39 lines
451 B
C#
39 lines
451 B
C#
using System;
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public class MainClass
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{
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static long? X<T> (T a1, Func<T, T?> a2) where T : struct
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{
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return 0;
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}
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static int? X<T> (T a1, Func<T, int?> a2)
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{
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return 0;
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}
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static double? X<T> (T a1, Func<T, double?> a2)
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{
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return null;
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}
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public static void Main ()
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{
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int? sum = X<int> (1, i => {
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if (i > 0)
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return i;
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return null;
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});
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int? sum2 = X (1, i => {
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if (i > 0)
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return i;
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return null;
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});
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}
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}
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