Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/concepts-memfun-err.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
---|---|
date | Thu, 13 Feb 2020 11:34:05 +0900 |
parents | |
children |
line wrap: on
line source
// { dg-do compile { target c++2a } } template<typename T> concept C = __is_class(T); template<typename T> concept D = __is_empty(T); struct X { } x; struct Y { int n; } y; int called = 0; // Test constrained member definitions template<typename T> struct S1 { // { dg-message "defined here" } void f1() requires C<T> { } void g1() requires C<T> and true; template<C U> void h1(U u) { called = 1; } void g2() requires C<T>; // { dg-message "candidate" } }; template<typename T> void S1<T>::g2() requires D<T> { } // { dg-error "no declaration matches" } int main() { S1<X> sx; S1<Y> sy; S1<int> si; si.f1(); // { dg-error "matching" } si.g1(); // { dg-error "matching" } si.h1(0); // { dg-error "matching" } }