Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/concepts-pr67070.C @ 158:494b0b89df80 default tip
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author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
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date | Mon, 25 May 2020 18:13:55 +0900 |
parents | 1830386684a0 |
children |
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// { dg-do compile { target c++2a } } template <class T> concept C1 = requires { typename T::type; } && T::type::value; template <class T> concept C2 = requires { typename T::Type; requires T::Type::value; }; template <class T> requires (!C1<T>) void f1() { } template <class T> requires (!C2<T>) void f2() { } struct S { }; void test() { f1<S>(); f2<S>(); } // ------------------ template<typename T> concept C = requires (T t) { t.f(); }; template<typename A, typename B> requires (!(C<A> && C<B>)) void g1() { } template<typename A, typename B> requires (!C<A> || !C<B>) void g2() { } struct X { void f(); }; void test2() { g1<X, X>(); // { dg-error "" } g2<X, X>(); // { dg-error "" } }