: Paginated API",[2964,4961,4962],{},"Типовий сценарій — REST API з пагінацією (GitHub, Twitter, будь-який CRUD API):",[3089,4964,4967],{"className":3091,"code":4965,"filename":4966,"language":3093,"meta":3308,"style":3094},"using System.Net.Http;\nusing System.Text.Json;\nusing System.Collections.Generic;\nusing System.Threading;\n\nrecord User(int Id, string Name);\n\nasync IAsyncEnumerable\u003CUser> FetchAllUsersAsync(\n    HttpClient http,\n    [EnumeratorCancellation] CancellationToken ct = default)\n{\n    int page = 1;\n    bool hasMore = true;\n\n    while (hasMore)\n    {\n        // Запит до API: GET /users?page=1&limit=100\n        var response = await http.GetStringAsync(\n            $\"https://api.example.com/users?page={page}&limit=100\", ct);\n\n        var users = JsonSerializer.Deserialize\u003CList\u003CUser>>(response);\n\n        if (users == null || users.Count == 0)\n        {\n            hasMore = false;\n            yield break;  // Завершуємо ітерацію\n        }\n\n        // Повертаємо кожного користувача окремо\n        foreach (var user in users)\n        {\n            yield return user;\n        }\n\n        page++;\n    }\n}\n\n// Споживання — обробка по мірі надходження\nvar http = new HttpClient();\nawait foreach (var user in FetchAllUsersAsync(http))\n{\n    Console.WriteLine($\"Обробка: {user.Name}\");\n    // Кожна сторінка завантажується ТІЛЬКИ коли попередня оброблена\n    // Споживання RAM: ~100 користувачів одночасно, а НЕ мільйон\n}\n","PaginatedAPI.cs",[2968,4968,4969,4987,5005,5021,5033,5037,5062,5066,5083,5093,5114,5118,5133,5147,5151,5163,5167,5172,5193,5214,5218,5250,5254,5285,5290,5301,5314,5319,5323,5328,5345,5349,5359,5363,5367,5375,5379,5383,5387,5392,5407,5431,5435,5463,5468,5473],{"__ignoreMap":3094},[3098,4970,4971,4973,4975,4977,4980,4982,4985],{"class":3100,"line":3101},[3098,4972,3316],{"class":3315},[3098,4974,3319],{"class":3119},[3098,4976,3017],{"class":3112},[3098,4978,4979],{"class":3119},"Net",[3098,4981,3017],{"class":3112},[3098,4983,4984],{"class":3119},"Http",[3098,4986,3170],{"class":3112},[3098,4988,4989,4991,4993,4995,4998,5000,5003],{"class":3100,"line":3132},[3098,4990,3316],{"class":3315},[3098,4992,3319],{"class":3119},[3098,4994,3017],{"class":3112},[3098,4996,4997],{"class":3119},"Text",[3098,4999,3017],{"class":3112},[3098,5001,5002],{"class":3119},"Json",[3098,5004,3170],{"class":3112},[3098,5006,5007,5009,5011,5013,5015,5017,5019],{"class":3100,"line":3139},[3098,5008,3316],{"class":3315},[3098,5010,3319],{"class":3119},[3098,5012,3017],{"class":3112},[3098,5014,4704],{"class":3119},[3098,5016,3017],{"class":3112},[3098,5018,4709],{"class":3119},[3098,5020,3170],{"class":3112},[3098,5022,5023,5025,5027,5029,5031],{"class":3100,"line":3146},[3098,5024,3316],{"class":3315},[3098,5026,3319],{"class":3119},[3098,5028,3017],{"class":3112},[3098,5030,3324],{"class":3119},[3098,5032,3170],{"class":3112},[3098,5034,5035],{"class":3100,"line":3173},[3098,5036,3136],{"emptyLinePlaceholder":3135},[3098,5038,5039,5042,5045,5047,5049,5052,5054,5057,5060],{"class":3100,"line":3178},[3098,5040,5041],{"class":3104},"record",[3098,5043,5044],{"class":3119}," User",[3098,5046,3195],{"class":3112},[3098,5048,3126],{"class":3104},[3098,5050,5051],{"class":3108}," Id",[3098,5053,2975],{"class":3112},[3098,5055,5056],{"class":3104},"string",[3098,5058,5059],{"class":3108}," Name",[3098,5061,3433],{"class":3112},[3098,5063,5064],{"class":3100,"line":3184},[3098,5065,3136],{"emptyLinePlaceholder":3135},[3098,5067,5068,5070,5072,5074,5076,5078,5081],{"class":3100,"line":3208},[3098,5069,2970],{"class":3104},[3098,5071,4739],{"class":3119},[3098,5073,3123],{"class":3112},[3098,5075,4520],{"class":3119},[3098,5077,3155],{"class":3112},[3098,5079,5080],{"class":3191},"FetchAllUsersAsync",[3098,5082,3776],{"class":3112},[3098,5084,5085,5088,5091],{"class":3100,"line":3214},[3098,5086,5087],{"class":3119},"    HttpClient",[3098,5089,5090],{"class":3108}," http",[3098,5092,3787],{"class":3112},[3098,5094,5095,5098,5101,5104,5106,5108,5110,5112],{"class":3100,"line":3243},[3098,5096,5097],{"class":3112},"    [",[3098,5099,5100],{"class":3119},"EnumeratorCancellation",[3098,5102,5103],{"class":3112},"] ",[3098,5105,3016],{"class":3119},[3098,5107,3355],{"class":3108},[3098,5109,3113],{"class":3112},[3098,5111,3360],{"class":3104},[3098,5113,3363],{"class":3112},[3098,5115,5116],{"class":3100,"line":3248},[3098,5117,3368],{"class":3112},[3098,5119,5120,5123,5126,5128,5131],{"class":3100,"line":3441},[3098,5121,5122],{"class":3104},"    int",[3098,5124,5125],{"class":3108}," page",[3098,5127,3113],{"class":3112},[3098,5129,5130],{"class":3198},"1",[3098,5132,3170],{"class":3112},[3098,5134,5135,5138,5141,5143,5145],{"class":3100,"line":3446},[3098,5136,5137],{"class":3104},"    bool",[3098,5139,5140],{"class":3108}," hasMore",[3098,5142,3113],{"class":3112},[3098,5144,3527],{"class":3104},[3098,5146,3170],{"class":3112},[3098,5148,5149],{"class":3100,"line":3452},[3098,5150,3136],{"emptyLinePlaceholder":3135},[3098,5152,5153,5156,5158,5161],{"class":3100,"line":3471},[3098,5154,5155],{"class":3315},"    while",[3098,5157,3578],{"class":3112},[3098,5159,5160],{"class":3108},"hasMore",[3098,5162,3363],{"class":3112},[3098,5164,5165],{"class":3100,"line":3492},[3098,5166,3415],{"class":3112},[3098,5168,5169],{"class":3100,"line":3497},[3098,5170,5171],{"class":3142},"        // Запит до API: GET /users?page=1&limit=100\n",[3098,5173,5174,5177,5180,5182,5184,5186,5188,5191],{"class":3100,"line":3515},[3098,5175,5176],{"class":3104},"        var",[3098,5178,5179],{"class":3108}," response",[3098,5181,3113],{"class":3112},[3098,5183,2974],{"class":3104},[3098,5185,5090],{"class":3108},[3098,5187,3017],{"class":3112},[3098,5189,5190],{"class":3191},"GetStringAsync",[3098,5192,3776],{"class":3112},[3098,5194,5195,5198,5200,5203,5205,5208,5210,5212],{"class":3100,"line":3536},[3098,5196,5197],{"class":3233},"            $\"https://api.example.com/users?page=",[3098,5199,4196],{"class":4195},[3098,5201,5202],{"class":3108},"page",[3098,5204,4207],{"class":4195},[3098,5206,5207],{"class":3233},"&limit=100\"",[3098,5209,2975],{"class":3112},[3098,5211,3430],{"class":3108},[3098,5213,3433],{"class":3112},[3098,5215,5216],{"class":3100,"line":3561},[3098,5217,3136],{"emptyLinePlaceholder":3135},[3098,5219,5220,5222,5224,5226,5229,5231,5234,5236,5238,5240,5242,5245,5248],{"class":3100,"line":3566},[3098,5221,5176],{"class":3104},[3098,5223,4540],{"class":3108},[3098,5225,3113],{"class":3112},[3098,5227,5228],{"class":3108},"JsonSerializer",[3098,5230,3017],{"class":3112},[3098,5232,5233],{"class":3191},"Deserialize",[3098,5235,3123],{"class":3112},[3098,5237,4515],{"class":3119},[3098,5239,3123],{"class":3112},[3098,5241,4520],{"class":3119},[3098,5243,5244],{"class":3112},">>(",[3098,5246,5247],{"class":3108},"response",[3098,5249,3433],{"class":3112},[3098,5251,5252],{"class":3100,"line":3572},[3098,5253,3136],{"emptyLinePlaceholder":3135},[3098,5255,5256,5259,5261,5264,5267,5269,5272,5274,5276,5279,5281,5283],{"class":3100,"line":3590},[3098,5257,5258],{"class":3315},"        if",[3098,5260,3578],{"class":3112},[3098,5262,5263],{"class":3108},"users",[3098,5265,5266],{"class":3112}," == ",[3098,5268,3466],{"class":3104},[3098,5270,5271],{"class":3112}," || ",[3098,5273,5263],{"class":3108},[3098,5275,3017],{"class":3112},[3098,5277,5278],{"class":3108},"Count",[3098,5280,5266],{"class":3112},[3098,5282,4778],{"class":3198},[3098,5284,3363],{"class":3112},[3098,5286,5287],{"class":3100,"line":3595},[3098,5288,5289],{"class":3112},"        {\n",[3098,5291,5292,5295,5297,5299],{"class":3100,"line":3607},[3098,5293,5294],{"class":3108},"            hasMore",[3098,5296,3113],{"class":3112},[3098,5298,3716],{"class":3104},[3098,5300,3170],{"class":3112},[3098,5302,5303,5306,5309,5311],{"class":3100,"line":3622},[3098,5304,5305],{"class":3315},"            yield",[3098,5307,5308],{"class":3315}," break",[3098,5310,3917],{"class":3112},[3098,5312,5313],{"class":3142},"// Завершуємо ітерацію\n",[3098,5315,5316],{"class":3100,"line":3628},[3098,5317,5318],{"class":3112},"        }\n",[3098,5320,5321],{"class":3100,"line":3633},[3098,5322,3136],{"emptyLinePlaceholder":3135},[3098,5324,5325],{"class":3100,"line":3647},[3098,5326,5327],{"class":3142},"        // Повертаємо кожного користувача окремо\n",[3098,5329,5330,5333,5335,5337,5339,5341,5343],{"class":3100,"line":3653},[3098,5331,5332],{"class":3315},"        foreach",[3098,5334,3578],{"class":3112},[3098,5336,3105],{"class":3104},[3098,5338,4610],{"class":3108},[3098,5340,4613],{"class":3315},[3098,5342,4540],{"class":3108},[3098,5344,3363],{"class":3112},[3098,5346,5347],{"class":3100,"line":3658},[3098,5348,5289],{"class":3112},[3098,5350,5351,5353,5355,5357],{"class":3100,"line":3664},[3098,5352,5305],{"class":3315},[3098,5354,4836],{"class":3315},[3098,5356,4610],{"class":3108},[3098,5358,3170],{"class":3112},[3098,5360,5361],{"class":3100,"line":3678},[3098,5362,5318],{"class":3112},[3098,5364,5365],{"class":3100,"line":4085},[3098,5366,3136],{"emptyLinePlaceholder":3135},[3098,5368,5369,5372],{"class":3100,"line":4090},[3098,5370,5371],{"class":3108},"        page",[3098,5373,5374],{"class":3112},"++;\n",[3098,5376,5377],{"class":3100,"line":4095},[3098,5378,3625],{"class":3112},[3098,5380,5381],{"class":3100,"line":4101},[3098,5382,3650],{"class":3112},[3098,5384,5385],{"class":3100,"line":4137},[3098,5386,3136],{"emptyLinePlaceholder":3135},[3098,5388,5389],{"class":3100,"line":4143},[3098,5390,5391],{"class":3142},"// Споживання — обробка по мірі надходження\n",[3098,5393,5394,5396,5398,5400,5402,5405],{"class":3100,"line":4148},[3098,5395,3105],{"class":3104},[3098,5397,5090],{"class":3108},[3098,5399,3113],{"class":3112},[3098,5401,3116],{"class":3104},[3098,5403,5404],{"class":3119}," HttpClient",[3098,5406,3604],{"class":3112},[3098,5408,5409,5411,5413,5415,5417,5419,5421,5424,5426,5429],{"class":3100,"line":4180},[3098,5410,2974],{"class":3104},[3098,5412,4868],{"class":3315},[3098,5414,3578],{"class":3112},[3098,5416,3105],{"class":3104},[3098,5418,4610],{"class":3108},[3098,5420,4613],{"class":3315},[3098,5422,5423],{"class":3191}," FetchAllUsersAsync",[3098,5425,3195],{"class":3112},[3098,5427,5428],{"class":3108},"http",[3098,5430,4888],{"class":3112},[3098,5432,5433],{"class":3100,"line":4229},[3098,5434,3368],{"class":3112},[3098,5436,5437,5439,5441,5443,5445,5448,5450,5452,5454,5457,5459,5461],{"class":3100,"line":4234},[3098,5438,4183],{"class":3108},[3098,5440,3017],{"class":3112},[3098,5442,3686],{"class":3191},[3098,5444,3195],{"class":3112},[3098,5446,5447],{"class":3233},"$\"Обробка: ",[3098,5449,4196],{"class":4195},[3098,5451,4631],{"class":3108},[3098,5453,3017],{"class":4195},[3098,5455,5456],{"class":3108},"Name",[3098,5458,4207],{"class":4195},[3098,5460,4224],{"class":3233},[3098,5462,3433],{"class":3112},[3098,5464,5465],{"class":3100,"line":4247},[3098,5466,5467],{"class":3142},"    // Кожна сторінка завантажується ТІЛЬКИ коли попередня оброблена\n",[3098,5469,5470],{"class":3100,"line":4252},[3098,5471,5472],{"class":3142},"    // Споживання RAM: ~100 користувачів одночасно, а НЕ мільйон\n",[3098,5474,5475],{"class":3100,"line":4268},[3098,5476,3650],{"class":3112},[3695,5478,5479,5485,5486,5488,5489,5492,5493,5495,5496,5498,5499,3017],{},[2989,5480,5481,5484],{},[2968,5482,5483],{},"[EnumeratorCancellation]"," атрибут"," — це спеціальний атрибут, що автоматично передає ",[2968,5487,3016],{}," з ",[2968,5490,5491],{},"await foreach"," у метод-генератор. Без нього ",[2968,5494,3430],{}," буде ",[2968,5497,3360],{},", навіть якщо споживач передав токен через ",[2968,5500,5501],{},"WithCancellation()",[3058,5503,5505],{"id":5504},"підтримка-cancellationtoken-у-споживача","Підтримка CancellationToken у Споживача",[2964,5507,5508,5509,5511,5512,4933],{},"Споживач може передати ",[2968,5510,3016],{}," через extension method ",[2968,5513,5501],{},[3089,5515,5518],{"className":3091,"code":5516,"filename":5517,"language":3093,"meta":3308,"style":3094},"using var cts = new CancellationTokenSource(TimeSpan.FromSeconds(10));\n\ntry\n{\n    await foreach (var user in FetchAllUsersAsync(http).WithCancellation(cts.Token))\n    {\n        Console.WriteLine(user.Name);\n        // Якщо обробка займе > 10 секунд — OperationCanceledException\n    }\n}\ncatch (OperationCanceledException)\n{\n    Console.WriteLine(\"Обробка скасована через таймаут\");\n}\n","CancellationSupport.cs",[2968,5519,5520,5548,5552,5556,5560,5597,5601,5620,5625,5629,5633,5643,5647,5662],{"__ignoreMap":3094},[3098,5521,5522,5524,5526,5528,5530,5532,5534,5536,5538,5540,5542,5544,5546],{"class":3100,"line":3101},[3098,5523,3316],{"class":3315},[3098,5525,4106],{"class":3104},[3098,5527,4109],{"class":3108},[3098,5529,3113],{"class":3112},[3098,5531,3116],{"class":3104},[3098,5533,4116],{"class":3119},[3098,5535,3195],{"class":3112},[3098,5537,4121],{"class":3108},[3098,5539,3017],{"class":3112},[3098,5541,4126],{"class":3191},[3098,5543,3195],{"class":3112},[3098,5545,4885],{"class":3198},[3098,5547,4134],{"class":3112},[3098,5549,5550],{"class":3100,"line":3132},[3098,5551,3136],{"emptyLinePlaceholder":3135},[3098,5553,5554],{"class":3100,"line":3139},[3098,5555,4140],{"class":3315},[3098,5557,5558],{"class":3100,"line":3146},[3098,5559,3368],{"class":3112},[3098,5561,5562,5565,5567,5569,5571,5573,5575,5577,5579,5581,5584,5587,5589,5591,5593,5595],{"class":3100,"line":3173},[3098,5563,5564],{"class":3104},"    await",[3098,5566,4868],{"class":3315},[3098,5568,3578],{"class":3112},[3098,5570,3105],{"class":3104},[3098,5572,4610],{"class":3108},[3098,5574,4613],{"class":3315},[3098,5576,5423],{"class":3191},[3098,5578,3195],{"class":3112},[3098,5580,5428],{"class":3108},[3098,5582,5583],{"class":3112},").",[3098,5585,5586],{"class":3191},"WithCancellation",[3098,5588,3195],{"class":3112},[3098,5590,4170],{"class":3108},[3098,5592,3017],{"class":3112},[3098,5594,4175],{"class":3108},[3098,5596,4888],{"class":3112},[3098,5598,5599],{"class":3100,"line":3178},[3098,5600,3415],{"class":3112},[3098,5602,5603,5606,5608,5610,5612,5614,5616,5618],{"class":3100,"line":3184},[3098,5604,5605],{"class":3108},"        Console",[3098,5607,3017],{"class":3112},[3098,5609,3686],{"class":3191},[3098,5611,3195],{"class":3112},[3098,5613,4631],{"class":3108},[3098,5615,3017],{"class":3112},[3098,5617,5456],{"class":3108},[3098,5619,3433],{"class":3112},[3098,5621,5622],{"class":3100,"line":3208},[3098,5623,5624],{"class":3142},"        // Якщо обробка займе > 10 секунд — OperationCanceledException\n",[3098,5626,5627],{"class":3100,"line":3214},[3098,5628,3625],{"class":3112},[3098,5630,5631],{"class":3100,"line":3243},[3098,5632,3650],{"class":3112},[3098,5634,5635,5637,5639,5641],{"class":3100,"line":3248},[3098,5636,4237],{"class":3315},[3098,5638,3578],{"class":3112},[3098,5640,4242],{"class":3119},[3098,5642,3363],{"class":3112},[3098,5644,5645],{"class":3100,"line":3441},[3098,5646,3368],{"class":3112},[3098,5648,5649,5651,5653,5655,5657,5660],{"class":3100,"line":3446},[3098,5650,4183],{"class":3108},[3098,5652,3017],{"class":3112},[3098,5654,3686],{"class":3191},[3098,5656,3195],{"class":3112},[3098,5658,5659],{"class":3233},"\"Обробка скасована через таймаут\"",[3098,5661,3433],{"class":3112},[3098,5663,5664],{"class":3100,"line":3452},[3098,5665,3650],{"class":3112},[3058,5667,5669],{"id":5668},"configureawait-для-iasyncenumerable","ConfigureAwait для IAsyncEnumerable",[2964,5671,5672,5673,2975,5676,5678,5679,4933],{},"Так само як ",[2968,5674,5675],{},"Task.ConfigureAwait(false)",[2968,5677,4484],{}," підтримує ",[2968,5680,5681],{},"ConfigureAwait",[3089,5683,5685],{"className":3091,"code":5684,"language":3093,"meta":3094,"style":3094},"await foreach (var item in GetItemsAsync().ConfigureAwait(false))\n{\n    // Continuation НЕ повертається на captured SynchronizationContext\n    // Важливо для бібліотечного коду\n}\n",[2968,5686,5687,5716,5720,5725,5730],{"__ignoreMap":3094},[3098,5688,5689,5691,5693,5695,5697,5700,5702,5705,5708,5710,5712,5714],{"class":3100,"line":3101},[3098,5690,2974],{"class":3104},[3098,5692,4868],{"class":3315},[3098,5694,3578],{"class":3112},[3098,5696,3105],{"class":3104},[3098,5698,5699],{"class":3108}," item",[3098,5701,4613],{"class":3315},[3098,5703,5704],{"class":3191}," GetItemsAsync",[3098,5706,5707],{"class":3112},"().",[3098,5709,5681],{"class":3191},[3098,5711,3195],{"class":3112},[3098,5713,3716],{"class":3104},[3098,5715,4888],{"class":3112},[3098,5717,5718],{"class":3100,"line":3132},[3098,5719,3368],{"class":3112},[3098,5721,5722],{"class":3100,"line":3139},[3098,5723,5724],{"class":3142},"    // Continuation НЕ повертається на captured SynchronizationContext\n",[3098,5726,5727],{"class":3100,"line":3146},[3098,5728,5729],{"class":3142},"    // Важливо для бібліотечного коду\n",[3098,5731,5732],{"class":3100,"line":3173},[3098,5733,3650],{"class":3112},[3047,5735],{},[2959,5737,5739],{"id":5738},"iasyncdisposable-та-await-using","IAsyncDisposable та await using",[3058,5741,5743],{"id":5742},"проблема-async-cleanup","Проблема: Async Cleanup",[2964,5745,5746,5747,2975,5750,2975,5753,5756],{},"Деякі ресурси вимагають асинхронного звільнення. Приклад: ",[2968,5748,5749],{},"DbConnection.CloseAsync()",[2968,5751,5752],{},"Stream.FlushAsync()",[2968,5754,5755],{},"HttpClient"," з pending requests.",[2964,5758,3076,5759,5762,5763,5765,5766,2996,5769,5772],{},[2968,5760,5761],{},"IDisposable.Dispose()"," — синхронний метод. Якщо всередині ",[2968,5764,4291],{}," викликати ",[2968,5767,5768],{},".Result",[2968,5770,5771],{},".Wait()"," на async операції — це deadlock у UI/ASP.NET контекстах.",[2964,5774,5775,3296,5778,5781,5782,4933],{},[2989,5776,5777],{},"Рішення:",[2968,5779,5780],{},"IAsyncDisposable"," інтерфейс з методом ",[2968,5783,5784],{},"DisposeAsync()",[3089,5786,5788],{"className":3091,"code":5787,"language":3093,"meta":3094,"style":3094},"public interface IAsyncDisposable\n{\n    ValueTask DisposeAsync();\n}\n",[2968,5789,5790,5801,5805,5815],{"__ignoreMap":3094},[3098,5791,5792,5795,5798],{"class":3100,"line":3101},[3098,5793,5794],{"class":3104},"public",[3098,5796,5797],{"class":3104}," interface",[3098,5799,5800],{"class":3119}," IAsyncDisposable\n",[3098,5802,5803],{"class":3100,"line":3132},[3098,5804,3368],{"class":3112},[3098,5806,5807,5810,5813],{"class":3100,"line":3139},[3098,5808,5809],{"class":3119},"    ValueTask",[3098,5811,5812],{"class":3191}," DisposeAsync",[3098,5814,3604],{"class":3112},[3098,5816,5817],{"class":3100,"line":3146},[3098,5818,3650],{"class":3112},[3058,5820,5822],{"id":5821},"синтаксис-await-using","Синтаксис: await using",[3089,5824,5827],{"className":3091,"code":5825,"filename":5826,"language":3093,"meta":3308,"style":3094},"// Клас, що реалізує IAsyncDisposable\nclass AsyncResource : IAsyncDisposable\n{\n    private readonly HttpClient _http = new();\n\n    public async Task\u003Cstring> FetchDataAsync()\n    {\n        return await _http.GetStringAsync(\"https://example.com\");\n    }\n\n    public async ValueTask DisposeAsync()\n    {\n        Console.WriteLine(\"Async cleanup...\");\n        // Асинхронне звільнення ресурсів\n        await Task.Delay(100);  // Імітація async операції (flush, close connection)\n        _http.Dispose();\n        Console.WriteLine(\"Cleanup завершено\");\n    }\n}\n\n// Використання через await using\nawait using (var resource = new AsyncResource())\n{\n    var data = await resource.FetchDataAsync();\n    Console.WriteLine(data);\n}  // DisposeAsync() викликається автоматично тут\n\n// Або скорочений синтаксис\nawait using var resource2 = new AsyncResource();\n// DisposeAsync() викликається в кінці scope\n","AsyncDisposableBasics.cs",[2968,5828,5829,5834,5848,5852,5871,5875,5896,5900,5921,5925,5929,5942,5946,5961,5966,5985,5996,6011,6015,6019,6023,6028,6051,6055,6074,6089,6097,6101,6106,6125],{"__ignoreMap":3094},[3098,5830,5831],{"class":3100,"line":3101},[3098,5832,5833],{"class":3142},"// Клас, що реалізує IAsyncDisposable\n",[3098,5835,5836,5839,5842,5845],{"class":3100,"line":3132},[3098,5837,5838],{"class":3104},"class",[3098,5840,5841],{"class":3119}," AsyncResource",[3098,5843,5844],{"class":3112}," : ",[3098,5846,5847],{"class":3119},"IAsyncDisposable\n",[3098,5849,5850],{"class":3100,"line":3139},[3098,5851,3368],{"class":3112},[3098,5853,5854,5857,5860,5862,5865,5867,5869],{"class":3100,"line":3146},[3098,5855,5856],{"class":3104},"    private",[3098,5858,5859],{"class":3104}," readonly",[3098,5861,5404],{"class":3119},[3098,5863,5864],{"class":3108}," _http",[3098,5866,3113],{"class":3112},[3098,5868,3116],{"class":3104},[3098,5870,3604],{"class":3112},[3098,5872,5873],{"class":3100,"line":3173},[3098,5874,3136],{"emptyLinePlaceholder":3135},[3098,5876,5877,5880,5883,5885,5887,5889,5891,5894],{"class":3100,"line":3178},[3098,5878,5879],{"class":3104},"    public",[3098,5881,5882],{"class":3104}," async",[3098,5884,3338],{"class":3119},[3098,5886,3123],{"class":3112},[3098,5888,5056],{"class":3104},[3098,5890,3155],{"class":3112},[3098,5892,5893],{"class":3191},"FetchDataAsync",[3098,5895,4529],{"class":3112},[3098,5897,5898],{"class":3100,"line":3184},[3098,5899,3415],{"class":3112},[3098,5901,5902,5905,5908,5910,5912,5914,5916,5919],{"class":3100,"line":3208},[3098,5903,5904],{"class":3315},"        return",[3098,5906,5907],{"class":3104}," await",[3098,5909,5864],{"class":3108},[3098,5911,3017],{"class":3112},[3098,5913,5190],{"class":3191},[3098,5915,3195],{"class":3112},[3098,5917,5918],{"class":3233},"\"https://example.com\"",[3098,5920,3433],{"class":3112},[3098,5922,5923],{"class":3100,"line":3214},[3098,5924,3625],{"class":3112},[3098,5926,5927],{"class":3100,"line":3243},[3098,5928,3136],{"emptyLinePlaceholder":3135},[3098,5930,5931,5933,5935,5938,5940],{"class":3100,"line":3248},[3098,5932,5879],{"class":3104},[3098,5934,5882],{"class":3104},[3098,5936,5937],{"class":3119}," ValueTask",[3098,5939,5812],{"class":3191},[3098,5941,4529],{"class":3112},[3098,5943,5944],{"class":3100,"line":3441},[3098,5945,3415],{"class":3112},[3098,5947,5948,5950,5952,5954,5956,5959],{"class":3100,"line":3446},[3098,5949,5605],{"class":3108},[3098,5951,3017],{"class":3112},[3098,5953,3686],{"class":3191},[3098,5955,3195],{"class":3112},[3098,5957,5958],{"class":3233},"\"Async cleanup...\"",[3098,5960,3433],{"class":3112},[3098,5962,5963],{"class":3100,"line":3452},[3098,5964,5965],{"class":3142},"        // Асинхронне звільнення ресурсів\n",[3098,5967,5968,5970,5972,5974,5976,5978,5980,5982],{"class":3100,"line":3471},[3098,5969,4811],{"class":3104},[3098,5971,3338],{"class":3108},[3098,5973,3017],{"class":3112},[3098,5975,4818],{"class":3191},[3098,5977,3195],{"class":3112},[3098,5979,4823],{"class":3198},[3098,5981,3530],{"class":3112},[3098,5983,5984],{"class":3142},"// Імітація async операції (flush, close connection)\n",[3098,5986,5987,5990,5992,5994],{"class":3100,"line":3492},[3098,5988,5989],{"class":3108},"        _http",[3098,5991,3017],{"class":3112},[3098,5993,3506],{"class":3191},[3098,5995,3604],{"class":3112},[3098,5997,5998,6000,6002,6004,6006,6009],{"class":3100,"line":3497},[3098,5999,5605],{"class":3108},[3098,6001,3017],{"class":3112},[3098,6003,3686],{"class":3191},[3098,6005,3195],{"class":3112},[3098,6007,6008],{"class":3233},"\"Cleanup завершено\"",[3098,6010,3433],{"class":3112},[3098,6012,6013],{"class":3100,"line":3515},[3098,6014,3625],{"class":3112},[3098,6016,6017],{"class":3100,"line":3536},[3098,6018,3650],{"class":3112},[3098,6020,6021],{"class":3100,"line":3561},[3098,6022,3136],{"emptyLinePlaceholder":3135},[3098,6024,6025],{"class":3100,"line":3566},[3098,6026,6027],{"class":3142},"// Використання через await using\n",[3098,6029,6030,6032,6035,6037,6039,6042,6044,6046,6048],{"class":3100,"line":3572},[3098,6031,2974],{"class":3104},[3098,6033,6034],{"class":3315}," using",[3098,6036,3578],{"class":3112},[3098,6038,3105],{"class":3104},[3098,6040,6041],{"class":3108}," resource",[3098,6043,3113],{"class":3112},[3098,6045,3116],{"class":3104},[3098,6047,5841],{"class":3119},[3098,6049,6050],{"class":3112},"())\n",[3098,6052,6053],{"class":3100,"line":3590},[3098,6054,3368],{"class":3112},[3098,6056,6057,6059,6062,6064,6066,6068,6070,6072],{"class":3100,"line":3595},[3098,6058,3373],{"class":3108},[3098,6060,6061],{"class":3108}," data",[3098,6063,3113],{"class":3112},[3098,6065,2974],{"class":3104},[3098,6067,6041],{"class":3108},[3098,6069,3017],{"class":3112},[3098,6071,5893],{"class":3191},[3098,6073,3604],{"class":3112},[3098,6075,6076,6078,6080,6082,6084,6087],{"class":3100,"line":3607},[3098,6077,4183],{"class":3108},[3098,6079,3017],{"class":3112},[3098,6081,3686],{"class":3191},[3098,6083,3195],{"class":3112},[3098,6085,6086],{"class":3108},"data",[3098,6088,3433],{"class":3112},[3098,6090,6091,6094],{"class":3100,"line":3622},[3098,6092,6093],{"class":3112},"}  ",[3098,6095,6096],{"class":3142},"// DisposeAsync() викликається автоматично тут\n",[3098,6098,6099],{"class":3100,"line":3628},[3098,6100,3136],{"emptyLinePlaceholder":3135},[3098,6102,6103],{"class":3100,"line":3633},[3098,6104,6105],{"class":3142},"// Або скорочений синтаксис\n",[3098,6107,6108,6110,6112,6114,6117,6119,6121,6123],{"class":3100,"line":3647},[3098,6109,2974],{"class":3104},[3098,6111,6034],{"class":3315},[3098,6113,4106],{"class":3104},[3098,6115,6116],{"class":3108}," resource2",[3098,6118,3113],{"class":3112},[3098,6120,3116],{"class":3104},[3098,6122,5841],{"class":3119},[3098,6124,3604],{"class":3112},[3098,6126,6127],{"class":3100,"line":3653},[3098,6128,6129],{"class":3142},"// DisposeAsync() викликається в кінці scope\n",[4469,6131,6132,6135,6136,2975,6139,6142,6143,6145,6146,6148],{},[2989,6133,6134],{},"Коли використовувати IAsyncDisposable?"," Якщо ваш клас тримає ресурси, що мають async методи закриття (",[2968,6137,6138],{},"CloseAsync",[2968,6140,6141],{},"FlushAsync","), або якщо ",[2968,6144,4291],{}," має викликати async операції — реалізуйте ",[2968,6147,5780],{},". Приклади: database connections, network streams, file handles з buffering.",[3058,6150,6152],{"id":6151},"реалізація-обох-інтерфейсів","Реалізація Обох Інтерфейсів",[2964,6154,6155,6156,3296,6159,6162,6163,6165],{},"Часто клас має реалізовувати ",[2989,6157,6158],{},"обидва",[2968,6160,6161],{},"IDisposable"," та ",[2968,6164,5780],{}," для сумісності:",[3089,6167,6170],{"className":3091,"code":6168,"filename":6169,"language":3093,"meta":3308,"style":3094},"class DatabaseConnection : IDisposable, IAsyncDisposable\n{\n    private bool _disposed;\n\n    // Async dispose — рекомендований спосіб\n    public async ValueTask DisposeAsync()\n    {\n        if (_disposed) return;\n\n        // Async cleanup\n        await FlushBuffersAsync();\n        await CloseConnectionAsync();\n\n        _disposed = true;\n        GC.SuppressFinalize(this);  // Не потрібен finalizer\n    }\n\n    // Sync dispose — fallback для legacy коду\n    public void Dispose()\n    {\n        if (_disposed) return;\n\n        // Синхронне закриття (може бути менш ефективним)\n        FlushBuffersAsync().GetAwaiter().GetResult();  // Блокуюче очікування\n        CloseConnectionAsync().GetAwaiter().GetResult();\n\n        _disposed = true;\n        GC.SuppressFinalize(this);\n    }\n\n    private async Task FlushBuffersAsync()\n    {\n        await Task.Delay(50);  // Імітація flush\n        Console.WriteLine(\"Buffers flushed\");\n    }\n\n    private async Task CloseConnectionAsync()\n    {\n        await Task.Delay(50);  // Імітація close\n        Console.WriteLine(\"Connection closed\");\n    }\n}\n","DualDisposable.cs",[2968,6171,6172,6187,6191,6203,6207,6212,6224,6228,6245,6249,6254,6263,6272,6276,6287,6307,6311,6315,6320,6332,6336,6350,6354,6359,6379,6394,6398,6408,6422,6426,6430,6442,6446,6466,6481,6485,6489,6501,6505,6524,6539,6543],{"__ignoreMap":3094},[3098,6173,6174,6176,6179,6181,6183,6185],{"class":3100,"line":3101},[3098,6175,5838],{"class":3104},[3098,6177,6178],{"class":3119}," DatabaseConnection",[3098,6180,5844],{"class":3112},[3098,6182,6161],{"class":3119},[3098,6184,2975],{"class":3112},[3098,6186,5847],{"class":3119},[3098,6188,6189],{"class":3100,"line":3132},[3098,6190,3368],{"class":3112},[3098,6192,6193,6195,6198,6201],{"class":3100,"line":3139},[3098,6194,5856],{"class":3104},[3098,6196,6197],{"class":3104}," bool",[3098,6199,6200],{"class":3108}," _disposed",[3098,6202,3170],{"class":3112},[3098,6204,6205],{"class":3100,"line":3146},[3098,6206,3136],{"emptyLinePlaceholder":3135},[3098,6208,6209],{"class":3100,"line":3173},[3098,6210,6211],{"class":3142},"    // Async dispose — рекомендований спосіб\n",[3098,6213,6214,6216,6218,6220,6222],{"class":3100,"line":3178},[3098,6215,5879],{"class":3104},[3098,6217,5882],{"class":3104},[3098,6219,5937],{"class":3119},[3098,6221,5812],{"class":3191},[3098,6223,4529],{"class":3112},[3098,6225,6226],{"class":3100,"line":3184},[3098,6227,3415],{"class":3112},[3098,6229,6230,6232,6234,6237,6240,6243],{"class":3100,"line":3208},[3098,6231,5258],{"class":3315},[3098,6233,3578],{"class":3112},[3098,6235,6236],{"class":3108},"_disposed",[3098,6238,6239],{"class":3112},") ",[3098,6241,6242],{"class":3315},"return",[3098,6244,3170],{"class":3112},[3098,6246,6247],{"class":3100,"line":3214},[3098,6248,3136],{"emptyLinePlaceholder":3135},[3098,6250,6251],{"class":3100,"line":3243},[3098,6252,6253],{"class":3142},"        // Async cleanup\n",[3098,6255,6256,6258,6261],{"class":3100,"line":3248},[3098,6257,4811],{"class":3104},[3098,6259,6260],{"class":3191}," FlushBuffersAsync",[3098,6262,3604],{"class":3112},[3098,6264,6265,6267,6270],{"class":3100,"line":3441},[3098,6266,4811],{"class":3104},[3098,6268,6269],{"class":3191}," CloseConnectionAsync",[3098,6271,3604],{"class":3112},[3098,6273,6274],{"class":3100,"line":3446},[3098,6275,3136],{"emptyLinePlaceholder":3135},[3098,6277,6278,6281,6283,6285],{"class":3100,"line":3452},[3098,6279,6280],{"class":3108},"        _disposed",[3098,6282,3113],{"class":3112},[3098,6284,3527],{"class":3104},[3098,6286,3170],{"class":3112},[3098,6288,6289,6292,6294,6297,6299,6302,6304],{"class":3100,"line":3471},[3098,6290,6291],{"class":3108},"        GC",[3098,6293,3017],{"class":3112},[3098,6295,6296],{"class":3191},"SuppressFinalize",[3098,6298,3195],{"class":3112},[3098,6300,6301],{"class":3104},"this",[3098,6303,3530],{"class":3112},[3098,6305,6306],{"class":3142},"// Не потрібен finalizer\n",[3098,6308,6309],{"class":3100,"line":3492},[3098,6310,3625],{"class":3112},[3098,6312,6313],{"class":3100,"line":3497},[3098,6314,3136],{"emptyLinePlaceholder":3135},[3098,6316,6317],{"class":3100,"line":3515},[3098,6318,6319],{"class":3142},"    // Sync dispose — fallback для legacy коду\n",[3098,6321,6322,6324,6327,6330],{"class":3100,"line":3536},[3098,6323,5879],{"class":3104},[3098,6325,6326],{"class":3104}," void",[3098,6328,6329],{"class":3191}," Dispose",[3098,6331,4529],{"class":3112},[3098,6333,6334],{"class":3100,"line":3561},[3098,6335,3415],{"class":3112},[3098,6337,6338,6340,6342,6344,6346,6348],{"class":3100,"line":3566},[3098,6339,5258],{"class":3315},[3098,6341,3578],{"class":3112},[3098,6343,6236],{"class":3108},[3098,6345,6239],{"class":3112},[3098,6347,6242],{"class":3315},[3098,6349,3170],{"class":3112},[3098,6351,6352],{"class":3100,"line":3572},[3098,6353,3136],{"emptyLinePlaceholder":3135},[3098,6355,6356],{"class":3100,"line":3590},[3098,6357,6358],{"class":3142},"        // Синхронне закриття (може бути менш ефективним)\n",[3098,6360,6361,6364,6366,6369,6371,6374,6376],{"class":3100,"line":3595},[3098,6362,6363],{"class":3191},"        FlushBuffersAsync",[3098,6365,5707],{"class":3112},[3098,6367,6368],{"class":3191},"GetAwaiter",[3098,6370,5707],{"class":3112},[3098,6372,6373],{"class":3191},"GetResult",[3098,6375,3509],{"class":3112},[3098,6377,6378],{"class":3142},"// Блокуюче очікування\n",[3098,6380,6381,6384,6386,6388,6390,6392],{"class":3100,"line":3607},[3098,6382,6383],{"class":3191},"        CloseConnectionAsync",[3098,6385,5707],{"class":3112},[3098,6387,6368],{"class":3191},[3098,6389,5707],{"class":3112},[3098,6391,6373],{"class":3191},[3098,6393,3604],{"class":3112},[3098,6395,6396],{"class":3100,"line":3622},[3098,6397,3136],{"emptyLinePlaceholder":3135},[3098,6399,6400,6402,6404,6406],{"class":3100,"line":3628},[3098,6401,6280],{"class":3108},[3098,6403,3113],{"class":3112},[3098,6405,3527],{"class":3104},[3098,6407,3170],{"class":3112},[3098,6409,6410,6412,6414,6416,6418,6420],{"class":3100,"line":3633},[3098,6411,6291],{"class":3108},[3098,6413,3017],{"class":3112},[3098,6415,6296],{"class":3191},[3098,6417,3195],{"class":3112},[3098,6419,6301],{"class":3104},[3098,6421,3433],{"class":3112},[3098,6423,6424],{"class":3100,"line":3647},[3098,6425,3625],{"class":3112},[3098,6427,6428],{"class":3100,"line":3653},[3098,6429,3136],{"emptyLinePlaceholder":3135},[3098,6431,6432,6434,6436,6438,6440],{"class":3100,"line":3658},[3098,6433,5856],{"class":3104},[3098,6435,5882],{"class":3104},[3098,6437,3338],{"class":3119},[3098,6439,6260],{"class":3191},[3098,6441,4529],{"class":3112},[3098,6443,6444],{"class":3100,"line":3664},[3098,6445,3415],{"class":3112},[3098,6447,6448,6450,6452,6454,6456,6458,6461,6463],{"class":3100,"line":3678},[3098,6449,4811],{"class":3104},[3098,6451,3338],{"class":3108},[3098,6453,3017],{"class":3112},[3098,6455,4818],{"class":3191},[3098,6457,3195],{"class":3112},[3098,6459,6460],{"class":3198},"50",[3098,6462,3530],{"class":3112},[3098,6464,6465],{"class":3142},"// Імітація flush\n",[3098,6467,6468,6470,6472,6474,6476,6479],{"class":3100,"line":4085},[3098,6469,5605],{"class":3108},[3098,6471,3017],{"class":3112},[3098,6473,3686],{"class":3191},[3098,6475,3195],{"class":3112},[3098,6477,6478],{"class":3233},"\"Buffers flushed\"",[3098,6480,3433],{"class":3112},[3098,6482,6483],{"class":3100,"line":4090},[3098,6484,3625],{"class":3112},[3098,6486,6487],{"class":3100,"line":4095},[3098,6488,3136],{"emptyLinePlaceholder":3135},[3098,6490,6491,6493,6495,6497,6499],{"class":3100,"line":4101},[3098,6492,5856],{"class":3104},[3098,6494,5882],{"class":3104},[3098,6496,3338],{"class":3119},[3098,6498,6269],{"class":3191},[3098,6500,4529],{"class":3112},[3098,6502,6503],{"class":3100,"line":4137},[3098,6504,3415],{"class":3112},[3098,6506,6507,6509,6511,6513,6515,6517,6519,6521],{"class":3100,"line":4143},[3098,6508,4811],{"class":3104},[3098,6510,3338],{"class":3108},[3098,6512,3017],{"class":3112},[3098,6514,4818],{"class":3191},[3098,6516,3195],{"class":3112},[3098,6518,6460],{"class":3198},[3098,6520,3530],{"class":3112},[3098,6522,6523],{"class":3142},"// Імітація close\n",[3098,6525,6526,6528,6530,6532,6534,6537],{"class":3100,"line":4148},[3098,6527,5605],{"class":3108},[3098,6529,3017],{"class":3112},[3098,6531,3686],{"class":3191},[3098,6533,3195],{"class":3112},[3098,6535,6536],{"class":3233},"\"Connection closed\"",[3098,6538,3433],{"class":3112},[3098,6540,6541],{"class":3100,"line":4180},[3098,6542,3625],{"class":3112},[3098,6544,6545],{"class":3100,"line":4229},[3098,6546,3650],{"class":3112},[4272,6548,6549,6552,6553,6556,6557,6559,6560,3702,6563,3017],{},[2989,6550,6551],{},"Deadlock Risk у Dispose()!"," Виклик ",[2968,6554,6555],{},".GetAwaiter().GetResult()"," у ",[2968,6558,4291],{}," може призвести до deadlock у UI/ASP.NET контекстах. Якщо можливо, документуйте, що споживачі мають використовувати ",[2968,6561,6562],{},"await using",[2968,6564,3316],{},[3047,6566],{},[2959,6568,6570,6571],{"id":6569},"valuetask-та-valuetask-zero-allocation-async","ValueTask та ValueTask",[3054,6572,6573],{},": Zero-Allocation Async",[3058,6575,6577],{"id":6576},"проблема-task-allocation-overhead","Проблема: Task Allocation Overhead",[2964,6579,6580,6581,6583],{},"Кожен ",[2968,6582,3026],{}," — це heap-allocated об'єкт. Для методів, що викликаються мільйони разів на секунду (hot paths у high-performance системах), це створює значний GC pressure.",[2964,6585,6586,6589],{},[2989,6587,6588],{},"Benchmark сценарій:"," Метод, що повертає кешоване значення (синхронне завершення):",[3089,6591,6593],{"className":3091,"code":6592,"language":3093,"meta":3094,"style":3094},"// ❌ Allocation: кожен виклик створює новий Task\u003Cint>\nasync Task\u003Cint> GetCachedValueAsync()\n{\n    return _cachedValue;  // Синхронне повернення, але Task все одно allocate\n}\n\n// Виклик 1,000,000 разів = 1,000,000 Task allocations\nfor (int i = 0; i \u003C 1_000_000; i++)\n{\n    int value = await GetCachedValueAsync();\n}\n",[2968,6594,6595,6600,6617,6621,6633,6637,6641,6646,6676,6680,6696],{"__ignoreMap":3094},[3098,6596,6597],{"class":3100,"line":3101},[3098,6598,6599],{"class":3142},"// ❌ Allocation: кожен виклик створює новий Task\u003Cint>\n",[3098,6601,6602,6604,6606,6608,6610,6612,6615],{"class":3100,"line":3132},[3098,6603,2970],{"class":3104},[3098,6605,3338],{"class":3119},[3098,6607,3123],{"class":3112},[3098,6609,3126],{"class":3104},[3098,6611,3155],{"class":3112},[3098,6613,6614],{"class":3191},"GetCachedValueAsync",[3098,6616,4529],{"class":3112},[3098,6618,6619],{"class":3100,"line":3139},[3098,6620,3368],{"class":3112},[3098,6622,6623,6625,6628,6630],{"class":3100,"line":3146},[3098,6624,3636],{"class":3315},[3098,6626,6627],{"class":3108}," _cachedValue",[3098,6629,3917],{"class":3112},[3098,6631,6632],{"class":3142},"// Синхронне повернення, але Task все одно allocate\n",[3098,6634,6635],{"class":3100,"line":3173},[3098,6636,3650],{"class":3112},[3098,6638,6639],{"class":3100,"line":3178},[3098,6640,3136],{"emptyLinePlaceholder":3135},[3098,6642,6643],{"class":3100,"line":3184},[3098,6644,6645],{"class":3142},"// Виклик 1,000,000 разів = 1,000,000 Task allocations\n",[3098,6647,6648,6651,6653,6655,6657,6659,6661,6663,6665,6667,6670,6672,6674],{"class":3100,"line":3208},[3098,6649,6650],{"class":3315},"for",[3098,6652,3578],{"class":3112},[3098,6654,3126],{"class":3104},[3098,6656,4773],{"class":3108},[3098,6658,3113],{"class":3112},[3098,6660,4778],{"class":3198},[3098,6662,4781],{"class":3112},[3098,6664,4784],{"class":3108},[3098,6666,4787],{"class":3112},[3098,6668,6669],{"class":3198},"1_000_000",[3098,6671,4781],{"class":3112},[3098,6673,4784],{"class":3108},[3098,6675,4797],{"class":3112},[3098,6677,6678],{"class":3100,"line":3214},[3098,6679,3368],{"class":3112},[3098,6681,6682,6684,6687,6689,6691,6694],{"class":3100,"line":3243},[3098,6683,5122],{"class":3104},[3098,6685,6686],{"class":3108}," value",[3098,6688,3113],{"class":3112},[3098,6690,2974],{"class":3104},[3098,6692,6693],{"class":3191}," GetCachedValueAsync",[3098,6695,3604],{"class":3112},[3098,6697,6698],{"class":3100,"line":3248},[3098,6699,3650],{"class":3112},[2964,6701,6702,3296,6704,6706,6707,6710,6711,6713],{},[2989,6703,5777],{},[2968,6705,3044],{}," — це ",[2968,6708,6709],{},"struct",", що може представляти як синхронне завершення (без allocation), так і асинхронне (з allocation ",[2968,6712,3026],{}," всередині).",[3058,6715,6717],{"id":6716},"анатомія-valuetask","Анатомія ValueTask",[3089,6719,6721],{"className":3091,"code":6720,"language":3093,"meta":3094,"style":3094},"public readonly struct ValueTask\u003CT>\n{\n    // Внутрішня реалізація (спрощено):\n    private readonly T _result;           // Для синхронного завершення\n    private readonly Task\u003CT>? _task;      // Для асинхронного завершення\n    private readonly bool _hasResult;     // Прапорець: синхронне чи async\n\n    // Конструктор для синхронного результату (zero allocation)\n    public ValueTask(T result) { ... }\n\n    // Конструктор для асинхронного Task (fallback)\n    public ValueTask(Task\u003CT> task) { ... }\n}\n",[2968,6722,6723,6742,6746,6751,6769,6793,6810,6814,6819,6835,6839,6844,6864],{"__ignoreMap":3094},[3098,6724,6725,6727,6729,6732,6734,6736,6739],{"class":3100,"line":3101},[3098,6726,5794],{"class":3104},[3098,6728,5859],{"class":3104},[3098,6730,6731],{"class":3104}," struct",[3098,6733,5937],{"class":3119},[3098,6735,3123],{"class":3112},[3098,6737,6738],{"class":3119},"T",[3098,6740,6741],{"class":3112},">\n",[3098,6743,6744],{"class":3100,"line":3132},[3098,6745,3368],{"class":3112},[3098,6747,6748],{"class":3100,"line":3139},[3098,6749,6750],{"class":3142},"    // Внутрішня реалізація (спрощено):\n",[3098,6752,6753,6755,6757,6760,6763,6766],{"class":3100,"line":3146},[3098,6754,5856],{"class":3104},[3098,6756,5859],{"class":3104},[3098,6758,6759],{"class":3119}," T",[3098,6761,6762],{"class":3108}," _result",[3098,6764,6765],{"class":3112},";           ",[3098,6767,6768],{"class":3142},"// Для синхронного завершення\n",[3098,6770,6771,6773,6775,6777,6779,6781,6784,6787,6790],{"class":3100,"line":3173},[3098,6772,5856],{"class":3104},[3098,6774,5859],{"class":3104},[3098,6776,3338],{"class":3119},[3098,6778,3123],{"class":3112},[3098,6780,6738],{"class":3119},[3098,6782,6783],{"class":3112},">? ",[3098,6785,6786],{"class":3108},"_task",[3098,6788,6789],{"class":3112},";      ",[3098,6791,6792],{"class":3142},"// Для асинхронного завершення\n",[3098,6794,6795,6797,6799,6801,6804,6807],{"class":3100,"line":3178},[3098,6796,5856],{"class":3104},[3098,6798,5859],{"class":3104},[3098,6800,6197],{"class":3104},[3098,6802,6803],{"class":3108}," _hasResult",[3098,6805,6806],{"class":3112},";     ",[3098,6808,6809],{"class":3142},"// Прапорець: синхронне чи async\n",[3098,6811,6812],{"class":3100,"line":3184},[3098,6813,3136],{"emptyLinePlaceholder":3135},[3098,6815,6816],{"class":3100,"line":3208},[3098,6817,6818],{"class":3142},"    // Конструктор для синхронного результату (zero allocation)\n",[3098,6820,6821,6823,6825,6827,6829,6832],{"class":3100,"line":3214},[3098,6822,5879],{"class":3104},[3098,6824,5937],{"class":3191},[3098,6826,3195],{"class":3112},[3098,6828,6738],{"class":3119},[3098,6830,6831],{"class":3108}," result",[3098,6833,6834],{"class":3112},") { ... }\n",[3098,6836,6837],{"class":3100,"line":3243},[3098,6838,3136],{"emptyLinePlaceholder":3135},[3098,6840,6841],{"class":3100,"line":3248},[3098,6842,6843],{"class":3142},"    // Конструктор для асинхронного Task (fallback)\n",[3098,6845,6846,6848,6850,6852,6854,6856,6858,6860,6862],{"class":3100,"line":3441},[3098,6847,5879],{"class":3104},[3098,6849,5937],{"class":3191},[3098,6851,3195],{"class":3112},[3098,6853,2978],{"class":3119},[3098,6855,3123],{"class":3112},[3098,6857,6738],{"class":3119},[3098,6859,3155],{"class":3112},[3098,6861,3158],{"class":3108},[3098,6863,6834],{"class":3112},[3098,6865,6866],{"class":3100,"line":3446},[3098,6867,3650],{"class":3112},[2964,6869,6870,6873,6874,6877,6878,6881,6882,3017],{},[2989,6871,6872],{},"Ключова ідея:"," Якщо результат доступний синхронно — ",[2968,6875,6876],{},"ValueTask"," тримає його у ",[2968,6879,6880],{},"_result"," (struct field, stack allocation). Якщо потрібна асинхронність — всередині створюється ",[2968,6883,3026],{},[3058,6885,6887],{"id":6886},"коли-використовувати-valuetask","Коли Використовувати ValueTask",[6889,6890,6891,6922],"field-group",{},[6892,6893,6896],"field",{"name":6894,"type":6895},"✅ Використовуйте ValueTask","scenarios",[4935,6897,6898,6904,6910,6916],{},[4938,6899,6900,6903],{},[2989,6901,6902],{},"Кешовані результати:"," Метод часто повертає значення синхронно (cache hit).",[4938,6905,6906,6909],{},[2989,6907,6908],{},"Hot paths:"," Метод викликається мільйони разів, і allocation критична.",[4938,6911,6912,6915],{},[2989,6913,6914],{},"Buffered I/O:"," Читання з буфера — синхронне, з диска — async.",[4938,6917,6918,6921],{},[2989,6919,6920],{},"Pooled connections:"," З'єднання доступне одразу — sync, інакше — async wait.",[6892,6923,6925],{"name":6924,"type":6895},"❌ НЕ використовуйте ValueTask",[4935,6926,6927,6933,6941],{},[4938,6928,6929,6932],{},[2989,6930,6931],{},"Завжди асинхронні операції:"," HTTP запити, database queries — завжди async, немає сенсу у ValueTask.",[4938,6934,6935,3296,6938,6940],{},[2989,6936,6937],{},"Публічні API бібліотек:",[2968,6939,3026],{}," простіший для споживачів, ValueTask має обмеження.",[4938,6942,6943,6946],{},[2989,6944,6945],{},"Коли не вимірювали:"," Передчасна оптимізація. Спочатку benchmark, потім ValueTask.",[3058,6948,6950],{"id":6949},"приклад-кеш-з-valuetask","Приклад: Кеш з ValueTask",[3089,6952,6955],{"className":3091,"code":6953,"filename":6954,"language":3093,"meta":3308,"style":3094},"using System.Collections.Concurrent;\n\nclass AsyncCache\u003CTKey, TValue> where TKey : notnull\n{\n    private readonly ConcurrentDictionary\u003CTKey, TValue> _cache = new();\n    private readonly Func\u003CTKey, Task\u003CTValue>> _valueFactory;\n\n    public AsyncCache(Func\u003CTKey, Task\u003CTValue>> valueFactory)\n    {\n        _valueFactory = valueFactory;\n    }\n\n    // Повертає ValueTask — синхронно якщо в кеші, async якщо ні\n    public async ValueTask\u003CTValue> GetAsync(TKey key)\n    {\n        // Cache hit — синхронне повернення (zero allocation)\n        if (_cache.TryGetValue(key, out var cached))\n        {\n            return cached;\n        }\n\n        // Cache miss — асинхронне завантаження\n        var value = await _valueFactory(key);\n        _cache[key] = value;\n        return value;\n    }\n}\n\n// Використання\nvar cache = new AsyncCache\u003Cint, string>(async id =>\n{\n    await Task.Delay(100);  // Імітація DB query\n    return $\"User_{id}\";\n});\n\n// Перший виклик — async (cache miss)\nstring user1 = await cache.GetAsync(1);  // 100ms delay\n\n// Другий виклик — sync (cache hit, zero allocation)\nstring user1Again = await cache.GetAsync(1);  // Instant, no Task allocation\n","ValueTaskCache.cs",[2968,6956,6957,6974,6978,7008,7012,7040,7068,7072,7102,7106,7117,7121,7125,7130,7156,7160,7165,7195,7199,7208,7212,7216,7221,7240,7258,7266,7270,7274,7278,7282,7312,7316,7335,7353,7357,7361,7366,7392,7396,7401],{"__ignoreMap":3094},[3098,6958,6959,6961,6963,6965,6967,6969,6972],{"class":3100,"line":3101},[3098,6960,3316],{"class":3315},[3098,6962,3319],{"class":3119},[3098,6964,3017],{"class":3112},[3098,6966,4704],{"class":3119},[3098,6968,3017],{"class":3112},[3098,6970,6971],{"class":3119},"Concurrent",[3098,6973,3170],{"class":3112},[3098,6975,6976],{"class":3100,"line":3132},[3098,6977,3136],{"emptyLinePlaceholder":3135},[3098,6979,6980,6982,6985,6987,6990,6992,6995,6997,7000,7003,7005],{"class":3100,"line":3139},[3098,6981,5838],{"class":3104},[3098,6983,6984],{"class":3119}," AsyncCache",[3098,6986,3123],{"class":3112},[3098,6988,6989],{"class":3119},"TKey",[3098,6991,2975],{"class":3112},[3098,6993,6994],{"class":3119},"TValue",[3098,6996,3155],{"class":3112},[3098,6998,6999],{"class":3104},"where",[3098,7001,7002],{"class":3119}," TKey",[3098,7004,5844],{"class":3112},[3098,7006,7007],{"class":3104},"notnull\n",[3098,7009,7010],{"class":3100,"line":3146},[3098,7011,3368],{"class":3112},[3098,7013,7014,7016,7018,7021,7023,7025,7027,7029,7031,7034,7036,7038],{"class":3100,"line":3173},[3098,7015,5856],{"class":3104},[3098,7017,5859],{"class":3104},[3098,7019,7020],{"class":3119}," ConcurrentDictionary",[3098,7022,3123],{"class":3112},[3098,7024,6989],{"class":3119},[3098,7026,2975],{"class":3112},[3098,7028,6994],{"class":3119},[3098,7030,3155],{"class":3112},[3098,7032,7033],{"class":3108},"_cache",[3098,7035,3113],{"class":3112},[3098,7037,3116],{"class":3104},[3098,7039,3604],{"class":3112},[3098,7041,7042,7044,7046,7049,7051,7053,7055,7057,7059,7061,7063,7066],{"class":3100,"line":3178},[3098,7043,5856],{"class":3104},[3098,7045,5859],{"class":3104},[3098,7047,7048],{"class":3119}," Func",[3098,7050,3123],{"class":3112},[3098,7052,6989],{"class":3119},[3098,7054,2975],{"class":3112},[3098,7056,2978],{"class":3119},[3098,7058,3123],{"class":3112},[3098,7060,6994],{"class":3119},[3098,7062,4523],{"class":3112},[3098,7064,7065],{"class":3108},"_valueFactory",[3098,7067,3170],{"class":3112},[3098,7069,7070],{"class":3100,"line":3184},[3098,7071,3136],{"emptyLinePlaceholder":3135},[3098,7073,7074,7076,7078,7080,7083,7085,7087,7089,7091,7093,7095,7097,7100],{"class":3100,"line":3208},[3098,7075,5879],{"class":3104},[3098,7077,6984],{"class":3191},[3098,7079,3195],{"class":3112},[3098,7081,7082],{"class":3119},"Func",[3098,7084,3123],{"class":3112},[3098,7086,6989],{"class":3119},[3098,7088,2975],{"class":3112},[3098,7090,2978],{"class":3119},[3098,7092,3123],{"class":3112},[3098,7094,6994],{"class":3119},[3098,7096,4523],{"class":3112},[3098,7098,7099],{"class":3108},"valueFactory",[3098,7101,3363],{"class":3112},[3098,7103,7104],{"class":3100,"line":3214},[3098,7105,3415],{"class":3112},[3098,7107,7108,7111,7113,7115],{"class":3100,"line":3243},[3098,7109,7110],{"class":3108},"        _valueFactory",[3098,7112,3113],{"class":3112},[3098,7114,7099],{"class":3108},[3098,7116,3170],{"class":3112},[3098,7118,7119],{"class":3100,"line":3248},[3098,7120,3625],{"class":3112},[3098,7122,7123],{"class":3100,"line":3441},[3098,7124,3136],{"emptyLinePlaceholder":3135},[3098,7126,7127],{"class":3100,"line":3446},[3098,7128,7129],{"class":3142},"    // Повертає ValueTask — синхронно якщо в кеші, async якщо ні\n",[3098,7131,7132,7134,7136,7138,7140,7142,7144,7147,7149,7151,7154],{"class":3100,"line":3452},[3098,7133,5879],{"class":3104},[3098,7135,5882],{"class":3104},[3098,7137,5937],{"class":3119},[3098,7139,3123],{"class":3112},[3098,7141,6994],{"class":3119},[3098,7143,3155],{"class":3112},[3098,7145,7146],{"class":3191},"GetAsync",[3098,7148,3195],{"class":3112},[3098,7150,6989],{"class":3119},[3098,7152,7153],{"class":3108}," key",[3098,7155,3363],{"class":3112},[3098,7157,7158],{"class":3100,"line":3471},[3098,7159,3415],{"class":3112},[3098,7161,7162],{"class":3100,"line":3492},[3098,7163,7164],{"class":3142},"        // Cache hit — синхронне повернення (zero allocation)\n",[3098,7166,7167,7169,7171,7173,7175,7178,7180,7183,7185,7188,7190,7193],{"class":3100,"line":3497},[3098,7168,5258],{"class":3315},[3098,7170,3578],{"class":3112},[3098,7172,7033],{"class":3108},[3098,7174,3017],{"class":3112},[3098,7176,7177],{"class":3191},"TryGetValue",[3098,7179,3195],{"class":3112},[3098,7181,7182],{"class":3108},"key",[3098,7184,2975],{"class":3112},[3098,7186,7187],{"class":3104},"out",[3098,7189,4106],{"class":3104},[3098,7191,7192],{"class":3108}," cached",[3098,7194,4888],{"class":3112},[3098,7196,7197],{"class":3100,"line":3515},[3098,7198,5289],{"class":3112},[3098,7200,7201,7204,7206],{"class":3100,"line":3536},[3098,7202,7203],{"class":3315},"            return",[3098,7205,7192],{"class":3108},[3098,7207,3170],{"class":3112},[3098,7209,7210],{"class":3100,"line":3561},[3098,7211,5318],{"class":3112},[3098,7213,7214],{"class":3100,"line":3566},[3098,7215,3136],{"emptyLinePlaceholder":3135},[3098,7217,7218],{"class":3100,"line":3572},[3098,7219,7220],{"class":3142},"        // Cache miss — асинхронне завантаження\n",[3098,7222,7223,7225,7227,7229,7231,7234,7236,7238],{"class":3100,"line":3590},[3098,7224,5176],{"class":3104},[3098,7226,6686],{"class":3108},[3098,7228,3113],{"class":3112},[3098,7230,2974],{"class":3104},[3098,7232,7233],{"class":3191}," _valueFactory",[3098,7235,3195],{"class":3112},[3098,7237,7182],{"class":3108},[3098,7239,3433],{"class":3112},[3098,7241,7242,7245,7248,7250,7253,7256],{"class":3100,"line":3595},[3098,7243,7244],{"class":3108},"        _cache",[3098,7246,7247],{"class":3112},"[",[3098,7249,7182],{"class":3108},[3098,7251,7252],{"class":3112},"] = ",[3098,7254,7255],{"class":3108},"value",[3098,7257,3170],{"class":3112},[3098,7259,7260,7262,7264],{"class":3100,"line":3607},[3098,7261,5904],{"class":3315},[3098,7263,6686],{"class":3108},[3098,7265,3170],{"class":3112},[3098,7267,7268],{"class":3100,"line":3622},[3098,7269,3625],{"class":3112},[3098,7271,7272],{"class":3100,"line":3628},[3098,7273,3650],{"class":3112},[3098,7275,7276],{"class":3100,"line":3633},[3098,7277,3136],{"emptyLinePlaceholder":3135},[3098,7279,7280],{"class":3100,"line":3647},[3098,7281,4098],{"class":3142},[3098,7283,7284,7286,7289,7291,7293,7295,7297,7299,7301,7303,7305,7307,7310],{"class":3100,"line":3653},[3098,7285,3105],{"class":3104},[3098,7287,7288],{"class":3108}," cache",[3098,7290,3113],{"class":3112},[3098,7292,3116],{"class":3104},[3098,7294,6984],{"class":3119},[3098,7296,3123],{"class":3112},[3098,7298,3126],{"class":3104},[3098,7300,2975],{"class":3112},[3098,7302,5056],{"class":3104},[3098,7304,4369],{"class":3112},[3098,7306,2970],{"class":3104},[3098,7308,7309],{"class":3108}," id",[3098,7311,3489],{"class":3112},[3098,7313,7314],{"class":3100,"line":3658},[3098,7315,3368],{"class":3112},[3098,7317,7318,7320,7322,7324,7326,7328,7330,7332],{"class":3100,"line":3664},[3098,7319,5564],{"class":3104},[3098,7321,3338],{"class":3108},[3098,7323,3017],{"class":3112},[3098,7325,4818],{"class":3191},[3098,7327,3195],{"class":3112},[3098,7329,4823],{"class":3198},[3098,7331,3530],{"class":3112},[3098,7333,7334],{"class":3142},"// Імітація DB query\n",[3098,7336,7337,7339,7342,7344,7347,7349,7351],{"class":3100,"line":3678},[3098,7338,3636],{"class":3315},[3098,7340,7341],{"class":3233}," $\"User_",[3098,7343,4196],{"class":4195},[3098,7345,7346],{"class":3108},"id",[3098,7348,4207],{"class":4195},[3098,7350,4224],{"class":3233},[3098,7352,3170],{"class":3112},[3098,7354,7355],{"class":3100,"line":4085},[3098,7356,4444],{"class":3112},[3098,7358,7359],{"class":3100,"line":4090},[3098,7360,3136],{"emptyLinePlaceholder":3135},[3098,7362,7363],{"class":3100,"line":4095},[3098,7364,7365],{"class":3142},"// Перший виклик — async (cache miss)\n",[3098,7367,7368,7370,7373,7375,7377,7379,7381,7383,7385,7387,7389],{"class":3100,"line":4101},[3098,7369,5056],{"class":3104},[3098,7371,7372],{"class":3108}," user1",[3098,7374,3113],{"class":3112},[3098,7376,2974],{"class":3104},[3098,7378,7288],{"class":3108},[3098,7380,3017],{"class":3112},[3098,7382,7146],{"class":3191},[3098,7384,3195],{"class":3112},[3098,7386,5130],{"class":3198},[3098,7388,3530],{"class":3112},[3098,7390,7391],{"class":3142},"// 100ms delay\n",[3098,7393,7394],{"class":3100,"line":4137},[3098,7395,3136],{"emptyLinePlaceholder":3135},[3098,7397,7398],{"class":3100,"line":4143},[3098,7399,7400],{"class":3142},"// Другий виклик — sync (cache hit, zero allocation)\n",[3098,7402,7403,7405,7408,7410,7412,7414,7416,7418,7420,7422,7424],{"class":3100,"line":4148},[3098,7404,5056],{"class":3104},[3098,7406,7407],{"class":3108}," user1Again",[3098,7409,3113],{"class":3112},[3098,7411,2974],{"class":3104},[3098,7413,7288],{"class":3108},[3098,7415,3017],{"class":3112},[3098,7417,7146],{"class":3191},[3098,7419,3195],{"class":3112},[3098,7421,5130],{"class":3198},[3098,7423,3530],{"class":3112},[3098,7425,7426],{"class":3142},"// Instant, no Task allocation\n",[3058,7428,7430],{"id":7429},"обмеження-valuetask","Обмеження ValueTask",[4272,7432,7433,7438],{},[2964,7434,7435],{},[2989,7436,7437],{},"Критичні правила використання ValueTask:",[7439,7440,7441,7515,7549,7563],"ol",{},[4938,7442,7443,7446,7447,7449,7450,7452,7453],{},[2989,7444,7445],{},"Await тільки один раз."," Не можна ",[2968,7448,2974],{}," той самий ",[2968,7451,6876],{}," двічі:",[3089,7454,7456],{"className":3091,"code":7455,"language":3093,"meta":3094,"style":3094},"ValueTask\u003Cint> vt = GetValueAsync();\nint result1 = await vt;  // ✅ OK\nint result2 = await vt;  // ❌ UNDEFINED BEHAVIOR!\n",[2968,7457,7458,7478,7497],{"__ignoreMap":3094},[3098,7459,7460,7462,7464,7466,7468,7471,7473,7476],{"class":3100,"line":3101},[3098,7461,6876],{"class":3119},[3098,7463,3123],{"class":3112},[3098,7465,3126],{"class":3104},[3098,7467,3155],{"class":3112},[3098,7469,7470],{"class":3108},"vt",[3098,7472,3113],{"class":3112},[3098,7474,7475],{"class":3191},"GetValueAsync",[3098,7477,3604],{"class":3112},[3098,7479,7480,7482,7485,7487,7489,7492,7494],{"class":3100,"line":3132},[3098,7481,3126],{"class":3104},[3098,7483,7484],{"class":3108}," result1",[3098,7486,3113],{"class":3112},[3098,7488,2974],{"class":3104},[3098,7490,7491],{"class":3108}," vt",[3098,7493,3917],{"class":3112},[3098,7495,7496],{"class":3142},"// ✅ OK\n",[3098,7498,7499,7501,7504,7506,7508,7510,7512],{"class":3100,"line":3139},[3098,7500,3126],{"class":3104},[3098,7502,7503],{"class":3108}," result2",[3098,7505,3113],{"class":3112},[3098,7507,2974],{"class":3104},[3098,7509,7491],{"class":3108},[3098,7511,3917],{"class":3112},[3098,7513,7514],{"class":3142},"// ❌ UNDEFINED BEHAVIOR!\n",[4938,7516,7517,7520,7521,7523,7524],{},[2989,7518,7519],{},"Не зберігайте у змінних."," Не присвоюйте ",[2968,7522,6876],{}," у поле класу або довгоживучу змінну:",[3089,7525,7527],{"className":3091,"code":7526,"language":3093,"meta":3094,"style":3094},"private ValueTask\u003Cint> _task;  // ❌ ПОГАНО!\n",[2968,7528,7529],{"__ignoreMap":3094},[3098,7530,7531,7534,7536,7538,7540,7542,7544,7546],{"class":3100,"line":3101},[3098,7532,7533],{"class":3104},"private",[3098,7535,5937],{"class":3119},[3098,7537,3123],{"class":3112},[3098,7539,3126],{"class":3104},[3098,7541,3155],{"class":3112},[3098,7543,6786],{"class":3108},[3098,7545,3917],{"class":3112},[3098,7547,7548],{"class":3142},"// ❌ ПОГАНО!\n",[4938,7550,7551,7554,7555,2975,7557,7559,7560,7562],{},[2989,7552,7553],{},"Не викликайте .Result до завершення."," На відміну від ",[2968,7556,3026],{},[2968,7558,5768],{}," на незавершеному ",[2968,7561,6876],{}," — undefined behavior.",[4938,7564,7565,7568],{},[2989,7566,7567],{},"Конвертуйте у Task якщо потрібна гнучкість:",[3089,7569,7571],{"className":3091,"code":7570,"language":3093,"meta":3094,"style":3094},"ValueTask\u003Cint> vt = GetValueAsync();\nTask\u003Cint> task = vt.AsTask();  // Тепер можна await кілька разів\n",[2968,7572,7573,7591],{"__ignoreMap":3094},[3098,7574,7575,7577,7579,7581,7583,7585,7587,7589],{"class":3100,"line":3101},[3098,7576,6876],{"class":3119},[3098,7578,3123],{"class":3112},[3098,7580,3126],{"class":3104},[3098,7582,3155],{"class":3112},[3098,7584,7470],{"class":3108},[3098,7586,3113],{"class":3112},[3098,7588,7475],{"class":3191},[3098,7590,3604],{"class":3112},[3098,7592,7593,7595,7597,7599,7601,7603,7605,7607,7609,7612,7614],{"class":3100,"line":3132},[3098,7594,2978],{"class":3119},[3098,7596,3123],{"class":3112},[3098,7598,3126],{"class":3104},[3098,7600,3155],{"class":3112},[3098,7602,3158],{"class":3108},[3098,7604,3113],{"class":3112},[3098,7606,7470],{"class":3108},[3098,7608,3017],{"class":3112},[3098,7610,7611],{"class":3191},"AsTask",[3098,7613,3509],{"class":3112},[3098,7615,7616],{"class":3142},"// Тепер можна await кілька разів\n",[3058,7618,7620],{"id":7619},"benchmark-task-vs-valuetask","Benchmark: Task vs ValueTask",[3089,7622,7625],{"className":3091,"code":7623,"filename":7624,"language":3093,"meta":3308,"style":3094},"using BenchmarkDotNet.Attributes;\nusing BenchmarkDotNet.Running;\n\n[MemoryDiagnoser]\npublic class TaskVsValueTaskBenchmark\n{\n    private int _cachedValue = 42;\n\n    [Benchmark(Baseline = true)]\n    public async Task\u003Cint> TaskBased()\n    {\n        return await GetWithTaskAsync();\n    }\n\n    [Benchmark]\n    public async ValueTask\u003Cint> ValueTaskBased()\n    {\n        return await GetWithValueTaskAsync();\n    }\n\n    private Task\u003Cint> GetWithTaskAsync()\n    {\n        // Синхронне повернення, але Task все одно allocate\n        return Task.FromResult(_cachedValue);\n    }\n\n    private ValueTask\u003Cint> GetWithValueTaskAsync()\n    {\n        // Синхронне повернення, zero allocation\n        return new ValueTask\u003Cint>(_cachedValue);\n    }\n}\n\n// Запуск: dotnet run -c Release\nBenchmarkRunner.Run\u003CTaskVsValueTaskBenchmark>();\n","Benchmark.cs",[2968,7626,7627,7641,7654,7658,7668,7678,7682,7697,7701,7720,7739,7743,7754,7758,7762,7770,7789,7793,7804,7808,7812,7829,7833,7838,7856,7860,7864,7881,7885,7890,7909,7913,7917,7921,7926],{"__ignoreMap":3094},[3098,7628,7629,7631,7634,7636,7639],{"class":3100,"line":3101},[3098,7630,3316],{"class":3315},[3098,7632,7633],{"class":3119}," BenchmarkDotNet",[3098,7635,3017],{"class":3112},[3098,7637,7638],{"class":3119},"Attributes",[3098,7640,3170],{"class":3112},[3098,7642,7643,7645,7647,7649,7652],{"class":3100,"line":3132},[3098,7644,3316],{"class":3315},[3098,7646,7633],{"class":3119},[3098,7648,3017],{"class":3112},[3098,7650,7651],{"class":3119},"Running",[3098,7653,3170],{"class":3112},[3098,7655,7656],{"class":3100,"line":3139},[3098,7657,3136],{"emptyLinePlaceholder":3135},[3098,7659,7660,7662,7665],{"class":3100,"line":3146},[3098,7661,7247],{"class":3112},[3098,7663,7664],{"class":3119},"MemoryDiagnoser",[3098,7666,7667],{"class":3112},"]\n",[3098,7669,7670,7672,7675],{"class":3100,"line":3173},[3098,7671,5794],{"class":3104},[3098,7673,7674],{"class":3104}," class",[3098,7676,7677],{"class":3119}," TaskVsValueTaskBenchmark\n",[3098,7679,7680],{"class":3100,"line":3178},[3098,7681,3368],{"class":3112},[3098,7683,7684,7686,7689,7691,7693,7695],{"class":3100,"line":3184},[3098,7685,5856],{"class":3104},[3098,7687,7688],{"class":3104}," int",[3098,7690,6627],{"class":3108},[3098,7692,3113],{"class":3112},[3098,7694,3199],{"class":3198},[3098,7696,3170],{"class":3112},[3098,7698,7699],{"class":3100,"line":3208},[3098,7700,3136],{"emptyLinePlaceholder":3135},[3098,7702,7703,7705,7708,7710,7713,7715,7717],{"class":3100,"line":3214},[3098,7704,5097],{"class":3112},[3098,7706,7707],{"class":3119},"Benchmark",[3098,7709,3195],{"class":3112},[3098,7711,7712],{"class":3108},"Baseline",[3098,7714,3113],{"class":3112},[3098,7716,3527],{"class":3104},[3098,7718,7719],{"class":3112},")]\n",[3098,7721,7722,7724,7726,7728,7730,7732,7734,7737],{"class":3100,"line":3243},[3098,7723,5879],{"class":3104},[3098,7725,5882],{"class":3104},[3098,7727,3338],{"class":3119},[3098,7729,3123],{"class":3112},[3098,7731,3126],{"class":3104},[3098,7733,3155],{"class":3112},[3098,7735,7736],{"class":3191},"TaskBased",[3098,7738,4529],{"class":3112},[3098,7740,7741],{"class":3100,"line":3248},[3098,7742,3415],{"class":3112},[3098,7744,7745,7747,7749,7752],{"class":3100,"line":3441},[3098,7746,5904],{"class":3315},[3098,7748,5907],{"class":3104},[3098,7750,7751],{"class":3191}," GetWithTaskAsync",[3098,7753,3604],{"class":3112},[3098,7755,7756],{"class":3100,"line":3446},[3098,7757,3625],{"class":3112},[3098,7759,7760],{"class":3100,"line":3452},[3098,7761,3136],{"emptyLinePlaceholder":3135},[3098,7763,7764,7766,7768],{"class":3100,"line":3471},[3098,7765,5097],{"class":3112},[3098,7767,7707],{"class":3119},[3098,7769,7667],{"class":3112},[3098,7771,7772,7774,7776,7778,7780,7782,7784,7787],{"class":3100,"line":3492},[3098,7773,5879],{"class":3104},[3098,7775,5882],{"class":3104},[3098,7777,5937],{"class":3119},[3098,7779,3123],{"class":3112},[3098,7781,3126],{"class":3104},[3098,7783,3155],{"class":3112},[3098,7785,7786],{"class":3191},"ValueTaskBased",[3098,7788,4529],{"class":3112},[3098,7790,7791],{"class":3100,"line":3497},[3098,7792,3415],{"class":3112},[3098,7794,7795,7797,7799,7802],{"class":3100,"line":3515},[3098,7796,5904],{"class":3315},[3098,7798,5907],{"class":3104},[3098,7800,7801],{"class":3191}," GetWithValueTaskAsync",[3098,7803,3604],{"class":3112},[3098,7805,7806],{"class":3100,"line":3536},[3098,7807,3625],{"class":3112},[3098,7809,7810],{"class":3100,"line":3561},[3098,7811,3136],{"emptyLinePlaceholder":3135},[3098,7813,7814,7816,7818,7820,7822,7824,7827],{"class":3100,"line":3566},[3098,7815,5856],{"class":3104},[3098,7817,3338],{"class":3119},[3098,7819,3123],{"class":3112},[3098,7821,3126],{"class":3104},[3098,7823,3155],{"class":3112},[3098,7825,7826],{"class":3191},"GetWithTaskAsync",[3098,7828,4529],{"class":3112},[3098,7830,7831],{"class":3100,"line":3572},[3098,7832,3415],{"class":3112},[3098,7834,7835],{"class":3100,"line":3590},[3098,7836,7837],{"class":3142},"        // Синхронне повернення, але Task все одно allocate\n",[3098,7839,7840,7842,7844,7846,7849,7851,7854],{"class":3100,"line":3595},[3098,7841,5904],{"class":3315},[3098,7843,3338],{"class":3108},[3098,7845,3017],{"class":3112},[3098,7847,7848],{"class":3191},"FromResult",[3098,7850,3195],{"class":3112},[3098,7852,7853],{"class":3108},"_cachedValue",[3098,7855,3433],{"class":3112},[3098,7857,7858],{"class":3100,"line":3607},[3098,7859,3625],{"class":3112},[3098,7861,7862],{"class":3100,"line":3622},[3098,7863,3136],{"emptyLinePlaceholder":3135},[3098,7865,7866,7868,7870,7872,7874,7876,7879],{"class":3100,"line":3628},[3098,7867,5856],{"class":3104},[3098,7869,5937],{"class":3119},[3098,7871,3123],{"class":3112},[3098,7873,3126],{"class":3104},[3098,7875,3155],{"class":3112},[3098,7877,7878],{"class":3191},"GetWithValueTaskAsync",[3098,7880,4529],{"class":3112},[3098,7882,7883],{"class":3100,"line":3633},[3098,7884,3415],{"class":3112},[3098,7886,7887],{"class":3100,"line":3647},[3098,7888,7889],{"class":3142},"        // Синхронне повернення, zero allocation\n",[3098,7891,7892,7894,7897,7899,7901,7903,7905,7907],{"class":3100,"line":3653},[3098,7893,5904],{"class":3315},[3098,7895,7896],{"class":3104}," new",[3098,7898,5937],{"class":3119},[3098,7900,3123],{"class":3112},[3098,7902,3126],{"class":3104},[3098,7904,4369],{"class":3112},[3098,7906,7853],{"class":3108},[3098,7908,3433],{"class":3112},[3098,7910,7911],{"class":3100,"line":3658},[3098,7912,3625],{"class":3112},[3098,7914,7915],{"class":3100,"line":3664},[3098,7916,3650],{"class":3112},[3098,7918,7919],{"class":3100,"line":3678},[3098,7920,3136],{"emptyLinePlaceholder":3135},[3098,7922,7923],{"class":3100,"line":4085},[3098,7924,7925],{"class":3142},"// Запуск: dotnet run -c Release\n",[3098,7927,7928,7931,7933,7936,7938,7941],{"class":3100,"line":4090},[3098,7929,7930],{"class":3108},"BenchmarkRunner",[3098,7932,3017],{"class":3112},[3098,7934,7935],{"class":3191},"Run",[3098,7937,3123],{"class":3112},[3098,7939,7940],{"class":3119},"TaskVsValueTaskBenchmark",[3098,7942,3129],{"class":3112},[7944,7945,7947,7968,7985,8013],"terminal-preview",{"title":7946},"Benchmark Results",[7948,7949,7951,7956,7957,7960,7961,7964,7965],"div",{"className":7950},[3100],[3098,7952,7955],{"className":7953},[7954],"opacity-40","|"," Method          ",[3098,7958,7955],{"className":7959},[7954]," Mean      ",[3098,7962,7955],{"className":7963},[7954]," Allocated ",[3098,7966,7955],{"className":7967},[7954],[7948,7969,7971,7974,7975,7978,7979,7978,7982],{"className":7970},[3100],[3098,7972,7955],{"className":7973},[7954]," --------------- ",[3098,7976,7955],{"className":7977},[7954]," --------- ",[3098,7980,7955],{"className":7981},[7954],[3098,7983,7955],{"className":7984},[7954],[7948,7986,7988,7991,7992,3296,7995,8000,8001,3296,8004,8009,8010],{"className":7987},[3100],[3098,7989,7955],{"className":7990},[7954]," TaskBased       ",[3098,7993,7955],{"className":7994},[7954],[3098,7996,7999],{"className":7997},[7998],"text-yellow-400","45.2 ns","   ",[3098,8002,7955],{"className":8003},[7954],[3098,8005,8008],{"className":8006},[8007],"text-rose-400","32 B","      ",[3098,8011,7955],{"className":8012},[7954],[7948,8014,8016,8019,8020,3296,8023,8000,8028,3296,8031,8036,8037],{"className":8015},[3100],[3098,8017,7955],{"className":8018},[7954]," ValueTaskBased  ",[3098,8021,7955],{"className":8022},[7954],[3098,8024,8027],{"className":8025},[8026],"text-green-400","12.8 ns",[3098,8029,7955],{"className":8030},[7954],[3098,8032,8035],{"className":8033},[8026,8034],"font-bold","0 B","       ",[3098,8038,7955],{"className":8039},[7954],[2964,8041,8042,8045],{},[2989,8043,8044],{},"Висновок:"," ValueTask у 3.5 рази швидший і не створює allocation для синхронних шляхів.",[3047,8047],{},[2959,8049,8051],{"id":8050},"best-practices-повний-список","Best Practices: Повний Список",[3058,8053,8055],{"id":8054},"async-void-тільки-для-event-handlers","❌ Async Void — Тільки для Event Handlers",[3089,8057,8059],{"className":3091,"code":8058,"language":3093,"meta":3094,"style":3094},"// ❌ ПОГАНО: async void у звичайному методі\nasync void ProcessDataAsync()  // Exceptions \"втрачаються\"!\n{\n    await Task.Delay(100);\n    throw new Exception(\"Boom\");  // Падіння всього процесу\n}\n\n// ✅ ДОБРЕ: async Task\nasync Task ProcessDataAsync()\n{\n    await Task.Delay(100);\n    throw new Exception(\"Boom\");  // Exception можна catch через await\n}\n\n// ✅ ВИНЯТОК: event handlers\nbutton.Click += async (sender, e) =>  // async void OK тут\n{\n    await LoadDataAsync();\n};\n",[2968,8060,8061,8066,8081,8085,8101,8120,8124,8128,8133,8143,8147,8163,8180,8184,8188,8193,8222,8226,8235],{"__ignoreMap":3094},[3098,8062,8063],{"class":3100,"line":3101},[3098,8064,8065],{"class":3142},"// ❌ ПОГАНО: async void у звичайному методі\n",[3098,8067,8068,8070,8072,8075,8078],{"class":3100,"line":3132},[3098,8069,2970],{"class":3104},[3098,8071,6326],{"class":3104},[3098,8073,8074],{"class":3191}," ProcessDataAsync",[3098,8076,8077],{"class":3112},"()  ",[3098,8079,8080],{"class":3142},"// Exceptions \"втрачаються\"!\n",[3098,8082,8083],{"class":3100,"line":3139},[3098,8084,3368],{"class":3112},[3098,8086,8087,8089,8091,8093,8095,8097,8099],{"class":3100,"line":3146},[3098,8088,5564],{"class":3104},[3098,8090,3338],{"class":3108},[3098,8092,3017],{"class":3112},[3098,8094,4818],{"class":3191},[3098,8096,3195],{"class":3112},[3098,8098,4823],{"class":3198},[3098,8100,3433],{"class":3112},[3098,8102,8103,8106,8108,8110,8112,8115,8117],{"class":3100,"line":3173},[3098,8104,8105],{"class":3315},"    throw",[3098,8107,7896],{"class":3104},[3098,8109,3228],{"class":3119},[3098,8111,3195],{"class":3112},[3098,8113,8114],{"class":3233},"\"Boom\"",[3098,8116,3530],{"class":3112},[3098,8118,8119],{"class":3142},"// Падіння всього процесу\n",[3098,8121,8122],{"class":3100,"line":3178},[3098,8123,3650],{"class":3112},[3098,8125,8126],{"class":3100,"line":3184},[3098,8127,3136],{"emptyLinePlaceholder":3135},[3098,8129,8130],{"class":3100,"line":3208},[3098,8131,8132],{"class":3142},"// ✅ ДОБРЕ: async Task\n",[3098,8134,8135,8137,8139,8141],{"class":3100,"line":3214},[3098,8136,2970],{"class":3104},[3098,8138,3338],{"class":3119},[3098,8140,8074],{"class":3191},[3098,8142,4529],{"class":3112},[3098,8144,8145],{"class":3100,"line":3243},[3098,8146,3368],{"class":3112},[3098,8148,8149,8151,8153,8155,8157,8159,8161],{"class":3100,"line":3248},[3098,8150,5564],{"class":3104},[3098,8152,3338],{"class":3108},[3098,8154,3017],{"class":3112},[3098,8156,4818],{"class":3191},[3098,8158,3195],{"class":3112},[3098,8160,4823],{"class":3198},[3098,8162,3433],{"class":3112},[3098,8164,8165,8167,8169,8171,8173,8175,8177],{"class":3100,"line":3441},[3098,8166,8105],{"class":3315},[3098,8168,7896],{"class":3104},[3098,8170,3228],{"class":3119},[3098,8172,3195],{"class":3112},[3098,8174,8114],{"class":3233},[3098,8176,3530],{"class":3112},[3098,8178,8179],{"class":3142},"// Exception можна catch через await\n",[3098,8181,8182],{"class":3100,"line":3446},[3098,8183,3650],{"class":3112},[3098,8185,8186],{"class":3100,"line":3452},[3098,8187,3136],{"emptyLinePlaceholder":3135},[3098,8189,8190],{"class":3100,"line":3471},[3098,8191,8192],{"class":3142},"// ✅ ВИНЯТОК: event handlers\n",[3098,8194,8195,8198,8200,8203,8205,8207,8209,8212,8214,8216,8219],{"class":3100,"line":3492},[3098,8196,8197],{"class":3108},"button",[3098,8199,3017],{"class":3112},[3098,8201,8202],{"class":3108},"Click",[3098,8204,3966],{"class":3112},[3098,8206,2970],{"class":3104},[3098,8208,3578],{"class":3112},[3098,8210,8211],{"class":3108},"sender",[3098,8213,2975],{"class":3112},[3098,8215,3943],{"class":3108},[3098,8217,8218],{"class":3112},") =>  ",[3098,8220,8221],{"class":3142},"// async void OK тут\n",[3098,8223,8224],{"class":3100,"line":3497},[3098,8225,3368],{"class":3112},[3098,8227,8228,8230,8233],{"class":3100,"line":3515},[3098,8229,5564],{"class":3104},[3098,8231,8232],{"class":3191}," LoadDataAsync",[3098,8234,3604],{"class":3112},[3098,8236,8237],{"class":3100,"line":3536},[3098,8238,8239],{"class":3112},"};\n",[8241,8242,8243,8246,8247,8250,8251,8254,8255,8258],"caution",{},[2989,8244,8245],{},"Чому async void небезпечний?"," Exception у ",[2968,8248,8249],{},"async void"," методі не можна catch через ",[2968,8252,8253],{},"try/catch"," навколо виклику. Exception потрапляє у ",[2968,8256,8257],{},"TaskScheduler.UnobservedTaskException"," або падає весь процес.",[3058,8260,8262],{"id":8261},"result-wait-deadlock-гарантовано","❌ .Result / .Wait() — Deadlock Гарантовано",[3089,8264,8266],{"className":3091,"code":8265,"language":3093,"meta":3094,"style":3094},"// ❌ ПОГАНО: блокуюче очікування у UI/ASP.NET\npublic void ButtonClick()\n{\n    var result = GetDataAsync().Result;  // DEADLOCK у UI thread!\n}\n\n// ✅ ДОБРЕ: async all the way\npublic async void ButtonClick()  // async void OK для event handler\n{\n    var result = await GetDataAsync();\n}\n",[2968,8267,8268,8273,8284,8288,8308,8312,8316,8321,8336,8340,8355],{"__ignoreMap":3094},[3098,8269,8270],{"class":3100,"line":3101},[3098,8271,8272],{"class":3142},"// ❌ ПОГАНО: блокуюче очікування у UI/ASP.NET\n",[3098,8274,8275,8277,8279,8282],{"class":3100,"line":3132},[3098,8276,5794],{"class":3104},[3098,8278,6326],{"class":3104},[3098,8280,8281],{"class":3191}," ButtonClick",[3098,8283,4529],{"class":3112},[3098,8285,8286],{"class":3100,"line":3139},[3098,8287,3368],{"class":3112},[3098,8289,8290,8292,8294,8296,8299,8301,8303,8305],{"class":3100,"line":3146},[3098,8291,3373],{"class":3104},[3098,8293,6831],{"class":3108},[3098,8295,3113],{"class":3112},[3098,8297,8298],{"class":3191},"GetDataAsync",[3098,8300,5707],{"class":3112},[3098,8302,4433],{"class":3108},[3098,8304,3917],{"class":3112},[3098,8306,8307],{"class":3142},"// DEADLOCK у UI thread!\n",[3098,8309,8310],{"class":3100,"line":3173},[3098,8311,3650],{"class":3112},[3098,8313,8314],{"class":3100,"line":3178},[3098,8315,3136],{"emptyLinePlaceholder":3135},[3098,8317,8318],{"class":3100,"line":3184},[3098,8319,8320],{"class":3142},"// ✅ ДОБРЕ: async all the way\n",[3098,8322,8323,8325,8327,8329,8331,8333],{"class":3100,"line":3208},[3098,8324,5794],{"class":3104},[3098,8326,5882],{"class":3104},[3098,8328,6326],{"class":3104},[3098,8330,8281],{"class":3191},[3098,8332,8077],{"class":3112},[3098,8334,8335],{"class":3142},"// async void OK для event handler\n",[3098,8337,8338],{"class":3100,"line":3214},[3098,8339,3368],{"class":3112},[3098,8341,8342,8344,8346,8348,8350,8353],{"class":3100,"line":3243},[3098,8343,3373],{"class":3104},[3098,8345,6831],{"class":3108},[3098,8347,3113],{"class":3112},[3098,8349,2974],{"class":3104},[3098,8351,8352],{"class":3191}," GetDataAsync",[3098,8354,3604],{"class":3112},[3098,8356,8357],{"class":3100,"line":3248},[3098,8358,3650],{"class":3112},[3058,8360,8362],{"id":8361},"taskrun-у-aspnet-fake-async","❌ Task.Run() у ASP.NET — Fake Async",[3089,8364,8366],{"className":3091,"code":8365,"language":3093,"meta":3094,"style":3094},"// ❌ ПОГАНО: \"fake async\" у ASP.NET\npublic async Task\u003CIActionResult> GetUsers()\n{\n    return await Task.Run(() =>  // Марнує ThreadPool потік!\n    {\n        var users = _db.Users.ToList();  // Синхронний EF Core\n        return Ok(users);\n    });\n}\n\n// ✅ ДОБРЕ: справжній async\npublic async Task\u003CIActionResult> GetUsers()\n{\n    var users = await _db.Users.ToListAsync();  // Async EF Core\n    return Ok(users);\n}\n",[2968,8367,8368,8373,8393,8397,8415,8419,8445,8458,8462,8466,8470,8475,8493,8497,8524,8536],{"__ignoreMap":3094},[3098,8369,8370],{"class":3100,"line":3101},[3098,8371,8372],{"class":3142},"// ❌ ПОГАНО: \"fake async\" у ASP.NET\n",[3098,8374,8375,8377,8379,8381,8383,8386,8388,8391],{"class":3100,"line":3132},[3098,8376,5794],{"class":3104},[3098,8378,5882],{"class":3104},[3098,8380,3338],{"class":3119},[3098,8382,3123],{"class":3112},[3098,8384,8385],{"class":3119},"IActionResult",[3098,8387,3155],{"class":3112},[3098,8389,8390],{"class":3191},"GetUsers",[3098,8392,4529],{"class":3112},[3098,8394,8395],{"class":3100,"line":3139},[3098,8396,3368],{"class":3112},[3098,8398,8399,8401,8403,8405,8407,8409,8412],{"class":3100,"line":3146},[3098,8400,3636],{"class":3315},[3098,8402,5907],{"class":3104},[3098,8404,3338],{"class":3108},[3098,8406,3017],{"class":3112},[3098,8408,7935],{"class":3191},[3098,8410,8411],{"class":3112},"(() =>  ",[3098,8413,8414],{"class":3142},"// Марнує ThreadPool потік!\n",[3098,8416,8417],{"class":3100,"line":3173},[3098,8418,3415],{"class":3112},[3098,8420,8421,8423,8425,8427,8430,8432,8435,8437,8440,8442],{"class":3100,"line":3178},[3098,8422,5176],{"class":3104},[3098,8424,4540],{"class":3108},[3098,8426,3113],{"class":3112},[3098,8428,8429],{"class":3108},"_db",[3098,8431,3017],{"class":3112},[3098,8433,8434],{"class":3108},"Users",[3098,8436,3017],{"class":3112},[3098,8438,8439],{"class":3191},"ToList",[3098,8441,3509],{"class":3112},[3098,8443,8444],{"class":3142},"// Синхронний EF Core\n",[3098,8446,8447,8449,8452,8454,8456],{"class":3100,"line":3184},[3098,8448,5904],{"class":3315},[3098,8450,8451],{"class":3191}," Ok",[3098,8453,3195],{"class":3112},[3098,8455,5263],{"class":3108},[3098,8457,3433],{"class":3112},[3098,8459,8460],{"class":3100,"line":3208},[3098,8461,3438],{"class":3112},[3098,8463,8464],{"class":3100,"line":3214},[3098,8465,3650],{"class":3112},[3098,8467,8468],{"class":3100,"line":3243},[3098,8469,3136],{"emptyLinePlaceholder":3135},[3098,8471,8472],{"class":3100,"line":3248},[3098,8473,8474],{"class":3142},"// ✅ ДОБРЕ: справжній async\n",[3098,8476,8477,8479,8481,8483,8485,8487,8489,8491],{"class":3100,"line":3441},[3098,8478,5794],{"class":3104},[3098,8480,5882],{"class":3104},[3098,8482,3338],{"class":3119},[3098,8484,3123],{"class":3112},[3098,8486,8385],{"class":3119},[3098,8488,3155],{"class":3112},[3098,8490,8390],{"class":3191},[3098,8492,4529],{"class":3112},[3098,8494,8495],{"class":3100,"line":3446},[3098,8496,3368],{"class":3112},[3098,8498,8499,8501,8503,8505,8507,8510,8512,8514,8516,8519,8521],{"class":3100,"line":3452},[3098,8500,3373],{"class":3104},[3098,8502,4540],{"class":3108},[3098,8504,3113],{"class":3112},[3098,8506,2974],{"class":3104},[3098,8508,8509],{"class":3108}," _db",[3098,8511,3017],{"class":3112},[3098,8513,8434],{"class":3108},[3098,8515,3017],{"class":3112},[3098,8517,8518],{"class":3191},"ToListAsync",[3098,8520,3509],{"class":3112},[3098,8522,8523],{"class":3142},"// Async EF Core\n",[3098,8525,8526,8528,8530,8532,8534],{"class":3100,"line":3471},[3098,8527,3636],{"class":3315},[3098,8529,8451],{"class":3191},[3098,8531,3195],{"class":3112},[3098,8533,5263],{"class":3108},[3098,8535,3433],{"class":3112},[3098,8537,8538],{"class":3100,"line":3492},[3098,8539,3650],{"class":3112},[3695,8541,8542,8545,8546,8548,8549,8552,8553,8556,8557,5583],{},[2989,8543,8544],{},"Чому Task.Run() погано у ASP.NET?"," ASP.NET request вже виконується на ThreadPool потоці. ",[2968,8547,3079],{}," бере ",[2989,8550,8551],{},"другий"," потік з пулу, щоб виконати синхронну роботу — це марнування ресурсів. Використовуйте справжні async API (EF Core ",[2968,8554,8555],{},"*Async",", ADO.NET ",[2968,8558,8555],{},[3058,8560,8562],{"id":8561},"configureawaitfalse-у-бібліотеках","✅ ConfigureAwait(false) у Бібліотеках",[3089,8564,8566],{"className":3091,"code":8565,"language":3093,"meta":3094,"style":3094},"// Бібліотечний код — НЕ потребує повернення на UI thread\npublic async Task\u003Cstring> FetchDataAsync()\n{\n    var response = await _http.GetStringAsync(url).ConfigureAwait(false);\n    var processed = await ProcessAsync(response).ConfigureAwait(false);\n    return processed;\n}\n\n// UI код — потребує повернення на UI thread\nprivate async void Button_Click(object sender, EventArgs e)\n{\n    var data = await FetchDataAsync();  // Без ConfigureAwait\n    textBox.Text = data;  // Доступ до UI — потрібен UI thread\n}\n",[2968,8567,8568,8573,8591,8595,8626,8654,8662,8666,8670,8675,8701,8705,8723,8741],{"__ignoreMap":3094},[3098,8569,8570],{"class":3100,"line":3101},[3098,8571,8572],{"class":3142},"// Бібліотечний код — НЕ потребує повернення на UI thread\n",[3098,8574,8575,8577,8579,8581,8583,8585,8587,8589],{"class":3100,"line":3132},[3098,8576,5794],{"class":3104},[3098,8578,5882],{"class":3104},[3098,8580,3338],{"class":3119},[3098,8582,3123],{"class":3112},[3098,8584,5056],{"class":3104},[3098,8586,3155],{"class":3112},[3098,8588,5893],{"class":3191},[3098,8590,4529],{"class":3112},[3098,8592,8593],{"class":3100,"line":3139},[3098,8594,3368],{"class":3112},[3098,8596,8597,8599,8601,8603,8605,8607,8609,8611,8613,8616,8618,8620,8622,8624],{"class":3100,"line":3146},[3098,8598,3373],{"class":3104},[3098,8600,5179],{"class":3108},[3098,8602,3113],{"class":3112},[3098,8604,2974],{"class":3104},[3098,8606,5864],{"class":3108},[3098,8608,3017],{"class":3112},[3098,8610,5190],{"class":3191},[3098,8612,3195],{"class":3112},[3098,8614,8615],{"class":3108},"url",[3098,8617,5583],{"class":3112},[3098,8619,5681],{"class":3191},[3098,8621,3195],{"class":3112},[3098,8623,3716],{"class":3104},[3098,8625,3433],{"class":3112},[3098,8627,8628,8630,8633,8635,8637,8640,8642,8644,8646,8648,8650,8652],{"class":3100,"line":3173},[3098,8629,3373],{"class":3104},[3098,8631,8632],{"class":3108}," processed",[3098,8634,3113],{"class":3112},[3098,8636,2974],{"class":3104},[3098,8638,8639],{"class":3191}," ProcessAsync",[3098,8641,3195],{"class":3112},[3098,8643,5247],{"class":3108},[3098,8645,5583],{"class":3112},[3098,8647,5681],{"class":3191},[3098,8649,3195],{"class":3112},[3098,8651,3716],{"class":3104},[3098,8653,3433],{"class":3112},[3098,8655,8656,8658,8660],{"class":3100,"line":3178},[3098,8657,3636],{"class":3315},[3098,8659,8632],{"class":3108},[3098,8661,3170],{"class":3112},[3098,8663,8664],{"class":3100,"line":3184},[3098,8665,3650],{"class":3112},[3098,8667,8668],{"class":3100,"line":3208},[3098,8669,3136],{"emptyLinePlaceholder":3135},[3098,8671,8672],{"class":3100,"line":3214},[3098,8673,8674],{"class":3142},"// UI код — потребує повернення на UI thread\n",[3098,8676,8677,8679,8681,8683,8686,8688,8690,8692,8694,8697,8699],{"class":3100,"line":3243},[3098,8678,7533],{"class":3104},[3098,8680,5882],{"class":3104},[3098,8682,6326],{"class":3104},[3098,8684,8685],{"class":3191}," Button_Click",[3098,8687,3195],{"class":3112},[3098,8689,3884],{"class":3104},[3098,8691,3887],{"class":3108},[3098,8693,2975],{"class":3112},[3098,8695,8696],{"class":3119},"EventArgs",[3098,8698,3894],{"class":3108},[3098,8700,3363],{"class":3112},[3098,8702,8703],{"class":3100,"line":3248},[3098,8704,3368],{"class":3112},[3098,8706,8707,8709,8711,8713,8715,8718,8720],{"class":3100,"line":3441},[3098,8708,3373],{"class":3104},[3098,8710,6061],{"class":3108},[3098,8712,3113],{"class":3112},[3098,8714,2974],{"class":3104},[3098,8716,8717],{"class":3191}," FetchDataAsync",[3098,8719,3509],{"class":3112},[3098,8721,8722],{"class":3142},"// Без ConfigureAwait\n",[3098,8724,8725,8728,8730,8732,8734,8736,8738],{"class":3100,"line":3446},[3098,8726,8727],{"class":3108},"    textBox",[3098,8729,3017],{"class":3112},[3098,8731,4997],{"class":3108},[3098,8733,3113],{"class":3112},[3098,8735,6086],{"class":3108},[3098,8737,3917],{"class":3112},[3098,8739,8740],{"class":3142},"// Доступ до UI — потрібен UI thread\n",[3098,8742,8743],{"class":3100,"line":3452},[3098,8744,3650],{"class":3112},[3058,8746,8748],{"id":8747},"cancellationtoken-скрізь","✅ CancellationToken Скрізь",[3089,8750,8752],{"className":3091,"code":8751,"language":3093,"meta":3094,"style":3094},"// ✅ ДОБРЕ: кожен async метод приймає CancellationToken\npublic async Task\u003CList\u003CUser>> GetUsersAsync(CancellationToken ct = default)\n{\n    var response = await _http.GetAsync(\"/users\", ct);\n    var users = await response.Content.ReadFromJsonAsync\u003CList\u003CUser>>(ct);\n    return users;\n}\n\n// Споживач може скасувати операцію\nusing var cts = new CancellationTokenSource(TimeSpan.FromSeconds(5));\ntry\n{\n    var users = await GetUsersAsync(cts.Token);\n}\ncatch (OperationCanceledException)\n{\n    Console.WriteLine(\"Запит скасовано через таймаут\");\n}\n",[2968,8753,8754,8759,8792,8796,8823,8859,8867,8871,8875,8880,8909,8913,8917,8940,8944,8954,8958,8973],{"__ignoreMap":3094},[3098,8755,8756],{"class":3100,"line":3101},[3098,8757,8758],{"class":3142},"// ✅ ДОБРЕ: кожен async метод приймає CancellationToken\n",[3098,8760,8761,8763,8765,8767,8769,8771,8773,8775,8777,8780,8782,8784,8786,8788,8790],{"class":3100,"line":3132},[3098,8762,5794],{"class":3104},[3098,8764,5882],{"class":3104},[3098,8766,3338],{"class":3119},[3098,8768,3123],{"class":3112},[3098,8770,4515],{"class":3119},[3098,8772,3123],{"class":3112},[3098,8774,4520],{"class":3119},[3098,8776,4523],{"class":3112},[3098,8778,8779],{"class":3191},"GetUsersAsync",[3098,8781,3195],{"class":3112},[3098,8783,3016],{"class":3119},[3098,8785,3355],{"class":3108},[3098,8787,3113],{"class":3112},[3098,8789,3360],{"class":3104},[3098,8791,3363],{"class":3112},[3098,8793,8794],{"class":3100,"line":3139},[3098,8795,3368],{"class":3112},[3098,8797,8798,8800,8802,8804,8806,8808,8810,8812,8814,8817,8819,8821],{"class":3100,"line":3146},[3098,8799,3373],{"class":3104},[3098,8801,5179],{"class":3108},[3098,8803,3113],{"class":3112},[3098,8805,2974],{"class":3104},[3098,8807,5864],{"class":3108},[3098,8809,3017],{"class":3112},[3098,8811,7146],{"class":3191},[3098,8813,3195],{"class":3112},[3098,8815,8816],{"class":3233},"\"/users\"",[3098,8818,2975],{"class":3112},[3098,8820,3430],{"class":3108},[3098,8822,3433],{"class":3112},[3098,8824,8825,8827,8829,8831,8833,8835,8837,8840,8842,8845,8847,8849,8851,8853,8855,8857],{"class":3100,"line":3173},[3098,8826,3373],{"class":3104},[3098,8828,4540],{"class":3108},[3098,8830,3113],{"class":3112},[3098,8832,2974],{"class":3104},[3098,8834,5179],{"class":3108},[3098,8836,3017],{"class":3112},[3098,8838,8839],{"class":3108},"Content",[3098,8841,3017],{"class":3112},[3098,8843,8844],{"class":3191},"ReadFromJsonAsync",[3098,8846,3123],{"class":3112},[3098,8848,4515],{"class":3119},[3098,8850,3123],{"class":3112},[3098,8852,4520],{"class":3119},[3098,8854,5244],{"class":3112},[3098,8856,3430],{"class":3108},[3098,8858,3433],{"class":3112},[3098,8860,8861,8863,8865],{"class":3100,"line":3178},[3098,8862,3636],{"class":3315},[3098,8864,4540],{"class":3108},[3098,8866,3170],{"class":3112},[3098,8868,8869],{"class":3100,"line":3184},[3098,8870,3650],{"class":3112},[3098,8872,8873],{"class":3100,"line":3208},[3098,8874,3136],{"emptyLinePlaceholder":3135},[3098,8876,8877],{"class":3100,"line":3214},[3098,8878,8879],{"class":3142},"// Споживач може скасувати операцію\n",[3098,8881,8882,8884,8886,8888,8890,8892,8894,8896,8898,8900,8902,8904,8907],{"class":3100,"line":3243},[3098,8883,3316],{"class":3315},[3098,8885,4106],{"class":3104},[3098,8887,4109],{"class":3108},[3098,8889,3113],{"class":3112},[3098,8891,3116],{"class":3104},[3098,8893,4116],{"class":3119},[3098,8895,3195],{"class":3112},[3098,8897,4121],{"class":3108},[3098,8899,3017],{"class":3112},[3098,8901,4126],{"class":3191},[3098,8903,3195],{"class":3112},[3098,8905,8906],{"class":3198},"5",[3098,8908,4134],{"class":3112},[3098,8910,8911],{"class":3100,"line":3248},[3098,8912,4140],{"class":3315},[3098,8914,8915],{"class":3100,"line":3441},[3098,8916,3368],{"class":3112},[3098,8918,8919,8921,8923,8925,8927,8930,8932,8934,8936,8938],{"class":3100,"line":3446},[3098,8920,3373],{"class":3104},[3098,8922,4540],{"class":3108},[3098,8924,3113],{"class":3112},[3098,8926,2974],{"class":3104},[3098,8928,8929],{"class":3191}," GetUsersAsync",[3098,8931,3195],{"class":3112},[3098,8933,4170],{"class":3108},[3098,8935,3017],{"class":3112},[3098,8937,4175],{"class":3108},[3098,8939,3433],{"class":3112},[3098,8941,8942],{"class":3100,"line":3452},[3098,8943,3650],{"class":3112},[3098,8945,8946,8948,8950,8952],{"class":3100,"line":3471},[3098,8947,4237],{"class":3315},[3098,8949,3578],{"class":3112},[3098,8951,4242],{"class":3119},[3098,8953,3363],{"class":3112},[3098,8955,8956],{"class":3100,"line":3492},[3098,8957,3368],{"class":3112},[3098,8959,8960,8962,8964,8966,8968,8971],{"class":3100,"line":3497},[3098,8961,4183],{"class":3108},[3098,8963,3017],{"class":3112},[3098,8965,3686],{"class":3191},[3098,8967,3195],{"class":3112},[3098,8969,8970],{"class":3233},"\"Запит скасовано через таймаут\"",[3098,8972,3433],{"class":3112},[3098,8974,8975],{"class":3100,"line":3515},[3098,8976,3650],{"class":3112},[3058,8978,8980],{"id":8979},"prefer-valuetask-для-hot-paths","✅ Prefer ValueTask для Hot Paths",[3089,8982,8984],{"className":3091,"code":8983,"language":3093,"meta":3094,"style":3094},"// Метод викликається мільйони разів — використовуйте ValueTask\npublic ValueTask\u003Cint> GetCountAsync()\n{\n    if (_cache.TryGetValue(\"count\", out int cached))\n        return new ValueTask\u003Cint>(cached);  // Sync path, zero allocation\n\n    return new ValueTask\u003Cint>(LoadCountFromDbAsync());  // Async path\n}\n\nasync Task\u003Cint> LoadCountFromDbAsync()\n{\n    // Реальна async робота\n    return await _db.QuerySingleAsync\u003Cint>(\"SELECT COUNT(*) FROM Users\");\n}\n",[2968,8985,8986,8991,9008,9012,9039,9061,9065,9088,9092,9096,9112,9116,9121,9145],{"__ignoreMap":3094},[3098,8987,8988],{"class":3100,"line":3101},[3098,8989,8990],{"class":3142},"// Метод викликається мільйони разів — використовуйте ValueTask\n",[3098,8992,8993,8995,8997,8999,9001,9003,9006],{"class":3100,"line":3132},[3098,8994,5794],{"class":3104},[3098,8996,5937],{"class":3119},[3098,8998,3123],{"class":3112},[3098,9000,3126],{"class":3104},[3098,9002,3155],{"class":3112},[3098,9004,9005],{"class":3191},"GetCountAsync",[3098,9007,4529],{"class":3112},[3098,9009,9010],{"class":3100,"line":3139},[3098,9011,3368],{"class":3112},[3098,9013,9014,9016,9018,9020,9022,9024,9026,9029,9031,9033,9035,9037],{"class":3100,"line":3146},[3098,9015,3575],{"class":3315},[3098,9017,3578],{"class":3112},[3098,9019,7033],{"class":3108},[3098,9021,3017],{"class":3112},[3098,9023,7177],{"class":3191},[3098,9025,3195],{"class":3112},[3098,9027,9028],{"class":3233},"\"count\"",[3098,9030,2975],{"class":3112},[3098,9032,7187],{"class":3104},[3098,9034,7688],{"class":3104},[3098,9036,7192],{"class":3108},[3098,9038,4888],{"class":3112},[3098,9040,9041,9043,9045,9047,9049,9051,9053,9056,9058],{"class":3100,"line":3173},[3098,9042,5904],{"class":3315},[3098,9044,7896],{"class":3104},[3098,9046,5937],{"class":3119},[3098,9048,3123],{"class":3112},[3098,9050,3126],{"class":3104},[3098,9052,4369],{"class":3112},[3098,9054,9055],{"class":3108},"cached",[3098,9057,3530],{"class":3112},[3098,9059,9060],{"class":3142},"// Sync path, zero allocation\n",[3098,9062,9063],{"class":3100,"line":3178},[3098,9064,3136],{"emptyLinePlaceholder":3135},[3098,9066,9067,9069,9071,9073,9075,9077,9079,9082,9085],{"class":3100,"line":3184},[3098,9068,3636],{"class":3315},[3098,9070,7896],{"class":3104},[3098,9072,5937],{"class":3119},[3098,9074,3123],{"class":3112},[3098,9076,3126],{"class":3104},[3098,9078,4369],{"class":3112},[3098,9080,9081],{"class":3191},"LoadCountFromDbAsync",[3098,9083,9084],{"class":3112},"());  ",[3098,9086,9087],{"class":3142},"// Async path\n",[3098,9089,9090],{"class":3100,"line":3208},[3098,9091,3650],{"class":3112},[3098,9093,9094],{"class":3100,"line":3214},[3098,9095,3136],{"emptyLinePlaceholder":3135},[3098,9097,9098,9100,9102,9104,9106,9108,9110],{"class":3100,"line":3243},[3098,9099,2970],{"class":3104},[3098,9101,3338],{"class":3119},[3098,9103,3123],{"class":3112},[3098,9105,3126],{"class":3104},[3098,9107,3155],{"class":3112},[3098,9109,9081],{"class":3191},[3098,9111,4529],{"class":3112},[3098,9113,9114],{"class":3100,"line":3248},[3098,9115,3368],{"class":3112},[3098,9117,9118],{"class":3100,"line":3441},[3098,9119,9120],{"class":3142},"    // Реальна async робота\n",[3098,9122,9123,9125,9127,9129,9131,9134,9136,9138,9140,9143],{"class":3100,"line":3446},[3098,9124,3636],{"class":3315},[3098,9126,5907],{"class":3104},[3098,9128,8509],{"class":3108},[3098,9130,3017],{"class":3112},[3098,9132,9133],{"class":3191},"QuerySingleAsync",[3098,9135,3123],{"class":3112},[3098,9137,3126],{"class":3104},[3098,9139,4369],{"class":3112},[3098,9141,9142],{"class":3233},"\"SELECT COUNT(*) FROM Users\"",[3098,9144,3433],{"class":3112},[3098,9146,9147],{"class":3100,"line":3452},[3098,9148,3650],{"class":3112},[3047,9150],{},[2959,9152,9154],{"id":9153},"common-pitfalls-типові-пастки","Common Pitfalls: Типові Пастки",[3058,9156,9158],{"id":9157},"sync-over-async-result-та-getawaitergetresult","Sync-over-Async: .Result та .GetAwaiter().GetResult()",[2964,9160,9161,9163],{},[2989,9162,3295],{}," Блокуюче очікування async операції у синхронному контексті.",[3089,9165,9167],{"className":3091,"code":9166,"language":3093,"meta":3094,"style":3094},"// ❌ АНТИПАТЕРН: sync-over-async\npublic string GetData()\n{\n    // Deadlock у UI/ASP.NET, thread starvation у консолі\n    return GetDataAsync().Result;\n}\n\n// ✅ РІШЕННЯ 1: Зробіть метод async\npublic async Task\u003Cstring> GetDataAsync()\n{\n    return await FetchFromApiAsync();\n}\n\n// ✅ РІШЕННЯ 2: Якщо НЕМОЖЛИВО зробити async (legacy constraint)\npublic string GetData()\n{\n    // Використовуйте Task.Run + .GetAwaiter().GetResult() як останній варіант\n    return Task.Run(async () => await GetDataAsync()).GetAwaiter().GetResult();\n}\n",[2968,9168,9169,9174,9186,9190,9195,9207,9211,9215,9220,9238,9242,9253,9257,9261,9266,9276,9280,9285,9317],{"__ignoreMap":3094},[3098,9170,9171],{"class":3100,"line":3101},[3098,9172,9173],{"class":3142},"// ❌ АНТИПАТЕРН: sync-over-async\n",[3098,9175,9176,9178,9181,9184],{"class":3100,"line":3132},[3098,9177,5794],{"class":3104},[3098,9179,9180],{"class":3104}," string",[3098,9182,9183],{"class":3191}," GetData",[3098,9185,4529],{"class":3112},[3098,9187,9188],{"class":3100,"line":3139},[3098,9189,3368],{"class":3112},[3098,9191,9192],{"class":3100,"line":3146},[3098,9193,9194],{"class":3142},"    // Deadlock у UI/ASP.NET, thread starvation у консолі\n",[3098,9196,9197,9199,9201,9203,9205],{"class":3100,"line":3173},[3098,9198,3636],{"class":3315},[3098,9200,8352],{"class":3191},[3098,9202,5707],{"class":3112},[3098,9204,4433],{"class":3108},[3098,9206,3170],{"class":3112},[3098,9208,9209],{"class":3100,"line":3178},[3098,9210,3650],{"class":3112},[3098,9212,9213],{"class":3100,"line":3184},[3098,9214,3136],{"emptyLinePlaceholder":3135},[3098,9216,9217],{"class":3100,"line":3208},[3098,9218,9219],{"class":3142},"// ✅ РІШЕННЯ 1: Зробіть метод async\n",[3098,9221,9222,9224,9226,9228,9230,9232,9234,9236],{"class":3100,"line":3214},[3098,9223,5794],{"class":3104},[3098,9225,5882],{"class":3104},[3098,9227,3338],{"class":3119},[3098,9229,3123],{"class":3112},[3098,9231,5056],{"class":3104},[3098,9233,3155],{"class":3112},[3098,9235,8298],{"class":3191},[3098,9237,4529],{"class":3112},[3098,9239,9240],{"class":3100,"line":3243},[3098,9241,3368],{"class":3112},[3098,9243,9244,9246,9248,9251],{"class":3100,"line":3248},[3098,9245,3636],{"class":3315},[3098,9247,5907],{"class":3104},[3098,9249,9250],{"class":3191}," FetchFromApiAsync",[3098,9252,3604],{"class":3112},[3098,9254,9255],{"class":3100,"line":3441},[3098,9256,3650],{"class":3112},[3098,9258,9259],{"class":3100,"line":3446},[3098,9260,3136],{"emptyLinePlaceholder":3135},[3098,9262,9263],{"class":3100,"line":3452},[3098,9264,9265],{"class":3142},"// ✅ РІШЕННЯ 2: Якщо НЕМОЖЛИВО зробити async (legacy constraint)\n",[3098,9267,9268,9270,9272,9274],{"class":3100,"line":3471},[3098,9269,5794],{"class":3104},[3098,9271,9180],{"class":3104},[3098,9273,9183],{"class":3191},[3098,9275,4529],{"class":3112},[3098,9277,9278],{"class":3100,"line":3492},[3098,9279,3368],{"class":3112},[3098,9281,9282],{"class":3100,"line":3497},[3098,9283,9284],{"class":3142},"    // Використовуйте Task.Run + .GetAwaiter().GetResult() як останній варіант\n",[3098,9286,9287,9289,9291,9293,9295,9297,9299,9302,9304,9306,9309,9311,9313,9315],{"class":3100,"line":3515},[3098,9288,3636],{"class":3315},[3098,9290,3338],{"class":3108},[3098,9292,3017],{"class":3112},[3098,9294,7935],{"class":3191},[3098,9296,3195],{"class":3112},[3098,9298,2970],{"class":3104},[3098,9300,9301],{"class":3112}," () => ",[3098,9303,2974],{"class":3104},[3098,9305,8352],{"class":3191},[3098,9307,9308],{"class":3112},"()).",[3098,9310,6368],{"class":3191},[3098,9312,5707],{"class":3112},[3098,9314,6373],{"class":3191},[3098,9316,3604],{"class":3112},[3098,9318,9319],{"class":3100,"line":3536},[3098,9320,3650],{"class":3112},[4272,9322,9323,9326,9327,9329,9330,9332,9333,9335],{},[2989,9324,9325],{},"Deadlock Mechanism:"," У UI/ASP.NET контекстах ",[2968,9328,2981],{}," гарантує, що continuation після ",[2968,9331,2974],{}," виконається на тому ж потоці. Якщо цей потік заблокований через ",[2968,9334,5768],{}," — continuation ніколи не виконається, бо потік чекає на Task, а Task чекає на потік.",[3058,9337,9339],{"id":9338},"fire-and-forget-забуті-task","Fire-and-Forget: Забуті Task",[2964,9341,9342,9344],{},[2989,9343,3295],{}," Запуск async операції без очікування результату — exceptions губляться.",[3089,9346,9348],{"className":3091,"code":9347,"language":3093,"meta":3094,"style":3094},"// ❌ ПОГАНО: exception у LogAsync губиться\npublic void ProcessRequest()\n{\n    LogAsync();  // Compiler warning CS4014: \"Because this call is not awaited...\"\n    // Якщо LogAsync кине exception — ніхто не дізнається\n}\n\n// ✅ РІШЕННЯ 1: Await якщо можливо\npublic async Task ProcessRequestAsync()\n{\n    await LogAsync();\n}\n\n// ✅ РІШЕННЯ 2: Явний fire-and-forget з обробкою помилок\npublic void ProcessRequest()\n{\n    _ = LogAndForgetAsync();  // Явно ігноруємо Task\n}\n\nasync Task LogAndForgetAsync()\n{\n    try\n    {\n        await LogAsync();\n    }\n    catch (Exception ex)\n    {\n        // Логуємо помилку у безпечне місце\n        Console.Error.WriteLine($\"Log failed: {ex}\");\n    }\n}\n",[2968,9349,9350,9355,9366,9370,9380,9385,9389,9393,9398,9411,9415,9424,9428,9432,9437,9447,9451,9466,9470,9474,9485,9489,9494,9498,9506,9510,9525,9529,9534,9563,9567],{"__ignoreMap":3094},[3098,9351,9352],{"class":3100,"line":3101},[3098,9353,9354],{"class":3142},"// ❌ ПОГАНО: exception у LogAsync губиться\n",[3098,9356,9357,9359,9361,9364],{"class":3100,"line":3132},[3098,9358,5794],{"class":3104},[3098,9360,6326],{"class":3104},[3098,9362,9363],{"class":3191}," ProcessRequest",[3098,9365,4529],{"class":3112},[3098,9367,9368],{"class":3100,"line":3139},[3098,9369,3368],{"class":3112},[3098,9371,9372,9375,9377],{"class":3100,"line":3146},[3098,9373,9374],{"class":3191},"    LogAsync",[3098,9376,3509],{"class":3112},[3098,9378,9379],{"class":3142},"// Compiler warning CS4014: \"Because this call is not awaited...\"\n",[3098,9381,9382],{"class":3100,"line":3173},[3098,9383,9384],{"class":3142},"    // Якщо LogAsync кине exception — ніхто не дізнається\n",[3098,9386,9387],{"class":3100,"line":3178},[3098,9388,3650],{"class":3112},[3098,9390,9391],{"class":3100,"line":3184},[3098,9392,3136],{"emptyLinePlaceholder":3135},[3098,9394,9395],{"class":3100,"line":3208},[3098,9396,9397],{"class":3142},"// ✅ РІШЕННЯ 1: Await якщо можливо\n",[3098,9399,9400,9402,9404,9406,9409],{"class":3100,"line":3214},[3098,9401,5794],{"class":3104},[3098,9403,5882],{"class":3104},[3098,9405,3338],{"class":3119},[3098,9407,9408],{"class":3191}," ProcessRequestAsync",[3098,9410,4529],{"class":3112},[3098,9412,9413],{"class":3100,"line":3243},[3098,9414,3368],{"class":3112},[3098,9416,9417,9419,9422],{"class":3100,"line":3248},[3098,9418,5564],{"class":3104},[3098,9420,9421],{"class":3191}," LogAsync",[3098,9423,3604],{"class":3112},[3098,9425,9426],{"class":3100,"line":3441},[3098,9427,3650],{"class":3112},[3098,9429,9430],{"class":3100,"line":3446},[3098,9431,3136],{"emptyLinePlaceholder":3135},[3098,9433,9434],{"class":3100,"line":3452},[3098,9435,9436],{"class":3142},"// ✅ РІШЕННЯ 2: Явний fire-and-forget з обробкою помилок\n",[3098,9438,9439,9441,9443,9445],{"class":3100,"line":3471},[3098,9440,5794],{"class":3104},[3098,9442,6326],{"class":3104},[3098,9444,9363],{"class":3191},[3098,9446,4529],{"class":3112},[3098,9448,9449],{"class":3100,"line":3492},[3098,9450,3368],{"class":3112},[3098,9452,9453,9456,9458,9461,9463],{"class":3100,"line":3497},[3098,9454,9455],{"class":3108},"    _",[3098,9457,3113],{"class":3112},[3098,9459,9460],{"class":3191},"LogAndForgetAsync",[3098,9462,3509],{"class":3112},[3098,9464,9465],{"class":3142},"// Явно ігноруємо Task\n",[3098,9467,9468],{"class":3100,"line":3515},[3098,9469,3650],{"class":3112},[3098,9471,9472],{"class":3100,"line":3536},[3098,9473,3136],{"emptyLinePlaceholder":3135},[3098,9475,9476,9478,9480,9483],{"class":3100,"line":3561},[3098,9477,2970],{"class":3104},[3098,9479,3338],{"class":3119},[3098,9481,9482],{"class":3191}," LogAndForgetAsync",[3098,9484,4529],{"class":3112},[3098,9486,9487],{"class":3100,"line":3566},[3098,9488,3368],{"class":3112},[3098,9490,9491],{"class":3100,"line":3572},[3098,9492,9493],{"class":3315},"    try\n",[3098,9495,9496],{"class":3100,"line":3590},[3098,9497,3415],{"class":3112},[3098,9499,9500,9502,9504],{"class":3100,"line":3595},[3098,9501,4811],{"class":3104},[3098,9503,9421],{"class":3191},[3098,9505,3604],{"class":3112},[3098,9507,9508],{"class":3100,"line":3607},[3098,9509,3625],{"class":3112},[3098,9511,9512,9515,9517,9520,9523],{"class":3100,"line":3622},[3098,9513,9514],{"class":3315},"    catch",[3098,9516,3578],{"class":3112},[3098,9518,9519],{"class":3119},"Exception",[3098,9521,9522],{"class":3108}," ex",[3098,9524,3363],{"class":3112},[3098,9526,9527],{"class":3100,"line":3628},[3098,9528,3415],{"class":3112},[3098,9530,9531],{"class":3100,"line":3633},[3098,9532,9533],{"class":3142},"        // Логуємо помилку у безпечне місце\n",[3098,9535,9536,9538,9540,9543,9545,9547,9549,9552,9554,9557,9559,9561],{"class":3100,"line":3647},[3098,9537,5605],{"class":3108},[3098,9539,3017],{"class":3112},[3098,9541,9542],{"class":3108},"Error",[3098,9544,3017],{"class":3112},[3098,9546,3686],{"class":3191},[3098,9548,3195],{"class":3112},[3098,9550,9551],{"class":3233},"$\"Log failed: ",[3098,9553,4196],{"class":4195},[3098,9555,9556],{"class":3108},"ex",[3098,9558,4207],{"class":4195},[3098,9560,4224],{"class":3233},[3098,9562,3433],{"class":3112},[3098,9564,9565],{"class":3100,"line":3653},[3098,9566,3625],{"class":3112},[3098,9568,9569],{"class":3100,"line":3658},[3098,9570,3650],{"class":3112},[3058,9572,9574,9575],{"id":9573},"lazytask-lazy-async-initialization","Lazy\u003CTask",[3054,9576,9577],{},">: Lazy Async Initialization",[2964,9579,9580,9582],{},[2989,9581,3295],{}," Потрібна ледача ініціалізація async ресурсу (виконується один раз при першому зверненні).",[3089,9584,9587],{"className":3091,"code":9585,"filename":9586,"language":3093,"meta":3308,"style":3094},"class ExpensiveResource\n{\n    // ❌ ПОГАНО: Lazy\u003CT> не підтримує async\n    private readonly Lazy\u003CTask\u003Cstring>> _data = new(() =>\n    {\n        // Не можемо використати await тут!\n        return LoadDataAsync();\n    });\n\n    // ✅ ДОБРЕ: Lazy\u003CTask\u003CT>> pattern\n    private readonly Lazy\u003CTask\u003Cstring>> _dataLazy = new(async () =>\n    {\n        await Task.Delay(1000);  // Імітація дорогої операції\n        return \"Expensive data\";\n    });\n\n    public Task\u003Cstring> GetDataAsync()\n    {\n        // Перший виклик — запускає async ініціалізацію\n        // Наступні виклики — повертають той самий Task\n        return _dataLazy.Value;\n    }\n}\n\n// Використання\nvar resource = new ExpensiveResource();\nstring data1 = await resource.GetDataAsync();  // 1 секунда затримки\nstring data2 = await resource.GetDataAsync();  // Instant — той самий Task\n","LazyAsyncInit.cs",[2968,9588,9589,9596,9600,9605,9633,9637,9642,9650,9654,9658,9663,9695,9699,9719,9728,9732,9736,9752,9756,9761,9766,9780,9784,9788,9792,9796,9811,9833],{"__ignoreMap":3094},[3098,9590,9591,9593],{"class":3100,"line":3101},[3098,9592,5838],{"class":3104},[3098,9594,9595],{"class":3119}," ExpensiveResource\n",[3098,9597,9598],{"class":3100,"line":3132},[3098,9599,3368],{"class":3112},[3098,9601,9602],{"class":3100,"line":3139},[3098,9603,9604],{"class":3142},"    // ❌ ПОГАНО: Lazy\u003CT> не підтримує async\n",[3098,9606,9607,9609,9611,9614,9616,9618,9620,9622,9624,9627,9629,9631],{"class":3100,"line":3146},[3098,9608,5856],{"class":3104},[3098,9610,5859],{"class":3104},[3098,9612,9613],{"class":3119}," Lazy",[3098,9615,3123],{"class":3112},[3098,9617,2978],{"class":3119},[3098,9619,3123],{"class":3112},[3098,9621,5056],{"class":3104},[3098,9623,4523],{"class":3112},[3098,9625,9626],{"class":3108},"_data",[3098,9628,3113],{"class":3112},[3098,9630,3116],{"class":3104},[3098,9632,3410],{"class":3112},[3098,9634,9635],{"class":3100,"line":3173},[3098,9636,3415],{"class":3112},[3098,9638,9639],{"class":3100,"line":3178},[3098,9640,9641],{"class":3142},"        // Не можемо використати await тут!\n",[3098,9643,9644,9646,9648],{"class":3100,"line":3184},[3098,9645,5904],{"class":3315},[3098,9647,8232],{"class":3191},[3098,9649,3604],{"class":3112},[3098,9651,9652],{"class":3100,"line":3208},[3098,9653,3438],{"class":3112},[3098,9655,9656],{"class":3100,"line":3214},[3098,9657,3136],{"emptyLinePlaceholder":3135},[3098,9659,9660],{"class":3100,"line":3243},[3098,9661,9662],{"class":3142},"    // ✅ ДОБРЕ: Lazy\u003CTask\u003CT>> pattern\n",[3098,9664,9665,9667,9669,9671,9673,9675,9677,9679,9681,9684,9686,9688,9690,9692],{"class":3100,"line":3248},[3098,9666,5856],{"class":3104},[3098,9668,5859],{"class":3104},[3098,9670,9613],{"class":3119},[3098,9672,3123],{"class":3112},[3098,9674,2978],{"class":3119},[3098,9676,3123],{"class":3112},[3098,9678,5056],{"class":3104},[3098,9680,4523],{"class":3112},[3098,9682,9683],{"class":3108},"_dataLazy",[3098,9685,3113],{"class":3112},[3098,9687,3116],{"class":3104},[3098,9689,3195],{"class":3112},[3098,9691,2970],{"class":3104},[3098,9693,9694],{"class":3112}," () =>\n",[3098,9696,9697],{"class":3100,"line":3441},[3098,9698,3415],{"class":3112},[3098,9700,9701,9703,9705,9707,9709,9711,9714,9716],{"class":3100,"line":3446},[3098,9702,4811],{"class":3104},[3098,9704,3338],{"class":3108},[3098,9706,3017],{"class":3112},[3098,9708,4818],{"class":3191},[3098,9710,3195],{"class":3112},[3098,9712,9713],{"class":3198},"1000",[3098,9715,3530],{"class":3112},[3098,9717,9718],{"class":3142},"// Імітація дорогої операції\n",[3098,9720,9721,9723,9726],{"class":3100,"line":3452},[3098,9722,5904],{"class":3315},[3098,9724,9725],{"class":3233}," \"Expensive data\"",[3098,9727,3170],{"class":3112},[3098,9729,9730],{"class":3100,"line":3471},[3098,9731,3438],{"class":3112},[3098,9733,9734],{"class":3100,"line":3492},[3098,9735,3136],{"emptyLinePlaceholder":3135},[3098,9737,9738,9740,9742,9744,9746,9748,9750],{"class":3100,"line":3497},[3098,9739,5879],{"class":3104},[3098,9741,3338],{"class":3119},[3098,9743,3123],{"class":3112},[3098,9745,5056],{"class":3104},[3098,9747,3155],{"class":3112},[3098,9749,8298],{"class":3191},[3098,9751,4529],{"class":3112},[3098,9753,9754],{"class":3100,"line":3515},[3098,9755,3415],{"class":3112},[3098,9757,9758],{"class":3100,"line":3536},[3098,9759,9760],{"class":3142},"        // Перший виклик — запускає async ініціалізацію\n",[3098,9762,9763],{"class":3100,"line":3561},[3098,9764,9765],{"class":3142},"        // Наступні виклики — повертають той самий Task\n",[3098,9767,9768,9770,9773,9775,9778],{"class":3100,"line":3566},[3098,9769,5904],{"class":3315},[3098,9771,9772],{"class":3108}," _dataLazy",[3098,9774,3017],{"class":3112},[3098,9776,9777],{"class":3108},"Value",[3098,9779,3170],{"class":3112},[3098,9781,9782],{"class":3100,"line":3572},[3098,9783,3625],{"class":3112},[3098,9785,9786],{"class":3100,"line":3590},[3098,9787,3650],{"class":3112},[3098,9789,9790],{"class":3100,"line":3595},[3098,9791,3136],{"emptyLinePlaceholder":3135},[3098,9793,9794],{"class":3100,"line":3607},[3098,9795,4098],{"class":3142},[3098,9797,9798,9800,9802,9804,9806,9809],{"class":3100,"line":3622},[3098,9799,3105],{"class":3104},[3098,9801,6041],{"class":3108},[3098,9803,3113],{"class":3112},[3098,9805,3116],{"class":3104},[3098,9807,9808],{"class":3119}," ExpensiveResource",[3098,9810,3604],{"class":3112},[3098,9812,9813,9815,9818,9820,9822,9824,9826,9828,9830],{"class":3100,"line":3628},[3098,9814,5056],{"class":3104},[3098,9816,9817],{"class":3108}," data1",[3098,9819,3113],{"class":3112},[3098,9821,2974],{"class":3104},[3098,9823,6041],{"class":3108},[3098,9825,3017],{"class":3112},[3098,9827,8298],{"class":3191},[3098,9829,3509],{"class":3112},[3098,9831,9832],{"class":3142},"// 1 секунда затримки\n",[3098,9834,9835,9837,9840,9842,9844,9846,9848,9850,9852],{"class":3100,"line":3633},[3098,9836,5056],{"class":3104},[3098,9838,9839],{"class":3108}," data2",[3098,9841,3113],{"class":3112},[3098,9843,2974],{"class":3104},[3098,9845,6041],{"class":3108},[3098,9847,3017],{"class":3112},[3098,9849,8298],{"class":3191},[3098,9851,3509],{"class":3112},[3098,9853,9854],{"class":3142},"// Instant — той самий Task\n",[4469,9856,9857,9863,9864,9867,9868,9871],{},[2989,9858,9859,9860],{},"AsyncLazy",[3054,9861,9862],{}," з Nito.AsyncEx:"," Бібліотека ",[2968,9865,9866],{},"Nito.AsyncEx"," надає ",[2968,9869,9870],{},"AsyncLazy\u003CT>"," — спеціалізовану реалізацію для async lazy initialization з правильною обробкою exceptions та cancellation.",[3058,9873,9875],{"id":9874},"retry-pattern-з-async","Retry Pattern з Async",[2964,9877,9878,9880],{},[2989,9879,3295],{}," Потрібно повторити async операцію N разів при помилці.",[3089,9882,9885],{"className":3091,"code":9883,"filename":9884,"language":3093,"meta":3308,"style":3094},"static async Task\u003CT> RetryAsync\u003CT>(\n    Func\u003CTask\u003CT>> operation,\n    int maxRetries = 3,\n    TimeSpan? delay = null,\n    CancellationToken ct = default)\n{\n    delay ??= TimeSpan.FromSeconds(1);\n\n    for (int attempt = 1; attempt \u003C= maxRetries; attempt++)\n    {\n        try\n        {\n            return await operation();\n        }\n        catch (Exception ex) when (attempt \u003C maxRetries)\n        {\n            Console.WriteLine($\"Спроба {attempt} невдала: {ex.Message}. Повтор через {delay}...\");\n            await Task.Delay(delay.Value, ct);\n        }\n    }\n\n    // Останній attempt без catch — exception пробросується\n    return await operation();\n}\n\n// Використання\nvar result = await RetryAsync(\n    operation: async () =>\n    {\n        var response = await httpClient.GetAsync(\"https://flaky-api.com/data\");\n        response.EnsureSuccessStatusCode();\n        return await response.Content.ReadAsStringAsync();\n    },\n    maxRetries: 5,\n    delay: TimeSpan.FromSeconds(2)\n);\n","RetryPattern.cs",[2968,9886,9887,9911,9931,9945,9961,9973,9977,9997,10001,10033,10037,10042,10046,10057,10061,10087,10091,10139,10164,10168,10172,10176,10181,10191,10195,10199,10203,10218,10230,10234,10258,10270,10289,10294,10305,10324],{"__ignoreMap":3094},[3098,9888,9889,9891,9893,9895,9897,9899,9901,9904,9906,9908],{"class":3100,"line":3101},[3098,9890,3335],{"class":3104},[3098,9892,5882],{"class":3104},[3098,9894,3338],{"class":3119},[3098,9896,3123],{"class":3112},[3098,9898,6738],{"class":3119},[3098,9900,3155],{"class":3112},[3098,9902,9903],{"class":3191},"RetryAsync",[3098,9905,3123],{"class":3112},[3098,9907,6738],{"class":3119},[3098,9909,9910],{"class":3112},">(\n",[3098,9912,9913,9916,9918,9920,9922,9924,9926,9929],{"class":3100,"line":3132},[3098,9914,9915],{"class":3119},"    Func",[3098,9917,3123],{"class":3112},[3098,9919,2978],{"class":3119},[3098,9921,3123],{"class":3112},[3098,9923,6738],{"class":3119},[3098,9925,4523],{"class":3112},[3098,9927,9928],{"class":3108},"operation",[3098,9930,3787],{"class":3112},[3098,9932,9933,9935,9938,9940,9943],{"class":3100,"line":3139},[3098,9934,5122],{"class":3104},[3098,9936,9937],{"class":3108}," maxRetries",[3098,9939,3113],{"class":3112},[3098,9941,9942],{"class":3198},"3",[3098,9944,3787],{"class":3112},[3098,9946,9947,9950,9952,9955,9957,9959],{"class":3100,"line":3146},[3098,9948,9949],{"class":3119},"    TimeSpan",[3098,9951,3458],{"class":3112},[3098,9953,9954],{"class":3108},"delay",[3098,9956,3113],{"class":3112},[3098,9958,3466],{"class":3104},[3098,9960,3787],{"class":3112},[3098,9962,9963,9965,9967,9969,9971],{"class":3100,"line":3173},[3098,9964,3792],{"class":3119},[3098,9966,3355],{"class":3108},[3098,9968,3113],{"class":3112},[3098,9970,3360],{"class":3104},[3098,9972,3363],{"class":3112},[3098,9974,9975],{"class":3100,"line":3178},[3098,9976,3368],{"class":3112},[3098,9978,9979,9982,9985,9987,9989,9991,9993,9995],{"class":3100,"line":3184},[3098,9980,9981],{"class":3108},"    delay",[3098,9983,9984],{"class":3112}," ??= ",[3098,9986,4121],{"class":3108},[3098,9988,3017],{"class":3112},[3098,9990,4126],{"class":3191},[3098,9992,3195],{"class":3112},[3098,9994,5130],{"class":3198},[3098,9996,3433],{"class":3112},[3098,9998,9999],{"class":3100,"line":3208},[3098,10000,3136],{"emptyLinePlaceholder":3135},[3098,10002,10003,10005,10007,10009,10012,10014,10016,10018,10021,10024,10027,10029,10031],{"class":3100,"line":3214},[3098,10004,4766],{"class":3315},[3098,10006,3578],{"class":3112},[3098,10008,3126],{"class":3104},[3098,10010,10011],{"class":3108}," attempt",[3098,10013,3113],{"class":3112},[3098,10015,5130],{"class":3198},[3098,10017,4781],{"class":3112},[3098,10019,10020],{"class":3108},"attempt",[3098,10022,10023],{"class":3112}," \u003C= ",[3098,10025,10026],{"class":3108},"maxRetries",[3098,10028,4781],{"class":3112},[3098,10030,10020],{"class":3108},[3098,10032,4797],{"class":3112},[3098,10034,10035],{"class":3100,"line":3243},[3098,10036,3415],{"class":3112},[3098,10038,10039],{"class":3100,"line":3248},[3098,10040,10041],{"class":3315},"        try\n",[3098,10043,10044],{"class":3100,"line":3441},[3098,10045,5289],{"class":3112},[3098,10047,10048,10050,10052,10055],{"class":3100,"line":3446},[3098,10049,7203],{"class":3315},[3098,10051,5907],{"class":3104},[3098,10053,10054],{"class":3191}," operation",[3098,10056,3604],{"class":3112},[3098,10058,10059],{"class":3100,"line":3452},[3098,10060,5318],{"class":3112},[3098,10062,10063,10066,10068,10070,10072,10074,10077,10079,10081,10083,10085],{"class":3100,"line":3471},[3098,10064,10065],{"class":3315},"        catch",[3098,10067,3578],{"class":3112},[3098,10069,9519],{"class":3119},[3098,10071,9522],{"class":3108},[3098,10073,6239],{"class":3112},[3098,10075,10076],{"class":3315},"when",[3098,10078,3578],{"class":3112},[3098,10080,10020],{"class":3108},[3098,10082,4787],{"class":3112},[3098,10084,10026],{"class":3108},[3098,10086,3363],{"class":3112},[3098,10088,10089],{"class":3100,"line":3492},[3098,10090,5289],{"class":3112},[3098,10092,10093,10096,10098,10100,10102,10105,10107,10109,10111,10114,10116,10118,10120,10123,10125,10128,10130,10132,10134,10137],{"class":3100,"line":3497},[3098,10094,10095],{"class":3108},"            Console",[3098,10097,3017],{"class":3112},[3098,10099,3686],{"class":3191},[3098,10101,3195],{"class":3112},[3098,10103,10104],{"class":3233},"$\"Спроба ",[3098,10106,4196],{"class":4195},[3098,10108,10020],{"class":3108},[3098,10110,4207],{"class":4195},[3098,10112,10113],{"class":3233}," невдала: ",[3098,10115,4196],{"class":4195},[3098,10117,9556],{"class":3108},[3098,10119,3017],{"class":4195},[3098,10121,10122],{"class":3108},"Message",[3098,10124,4207],{"class":4195},[3098,10126,10127],{"class":3233},". Повтор через ",[3098,10129,4196],{"class":4195},[3098,10131,9954],{"class":3108},[3098,10133,4207],{"class":4195},[3098,10135,10136],{"class":3233},"...\"",[3098,10138,3433],{"class":3112},[3098,10140,10141,10144,10146,10148,10150,10152,10154,10156,10158,10160,10162],{"class":3100,"line":3515},[3098,10142,10143],{"class":3104},"            await",[3098,10145,3338],{"class":3108},[3098,10147,3017],{"class":3112},[3098,10149,4818],{"class":3191},[3098,10151,3195],{"class":3112},[3098,10153,9954],{"class":3108},[3098,10155,3017],{"class":3112},[3098,10157,9777],{"class":3108},[3098,10159,2975],{"class":3112},[3098,10161,3430],{"class":3108},[3098,10163,3433],{"class":3112},[3098,10165,10166],{"class":3100,"line":3536},[3098,10167,5318],{"class":3112},[3098,10169,10170],{"class":3100,"line":3561},[3098,10171,3625],{"class":3112},[3098,10173,10174],{"class":3100,"line":3566},[3098,10175,3136],{"emptyLinePlaceholder":3135},[3098,10177,10178],{"class":3100,"line":3572},[3098,10179,10180],{"class":3142},"    // Останній attempt без catch — exception пробросується\n",[3098,10182,10183,10185,10187,10189],{"class":3100,"line":3590},[3098,10184,3636],{"class":3315},[3098,10186,5907],{"class":3104},[3098,10188,10054],{"class":3191},[3098,10190,3604],{"class":3112},[3098,10192,10193],{"class":3100,"line":3595},[3098,10194,3650],{"class":3112},[3098,10196,10197],{"class":3100,"line":3607},[3098,10198,3136],{"emptyLinePlaceholder":3135},[3098,10200,10201],{"class":3100,"line":3622},[3098,10202,4098],{"class":3142},[3098,10204,10205,10207,10209,10211,10213,10216],{"class":3100,"line":3628},[3098,10206,3105],{"class":3104},[3098,10208,6831],{"class":3108},[3098,10210,3113],{"class":3112},[3098,10212,2974],{"class":3104},[3098,10214,10215],{"class":3191}," RetryAsync",[3098,10217,3776],{"class":3112},[3098,10219,10220,10223,10226,10228],{"class":3100,"line":3633},[3098,10221,10222],{"class":3108},"    operation",[3098,10224,10225],{"class":3112},": ",[3098,10227,2970],{"class":3104},[3098,10229,9694],{"class":3112},[3098,10231,10232],{"class":3100,"line":3647},[3098,10233,3415],{"class":3112},[3098,10235,10236,10238,10240,10242,10244,10247,10249,10251,10253,10256],{"class":3100,"line":3653},[3098,10237,5176],{"class":3104},[3098,10239,5179],{"class":3108},[3098,10241,3113],{"class":3112},[3098,10243,2974],{"class":3104},[3098,10245,10246],{"class":3108}," httpClient",[3098,10248,3017],{"class":3112},[3098,10250,7146],{"class":3191},[3098,10252,3195],{"class":3112},[3098,10254,10255],{"class":3233},"\"https://flaky-api.com/data\"",[3098,10257,3433],{"class":3112},[3098,10259,10260,10263,10265,10268],{"class":3100,"line":3658},[3098,10261,10262],{"class":3108},"        response",[3098,10264,3017],{"class":3112},[3098,10266,10267],{"class":3191},"EnsureSuccessStatusCode",[3098,10269,3604],{"class":3112},[3098,10271,10272,10274,10276,10278,10280,10282,10284,10287],{"class":3100,"line":3664},[3098,10273,5904],{"class":3315},[3098,10275,5907],{"class":3104},[3098,10277,5179],{"class":3108},[3098,10279,3017],{"class":3112},[3098,10281,8839],{"class":3108},[3098,10283,3017],{"class":3112},[3098,10285,10286],{"class":3191},"ReadAsStringAsync",[3098,10288,3604],{"class":3112},[3098,10290,10291],{"class":3100,"line":3678},[3098,10292,10293],{"class":3112},"    },\n",[3098,10295,10296,10299,10301,10303],{"class":3100,"line":4085},[3098,10297,10298],{"class":3108},"    maxRetries",[3098,10300,10225],{"class":3112},[3098,10302,8906],{"class":3198},[3098,10304,3787],{"class":3112},[3098,10306,10307,10309,10311,10313,10315,10317,10319,10322],{"class":3100,"line":4090},[3098,10308,9981],{"class":3108},[3098,10310,10225],{"class":3112},[3098,10312,4121],{"class":3108},[3098,10314,3017],{"class":3112},[3098,10316,4126],{"class":3191},[3098,10318,3195],{"class":3112},[3098,10320,10321],{"class":3198},"2",[3098,10323,3363],{"class":3112},[3098,10325,10326],{"class":3100,"line":4095},[3098,10327,3433],{"class":3112},[3058,10329,10331],{"id":10330},"async-constructor-antipattern","Async Constructor Antipattern",[2964,10333,10334,10336,10337,3017],{},[2989,10335,3295],{}," Конструктори не можуть бути ",[2968,10338,2970],{},[3089,10340,10342],{"className":3091,"code":10341,"language":3093,"meta":3094,"style":3094},"// ❌ НЕМОЖЛИВО: async constructor\nclass MyClass\n{\n    public async MyClass()  // Compiler error!\n    {\n        await InitializeAsync();\n    }\n}\n\n// ✅ РІШЕННЯ 1: Factory Method\nclass MyClass\n{\n    private MyClass() { }  // Private constructor\n\n    public static async Task\u003CMyClass> CreateAsync()\n    {\n        var instance = new MyClass();\n        await instance.InitializeAsync();\n        return instance;\n    }\n\n    private async Task InitializeAsync()\n    {\n        await Task.Delay(100);\n    }\n}\n\n// Використання\nvar obj = await MyClass.CreateAsync();\n\n// ✅ РІШЕННЯ 2: Lazy initialization\nclass MyClass\n{\n    private Task? _initTask;\n\n    public MyClass()\n    {\n        // Конструктор синхронний, ініціалізація відкладена\n    }\n\n    private async Task EnsureInitializedAsync()\n    {\n        if (_initTask == null)\n        {\n            _initTask = InitializeAsync();\n        }\n        await _initTask;\n    }\n\n    public async Task DoWorkAsync()\n    {\n        await EnsureInitializedAsync();\n        // Робота...\n    }\n\n    private async Task InitializeAsync()\n    {\n        await Task.Delay(100);\n    }\n}\n",[2968,10343,10344,10349,10356,10360,10374,10378,10387,10391,10395,10399,10404,10410,10414,10426,10430,10453,10457,10472,10485,10493,10497,10501,10513,10517,10533,10537,10541,10545,10549,10568,10572,10577,10583,10587,10600,10604,10612,10616,10621,10625,10629,10642,10646,10660,10664,10675,10679,10689,10694,10699,10713,10718,10727,10733,10738,10743,10756,10761,10778,10783],{"__ignoreMap":3094},[3098,10345,10346],{"class":3100,"line":3101},[3098,10347,10348],{"class":3142},"// ❌ НЕМОЖЛИВО: async constructor\n",[3098,10350,10351,10353],{"class":3100,"line":3132},[3098,10352,5838],{"class":3104},[3098,10354,10355],{"class":3119}," MyClass\n",[3098,10357,10358],{"class":3100,"line":3139},[3098,10359,3368],{"class":3112},[3098,10361,10362,10364,10366,10369,10371],{"class":3100,"line":3146},[3098,10363,5879],{"class":3104},[3098,10365,5882],{"class":3104},[3098,10367,10368],{"class":3191}," MyClass",[3098,10370,8077],{"class":3112},[3098,10372,10373],{"class":3142},"// Compiler error!\n",[3098,10375,10376],{"class":3100,"line":3173},[3098,10377,3415],{"class":3112},[3098,10379,10380,10382,10385],{"class":3100,"line":3178},[3098,10381,4811],{"class":3104},[3098,10383,10384],{"class":3191}," InitializeAsync",[3098,10386,3604],{"class":3112},[3098,10388,10389],{"class":3100,"line":3184},[3098,10390,3625],{"class":3112},[3098,10392,10393],{"class":3100,"line":3208},[3098,10394,3650],{"class":3112},[3098,10396,10397],{"class":3100,"line":3214},[3098,10398,3136],{"emptyLinePlaceholder":3135},[3098,10400,10401],{"class":3100,"line":3243},[3098,10402,10403],{"class":3142},"// ✅ РІШЕННЯ 1: Factory Method\n",[3098,10405,10406,10408],{"class":3100,"line":3248},[3098,10407,5838],{"class":3104},[3098,10409,10355],{"class":3119},[3098,10411,10412],{"class":3100,"line":3441},[3098,10413,3368],{"class":3112},[3098,10415,10416,10418,10420,10423],{"class":3100,"line":3446},[3098,10417,5856],{"class":3104},[3098,10419,10368],{"class":3191},[3098,10421,10422],{"class":3112},"() { }  ",[3098,10424,10425],{"class":3142},"// Private constructor\n",[3098,10427,10428],{"class":3100,"line":3452},[3098,10429,3136],{"emptyLinePlaceholder":3135},[3098,10431,10432,10434,10437,10439,10441,10443,10446,10448,10451],{"class":3100,"line":3471},[3098,10433,5879],{"class":3104},[3098,10435,10436],{"class":3104}," static",[3098,10438,5882],{"class":3104},[3098,10440,3338],{"class":3119},[3098,10442,3123],{"class":3112},[3098,10444,10445],{"class":3119},"MyClass",[3098,10447,3155],{"class":3112},[3098,10449,10450],{"class":3191},"CreateAsync",[3098,10452,4529],{"class":3112},[3098,10454,10455],{"class":3100,"line":3492},[3098,10456,3415],{"class":3112},[3098,10458,10459,10461,10464,10466,10468,10470],{"class":3100,"line":3497},[3098,10460,5176],{"class":3104},[3098,10462,10463],{"class":3108}," instance",[3098,10465,3113],{"class":3112},[3098,10467,3116],{"class":3104},[3098,10469,10368],{"class":3119},[3098,10471,3604],{"class":3112},[3098,10473,10474,10476,10478,10480,10483],{"class":3100,"line":3515},[3098,10475,4811],{"class":3104},[3098,10477,10463],{"class":3108},[3098,10479,3017],{"class":3112},[3098,10481,10482],{"class":3191},"InitializeAsync",[3098,10484,3604],{"class":3112},[3098,10486,10487,10489,10491],{"class":3100,"line":3536},[3098,10488,5904],{"class":3315},[3098,10490,10463],{"class":3108},[3098,10492,3170],{"class":3112},[3098,10494,10495],{"class":3100,"line":3561},[3098,10496,3625],{"class":3112},[3098,10498,10499],{"class":3100,"line":3566},[3098,10500,3136],{"emptyLinePlaceholder":3135},[3098,10502,10503,10505,10507,10509,10511],{"class":3100,"line":3572},[3098,10504,5856],{"class":3104},[3098,10506,5882],{"class":3104},[3098,10508,3338],{"class":3119},[3098,10510,10384],{"class":3191},[3098,10512,4529],{"class":3112},[3098,10514,10515],{"class":3100,"line":3590},[3098,10516,3415],{"class":3112},[3098,10518,10519,10521,10523,10525,10527,10529,10531],{"class":3100,"line":3595},[3098,10520,4811],{"class":3104},[3098,10522,3338],{"class":3108},[3098,10524,3017],{"class":3112},[3098,10526,4818],{"class":3191},[3098,10528,3195],{"class":3112},[3098,10530,4823],{"class":3198},[3098,10532,3433],{"class":3112},[3098,10534,10535],{"class":3100,"line":3607},[3098,10536,3625],{"class":3112},[3098,10538,10539],{"class":3100,"line":3622},[3098,10540,3650],{"class":3112},[3098,10542,10543],{"class":3100,"line":3628},[3098,10544,3136],{"emptyLinePlaceholder":3135},[3098,10546,10547],{"class":3100,"line":3633},[3098,10548,4098],{"class":3142},[3098,10550,10551,10553,10556,10558,10560,10562,10564,10566],{"class":3100,"line":3647},[3098,10552,3105],{"class":3104},[3098,10554,10555],{"class":3108}," obj",[3098,10557,3113],{"class":3112},[3098,10559,2974],{"class":3104},[3098,10561,10368],{"class":3108},[3098,10563,3017],{"class":3112},[3098,10565,10450],{"class":3191},[3098,10567,3604],{"class":3112},[3098,10569,10570],{"class":3100,"line":3653},[3098,10571,3136],{"emptyLinePlaceholder":3135},[3098,10573,10574],{"class":3100,"line":3658},[3098,10575,10576],{"class":3142},"// ✅ РІШЕННЯ 2: Lazy initialization\n",[3098,10578,10579,10581],{"class":3100,"line":3664},[3098,10580,5838],{"class":3104},[3098,10582,10355],{"class":3119},[3098,10584,10585],{"class":3100,"line":3678},[3098,10586,3368],{"class":3112},[3098,10588,10589,10591,10593,10595,10598],{"class":3100,"line":4085},[3098,10590,5856],{"class":3104},[3098,10592,3338],{"class":3119},[3098,10594,3458],{"class":3112},[3098,10596,10597],{"class":3108},"_initTask",[3098,10599,3170],{"class":3112},[3098,10601,10602],{"class":3100,"line":4090},[3098,10603,3136],{"emptyLinePlaceholder":3135},[3098,10605,10606,10608,10610],{"class":3100,"line":4095},[3098,10607,5879],{"class":3104},[3098,10609,10368],{"class":3191},[3098,10611,4529],{"class":3112},[3098,10613,10614],{"class":3100,"line":4101},[3098,10615,3415],{"class":3112},[3098,10617,10618],{"class":3100,"line":4137},[3098,10619,10620],{"class":3142},"        // Конструктор синхронний, ініціалізація відкладена\n",[3098,10622,10623],{"class":3100,"line":4143},[3098,10624,3625],{"class":3112},[3098,10626,10627],{"class":3100,"line":4148},[3098,10628,3136],{"emptyLinePlaceholder":3135},[3098,10630,10631,10633,10635,10637,10640],{"class":3100,"line":4180},[3098,10632,5856],{"class":3104},[3098,10634,5882],{"class":3104},[3098,10636,3338],{"class":3119},[3098,10638,10639],{"class":3191}," EnsureInitializedAsync",[3098,10641,4529],{"class":3112},[3098,10643,10644],{"class":3100,"line":4229},[3098,10645,3415],{"class":3112},[3098,10647,10648,10650,10652,10654,10656,10658],{"class":3100,"line":4234},[3098,10649,5258],{"class":3315},[3098,10651,3578],{"class":3112},[3098,10653,10597],{"class":3108},[3098,10655,5266],{"class":3112},[3098,10657,3466],{"class":3104},[3098,10659,3363],{"class":3112},[3098,10661,10662],{"class":3100,"line":4247},[3098,10663,5289],{"class":3112},[3098,10665,10666,10669,10671,10673],{"class":3100,"line":4252},[3098,10667,10668],{"class":3108},"            _initTask",[3098,10670,3113],{"class":3112},[3098,10672,10482],{"class":3191},[3098,10674,3604],{"class":3112},[3098,10676,10677],{"class":3100,"line":4268},[3098,10678,5318],{"class":3112},[3098,10680,10682,10684,10687],{"class":3100,"line":10681},47,[3098,10683,4811],{"class":3104},[3098,10685,10686],{"class":3108}," _initTask",[3098,10688,3170],{"class":3112},[3098,10690,10692],{"class":3100,"line":10691},48,[3098,10693,3625],{"class":3112},[3098,10695,10697],{"class":3100,"line":10696},49,[3098,10698,3136],{"emptyLinePlaceholder":3135},[3098,10700,10702,10704,10706,10708,10711],{"class":3100,"line":10701},50,[3098,10703,5879],{"class":3104},[3098,10705,5882],{"class":3104},[3098,10707,3338],{"class":3119},[3098,10709,10710],{"class":3191}," DoWorkAsync",[3098,10712,4529],{"class":3112},[3098,10714,10716],{"class":3100,"line":10715},51,[3098,10717,3415],{"class":3112},[3098,10719,10721,10723,10725],{"class":3100,"line":10720},52,[3098,10722,4811],{"class":3104},[3098,10724,10639],{"class":3191},[3098,10726,3604],{"class":3112},[3098,10728,10730],{"class":3100,"line":10729},53,[3098,10731,10732],{"class":3142},"        // Робота...\n",[3098,10734,10736],{"class":3100,"line":10735},54,[3098,10737,3625],{"class":3112},[3098,10739,10741],{"class":3100,"line":10740},55,[3098,10742,3136],{"emptyLinePlaceholder":3135},[3098,10744,10746,10748,10750,10752,10754],{"class":3100,"line":10745},56,[3098,10747,5856],{"class":3104},[3098,10749,5882],{"class":3104},[3098,10751,3338],{"class":3119},[3098,10753,10384],{"class":3191},[3098,10755,4529],{"class":3112},[3098,10757,10759],{"class":3100,"line":10758},57,[3098,10760,3415],{"class":3112},[3098,10762,10764,10766,10768,10770,10772,10774,10776],{"class":3100,"line":10763},58,[3098,10765,4811],{"class":3104},[3098,10767,3338],{"class":3108},[3098,10769,3017],{"class":3112},[3098,10771,4818],{"class":3191},[3098,10773,3195],{"class":3112},[3098,10775,4823],{"class":3198},[3098,10777,3433],{"class":3112},[3098,10779,10781],{"class":3100,"line":10780},59,[3098,10782,3625],{"class":3112},[3098,10784,10786],{"class":3100,"line":10785},60,[3098,10787,3650],{"class":3112},[3047,10789],{},[2959,10791,10793],{"id":10792},"custom-awaitables-для-допитливих","Custom Awaitables: Для Допитливих",[3058,10795,10797],{"id":10796},"getawaiter-pattern","GetAwaiter Pattern",[2964,10799,10800,10801,10804,10805,10807],{},"Будь-який тип може стати \"awaitable\", якщо він реалізує pattern ",[2968,10802,10803],{},"GetAwaiter()",". Це дозволяє використовувати ",[2968,10806,2974],{}," з кастомними типами.",[2964,10809,10810],{},[2989,10811,10812],{},"Мінімальний контракт:",[3089,10814,10817],{"className":3091,"code":10815,"filename":10816,"language":3093,"meta":3308,"style":3094},"using System.Runtime.CompilerServices;\n\n// Кастомний awaitable тип\nclass CustomTask\n{\n    private readonly Task _innerTask;\n\n    public CustomTask(Task task) => _innerTask = task;\n\n    // Pattern method — компілятор шукає саме цей метод\n    public CustomAwaiter GetAwaiter() => new CustomAwaiter(_innerTask);\n}\n\n// Awaiter — виконує реальну роботу\nclass CustomAwaiter : INotifyCompletion\n{\n    private readonly TaskAwaiter _innerAwaiter;\n\n    public CustomAwaiter(Task task) => _innerAwaiter = task.GetAwaiter();\n\n    // Чи операція вже завершена?\n    public bool IsCompleted => _innerAwaiter.IsCompleted;\n\n    // Отримати результат (викликається після завершення)\n    public void GetResult() => _innerAwaiter.GetResult();\n\n    // Зареєструвати continuation (що виконати після завершення)\n    public void OnCompleted(Action continuation) => _innerAwaiter.OnCompleted(continuation);\n}\n\n// Використання — await працює з CustomTask!\nvar customTask = new CustomTask(Task.Delay(1000));\nawait customTask;\nConsole.WriteLine(\"Custom await завершено!\");\n","CustomAwaitable.cs",[2968,10818,10819,10837,10841,10846,10853,10857,10870,10874,10900,10904,10909,10932,10936,10940,10945,10956,10960,10974,10978,11005,11009,11014,11035,11039,11044,11063,11067,11072,11105,11109,11113,11118,11145,11153],{"__ignoreMap":3094},[3098,10820,10821,10823,10825,10827,10830,10832,10835],{"class":3100,"line":3101},[3098,10822,3316],{"class":3315},[3098,10824,3319],{"class":3119},[3098,10826,3017],{"class":3112},[3098,10828,10829],{"class":3119},"Runtime",[3098,10831,3017],{"class":3112},[3098,10833,10834],{"class":3119},"CompilerServices",[3098,10836,3170],{"class":3112},[3098,10838,10839],{"class":3100,"line":3132},[3098,10840,3136],{"emptyLinePlaceholder":3135},[3098,10842,10843],{"class":3100,"line":3139},[3098,10844,10845],{"class":3142},"// Кастомний awaitable тип\n",[3098,10847,10848,10850],{"class":3100,"line":3146},[3098,10849,5838],{"class":3104},[3098,10851,10852],{"class":3119}," CustomTask\n",[3098,10854,10855],{"class":3100,"line":3173},[3098,10856,3368],{"class":3112},[3098,10858,10859,10861,10863,10865,10868],{"class":3100,"line":3178},[3098,10860,5856],{"class":3104},[3098,10862,5859],{"class":3104},[3098,10864,3338],{"class":3119},[3098,10866,10867],{"class":3108}," _innerTask",[3098,10869,3170],{"class":3112},[3098,10871,10872],{"class":3100,"line":3184},[3098,10873,3136],{"emptyLinePlaceholder":3135},[3098,10875,10876,10878,10881,10883,10885,10888,10891,10894,10896,10898],{"class":3100,"line":3208},[3098,10877,5879],{"class":3104},[3098,10879,10880],{"class":3191}," CustomTask",[3098,10882,3195],{"class":3112},[3098,10884,2978],{"class":3119},[3098,10886,10887],{"class":3108}," task",[3098,10889,10890],{"class":3112},") => ",[3098,10892,10893],{"class":3108},"_innerTask",[3098,10895,3113],{"class":3112},[3098,10897,3158],{"class":3108},[3098,10899,3170],{"class":3112},[3098,10901,10902],{"class":3100,"line":3214},[3098,10903,3136],{"emptyLinePlaceholder":3135},[3098,10905,10906],{"class":3100,"line":3243},[3098,10907,10908],{"class":3142},"    // Pattern method — компілятор шукає саме цей метод\n",[3098,10910,10911,10913,10916,10919,10922,10924,10926,10928,10930],{"class":3100,"line":3248},[3098,10912,5879],{"class":3104},[3098,10914,10915],{"class":3119}," CustomAwaiter",[3098,10917,10918],{"class":3191}," GetAwaiter",[3098,10920,10921],{"class":3112},"() => ",[3098,10923,3116],{"class":3104},[3098,10925,10915],{"class":3119},[3098,10927,3195],{"class":3112},[3098,10929,10893],{"class":3108},[3098,10931,3433],{"class":3112},[3098,10933,10934],{"class":3100,"line":3441},[3098,10935,3650],{"class":3112},[3098,10937,10938],{"class":3100,"line":3446},[3098,10939,3136],{"emptyLinePlaceholder":3135},[3098,10941,10942],{"class":3100,"line":3452},[3098,10943,10944],{"class":3142},"// Awaiter — виконує реальну роботу\n",[3098,10946,10947,10949,10951,10953],{"class":3100,"line":3471},[3098,10948,5838],{"class":3104},[3098,10950,10915],{"class":3119},[3098,10952,5844],{"class":3112},[3098,10954,10955],{"class":3119},"INotifyCompletion\n",[3098,10957,10958],{"class":3100,"line":3492},[3098,10959,3368],{"class":3112},[3098,10961,10962,10964,10966,10969,10972],{"class":3100,"line":3497},[3098,10963,5856],{"class":3104},[3098,10965,5859],{"class":3104},[3098,10967,10968],{"class":3119}," TaskAwaiter",[3098,10970,10971],{"class":3108}," _innerAwaiter",[3098,10973,3170],{"class":3112},[3098,10975,10976],{"class":3100,"line":3515},[3098,10977,3136],{"emptyLinePlaceholder":3135},[3098,10979,10980,10982,10984,10986,10988,10990,10992,10995,10997,10999,11001,11003],{"class":3100,"line":3536},[3098,10981,5879],{"class":3104},[3098,10983,10915],{"class":3191},[3098,10985,3195],{"class":3112},[3098,10987,2978],{"class":3119},[3098,10989,10887],{"class":3108},[3098,10991,10890],{"class":3112},[3098,10993,10994],{"class":3108},"_innerAwaiter",[3098,10996,3113],{"class":3112},[3098,10998,3158],{"class":3108},[3098,11000,3017],{"class":3112},[3098,11002,6368],{"class":3191},[3098,11004,3604],{"class":3112},[3098,11006,11007],{"class":3100,"line":3561},[3098,11008,3136],{"emptyLinePlaceholder":3135},[3098,11010,11011],{"class":3100,"line":3566},[3098,11012,11013],{"class":3142},"    // Чи операція вже завершена?\n",[3098,11015,11016,11018,11020,11023,11026,11028,11030,11033],{"class":3100,"line":3572},[3098,11017,5879],{"class":3104},[3098,11019,6197],{"class":3104},[3098,11021,11022],{"class":3108}," IsCompleted",[3098,11024,11025],{"class":3112}," => ",[3098,11027,10994],{"class":3108},[3098,11029,3017],{"class":3112},[3098,11031,11032],{"class":3108},"IsCompleted",[3098,11034,3170],{"class":3112},[3098,11036,11037],{"class":3100,"line":3590},[3098,11038,3136],{"emptyLinePlaceholder":3135},[3098,11040,11041],{"class":3100,"line":3595},[3098,11042,11043],{"class":3142},"    // Отримати результат (викликається після завершення)\n",[3098,11045,11046,11048,11050,11053,11055,11057,11059,11061],{"class":3100,"line":3607},[3098,11047,5879],{"class":3104},[3098,11049,6326],{"class":3104},[3098,11051,11052],{"class":3191}," GetResult",[3098,11054,10921],{"class":3112},[3098,11056,10994],{"class":3108},[3098,11058,3017],{"class":3112},[3098,11060,6373],{"class":3191},[3098,11062,3604],{"class":3112},[3098,11064,11065],{"class":3100,"line":3622},[3098,11066,3136],{"emptyLinePlaceholder":3135},[3098,11068,11069],{"class":3100,"line":3628},[3098,11070,11071],{"class":3142},"    // Зареєструвати continuation (що виконати після завершення)\n",[3098,11073,11074,11076,11078,11081,11083,11086,11089,11091,11093,11095,11098,11100,11103],{"class":3100,"line":3633},[3098,11075,5879],{"class":3104},[3098,11077,6326],{"class":3104},[3098,11079,11080],{"class":3191}," OnCompleted",[3098,11082,3195],{"class":3112},[3098,11084,11085],{"class":3119},"Action",[3098,11087,11088],{"class":3108}," continuation",[3098,11090,10890],{"class":3112},[3098,11092,10994],{"class":3108},[3098,11094,3017],{"class":3112},[3098,11096,11097],{"class":3191},"OnCompleted",[3098,11099,3195],{"class":3112},[3098,11101,11102],{"class":3108},"continuation",[3098,11104,3433],{"class":3112},[3098,11106,11107],{"class":3100,"line":3647},[3098,11108,3650],{"class":3112},[3098,11110,11111],{"class":3100,"line":3653},[3098,11112,3136],{"emptyLinePlaceholder":3135},[3098,11114,11115],{"class":3100,"line":3658},[3098,11116,11117],{"class":3142},"// Використання — await працює з CustomTask!\n",[3098,11119,11120,11122,11125,11127,11129,11131,11133,11135,11137,11139,11141,11143],{"class":3100,"line":3664},[3098,11121,3105],{"class":3104},[3098,11123,11124],{"class":3108}," customTask",[3098,11126,3113],{"class":3112},[3098,11128,3116],{"class":3104},[3098,11130,10880],{"class":3119},[3098,11132,3195],{"class":3112},[3098,11134,2978],{"class":3108},[3098,11136,3017],{"class":3112},[3098,11138,4818],{"class":3191},[3098,11140,3195],{"class":3112},[3098,11142,9713],{"class":3198},[3098,11144,4134],{"class":3112},[3098,11146,11147,11149,11151],{"class":3100,"line":3678},[3098,11148,2974],{"class":3104},[3098,11150,11124],{"class":3108},[3098,11152,3170],{"class":3112},[3098,11154,11155,11157,11159,11161,11163,11166],{"class":3100,"line":4085},[3098,11156,3681],{"class":3108},[3098,11158,3017],{"class":3112},[3098,11160,3686],{"class":3191},[3098,11162,3195],{"class":3112},[3098,11164,11165],{"class":3233},"\"Custom await завершено!\"",[3098,11167,3433],{"class":3112},[3058,11169,11171],{"id":11170},"практичний-приклад-timeout-awaitable","Практичний Приклад: Timeout Awaitable",[2964,11173,11174],{},"Створимо awaitable, що автоматично додає timeout до будь-якої операції:",[3089,11176,11179],{"className":3091,"code":11177,"filename":11178,"language":3093,"meta":3308,"style":3094},"using System.Runtime.CompilerServices;\n\nstatic class TaskExtensions\n{\n    public static TimeoutAwaitable\u003CT> WithTimeout\u003CT>(this Task\u003CT> task, TimeSpan timeout)\n    {\n        return new TimeoutAwaitable\u003CT>(task, timeout);\n    }\n}\n\nclass TimeoutAwaitable\u003CT>\n{\n    private readonly Task\u003CT> _task;\n    private readonly TimeSpan _timeout;\n\n    public TimeoutAwaitable(Task\u003CT> task, TimeSpan timeout)\n    {\n        _task = task;\n        _timeout = timeout;\n    }\n\n    public TaskAwaiter\u003CT> GetAwaiter()\n    {\n        // Створюємо Task, що завершиться або при завершенні _task, або при timeout\n        var timeoutTask = Task.Delay(_timeout).ContinueWith(_ =>\n            throw new TimeoutException($\"Операція не завершилась за {_timeout}\"));\n\n        var completedTask = Task.WhenAny(_task, timeoutTask)\n            .ContinueWith(t => _task.Result);  // Повертаємо результат _task\n\n        return completedTask.GetAwaiter();\n    }\n}\n\n// Використання — елегантний синтаксис\nvar result = await FetchDataAsync().WithTimeout(TimeSpan.FromSeconds(5));\n","TimeoutAwaitable.cs",[2968,11180,11181,11197,11201,11210,11214,11259,11263,11286,11290,11294,11298,11310,11314,11332,11346,11350,11376,11380,11391,11402,11406,11410,11426,11430,11435,11465,11490,11494,11521,11545,11549,11561,11565,11569,11573,11578],{"__ignoreMap":3094},[3098,11182,11183,11185,11187,11189,11191,11193,11195],{"class":3100,"line":3101},[3098,11184,3316],{"class":3315},[3098,11186,3319],{"class":3119},[3098,11188,3017],{"class":3112},[3098,11190,10829],{"class":3119},[3098,11192,3017],{"class":3112},[3098,11194,10834],{"class":3119},[3098,11196,3170],{"class":3112},[3098,11198,11199],{"class":3100,"line":3132},[3098,11200,3136],{"emptyLinePlaceholder":3135},[3098,11202,11203,11205,11207],{"class":3100,"line":3139},[3098,11204,3335],{"class":3104},[3098,11206,7674],{"class":3104},[3098,11208,11209],{"class":3119}," TaskExtensions\n",[3098,11211,11212],{"class":3100,"line":3146},[3098,11213,3368],{"class":3112},[3098,11215,11216,11218,11220,11223,11225,11227,11229,11232,11234,11236,11238,11240,11242,11244,11246,11248,11250,11252,11254,11257],{"class":3100,"line":3173},[3098,11217,5879],{"class":3104},[3098,11219,10436],{"class":3104},[3098,11221,11222],{"class":3119}," TimeoutAwaitable",[3098,11224,3123],{"class":3112},[3098,11226,6738],{"class":3119},[3098,11228,3155],{"class":3112},[3098,11230,11231],{"class":3191},"WithTimeout",[3098,11233,3123],{"class":3112},[3098,11235,6738],{"class":3119},[3098,11237,4369],{"class":3112},[3098,11239,6301],{"class":3104},[3098,11241,3338],{"class":3119},[3098,11243,3123],{"class":3112},[3098,11245,6738],{"class":3119},[3098,11247,3155],{"class":3112},[3098,11249,3158],{"class":3108},[3098,11251,2975],{"class":3112},[3098,11253,4121],{"class":3119},[3098,11255,11256],{"class":3108}," timeout",[3098,11258,3363],{"class":3112},[3098,11260,11261],{"class":3100,"line":3178},[3098,11262,3415],{"class":3112},[3098,11264,11265,11267,11269,11271,11273,11275,11277,11279,11281,11284],{"class":3100,"line":3184},[3098,11266,5904],{"class":3315},[3098,11268,7896],{"class":3104},[3098,11270,11222],{"class":3119},[3098,11272,3123],{"class":3112},[3098,11274,6738],{"class":3119},[3098,11276,4369],{"class":3112},[3098,11278,3158],{"class":3108},[3098,11280,2975],{"class":3112},[3098,11282,11283],{"class":3108},"timeout",[3098,11285,3433],{"class":3112},[3098,11287,11288],{"class":3100,"line":3208},[3098,11289,3625],{"class":3112},[3098,11291,11292],{"class":3100,"line":3214},[3098,11293,3650],{"class":3112},[3098,11295,11296],{"class":3100,"line":3243},[3098,11297,3136],{"emptyLinePlaceholder":3135},[3098,11299,11300,11302,11304,11306,11308],{"class":3100,"line":3248},[3098,11301,5838],{"class":3104},[3098,11303,11222],{"class":3119},[3098,11305,3123],{"class":3112},[3098,11307,6738],{"class":3119},[3098,11309,6741],{"class":3112},[3098,11311,11312],{"class":3100,"line":3441},[3098,11313,3368],{"class":3112},[3098,11315,11316,11318,11320,11322,11324,11326,11328,11330],{"class":3100,"line":3446},[3098,11317,5856],{"class":3104},[3098,11319,5859],{"class":3104},[3098,11321,3338],{"class":3119},[3098,11323,3123],{"class":3112},[3098,11325,6738],{"class":3119},[3098,11327,3155],{"class":3112},[3098,11329,6786],{"class":3108},[3098,11331,3170],{"class":3112},[3098,11333,11334,11336,11338,11341,11344],{"class":3100,"line":3452},[3098,11335,5856],{"class":3104},[3098,11337,5859],{"class":3104},[3098,11339,11340],{"class":3119}," TimeSpan",[3098,11342,11343],{"class":3108}," _timeout",[3098,11345,3170],{"class":3112},[3098,11347,11348],{"class":3100,"line":3471},[3098,11349,3136],{"emptyLinePlaceholder":3135},[3098,11351,11352,11354,11356,11358,11360,11362,11364,11366,11368,11370,11372,11374],{"class":3100,"line":3492},[3098,11353,5879],{"class":3104},[3098,11355,11222],{"class":3191},[3098,11357,3195],{"class":3112},[3098,11359,2978],{"class":3119},[3098,11361,3123],{"class":3112},[3098,11363,6738],{"class":3119},[3098,11365,3155],{"class":3112},[3098,11367,3158],{"class":3108},[3098,11369,2975],{"class":3112},[3098,11371,4121],{"class":3119},[3098,11373,11256],{"class":3108},[3098,11375,3363],{"class":3112},[3098,11377,11378],{"class":3100,"line":3497},[3098,11379,3415],{"class":3112},[3098,11381,11382,11385,11387,11389],{"class":3100,"line":3515},[3098,11383,11384],{"class":3108},"        _task",[3098,11386,3113],{"class":3112},[3098,11388,3158],{"class":3108},[3098,11390,3170],{"class":3112},[3098,11392,11393,11396,11398,11400],{"class":3100,"line":3536},[3098,11394,11395],{"class":3108},"        _timeout",[3098,11397,3113],{"class":3112},[3098,11399,11283],{"class":3108},[3098,11401,3170],{"class":3112},[3098,11403,11404],{"class":3100,"line":3561},[3098,11405,3625],{"class":3112},[3098,11407,11408],{"class":3100,"line":3566},[3098,11409,3136],{"emptyLinePlaceholder":3135},[3098,11411,11412,11414,11416,11418,11420,11422,11424],{"class":3100,"line":3572},[3098,11413,5879],{"class":3104},[3098,11415,10968],{"class":3119},[3098,11417,3123],{"class":3112},[3098,11419,6738],{"class":3119},[3098,11421,3155],{"class":3112},[3098,11423,6368],{"class":3191},[3098,11425,4529],{"class":3112},[3098,11427,11428],{"class":3100,"line":3590},[3098,11429,3415],{"class":3112},[3098,11431,11432],{"class":3100,"line":3595},[3098,11433,11434],{"class":3142},"        // Створюємо Task, що завершиться або при завершенні _task, або при timeout\n",[3098,11436,11437,11439,11442,11444,11446,11448,11450,11452,11455,11457,11459,11461,11463],{"class":3100,"line":3607},[3098,11438,5176],{"class":3104},[3098,11440,11441],{"class":3108}," timeoutTask",[3098,11443,3113],{"class":3112},[3098,11445,2978],{"class":3108},[3098,11447,3017],{"class":3112},[3098,11449,4818],{"class":3191},[3098,11451,3195],{"class":3112},[3098,11453,11454],{"class":3108},"_timeout",[3098,11456,5583],{"class":3112},[3098,11458,4396],{"class":3191},[3098,11460,3195],{"class":3112},[3098,11462,3486],{"class":3108},[3098,11464,3489],{"class":3112},[3098,11466,11467,11470,11472,11475,11477,11480,11482,11484,11486,11488],{"class":3100,"line":3622},[3098,11468,11469],{"class":3315},"            throw",[3098,11471,7896],{"class":3104},[3098,11473,11474],{"class":3119}," TimeoutException",[3098,11476,3195],{"class":3112},[3098,11478,11479],{"class":3233},"$\"Операція не завершилась за ",[3098,11481,4196],{"class":4195},[3098,11483,11454],{"class":3108},[3098,11485,4207],{"class":4195},[3098,11487,4224],{"class":3233},[3098,11489,4134],{"class":3112},[3098,11491,11492],{"class":3100,"line":3628},[3098,11493,3136],{"emptyLinePlaceholder":3135},[3098,11495,11496,11498,11501,11503,11505,11507,11510,11512,11514,11516,11519],{"class":3100,"line":3633},[3098,11497,5176],{"class":3104},[3098,11499,11500],{"class":3108}," completedTask",[3098,11502,3113],{"class":3112},[3098,11504,2978],{"class":3108},[3098,11506,3017],{"class":3112},[3098,11508,11509],{"class":3191},"WhenAny",[3098,11511,3195],{"class":3112},[3098,11513,6786],{"class":3108},[3098,11515,2975],{"class":3112},[3098,11517,11518],{"class":3108},"timeoutTask",[3098,11520,3363],{"class":3112},[3098,11522,11523,11526,11528,11530,11532,11534,11536,11538,11540,11542],{"class":3100,"line":3647},[3098,11524,11525],{"class":3112},"            .",[3098,11527,4396],{"class":3191},[3098,11529,3195],{"class":3112},[3098,11531,3054],{"class":3108},[3098,11533,11025],{"class":3112},[3098,11535,6786],{"class":3108},[3098,11537,3017],{"class":3112},[3098,11539,4433],{"class":3108},[3098,11541,3530],{"class":3112},[3098,11543,11544],{"class":3142},"// Повертаємо результат _task\n",[3098,11546,11547],{"class":3100,"line":3653},[3098,11548,3136],{"emptyLinePlaceholder":3135},[3098,11550,11551,11553,11555,11557,11559],{"class":3100,"line":3658},[3098,11552,5904],{"class":3315},[3098,11554,11500],{"class":3108},[3098,11556,3017],{"class":3112},[3098,11558,6368],{"class":3191},[3098,11560,3604],{"class":3112},[3098,11562,11563],{"class":3100,"line":3664},[3098,11564,3625],{"class":3112},[3098,11566,11567],{"class":3100,"line":3678},[3098,11568,3650],{"class":3112},[3098,11570,11571],{"class":3100,"line":4085},[3098,11572,3136],{"emptyLinePlaceholder":3135},[3098,11574,11575],{"class":3100,"line":4090},[3098,11576,11577],{"class":3142},"// Використання — елегантний синтаксис\n",[3098,11579,11580,11582,11584,11586,11588,11590,11592,11594,11596,11598,11600,11602,11604,11606],{"class":3100,"line":4095},[3098,11581,3105],{"class":3104},[3098,11583,6831],{"class":3108},[3098,11585,3113],{"class":3112},[3098,11587,2974],{"class":3104},[3098,11589,8717],{"class":3191},[3098,11591,5707],{"class":3112},[3098,11593,11231],{"class":3191},[3098,11595,3195],{"class":3112},[3098,11597,4121],{"class":3108},[3098,11599,3017],{"class":3112},[3098,11601,4126],{"class":3191},[3098,11603,3195],{"class":3112},[3098,11605,8906],{"class":3198},[3098,11607,4134],{"class":3112},[3695,11609,11610,11613,11614,6162,11616,11618],{},[2989,11611,11612],{},"Навіщо кастомні awaitables?"," У більшості випадків достатньо ",[2968,11615,2978],{},[2968,11617,6876],{},". Кастомні awaitables корисні для бібліотек, що надають специфічну семантику (timeout, retry, circuit breaker) або оптимізацій (zero-allocation для специфічних сценаріїв).",[3047,11620],{},[2959,11622,11624],{"id":11623},"наскрізний-приклад-async-producer-consumer-pipeline","Наскрізний Приклад: Async Producer-Consumer Pipeline",[2964,11626,11627],{},"Побудуємо повноцінний async pipeline для обробки даних з використанням всіх вивчених паттернів.",[11629,11630,11631,11635,11678,11682,11889,11893,12139,12143,12369,12373,12844,12848,13147,13151],"steps",{},[3058,11632,11634],{"id":11633},"крок-1-структура-проєкту","Крок 1: Структура проєкту",[3089,11636,11640],{"className":11637,"code":11638,"language":11639,"meta":3094,"style":3094},"language-bash shiki shiki-themes light-plus dark-plus dark-plus","dotnet new console -n AsyncPipeline\ncd AsyncPipeline\ndotnet add package System.Threading.Channels\n","bash",[2968,11641,11642,11658,11665],{"__ignoreMap":3094},[3098,11643,11644,11647,11649,11652,11655],{"class":3100,"line":3101},[3098,11645,11646],{"class":3191},"dotnet",[3098,11648,7896],{"class":3233},[3098,11650,11651],{"class":3233}," console",[3098,11653,11654],{"class":3104}," -n",[3098,11656,11657],{"class":3233}," AsyncPipeline\n",[3098,11659,11660,11663],{"class":3100,"line":3132},[3098,11661,11662],{"class":3191},"cd",[3098,11664,11657],{"class":3233},[3098,11666,11667,11669,11672,11675],{"class":3100,"line":3139},[3098,11668,11646],{"class":3191},[3098,11670,11671],{"class":3233}," add",[3098,11673,11674],{"class":3233}," package",[3098,11676,11677],{"class":3233}," System.Threading.Channels\n",[3058,11679,11681],{"id":11680},"крок-2-producer-iasyncenumerable","Крок 2: Producer — IAsyncEnumerable",[3089,11683,11686],{"className":3091,"code":11684,"filename":11685,"language":3093,"meta":3308,"style":3094},"using System.Collections.Generic;\nusing System.Threading;\n\nclass DataProducer\n{\n    // Генеруємо дані асинхронно (імітація paginated API)\n    public async IAsyncEnumerable\u003Cint> ProduceAsync(\n        int totalItems,\n        [EnumeratorCancellation] CancellationToken ct = default)\n    {\n        for (int i = 1; i \u003C= totalItems; i++)\n        {\n            ct.ThrowIfCancellationRequested();\n\n            // Імітація затримки мережі\n            await Task.Delay(50, ct);\n\n            yield return i;\n        }\n    }\n}\n","Producer.cs",[2968,11687,11688,11704,11716,11720,11727,11731,11736,11755,11765,11784,11788,11818,11822,11834,11838,11843,11863,11867,11877,11881,11885],{"__ignoreMap":3094},[3098,11689,11690,11692,11694,11696,11698,11700,11702],{"class":3100,"line":3101},[3098,11691,3316],{"class":3315},[3098,11693,3319],{"class":3119},[3098,11695,3017],{"class":3112},[3098,11697,4704],{"class":3119},[3098,11699,3017],{"class":3112},[3098,11701,4709],{"class":3119},[3098,11703,3170],{"class":3112},[3098,11705,11706,11708,11710,11712,11714],{"class":3100,"line":3132},[3098,11707,3316],{"class":3315},[3098,11709,3319],{"class":3119},[3098,11711,3017],{"class":3112},[3098,11713,3324],{"class":3119},[3098,11715,3170],{"class":3112},[3098,11717,11718],{"class":3100,"line":3139},[3098,11719,3136],{"emptyLinePlaceholder":3135},[3098,11721,11722,11724],{"class":3100,"line":3146},[3098,11723,5838],{"class":3104},[3098,11725,11726],{"class":3119}," DataProducer\n",[3098,11728,11729],{"class":3100,"line":3173},[3098,11730,3368],{"class":3112},[3098,11732,11733],{"class":3100,"line":3178},[3098,11734,11735],{"class":3142},"    // Генеруємо дані асинхронно (імітація paginated API)\n",[3098,11737,11738,11740,11742,11744,11746,11748,11750,11753],{"class":3100,"line":3184},[3098,11739,5879],{"class":3104},[3098,11741,5882],{"class":3104},[3098,11743,4739],{"class":3119},[3098,11745,3123],{"class":3112},[3098,11747,3126],{"class":3104},[3098,11749,3155],{"class":3112},[3098,11751,11752],{"class":3191},"ProduceAsync",[3098,11754,3776],{"class":3112},[3098,11756,11757,11760,11763],{"class":3100,"line":3208},[3098,11758,11759],{"class":3104},"        int",[3098,11761,11762],{"class":3108}," totalItems",[3098,11764,3787],{"class":3112},[3098,11766,11767,11770,11772,11774,11776,11778,11780,11782],{"class":3100,"line":3214},[3098,11768,11769],{"class":3112},"        [",[3098,11771,5100],{"class":3119},[3098,11773,5103],{"class":3112},[3098,11775,3016],{"class":3119},[3098,11777,3355],{"class":3108},[3098,11779,3113],{"class":3112},[3098,11781,3360],{"class":3104},[3098,11783,3363],{"class":3112},[3098,11785,11786],{"class":3100,"line":3243},[3098,11787,3415],{"class":3112},[3098,11789,11790,11793,11795,11797,11799,11801,11803,11805,11807,11809,11812,11814,11816],{"class":3100,"line":3248},[3098,11791,11792],{"class":3315},"        for",[3098,11794,3578],{"class":3112},[3098,11796,3126],{"class":3104},[3098,11798,4773],{"class":3108},[3098,11800,3113],{"class":3112},[3098,11802,5130],{"class":3198},[3098,11804,4781],{"class":3112},[3098,11806,4784],{"class":3108},[3098,11808,10023],{"class":3112},[3098,11810,11811],{"class":3108},"totalItems",[3098,11813,4781],{"class":3112},[3098,11815,4784],{"class":3108},[3098,11817,4797],{"class":3112},[3098,11819,11820],{"class":3100,"line":3441},[3098,11821,5289],{"class":3112},[3098,11823,11824,11827,11829,11832],{"class":3100,"line":3446},[3098,11825,11826],{"class":3108},"            ct",[3098,11828,3017],{"class":3112},[3098,11830,11831],{"class":3191},"ThrowIfCancellationRequested",[3098,11833,3604],{"class":3112},[3098,11835,11836],{"class":3100,"line":3452},[3098,11837,3136],{"emptyLinePlaceholder":3135},[3098,11839,11840],{"class":3100,"line":3471},[3098,11841,11842],{"class":3142},"            // Імітація затримки мережі\n",[3098,11844,11845,11847,11849,11851,11853,11855,11857,11859,11861],{"class":3100,"line":3492},[3098,11846,10143],{"class":3104},[3098,11848,3338],{"class":3108},[3098,11850,3017],{"class":3112},[3098,11852,4818],{"class":3191},[3098,11854,3195],{"class":3112},[3098,11856,6460],{"class":3198},[3098,11858,2975],{"class":3112},[3098,11860,3430],{"class":3108},[3098,11862,3433],{"class":3112},[3098,11864,11865],{"class":3100,"line":3497},[3098,11866,3136],{"emptyLinePlaceholder":3135},[3098,11868,11869,11871,11873,11875],{"class":3100,"line":3515},[3098,11870,5305],{"class":3315},[3098,11872,4836],{"class":3315},[3098,11874,4773],{"class":3108},[3098,11876,3170],{"class":3112},[3098,11878,11879],{"class":3100,"line":3536},[3098,11880,5318],{"class":3112},[3098,11882,11883],{"class":3100,"line":3561},[3098,11884,3625],{"class":3112},[3098,11886,11887],{"class":3100,"line":3566},[3098,11888,3650],{"class":3112},[3058,11890,11892],{"id":11891},"крок-3-processor-valuetask-для-оптимізації","Крок 3: Processor — ValueTask для оптимізації",[3089,11894,11897],{"className":3091,"code":11895,"filename":11896,"language":3093,"meta":3308,"style":3094},"using System.Collections.Concurrent;\n\nclass DataProcessor\n{\n    private readonly ConcurrentDictionary\u003Cint, string> _cache = new();\n\n    // ValueTask — синхронно для кешованих, async для нових\n    public async ValueTask\u003Cstring> ProcessAsync(int value, CancellationToken ct = default)\n    {\n        // Cache hit — синхронне повернення\n        if (_cache.TryGetValue(value, out var cached))\n        {\n            return cached;\n        }\n\n        // Cache miss — обробка\n        await Task.Delay(100, ct);  // Імітація обробки\n        var result = $\"Processed_{value}\";\n\n        _cache[value] = result;\n        return result;\n    }\n}\n","Processor.cs",[2968,11898,11899,11915,11919,11926,11930,11956,11960,11965,12000,12004,12009,12035,12039,12047,12051,12055,12060,12083,12104,12108,12123,12131,12135],{"__ignoreMap":3094},[3098,11900,11901,11903,11905,11907,11909,11911,11913],{"class":3100,"line":3101},[3098,11902,3316],{"class":3315},[3098,11904,3319],{"class":3119},[3098,11906,3017],{"class":3112},[3098,11908,4704],{"class":3119},[3098,11910,3017],{"class":3112},[3098,11912,6971],{"class":3119},[3098,11914,3170],{"class":3112},[3098,11916,11917],{"class":3100,"line":3132},[3098,11918,3136],{"emptyLinePlaceholder":3135},[3098,11920,11921,11923],{"class":3100,"line":3139},[3098,11922,5838],{"class":3104},[3098,11924,11925],{"class":3119}," DataProcessor\n",[3098,11927,11928],{"class":3100,"line":3146},[3098,11929,3368],{"class":3112},[3098,11931,11932,11934,11936,11938,11940,11942,11944,11946,11948,11950,11952,11954],{"class":3100,"line":3173},[3098,11933,5856],{"class":3104},[3098,11935,5859],{"class":3104},[3098,11937,7020],{"class":3119},[3098,11939,3123],{"class":3112},[3098,11941,3126],{"class":3104},[3098,11943,2975],{"class":3112},[3098,11945,5056],{"class":3104},[3098,11947,3155],{"class":3112},[3098,11949,7033],{"class":3108},[3098,11951,3113],{"class":3112},[3098,11953,3116],{"class":3104},[3098,11955,3604],{"class":3112},[3098,11957,11958],{"class":3100,"line":3178},[3098,11959,3136],{"emptyLinePlaceholder":3135},[3098,11961,11962],{"class":3100,"line":3184},[3098,11963,11964],{"class":3142},"    // ValueTask — синхронно для кешованих, async для нових\n",[3098,11966,11967,11969,11971,11973,11975,11977,11979,11982,11984,11986,11988,11990,11992,11994,11996,11998],{"class":3100,"line":3208},[3098,11968,5879],{"class":3104},[3098,11970,5882],{"class":3104},[3098,11972,5937],{"class":3119},[3098,11974,3123],{"class":3112},[3098,11976,5056],{"class":3104},[3098,11978,3155],{"class":3112},[3098,11980,11981],{"class":3191},"ProcessAsync",[3098,11983,3195],{"class":3112},[3098,11985,3126],{"class":3104},[3098,11987,6686],{"class":3108},[3098,11989,2975],{"class":3112},[3098,11991,3016],{"class":3119},[3098,11993,3355],{"class":3108},[3098,11995,3113],{"class":3112},[3098,11997,3360],{"class":3104},[3098,11999,3363],{"class":3112},[3098,12001,12002],{"class":3100,"line":3214},[3098,12003,3415],{"class":3112},[3098,12005,12006],{"class":3100,"line":3243},[3098,12007,12008],{"class":3142},"        // Cache hit — синхронне повернення\n",[3098,12010,12011,12013,12015,12017,12019,12021,12023,12025,12027,12029,12031,12033],{"class":3100,"line":3248},[3098,12012,5258],{"class":3315},[3098,12014,3578],{"class":3112},[3098,12016,7033],{"class":3108},[3098,12018,3017],{"class":3112},[3098,12020,7177],{"class":3191},[3098,12022,3195],{"class":3112},[3098,12024,7255],{"class":3108},[3098,12026,2975],{"class":3112},[3098,12028,7187],{"class":3104},[3098,12030,4106],{"class":3104},[3098,12032,7192],{"class":3108},[3098,12034,4888],{"class":3112},[3098,12036,12037],{"class":3100,"line":3441},[3098,12038,5289],{"class":3112},[3098,12040,12041,12043,12045],{"class":3100,"line":3446},[3098,12042,7203],{"class":3315},[3098,12044,7192],{"class":3108},[3098,12046,3170],{"class":3112},[3098,12048,12049],{"class":3100,"line":3452},[3098,12050,5318],{"class":3112},[3098,12052,12053],{"class":3100,"line":3471},[3098,12054,3136],{"emptyLinePlaceholder":3135},[3098,12056,12057],{"class":3100,"line":3492},[3098,12058,12059],{"class":3142},"        // Cache miss — обробка\n",[3098,12061,12062,12064,12066,12068,12070,12072,12074,12076,12078,12080],{"class":3100,"line":3497},[3098,12063,4811],{"class":3104},[3098,12065,3338],{"class":3108},[3098,12067,3017],{"class":3112},[3098,12069,4818],{"class":3191},[3098,12071,3195],{"class":3112},[3098,12073,4823],{"class":3198},[3098,12075,2975],{"class":3112},[3098,12077,3430],{"class":3108},[3098,12079,3530],{"class":3112},[3098,12081,12082],{"class":3142},"// Імітація обробки\n",[3098,12084,12085,12087,12089,12091,12094,12096,12098,12100,12102],{"class":3100,"line":3515},[3098,12086,5176],{"class":3104},[3098,12088,6831],{"class":3108},[3098,12090,3113],{"class":3112},[3098,12092,12093],{"class":3233},"$\"Processed_",[3098,12095,4196],{"class":4195},[3098,12097,7255],{"class":3108},[3098,12099,4207],{"class":4195},[3098,12101,4224],{"class":3233},[3098,12103,3170],{"class":3112},[3098,12105,12106],{"class":3100,"line":3536},[3098,12107,3136],{"emptyLinePlaceholder":3135},[3098,12109,12110,12112,12114,12116,12118,12121],{"class":3100,"line":3561},[3098,12111,7244],{"class":3108},[3098,12113,7247],{"class":3112},[3098,12115,7255],{"class":3108},[3098,12117,7252],{"class":3112},[3098,12119,12120],{"class":3108},"result",[3098,12122,3170],{"class":3112},[3098,12124,12125,12127,12129],{"class":3100,"line":3566},[3098,12126,5904],{"class":3315},[3098,12128,6831],{"class":3108},[3098,12130,3170],{"class":3112},[3098,12132,12133],{"class":3100,"line":3572},[3098,12134,3625],{"class":3112},[3098,12136,12137],{"class":3100,"line":3590},[3098,12138,3650],{"class":3112},[3058,12140,12142],{"id":12141},"крок-4-consumer-await-using-для-cleanup","Крок 4: Consumer — await using для cleanup",[3089,12144,12147],{"className":3091,"code":12145,"filename":12146,"language":3093,"meta":3308,"style":3094},"using System.IO;\n\nclass DataConsumer : IAsyncDisposable\n{\n    private readonly StreamWriter _writer;\n\n    public DataConsumer(string outputPath)\n    {\n        _writer = new StreamWriter(outputPath, append: false);\n    }\n\n    public async Task ConsumeAsync(string data, CancellationToken ct = default)\n    {\n        await _writer.WriteLineAsync(data.AsMemory(), ct);\n    }\n\n    public async ValueTask DisposeAsync()\n    {\n        await _writer.FlushAsync();\n        await _writer.DisposeAsync();\n    }\n}\n","Consumer.cs",[2968,12148,12149,12161,12165,12176,12180,12194,12198,12213,12217,12244,12248,12252,12281,12285,12312,12316,12320,12332,12336,12348,12361,12365],{"__ignoreMap":3094},[3098,12150,12151,12153,12155,12157,12159],{"class":3100,"line":3101},[3098,12152,3316],{"class":3315},[3098,12154,3319],{"class":3119},[3098,12156,3017],{"class":3112},[3098,12158,3751],{"class":3119},[3098,12160,3170],{"class":3112},[3098,12162,12163],{"class":3100,"line":3132},[3098,12164,3136],{"emptyLinePlaceholder":3135},[3098,12166,12167,12169,12172,12174],{"class":3100,"line":3139},[3098,12168,5838],{"class":3104},[3098,12170,12171],{"class":3119}," DataConsumer",[3098,12173,5844],{"class":3112},[3098,12175,5847],{"class":3119},[3098,12177,12178],{"class":3100,"line":3146},[3098,12179,3368],{"class":3112},[3098,12181,12182,12184,12186,12189,12192],{"class":3100,"line":3173},[3098,12183,5856],{"class":3104},[3098,12185,5859],{"class":3104},[3098,12187,12188],{"class":3119}," StreamWriter",[3098,12190,12191],{"class":3108}," _writer",[3098,12193,3170],{"class":3112},[3098,12195,12196],{"class":3100,"line":3178},[3098,12197,3136],{"emptyLinePlaceholder":3135},[3098,12199,12200,12202,12204,12206,12208,12211],{"class":3100,"line":3184},[3098,12201,5879],{"class":3104},[3098,12203,12171],{"class":3191},[3098,12205,3195],{"class":3112},[3098,12207,5056],{"class":3104},[3098,12209,12210],{"class":3108}," outputPath",[3098,12212,3363],{"class":3112},[3098,12214,12215],{"class":3100,"line":3208},[3098,12216,3415],{"class":3112},[3098,12218,12219,12222,12224,12226,12228,12230,12233,12235,12238,12240,12242],{"class":3100,"line":3214},[3098,12220,12221],{"class":3108},"        _writer",[3098,12223,3113],{"class":3112},[3098,12225,3116],{"class":3104},[3098,12227,12188],{"class":3119},[3098,12229,3195],{"class":3112},[3098,12231,12232],{"class":3108},"outputPath",[3098,12234,2975],{"class":3112},[3098,12236,12237],{"class":3108},"append",[3098,12239,10225],{"class":3112},[3098,12241,3716],{"class":3104},[3098,12243,3433],{"class":3112},[3098,12245,12246],{"class":3100,"line":3243},[3098,12247,3625],{"class":3112},[3098,12249,12250],{"class":3100,"line":3248},[3098,12251,3136],{"emptyLinePlaceholder":3135},[3098,12253,12254,12256,12258,12260,12263,12265,12267,12269,12271,12273,12275,12277,12279],{"class":3100,"line":3441},[3098,12255,5879],{"class":3104},[3098,12257,5882],{"class":3104},[3098,12259,3338],{"class":3119},[3098,12261,12262],{"class":3191}," ConsumeAsync",[3098,12264,3195],{"class":3112},[3098,12266,5056],{"class":3104},[3098,12268,6061],{"class":3108},[3098,12270,2975],{"class":3112},[3098,12272,3016],{"class":3119},[3098,12274,3355],{"class":3108},[3098,12276,3113],{"class":3112},[3098,12278,3360],{"class":3104},[3098,12280,3363],{"class":3112},[3098,12282,12283],{"class":3100,"line":3446},[3098,12284,3415],{"class":3112},[3098,12286,12287,12289,12291,12293,12296,12298,12300,12302,12305,12308,12310],{"class":3100,"line":3452},[3098,12288,4811],{"class":3104},[3098,12290,12191],{"class":3108},[3098,12292,3017],{"class":3112},[3098,12294,12295],{"class":3191},"WriteLineAsync",[3098,12297,3195],{"class":3112},[3098,12299,6086],{"class":3108},[3098,12301,3017],{"class":3112},[3098,12303,12304],{"class":3191},"AsMemory",[3098,12306,12307],{"class":3112},"(), ",[3098,12309,3430],{"class":3108},[3098,12311,3433],{"class":3112},[3098,12313,12314],{"class":3100,"line":3471},[3098,12315,3625],{"class":3112},[3098,12317,12318],{"class":3100,"line":3492},[3098,12319,3136],{"emptyLinePlaceholder":3135},[3098,12321,12322,12324,12326,12328,12330],{"class":3100,"line":3497},[3098,12323,5879],{"class":3104},[3098,12325,5882],{"class":3104},[3098,12327,5937],{"class":3119},[3098,12329,5812],{"class":3191},[3098,12331,4529],{"class":3112},[3098,12333,12334],{"class":3100,"line":3515},[3098,12335,3415],{"class":3112},[3098,12337,12338,12340,12342,12344,12346],{"class":3100,"line":3536},[3098,12339,4811],{"class":3104},[3098,12341,12191],{"class":3108},[3098,12343,3017],{"class":3112},[3098,12345,6141],{"class":3191},[3098,12347,3604],{"class":3112},[3098,12349,12350,12352,12354,12356,12359],{"class":3100,"line":3561},[3098,12351,4811],{"class":3104},[3098,12353,12191],{"class":3108},[3098,12355,3017],{"class":3112},[3098,12357,12358],{"class":3191},"DisposeAsync",[3098,12360,3604],{"class":3112},[3098,12362,12363],{"class":3100,"line":3566},[3098,12364,3625],{"class":3112},[3098,12366,12367],{"class":3100,"line":3572},[3098,12368,3650],{"class":3112},[3058,12370,12372],{"id":12371},"крок-5-pipeline-orchestrator","Крок 5: Pipeline Orchestrator",[3089,12374,12377],{"className":3091,"code":12375,"filename":12376,"language":3093,"meta":3308,"style":3094},"class AsyncPipeline\n{\n    private readonly DataProducer _producer = new();\n    private readonly DataProcessor _processor = new();\n\n    public async Task RunAsync(\n        int itemCount,\n        string outputPath,\n        CancellationToken ct = default)\n    {\n        await using var consumer = new DataConsumer(outputPath);\n\n        int processed = 0;\n        var sw = System.Diagnostics.Stopwatch.StartNew();\n\n        // IAsyncEnumerable — streaming без завантаження всього в пам'ять\n        await foreach (var item in _producer.ProduceAsync(itemCount, ct))\n        {\n            // ValueTask — оптимізація для кешованих значень\n            var result = await _processor.ProcessAsync(item, ct);\n\n            // IAsyncDisposable — правильний async cleanup\n            await consumer.ConsumeAsync(result, ct);\n\n            processed++;\n\n            if (processed % 10 == 0)\n            {\n                Console.WriteLine($\"Оброблено: {processed}/{itemCount} \" +\n                    $\"({sw.Elapsed.TotalSeconds:F1}s)\");\n            }\n        }\n\n        sw.Stop();\n        Console.WriteLine($\"\\n✅ Pipeline завершено: {processed} елементів за {sw.Elapsed.TotalSeconds:F1}s\");\n    }\n}\n","Pipeline.cs",[2968,12378,12379,12385,12389,12407,12425,12429,12442,12451,12460,12473,12477,12500,12504,12516,12545,12549,12554,12585,12589,12594,12622,12626,12631,12652,12656,12663,12667,12688,12693,12727,12759,12764,12768,12772,12784,12836,12840],{"__ignoreMap":3094},[3098,12380,12381,12383],{"class":3100,"line":3101},[3098,12382,5838],{"class":3104},[3098,12384,11657],{"class":3119},[3098,12386,12387],{"class":3100,"line":3132},[3098,12388,3368],{"class":3112},[3098,12390,12391,12393,12395,12398,12401,12403,12405],{"class":3100,"line":3139},[3098,12392,5856],{"class":3104},[3098,12394,5859],{"class":3104},[3098,12396,12397],{"class":3119}," DataProducer",[3098,12399,12400],{"class":3108}," _producer",[3098,12402,3113],{"class":3112},[3098,12404,3116],{"class":3104},[3098,12406,3604],{"class":3112},[3098,12408,12409,12411,12413,12416,12419,12421,12423],{"class":3100,"line":3146},[3098,12410,5856],{"class":3104},[3098,12412,5859],{"class":3104},[3098,12414,12415],{"class":3119}," DataProcessor",[3098,12417,12418],{"class":3108}," _processor",[3098,12420,3113],{"class":3112},[3098,12422,3116],{"class":3104},[3098,12424,3604],{"class":3112},[3098,12426,12427],{"class":3100,"line":3173},[3098,12428,3136],{"emptyLinePlaceholder":3135},[3098,12430,12431,12433,12435,12437,12440],{"class":3100,"line":3178},[3098,12432,5879],{"class":3104},[3098,12434,5882],{"class":3104},[3098,12436,3338],{"class":3119},[3098,12438,12439],{"class":3191}," RunAsync",[3098,12441,3776],{"class":3112},[3098,12443,12444,12446,12449],{"class":3100,"line":3184},[3098,12445,11759],{"class":3104},[3098,12447,12448],{"class":3108}," itemCount",[3098,12450,3787],{"class":3112},[3098,12452,12453,12456,12458],{"class":3100,"line":3208},[3098,12454,12455],{"class":3104},"        string",[3098,12457,12210],{"class":3108},[3098,12459,3787],{"class":3112},[3098,12461,12462,12465,12467,12469,12471],{"class":3100,"line":3214},[3098,12463,12464],{"class":3119},"        CancellationToken",[3098,12466,3355],{"class":3108},[3098,12468,3113],{"class":3112},[3098,12470,3360],{"class":3104},[3098,12472,3363],{"class":3112},[3098,12474,12475],{"class":3100,"line":3243},[3098,12476,3415],{"class":3112},[3098,12478,12479,12481,12483,12485,12488,12490,12492,12494,12496,12498],{"class":3100,"line":3248},[3098,12480,4811],{"class":3104},[3098,12482,6034],{"class":3315},[3098,12484,4106],{"class":3104},[3098,12486,12487],{"class":3108}," consumer",[3098,12489,3113],{"class":3112},[3098,12491,3116],{"class":3104},[3098,12493,12171],{"class":3119},[3098,12495,3195],{"class":3112},[3098,12497,12232],{"class":3108},[3098,12499,3433],{"class":3112},[3098,12501,12502],{"class":3100,"line":3441},[3098,12503,3136],{"emptyLinePlaceholder":3135},[3098,12505,12506,12508,12510,12512,12514],{"class":3100,"line":3446},[3098,12507,11759],{"class":3104},[3098,12509,8632],{"class":3108},[3098,12511,3113],{"class":3112},[3098,12513,4778],{"class":3198},[3098,12515,3170],{"class":3112},[3098,12517,12518,12520,12523,12525,12528,12530,12533,12535,12538,12540,12543],{"class":3100,"line":3452},[3098,12519,5176],{"class":3104},[3098,12521,12522],{"class":3108}," sw",[3098,12524,3113],{"class":3112},[3098,12526,12527],{"class":3108},"System",[3098,12529,3017],{"class":3112},[3098,12531,12532],{"class":3108},"Diagnostics",[3098,12534,3017],{"class":3112},[3098,12536,12537],{"class":3108},"Stopwatch",[3098,12539,3017],{"class":3112},[3098,12541,12542],{"class":3191},"StartNew",[3098,12544,3604],{"class":3112},[3098,12546,12547],{"class":3100,"line":3471},[3098,12548,3136],{"emptyLinePlaceholder":3135},[3098,12550,12551],{"class":3100,"line":3492},[3098,12552,12553],{"class":3142},"        // IAsyncEnumerable — streaming без завантаження всього в пам'ять\n",[3098,12555,12556,12558,12560,12562,12564,12566,12568,12570,12572,12574,12576,12579,12581,12583],{"class":3100,"line":3497},[3098,12557,4811],{"class":3104},[3098,12559,4868],{"class":3315},[3098,12561,3578],{"class":3112},[3098,12563,3105],{"class":3104},[3098,12565,5699],{"class":3108},[3098,12567,4613],{"class":3315},[3098,12569,12400],{"class":3108},[3098,12571,3017],{"class":3112},[3098,12573,11752],{"class":3191},[3098,12575,3195],{"class":3112},[3098,12577,12578],{"class":3108},"itemCount",[3098,12580,2975],{"class":3112},[3098,12582,3430],{"class":3108},[3098,12584,4888],{"class":3112},[3098,12586,12587],{"class":3100,"line":3515},[3098,12588,5289],{"class":3112},[3098,12590,12591],{"class":3100,"line":3536},[3098,12592,12593],{"class":3142},"            // ValueTask — оптимізація для кешованих значень\n",[3098,12595,12596,12599,12601,12603,12605,12607,12609,12611,12613,12616,12618,12620],{"class":3100,"line":3561},[3098,12597,12598],{"class":3108},"            var",[3098,12600,6831],{"class":3108},[3098,12602,3113],{"class":3112},[3098,12604,2974],{"class":3104},[3098,12606,12418],{"class":3108},[3098,12608,3017],{"class":3112},[3098,12610,11981],{"class":3191},[3098,12612,3195],{"class":3112},[3098,12614,12615],{"class":3108},"item",[3098,12617,2975],{"class":3112},[3098,12619,3430],{"class":3108},[3098,12621,3433],{"class":3112},[3098,12623,12624],{"class":3100,"line":3566},[3098,12625,3136],{"emptyLinePlaceholder":3135},[3098,12627,12628],{"class":3100,"line":3572},[3098,12629,12630],{"class":3142},"            // IAsyncDisposable — правильний async cleanup\n",[3098,12632,12633,12635,12637,12639,12642,12644,12646,12648,12650],{"class":3100,"line":3590},[3098,12634,10143],{"class":3104},[3098,12636,12487],{"class":3108},[3098,12638,3017],{"class":3112},[3098,12640,12641],{"class":3191},"ConsumeAsync",[3098,12643,3195],{"class":3112},[3098,12645,12120],{"class":3108},[3098,12647,2975],{"class":3112},[3098,12649,3430],{"class":3108},[3098,12651,3433],{"class":3112},[3098,12653,12654],{"class":3100,"line":3595},[3098,12655,3136],{"emptyLinePlaceholder":3135},[3098,12657,12658,12661],{"class":3100,"line":3607},[3098,12659,12660],{"class":3108},"            processed",[3098,12662,5374],{"class":3112},[3098,12664,12665],{"class":3100,"line":3622},[3098,12666,3136],{"emptyLinePlaceholder":3135},[3098,12668,12669,12672,12674,12677,12680,12682,12684,12686],{"class":3100,"line":3628},[3098,12670,12671],{"class":3191},"            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sw",[3098,12778,3017],{"class":3112},[3098,12780,12781],{"class":3191},"Stop",[3098,12783,3604],{"class":3112},[3098,12785,12786,12788,12790,12792,12794,12797,12801,12804,12806,12808,12810,12813,12815,12817,12819,12821,12823,12825,12827,12829,12831,12834],{"class":3100,"line":4090},[3098,12787,5605],{"class":3108},[3098,12789,3017],{"class":3112},[3098,12791,3686],{"class":3191},[3098,12793,3195],{"class":3112},[3098,12795,12796],{"class":3233},"$\"",[3098,12798,12800],{"class":12799},"sjcCO","\\n",[3098,12802,12803],{"class":3233},"✅ Pipeline завершено: ",[3098,12805,4196],{"class":4195},[3098,12807,12676],{"class":3108},[3098,12809,4207],{"class":4195},[3098,12811,12812],{"class":3233}," елементів за 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 cts.Cancel();\n};\n\nvar pipeline = new AsyncPipeline();\n\ntry\n{\n    await pipeline.RunAsync(\n        itemCount: 100,\n        outputPath: \"output.txt\",\n        ct: cts.Token\n    );\n}\ncatch (OperationCanceledException)\n{\n    Console.WriteLine(\"Pipeline скасовано користувачем\");\n}\ncatch (Exception ex)\n{\n    Console.WriteLine($\"❌ Помилка: 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Ctrl+C для graceful shutdown\n",[3098,12902,12903,12905,12907,12910,12913,12915,12917,12919],{"class":3100,"line":3184},[3098,12904,3681],{"class":3108},[3098,12906,3017],{"class":3112},[3098,12908,12909],{"class":3108},"CancelKeyPress",[3098,12911,12912],{"class":3112}," += (",[3098,12914,3486],{"class":3108},[3098,12916,2975],{"class":3112},[3098,12918,3943],{"class":3108},[3098,12920,12921],{"class":3112},") =>\n",[3098,12923,12924],{"class":3100,"line":3208},[3098,12925,3368],{"class":3112},[3098,12927,12928,12931,12933,12936,12938,12940],{"class":3100,"line":3214},[3098,12929,12930],{"class":3108},"    e",[3098,12932,3017],{"class":3112},[3098,12934,12935],{"class":3108},"Cancel",[3098,12937,3113],{"class":3112},[3098,12939,3527],{"class":3104},[3098,12941,3170],{"class":3112},[3098,12943,12944,12946,12948,12950,12952,12954,12956,12959],{"class":3100,"line":3243},[3098,12945,4183],{"class":3108},[3098,12947,3017],{"class":3112},[3098,12949,3686],{"class":3191},[3098,12951,3195],{"class":3112},[3098,12953,4224],{"class":3233},[3098,12955,12800],{"class":12799},[3098,12957,12958],{"class":3233},"⚠️ Скасування pipeline...\"",[3098,12960,3433],{"class":3112},[3098,12962,12963,12966,12968,12970],{"class":3100,"line":3248},[3098,12964,12965],{"class":3108},"    cts",[3098,12967,3017],{"class":3112},[3098,12969,12935],{"class":3191},[3098,12971,3604],{"class":3112},[3098,12973,12974],{"class":3100,"line":3441},[3098,12975,8239],{"class":3112},[3098,12977,12978],{"class":3100,"line":3446},[3098,12979,3136],{"emptyLinePlaceholder":3135},[3098,12981,12982,12984,12987,12989,12991,12994],{"class":3100,"line":3452},[3098,12983,3105],{"class":3104},[3098,12985,12986],{"class":3108}," pipeline",[3098,12988,3113],{"class":3112},[3098,12990,3116],{"class":3104},[3098,12992,12993],{"class":3119}," AsyncPipeline",[3098,12995,3604],{"class":3112},[3098,12997,12998],{"class":3100,"line":3471},[3098,12999,3136],{"emptyLinePlaceholder":3135},[3098,13001,13002],{"class":3100,"line":3492},[3098,13003,4140],{"class":3315},[3098,13005,13006],{"class":3100,"line":3497},[3098,13007,3368],{"class":3112},[3098,13009,13010,13012,13014,13016,13019],{"class":3100,"line":3515},[3098,13011,5564],{"class":3104},[3098,13013,12986],{"class":3108},[3098,13015,3017],{"class":3112},[3098,13017,13018],{"class":3191},"RunAsync",[3098,13020,3776],{"class":3112},[3098,13022,13023,13026,13028,13030],{"class":3100,"line":3536},[3098,13024,13025],{"class":3108},"        itemCount",[3098,13027,10225],{"class":3112},[3098,13029,4823],{"class":3198},[3098,13031,3787],{"class":3112},[3098,13033,13034,13037,13039,13042],{"class":3100,"line":3561},[3098,13035,13036],{"class":3108},"        outputPath",[3098,13038,10225],{"class":3112},[3098,13040,13041],{"class":3233},"\"output.txt\"",[3098,13043,3787],{"class":3112},[3098,13045,13046,13049,13051,13053,13055],{"class":3100,"line":3566},[3098,13047,13048],{"class":3108},"        ct",[3098,13050,10225],{"class":3112},[3098,13052,4170],{"class":3108},[3098,13054,3017],{"class":3112},[3098,13056,13057],{"class":3108},"Token\n",[3098,13059,13060],{"class":3100,"line":3572},[3098,13061,13062],{"class":3112},"    );\n",[3098,13064,13065],{"class":3100,"line":3590},[3098,13066,3650],{"class":3112},[3098,13068,13069,13071,13073,13075],{"class":3100,"line":3595},[3098,13070,4237],{"class":3315},[3098,13072,3578],{"class":3112},[3098,13074,4242],{"class":3119},[3098,13076,3363],{"class":3112},[3098,13078,13079],{"class":3100,"line":3607},[3098,13080,3368],{"class":3112},[3098,13082,13083,13085,13087,13089,13091,13094],{"class":3100,"line":3622},[3098,13084,4183],{"class":3108},[3098,13086,3017],{"class":3112},[3098,13088,3686],{"class":3191},[3098,13090,3195],{"class":3112},[3098,13092,13093],{"class":3233},"\"Pipeline скасовано 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run",[7948,13178,13180],{"className":13179},[3100],"Оброблено: 10/100 (0.6s)",[7948,13182,13184],{"className":13183},[3100],"Оброблено: 20/100 (1.1s)",[7948,13186,13188],{"className":13187},[3100],"Оброблено: 30/100 (1.6s)",[7948,13190,13192],{"className":13191},[3100],"Оброблено: 40/100 (2.1s)",[7948,13194,13196],{"className":13195},[3100],"Оброблено: 50/100 (2.6s)",[7948,13198,13200],{"className":13199},[3100],"Оброблено: 60/100 (3.1s)",[7948,13202,13204],{"className":13203},[3100],"Оброблено: 70/100 (3.6s)",[7948,13206,13208],{"className":13207},[3100],"Оброблено: 80/100 (4.1s)",[7948,13210,13212],{"className":13211},[3100],"Оброблено: 90/100 (4.6s)",[7948,13214,13216],{"className":13215},[3100],"Оброблено: 100/100 (5.1s)",[7948,13218],{"className":13219},[3100],[7948,13221,13223],{"className":13222},[3100],[3098,13224,13226],{"className":13225},[8026,8034],"✅ Pipeline завершено: 100 елементів за 5.1s",[3047,13228],{},[2959,13230,13232],{"id":13231},"діаграма-async-patterns-ecosystem","Діаграма: Async Patterns Ecosystem",[13234,13235,13236],"mermaid",{},[3089,13237,13240],{"className":13238,"code":13239,"language":13234,"meta":3094,"style":3094},"language-mermaid shiki shiki-themes light-plus dark-plus dark-plus","graph TB\n    subgraph \"Legacy Integration\"\n        A[Callback API] -->|TaskCompletionSource| B[Task-based]\n        C[Event-based API] -->|TaskCompletionSource| B\n    end\n\n    subgraph \"Streaming Data\"\n        D[IEnumerable] -->|async + yield| E[IAsyncEnumerable]\n        E -->|await foreach| F[Consumer]\n    end\n\n    subgraph \"Resource Management\"\n        G[IDisposable] -->|async cleanup| H[IAsyncDisposable]\n        H -->|await using| I[Automatic Cleanup]\n    end\n\n    subgraph \"Performance\"\n        J[Task allocation] -->|zero-alloc| K[ValueTask]\n        K -->|hot paths| L[High Performance]\n    end\n\n    B --> M[Modern Async Code]\n    F --> M\n    I --> M\n    L --> M\n\n    style A fill:#f59e0b,stroke:#b45309,color:#ffffff\n    style C fill:#f59e0b,stroke:#b45309,color:#ffffff\n    style D fill:#f59e0b,stroke:#b45309,color:#ffffff\n    style G fill:#f59e0b,stroke:#b45309,color:#ffffff\n    style J fill:#f59e0b,stroke:#b45309,color:#ffffff\n    style M fill:#10b981,stroke:#059669,color:#ffffff\n",[2968,13241,13242,13247,13252,13257,13262,13267,13271,13276,13281,13286,13290,13294,13299,13304,13309,13313,13317,13322,13327,13332,13336,13340,13345,13350,13355,13360,13364,13369,13374,13379,13384,13389],{"__ignoreMap":3094},[3098,13243,13244],{"class":3100,"line":3101},[3098,13245,13246],{},"graph TB\n",[3098,13248,13249],{"class":3100,"line":3132},[3098,13250,13251],{},"    subgraph \"Legacy Integration\"\n",[3098,13253,13254],{"class":3100,"line":3139},[3098,13255,13256],{},"        A[Callback API] -->|TaskCompletionSource| B[Task-based]\n",[3098,13258,13259],{"class":3100,"line":3146},[3098,13260,13261],{},"        C[Event-based API] -->|TaskCompletionSource| B\n",[3098,13263,13264],{"class":3100,"line":3173},[3098,13265,13266],{},"    end\n",[3098,13268,13269],{"class":3100,"line":3178},[3098,13270,3136],{"emptyLinePlaceholder":3135},[3098,13272,13273],{"class":3100,"line":3184},[3098,13274,13275],{},"    subgraph \"Streaming Data\"\n",[3098,13277,13278],{"class":3100,"line":3208},[3098,13279,13280],{},"        D[IEnumerable] -->|async + yield| E[IAsyncEnumerable]\n",[3098,13282,13283],{"class":3100,"line":3214},[3098,13284,13285],{},"        E -->|await foreach| F[Consumer]\n",[3098,13287,13288],{"class":3100,"line":3243},[3098,13289,13266],{},[3098,13291,13292],{"class":3100,"line":3248},[3098,13293,3136],{"emptyLinePlaceholder":3135},[3098,13295,13296],{"class":3100,"line":3441},[3098,13297,13298],{},"    subgraph \"Resource Management\"\n",[3098,13300,13301],{"class":3100,"line":3446},[3098,13302,13303],{},"        G[IDisposable] -->|async cleanup| H[IAsyncDisposable]\n",[3098,13305,13306],{"class":3100,"line":3452},[3098,13307,13308],{},"        H -->|await using| I[Automatic Cleanup]\n",[3098,13310,13311],{"class":3100,"line":3471},[3098,13312,13266],{},[3098,13314,13315],{"class":3100,"line":3492},[3098,13316,3136],{"emptyLinePlaceholder":3135},[3098,13318,13319],{"class":3100,"line":3497},[3098,13320,13321],{},"    subgraph \"Performance\"\n",[3098,13323,13324],{"class":3100,"line":3515},[3098,13325,13326],{},"        J[Task allocation] -->|zero-alloc| K[ValueTask]\n",[3098,13328,13329],{"class":3100,"line":3536},[3098,13330,13331],{},"        K -->|hot paths| L[High Performance]\n",[3098,13333,13334],{"class":3100,"line":3561},[3098,13335,13266],{},[3098,13337,13338],{"class":3100,"line":3566},[3098,13339,3136],{"emptyLinePlaceholder":3135},[3098,13341,13342],{"class":3100,"line":3572},[3098,13343,13344],{},"    B --> M[Modern Async Code]\n",[3098,13346,13347],{"class":3100,"line":3590},[3098,13348,13349],{},"    F --> M\n",[3098,13351,13352],{"class":3100,"line":3595},[3098,13353,13354],{},"    I --> M\n",[3098,13356,13357],{"class":3100,"line":3607},[3098,13358,13359],{},"    L --> M\n",[3098,13361,13362],{"class":3100,"line":3622},[3098,13363,3136],{"emptyLinePlaceholder":3135},[3098,13365,13366],{"class":3100,"line":3628},[3098,13367,13368],{},"    style A fill:#f59e0b,stroke:#b45309,color:#ffffff\n",[3098,13370,13371],{"class":3100,"line":3633},[3098,13372,13373],{},"    style C fill:#f59e0b,stroke:#b45309,color:#ffffff\n",[3098,13375,13376],{"class":3100,"line":3647},[3098,13377,13378],{},"    style D fill:#f59e0b,stroke:#b45309,color:#ffffff\n",[3098,13380,13381],{"class":3100,"line":3653},[3098,13382,13383],{},"    style G fill:#f59e0b,stroke:#b45309,color:#ffffff\n",[3098,13385,13386],{"class":3100,"line":3658},[3098,13387,13388],{},"    style J fill:#f59e0b,stroke:#b45309,color:#ffffff\n",[3098,13390,13391],{"class":3100,"line":3664},[3098,13392,13393],{},"    style M fill:#10b981,stroke:#059669,color:#ffffff\n",[3047,13395],{},[2959,13397,13399],{"id":13398},"підсумок","Підсумок",[13401,13402,13403,13426,13451,13473],"card-group",{},[13404,13405,13407],"card",{"icon":13406,"title":3036},"i-lucide-git-merge",[4935,13408,13409,13412,13415,13421],{},[4938,13410,13411],{},"Ручне керування станом Task",[4938,13413,13414],{},"Перетворення callback/event API на async",[4938,13416,13417,13420],{},[2968,13418,13419],{},"TrySetResult/Exception/Canceled"," для безпеки",[4938,13422,13423,13425],{},[2968,13424,4376],{}," для бібліотек",[13404,13427,13429],{"icon":13428,"title":3040},"i-lucide-workflow",[4935,13430,13431,13434,13441,13446],{},[4938,13432,13433],{},"Streaming великих наборів даних",[4938,13435,13436,4680,13438,13440],{},[2968,13437,2970],{},[2968,13439,4661],{}," одночасно",[4938,13442,13443,13445],{},[2968,13444,5491],{}," для споживання",[4938,13447,13448,13450],{},[2968,13449,5483],{}," для CancellationToken",[13404,13452,13454],{"icon":13453,"title":5780},"i-lucide-trash-2",[4935,13455,13456,13459,13464,13467],{},[4938,13457,13458],{},"Async cleanup ресурсів",[4938,13460,13461,13463],{},[2968,13462,6562],{}," синтаксис",[4938,13465,13466],{},"Реалізуйте обидва IDisposable + IAsyncDisposable",[4938,13468,13469,13470,13472],{},"Уникайте ",[2968,13471,6555],{}," у Dispose()",[13404,13474,13475],{"icon":92,"title":3044},[4935,13476,13477,13480,13483,13486],{},[4938,13478,13479],{},"Zero-allocation для синхронних шляхів",[4938,13481,13482],{},"Використовуйте у hot paths з кешуванням",[4938,13484,13485],{},"Await тільки один раз!",[4938,13487,13488,13491],{},[2968,13489,13490],{},".AsTask()"," для гнучкості",[3047,13493],{},[2959,13495,13497],{"id":13496},"практичні-завдання","Практичні Завдання",[3058,13499,13501],{"id":13500},"рівень-1-taskcompletionsource-wrapper","Рівень 1: TaskCompletionSource Wrapper",[2964,13503,13504,13505,13507],{},"Напишіть обгортку для ",[2968,13506,3299],{},", що:",[7439,13509,13510,13516,13522,13525],{},[4938,13511,13512,13513,13515],{},"Повертає ",[2968,13514,2978],{},", що завершується після заданого часу",[4938,13517,13518,13519,13521],{},"Підтримує ",[2968,13520,3016],{}," (скасування таймера)",[4938,13523,13524],{},"Правильно звільняє ресурси (Timer.Dispose)",[4938,13526,13527],{},"Обробляє race condition між timeout та cancellation",[2964,13529,13530],{},[2989,13531,13532],{},"Тести:",[4935,13534,13535,13538,13541],{},[4938,13536,13537],{},"Таймер на 1 секунду завершується успішно",[4938,13539,13540],{},"Cancellation через 500ms скасовує таймер",[4938,13542,13543],{},"Повторний виклик не створює memory leak",[3058,13545,13547],{"id":13546},"рівень-2-async-producer-consumer-з-iasyncenumerable","Рівень 2: Async Producer-Consumer з IAsyncEnumerable",[2964,13549,13550],{},"Реалізуйте систему обробки логів:",[7439,13552,13553,13562,13568,13574,13580],{},[4938,13554,13555,13558,13559],{},[2968,13556,13557],{},"LogProducer"," читає файл по рядках через ",[2968,13560,13561],{},"IAsyncEnumerable\u003Cstring>",[4938,13563,13564,13567],{},[2968,13565,13566],{},"LogParser"," парсить рядки у structured logs (async, з кешуванням через ValueTask)",[4938,13569,13570,13573],{},[2968,13571,13572],{},"LogAggregator"," групує логи за рівнем (ERROR, WARN, INFO)",[4938,13575,13576,13579],{},[2968,13577,13578],{},"LogWriter"," записує результат у JSON файл (IAsyncDisposable)",[4938,13581,13582],{},"Підтримка CancellationToken на всіх рівнях",[2964,13584,13585],{},[2989,13586,13587],{},"Вимоги:",[4935,13589,13590,13593,13596],{},[4938,13591,13592],{},"Обробка файлів до 1 GB без OOM",[4938,13594,13595],{},"Graceful shutdown при Ctrl+C",[4938,13597,13598],{},"Progress reporting кожні 10,000 рядків",[3058,13600,13602],{"id":13601},"рівень-3-custom-asynclock","Рівень 3: Custom AsyncLock",[2964,13604,13605,13606,13609,13610,4933],{},"Реалізуйте власний ",[2968,13607,13608],{},"AsyncLock"," через ",[2968,13611,3052],{},[7439,13613,13614,13627,13630,13633,13636],{},[4938,13615,13616,3710,13619,13622,13623,13626],{},[2968,13617,13618],{},"LockAsync()",[2968,13620,13621],{},"Task\u003CIDisposable>"," (або ",[2968,13624,13625],{},"ValueTask\u003CIAsyncDisposable>",")",[4938,13628,13629],{},"Тільки один потік може тримати lock одночасно",[4938,13631,13632],{},"Інші потоки чекають у черзі (FIFO)",[4938,13634,13635],{},"Підтримка CancellationToken (скасування очікування)",[4938,13637,13638],{},"Підтримка timeout",[2964,13640,13641],{},[2989,13642,13532],{},[4935,13644,13645,13648,13651,13654],{},[4938,13646,13647],{},"10 потоків конкурують за lock — всі виконуються послідовно",[4938,13649,13650],{},"Cancellation звільняє місце у черзі",[4938,13652,13653],{},"Timeout викидає TimeoutException",[4938,13655,13656],{},"Dispose lock звільняє наступний waiter",[2964,13658,13659],{},[2989,13660,13661],{},"Benchmark:",[4935,13663,13664],{},[4938,13665,13666,13667,13670],{},"Порівняйте з ",[2968,13668,13669],{},"SemaphoreSlim(1,1)"," за швидкістю та allocation",[3047,13672],{},[4469,13674,13675,3296,13678,13682],{},[2989,13676,13677],{},"Наступна тема:",[13679,13680,13681],"a",{"href":353},"Channels — System.Threading.Channels"," — async-native producer/consumer patterns для high-performance pipelines.",[13684,13685,13686],"style",{},"html pre.shiki code .su1O8, html code.shiki .su1O8{--shiki-light:#0000FF;--shiki-default:#569CD6;--shiki-dark:#569CD6}html pre.shiki code .siwwj, html code.shiki .siwwj{--shiki-light:#001080;--shiki-default:#9CDCFE;--shiki-dark:#9CDCFE}html pre.shiki code .sHH4Y, html code.shiki .sHH4Y{--shiki-light:#000000;--shiki-default:#D4D4D4;--shiki-dark:#D4D4D4}html pre.shiki code .sN1BT, html code.shiki .sN1BT{--shiki-light:#267F99;--shiki-default:#4EC9B0;--shiki-dark:#4EC9B0}html pre.shiki code .spJ8K, html 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Async",[13713,13714,13715,13716,13717,13718],{"id":6576,"depth":3139,"text":6577},{"id":6716,"depth":3139,"text":6717},{"id":6886,"depth":3139,"text":6887},{"id":6949,"depth":3139,"text":6950},{"id":7429,"depth":3139,"text":7430},{"id":7619,"depth":3139,"text":7620},{"id":8050,"depth":3132,"text":8051,"children":13720},[13721,13722,13723,13724,13725,13726],{"id":8054,"depth":3139,"text":8055},{"id":8261,"depth":3139,"text":8262},{"id":8361,"depth":3139,"text":8362},{"id":8561,"depth":3139,"text":8562},{"id":8747,"depth":3139,"text":8748},{"id":8979,"depth":3139,"text":8980},{"id":9153,"depth":3132,"text":9154,"children":13728},[13729,13730,13731,13733,13734],{"id":9157,"depth":3139,"text":9158},{"id":9338,"depth":3139,"text":9339},{"id":9573,"depth":3139,"text":13732},"Lazy\u003CTask>: Lazy Async Initialization",{"id":9874,"depth":3139,"text":9875},{"id":10330,"depth":3139,"text":10331},{"id":10792,"depth":3132,"text":10793,"children":13736},[13737,13738],{"id":10796,"depth":3139,"text":10797},{"id":11170,"depth":3139,"text":11171},{"id":11623,"depth":3132,"text":11624,"children":13740},[13741,13742,13743,13744,13745,13746,13747],{"id":11633,"depth":3139,"text":11634},{"id":11680,"depth":3139,"text":11681},{"id":11891,"depth":3139,"text":11892},{"id":12141,"depth":3139,"text":12142},{"id":12371,"depth":3139,"text":12372},{"id":12846,"depth":3139,"text":12847},{"id":13149,"depth":3139,"text":13150},{"id":13231,"depth":3132,"text":13232},{"id":13398,"depth":3132,"text":13399},{"id":13496,"depth":3132,"text":13497,"children":13751},[13752,13753,13754],{"id":13500,"depth":3139,"text":13501},{"id":13546,"depth":3139,"text":13547},{"id":13601,"depth":3139,"text":13602},"Глибокий розбір просунутих асинхронних паттернів у C# — TaskCompletionSource для перетворення callback-based API, IAsyncEnumerable для streaming даних, ValueTask для оптимізації, та best practices для production-ready коду.","md",null,{},{"title":348,"description":13755},"7rjVQ_RTy_gUqWRaY56eGFKwOA4rg3dBZiaEvQxmWqM",[13762,13764],{"title":344,"path":345,"stem":346,"description":13763,"children":-1},"Глибокий академічний розбір SynchronizationContext у .NET — UI thread affinity, ConfigureAwait(false), deadlock scenarios, ExecutionContext, AsyncLocal\u003CT> та best practices для бібліотечного та UI коду.",{"title":352,"path":353,"stem":354,"description":13765,"children":-1},"Повний розбір System.Threading.Channels — async-native producer/consumer patterns для high-performance pipelines. Bounded та Unbounded channels, BoundedChannelFullMode, multi-stage pipelines, BackgroundService інтеграція та benchmarks проти BlockingCollection.",1777912544706]