77 lines
965 B
C#
77 lines
965 B
C#
// Compiler options: -langversion:experimental
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using System;
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class RecursivePattern
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{
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static int Main ()
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{
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object o = null;
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bool b = o is C1 (8);
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if (b)
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return 1;
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o = new C1 ();
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b = o is C1 (-4);
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if (b)
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return 2;
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b = o is C1 (8);
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if (!b)
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return 3;
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b = o is C1 (C1 (9), C1 (8));
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if (b)
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return 4;
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b = o is C1 (C1 (*), C1 (8));
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if (!b)
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return 41;
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b = o is C1 (0);
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if (b)
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return 5;
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ValueType vt = new S ();
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b = vt is S (null, 0);
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if (b)
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return 6;
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b = vt is S (8, 0);
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if (b)
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return 7;
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b = vt is S (8, 2);
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if (!b)
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return 8;
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Console.WriteLine ("ok");
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return 0;
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}
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}
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class C1
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{
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public static bool operator is (C1 c, out int x)
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{
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x = 8;
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return true;
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}
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public static bool operator is (C1 c, out C1 c2, out C1 c3)
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{
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c2 = null;
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c3 = null;
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return true;
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}
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}
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struct S
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{
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public static bool operator is (S s, out int? x, out decimal d)
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{
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x = 8;
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d = 2;
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return true;
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}
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} |