46 lines
805 B
C#
46 lines
805 B
C#
using System;
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using SCG = System.Collections.Generic;
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public interface IExtensible<T>
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{
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void AddAll<U> (SCG.IEnumerable<U> items)
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where U : T;
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}
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public abstract class CollectionValueTester<R,S>
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where R : IExtensible<S>
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{
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protected R collection;
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}
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public class ExtensibleTester<U> : CollectionValueTester<U,int>
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where U : IExtensible<int>
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{
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public ExtensibleTester (U u)
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{
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this.collection = u;
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}
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public void Direct()
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{
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collection.AddAll<int> (new int[] { });
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}
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}
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public class Extensible<V> : IExtensible<V>
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{
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public void AddAll<W> (SCG.IEnumerable<W> items)
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where W : V
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{ }
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}
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class X
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{
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public static void Main ()
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{
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Extensible<int> ext = new Extensible<int> ();
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ExtensibleTester<Extensible<int>> tester = new ExtensibleTester<Extensible<int>> (ext);
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tester.Direct ();
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}
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}
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