Mercurial > hg > CbC > CbC_gcc
annotate gcc/testsuite/g++.dg/concepts/fn4.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
rev | line source |
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131 | 1 // { dg-do compile { target c++17 } } |
2 // { dg-options "-fconcepts" } | |
111 | 3 |
4 template<typename T> | |
5 concept bool C() { return __is_class(T); } | |
6 | |
7 template<typename T> | |
8 concept bool D() { return C<T>() and __is_empty(T); } | |
9 | |
10 struct S1 { } s1; | |
11 struct S2 { int n; } s2; | |
12 | |
13 template<C T> void f1(T x) { } | |
14 template<D T> void f1(T x) { } | |
15 | |
16 int main() { | |
17 f1(0); // { dg-error "matching" } | |
18 } |