mcs/tests/gtest-330.cs

   1 using System;
   2 using System.Collections;
   3 using System.Collections.Generic;
   4
   5 public class BaseCollection<T> : IEnumerable<T>
   6 {
   7         protected List<T> items = new List<T> ();
   8
   9         IEnumerator<T> IEnumerable<T>.GetEnumerator ()
  10         {
  11                 return items.GetEnumerator ();
  12         }
  13
  14         IEnumerator IEnumerable.GetEnumerator ()
  15         {
  16                 return items.GetEnumerator ();
  17         }
  18 }
  19
  20 public class BaseIntList<T> : BaseCollection<T>
  21 {
  22 }
  23
  24 public class IntList : BaseIntList<int>
  25 {
  26 }
  27
  28 class X
  29 {
  30         public static void Main ()
  31         {
  32                 IntList list = new IntList ();
  33                 foreach (int i in list) {
  34                         Console.WriteLine (i);
  35                 }
  36         }
  37 }