Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/placeholder1.C @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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// { dg-options "-std=c++17 -fconcepts" } template<typename T, typename U> struct is_same { static constexpr bool value = false; }; template<typename T> struct is_same<T, T> { static constexpr bool value = true; }; template<class T, class U> concept bool Same = is_same<T, U>::value; template<typename T> concept bool C1 = true; template<typename T, typename U> concept bool C2 = true; template<typename T> concept bool C3() { return true; } template<typename T, typename U> concept bool C4() { return true; } C1 c1 = 0; C2<int> c2 = 0; C3 c3 = 0; C4<int> c4 = 0; Same<int> s1 = 'a'; // { dg-error "does not satisfy|is_same" }