mcs/errors/cs1993.cs

   1 // CS1993: Cannot find compiler required types for asynchronous functions support. Are you targeting the wrong framework version?
   2 // Line: 38
   3 // Compiler options: -nostdlib CS1993-corlib.cs
   4
   5 using System.Threading.Tasks;
   6
   7 namespace System.Threading.Tasks
   8 {
   9         class Task<T>
  10         {
  11         }
  12 }
  13
  14 static class S
  15 {
  16         public static A GetAwaiter (this int i)
  17         {
  18                 return new A ();
  19         }
  20 }
  21
  22 class A
  23 {
  24         bool IsCompleted {
  25                 get {
  26                         return true;
  27                 }
  28         }
  29
  30         void OnCompleted (System.Action a)
  31         {
  32         }
  33
  34         int GetResult ()
  35         {
  36                 return 3;
  37         }
  38
  39         static async Task<int> Test ()
  40         {
  41                 return await 2;
  42         }
  43 }