mcs/tests/gtest-152.cs

   1 using System;
   2
   3 public interface IFoo
   4 {
   5         IFoo Hello ();
   6 }
   7
   8 public interface IFoo<T> : IFoo
   9 {
  10         new IFoo<T> Hello ();
  11 }
  12
  13 public interface ICollectionValue<T>: IFoo<T>
  14 {
  15 }
  16
  17 public interface ICollection<T>: ICollectionValue<T>
  18 { }
  19
  20 public abstract class EnumerableBase<T> : IFoo<T>
  21 {
  22         public abstract IFoo<T> Hello();
  23
  24         IFoo IFoo.Hello ()
  25         {
  26                 return Hello ();
  27         }
  28 }
  29
  30 public abstract class CollectionBase<T> : EnumerableBase<T>
  31 {
  32 }
  33
  34 public class HashBag<T>: CollectionBase<T>, ICollection<T>
  35 {
  36         public override IFoo<T> Hello ()
  37         {
  38                 return this;
  39         }
  40 }
  41
  42 class X
  43 {
  44         static void Main ()
  45         {
  46         }
  47 }