mcs/tests/gtest-variance-15.cs

   1 using System;
   2
   3 public class C
   4 {
   5         delegate void D<in T> (T t);
   6
   7         static void M<T> (ref T t, D<T> a)
   8         {
   9                 a (t);
  10         }
  11
  12         static void M2<T> (T t, D<T> a)
  13         {
  14                 a (t);
  15         }
  16
  17         static void MethodArg (object o)
  18         {
  19         }
  20
  21         public static int Main ()
  22         {
  23                 D<object> action = l => Console.WriteLine (l);
  24                 string s = "value";
  25
  26                 M (ref s, action);
  27                 M2 (s, action);
  28                 return 0;
  29         }
  30 }