mcs/errors/cs4014-6.cs

   1 // CS4014: The statement is not awaited and execution of current method continues before the call is completed. Consider using `await' operator
   2 // Line: 47
   3 // Compiler options: -warnaserror
   4
   5 using System;
   6 using System.Runtime.CompilerServices;
   7 using System.Threading.Tasks;
   8
   9 static class S
  10 {
  11         public static A GetAwaiter (this X x)
  12         {
  13                 return new A ();
  14         }
  15 }
  16
  17 class X
  18 {
  19         public X Foo ()
  20         {
  21                 return this;
  22         }
  23 }
  24
  25 class A : INotifyCompletion
  26 {
  27         bool IsCompleted
  28         {
  29                 get
  30                 {
  31                         return true;
  32                 }
  33         }
  34
  35         public void OnCompleted (Action a)
  36         {
  37         }
  38
  39         int GetResult ()
  40         {
  41                 return 3;
  42         }
  43
  44         static async Task Test3 ()
  45         {
  46                 X x = new X ();
  47                 x.Foo ();
  48                 await x.Foo ();
  49         }
  50 }