SO_22541734

  /*
    // http://stackoverflow.com/q/22541734/1768303

    public static class TaskExt
    {
        public static async Task<bool> Convert(this Task @this)
        {
            await @this.ConfigureAwait(false);
            return false;
        }
    }
  */

  public static class TaskExt
  {
    public static Task<bool> Convert(this Task @this)
    {
      TaskExt.Convertd__0 stateMachine;
      stateMachine.@this = @this;
      stateMachine.t__builder = AsyncTaskMethodBuilder<bool>.Create();
      stateMachine.1__state = -1;
      stateMachine.t__builder.Start<TaskExt.Convertd__0>(ref stateMachine);
      return stateMachine.t__builder.Task;
    }

    [CompilerGenerated]
    [StructLayout(LayoutKind.Auto)]
    private struct Convertd__0 : IAsyncStateMachine
    {
      public int 1__state;
      public AsyncTaskMethodBuilder<bool> t__builder;
      public Task @this;
      private ConfiguredTaskAwaitable.ConfiguredTaskAwaiter u__awaiter1;
      private object t__stack;

      void IAsyncStateMachine.MoveNext()
      {
        bool result;
        try
        {
          bool flag = true;
          ConfiguredTaskAwaitable.ConfiguredTaskAwaiter awaiter;
          switch (this.1__state)
          {
            case -3:
              goto label_6;
            case 0:
              awaiter = this.u__awaiter1;
              this.u__awaiter1 = new ConfiguredTaskAwaitable.ConfiguredTaskAwaiter();
              this.1__state = -1;
              break;
            default:
              awaiter = this.@this.ConfigureAwait(false).GetAwaiter();
              if (!awaiter.IsCompleted)
              {
                this.1__state = 0;
                this.u__awaiter1 = awaiter;
                this.t__builder.AwaitUnsafeOnCompleted<ConfiguredTaskAwaitable.ConfiguredTaskAwaiter, TaskExt.Convertd__0>(ref awaiter, ref this);
                flag = false;
                return;
              }
              else
                break;
          }
          awaiter.GetResult();
          ConfiguredTaskAwaitable.ConfiguredTaskAwaiter configuredTaskAwaiter = new ConfiguredTaskAwaitable.ConfiguredTaskAwaiter();
          result = false;
        }
        catch (Exception ex)
        {
          this.1__state = -2;
          this.t__builder.SetException(ex);
          return;
        }
label_6:
        this.1__state = -2;
        this.t__builder.SetResult(result);
      }

      [DebuggerHidden]
      void IAsyncStateMachine.SetStateMachine(IAsyncStateMachine param0)
      {
        this.t__builder.SetStateMachine(param0);
      }
    }
  }