41 lines
478 B
C#
41 lines
478 B
C#
using System;
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struct S
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{
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}
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class C
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{
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public static int ConversionCalled;
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public static implicit operator S (C c)
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{
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++ConversionCalled;
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return new S ();
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}
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}
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class Program
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{
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static C field;
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static int Main ()
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{
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C c = new C ();
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var x = c ?? new S ();
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if (C.ConversionCalled != 1)
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return 1;
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c = null;
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x = c ?? new S ();
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if (C.ConversionCalled != 1)
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return 2;
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x = field ?? new S ();
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if (C.ConversionCalled != 1)
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return 3;
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return 0;
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}
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} |