mcs/tests/gtest-etree-20.cs

   1 using System;
   2 using System.Linq.Expressions;
   3
   4 struct S
   5 {
   6         public static int Main ()
   7         {
   8                 Expression<Func<S?, A>> e = a => a;
   9
  10                 // TODO: implement
  11                 // Console.WriteLine (e.Compile ()(null));
  12
  13                 Console.WriteLine (e.Compile ()(new S ()));
  14
  15                 Expression<Func<S?, B>> e2 = a => (B) a;
  16
  17                 // TODO: implement
  18                 // Console.WriteLine (e2.Compile ()(null));
  19
  20                 Console.WriteLine (e2.Compile ()(new S ()));
  21
  22                 return 0;
  23         }
  24 }
  25
  26 class A
  27 {
  28         public static implicit operator A (S x)
  29         {
  30                 return new B ();
  31         }
  32 }
  33
  34 class B : A
  35 {
  36 }