42 lines
483 B
C#
42 lines
483 B
C#
using System;
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class TypePattern
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{
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public static int Main ()
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{
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object o = 3;
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bool r = o is System.String t1;
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if (r)
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return 2;
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if (o is string t2)
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return 3;
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long? l = 5;
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bool r3 = l is long t4;
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if (!r3)
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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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static void Test1 (object arg)
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{
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while (arg is int b) {
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b = 2;
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}
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}
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static string Test2 (object arg)
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{
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if (arg is string s) {
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return s;
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} else {
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s = "";
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}
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return s;
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}
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} |