2 using SCG = System.Collections.Generic;
4 public interface IExtensible<T>
6 void AddAll<U> (SCG.IEnumerable<U> items)
10 public abstract class CollectionValueTester<R,S>
11 where R : IExtensible<S>
13 protected R collection;
16 public class ExtensibleTester<U> : CollectionValueTester<U,int>
17 where U : IExtensible<int>
19 public ExtensibleTester (U u)
26 collection.AddAll<int> (new int[] { });
30 public class Extensible<V> : IExtensible<V>
32 public void AddAll<W> (SCG.IEnumerable<W> items)
41 Extensible<int> ext = new Extensible<int> ();
42 ExtensibleTester<Extensible<int>> tester = new ExtensibleTester<Extensible<int>> (ext);