mcs/tests/gtest-448.cs

   1 using System;
   2 using System.Collections.Generic;
   3
   4 interface I<T> : I2<T>, IEnumerable<T>
   5 {
   6 }
   7
   8 interface I2<T2>
   9 {
  10         void Foo<U> (IEnumerable<U> list) where U : T2;
  11 }
  12
  13 class Impl<T> : I<T>
  14 {
  15         public void Foo<U> (IEnumerable<U> list) where U : T
  16         {
  17         }
  18
  19         public IEnumerator<T> GetEnumerator ()
  20         {
  21                 return null;
  22         }
  23
  24         System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator ()
  25         {
  26                 return null;
  27         }
  28 }
  29
  30 class A<K>
  31 {
  32         public I<K> Value = new Impl<K> ();
  33 }
  34
  35 class Test<TT> : A<TT>
  36 {
  37         public void Foo ()
  38         {
  39                 var a = new Test<TT> ();
  40                 a.Value.Foo (Value);
  41         }
  42 }
  43
  44 class M
  45 {
  46         public static void Main ()
  47         {
  48                 new Test<ulong> ().Foo ();
  49         }
  50 }
  51