Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/concepts/memfun-err.C @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
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date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children |
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// { dg-do compile { target c++17 } } // { dg-options "-fconcepts" } template<typename T> concept bool C() { return __is_class(T); } template<typename T> concept bool D() { return __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" } }