mcs/tests/gtest-etree-03.cs

   1 using System;
   2 using System.Linq.Expressions;
   3
   4 struct S<T> where T : struct
   5 {
   6         public static int Test ()
   7         {
   8                 Expression<Func<T?, bool>> e = (T? o) => o == null;
   9                 if (!e.Compile ().Invoke (null))
  10                         return 1;
  11
  12                 if (e.Compile ().Invoke (default (T)))
  13                         return 2;
  14
  15                 Console.WriteLine ("OK");
  16                 return 0;
  17         }
  18 }
  19
  20 class C
  21 {
  22         public static int Main()
  23         {
  24                 return S<int>.Test ();
  25         }
  26 }
  27