mcs/errors/cs4011-3.cs

   1 // CS4011: The awaiter type `A' must have suitable IsCompleted, OnCompleted, and GetResult members
   2 // Line: 16
   3
   4 static class S
   5 {
   6         public static A GetAwaiter (this int i)
   7         {
   8                 return new A ();
   9         }
  10 }
  11
  12 class A
  13 {
  14         int IsCompleted {
  15                 get {
  16                         return 1;
  17                 }
  18         }
  19
  20         static async void Test ()
  21         {
  22                 await 9;
  23         }
  24 }