Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/concepts-pr67070.C @ 145:1830386684a0
gcc-9.2.0
author | anatofuz |
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date | Thu, 13 Feb 2020 11:34:05 +0900 |
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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 "" } }