38 lines
620 B
C#
38 lines
620 B
C#
using System.Collections.Generic;
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namespace Test
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{
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public abstract class Base
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{
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public virtual IEnumerable<Base> GetStuff (int a)
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{
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yield return this;
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}
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}
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public abstract class Derived : Base
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{
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public override IEnumerable<Base> GetStuff (int a)
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{
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foreach (var x in base.GetStuff (a))
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yield return x;
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}
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}
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public class SpecialDerived : Derived
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{
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public override IEnumerable<Base> GetStuff (int a)
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{
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foreach (var x in base.GetStuff (a))
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yield return x;
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}
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public static void Main ()
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{
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Base b = new SpecialDerived ();
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foreach (var a in b.GetStuff (5)) {
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}
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}
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}
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}
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