Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/fn5.C @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
line wrap: on
line source
// { dg-options "-std=c++17 -fconcepts" } // Check shorthand notation. template<typename T> concept bool Type() { return true; } template<typename T, typename U> concept bool Same() { return __is_same_as(T, U); } template<Same<int> T> struct S1 { }; template<typename T, Same<T> U> struct S2 { }; void f(Same<int> q) { } void g(Type a, Same<decltype(a)> b) { } int main() { S1<char> s1; // { dg-error "constraint|invalid" } S2<int, char> s2; // { dg-error "constraint|invalid" } f('a'); // { dg-error "cannot" } g(0, 'a'); // { dg-error "cannot" } }