Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/g++.dg/cpp2a/cond-triv2.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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// PR c++/67348 // { dg-do compile { target c++2a } } #include <type_traits> #include <vector> using namespace std; template <class...Ts> requires (is_destructible<Ts>::value && ...) struct variant { ~variant() { /* ... */ } ~variant() requires (is_trivially_destructible<Ts>::value && ...) = default; variant(variant&&) { /* ... */ } variant(variant&&) requires (is_trivially_move_constructible<Ts>::value && ...) = default; variant& operator=(variant&&) { /* ... */ } variant& operator=(variant&&) requires (is_trivially_move_assignable<Ts>::value && ...) = default; // ...similar treatment for copy construction / assignment... }; static_assert(is_trivially_destructible<variant<int, float>>()); static_assert(!is_trivially_destructible<variant<int, vector<int>>>()); static_assert(is_trivially_move_constructible<variant<int, float>>()); static_assert(!is_trivially_move_constructible<variant<int, vector<int>>>());