25 lines
269 B
C#
25 lines
269 B
C#
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using System;
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delegate void D<in T> ();
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interface I<out T>
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{
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event D<T> field;
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}
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class D : I<string>
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{
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public event D<string> field;
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public static int Main ()
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{
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D<object> dd = () => {};
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D d = new D ();
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d.field += dd;
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d.field ();
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return 0;
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}
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}
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