52 lines
650 B
C#
52 lines
650 B
C#
using System;
|
|
using System.Collections.Generic;
|
|
|
|
interface I<T> : I2<T>, IEnumerable<T>
|
|
{
|
|
}
|
|
|
|
interface I2<T2>
|
|
{
|
|
void Foo<U> (IEnumerable<U> list) where U : T2;
|
|
}
|
|
|
|
class Impl<T> : I<T>
|
|
{
|
|
public void Foo<U> (IEnumerable<U> list) where U : T
|
|
{
|
|
}
|
|
|
|
public IEnumerator<T> GetEnumerator ()
|
|
{
|
|
return null;
|
|
}
|
|
|
|
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator ()
|
|
{
|
|
return null;
|
|
}
|
|
}
|
|
|
|
class A<K>
|
|
{
|
|
public I<K> Value = new Impl<K> ();
|
|
}
|
|
|
|
class Test<TT> : A<TT>
|
|
{
|
|
public void Foo ()
|
|
{
|
|
var a = new Test<TT> ();
|
|
a.Value.Foo (Value);
|
|
}
|
|
}
|
|
|
|
class M
|
|
{
|
|
public static void Main ()
|
|
{
|
|
new Test<ulong> ().Foo ();
|
|
}
|
|
}
|
|
|