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annotate gcc/testsuite/g++.dg/concepts/var-concept1.C @ 145:1830386684a0

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gcc-9.2.0
author anatofuz
date Thu, 13 Feb 2020 11:34:05 +0900
parents 84e7813d76e9
children
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145
1830386684a0 gcc-9.2.0
anatofuz
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1 // { dg-do compile { target c++17_only } }
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84e7813d76e9 gcc-8.2
mir3636
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2 // { dg-options "-fconcepts" }
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3
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4 template<typename T>
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5 concept bool C1 = __is_class(T);
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6
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7 template<typename T>
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8 concept bool C2 = requires (T t) { t; };
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9
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10 void f1(C1, C1) { }
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11
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12 template<typename T>
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13 requires C2<T>
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14 void f2(T) { }
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15
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16 void f3(C2) { }
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17
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18 struct S1 {};
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19
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20 int main ()
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21 {
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22 f1(S1(), S1());
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23 f2(0);
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24 f3(0);
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25
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26 return 0;
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27 }