Mercurial > hg > CbC > CbC_gcc
annotate gcc/testsuite/g++.dg/concepts/intro2.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | 84e7813d76e9 |
children |
rev | line source |
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145 | 1 // { dg-do compile { target c++17_only } } |
131 | 2 // { dg-options "-fconcepts" } |
111 | 3 |
4 #include <cassert> | |
5 | |
6 template<typename T> | |
7 concept bool C() { return __is_class(T); } | |
8 | |
9 template<int N> | |
10 concept bool P() { return true; } | |
11 | |
12 C{A} struct S1 | |
13 { | |
14 P{B} int f1(); | |
15 }; | |
16 | |
17 struct S2 {}; | |
18 | |
19 int main() | |
20 { | |
21 S1<S2> s; | |
22 | |
23 assert(s.f1<10>() == sizeof(S2) + 10); | |
24 return 0; | |
25 } | |
26 | |
27 C{A} P{B} int S1<A>::f1() { return B + sizeof(A); } |