Jo Shields a575963da9 Imported Upstream version 3.6.0
Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14
2014-08-13 10:39:27 +01:00

34 lines
563 B
C#

using System;
public interface ISequenced<T>
{
bool Equals (ISequenced<T> that);
}
public class SequencedHasher <S,W>
where S : ISequenced<W>
{
public bool Equals (S i1, S i2)
{
return i1 == null ? i2 == null : i1.Equals (i2);
}
}
public class Sequenced<T> : ISequenced<T>
{
public bool Equals (ISequenced<T> that)
{
return false;
}
}
class X
{
public static void Main ()
{
Sequenced<int> s = new Sequenced<int> ();
SequencedHasher<Sequenced<int>,int> hasher = new SequencedHasher<Sequenced<int>,int> ();
hasher.Equals (s, s);
}
}