Contents tagged with Reactive Extensions

• Understanding C# async / await (2) The Awaitable-Awaiter Pattern

  Saturday, December 29, 2012

  .NET Async Await C# C# 5.0 Rx Reactive Extensions Observable

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  Understanding C# async / await:

  • Understanding C# async / await (1) Compilation
  • Understanding C# async / await (2) Awaitable-Awaiter Pattern
  • Understanding C# async / await (3) Runtime Context

  What is awaitable

  Part 1 shows that any Task is awaitable. Actually there are other awaitable types. Here is an example:

  Task<int> task = new Task<int>(() => 0);
  int result = await task.ConfigureAwait(false); // Returns a ConfiguredTaskAwaitable<TResult>.

  The returned ConfiguredTaskAwaitable<TResult> struct is awaitable. And it is not Task at all:

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