mcs/tests/gtest-120.cs

   1 using System;
   2
   3 public interface ISequenced<T>
   4 {
   5         bool Equals (ISequenced<T> that);
   6 }
   7
   8 public class SequencedHasher <S,W>
   9         where S : ISequenced<W>
  10 {
  11         public bool Equals (S i1, S i2)
  12         {
  13                 return i1 == null ? i2 == null : i1.Equals (i2);
  14         }
  15 }
  16
  17 public class Sequenced<T> : ISequenced<T>
  18 {
  19         public bool Equals (ISequenced<T> that)
  20         {
  21                 return false;
  22         }
  23 }
  24
  25 class X
  26 {
  27         public static void Main ()
  28         {
  29                 Sequenced<int> s = new Sequenced<int> ();
  30                 SequencedHasher<Sequenced<int>,int> hasher = new SequencedHasher<Sequenced<int>,int> ();
  31                 hasher.Equals (s, s);
  32         }
  33 }