| // { dg-do compile { target c++17 } } |
| |
| // Copyright (C) 2016-2023 Free Software Foundation, Inc. |
| // |
| // This file is part of the GNU ISO C++ Library. This library is free |
| // software; you can redistribute it and/or modify it under the |
| // terms of the GNU General Public License as published by the |
| // Free Software Foundation; either version 3, or (at your option) |
| // any later version. |
| |
| // This library is distributed in the hope that it will be useful, |
| // but WITHOUT ANY WARRANTY; without even the implied warranty of |
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| // GNU General Public License for more details. |
| |
| // You should have received a copy of the GNU General Public License along |
| // with this library; see the file COPYING3. If not see |
| // <http://www.gnu.org/licenses/>. |
| |
| #include <type_traits> |
| |
| #ifndef __cpp_lib_is_swappable |
| # error "Feature-test macro for is_swappable_with missing" |
| #elif __cpp_lib_is_swappable != 201603 |
| # error "Feature-test macro for is_swappable_with has wrong value" |
| #endif |
| |
| namespace std |
| { |
| typedef short test_type; |
| typedef double test_type_2; |
| template struct is_swappable_with<test_type, test_type>; |
| template struct is_swappable_with<test_type, test_type_2>; |
| template struct is_swappable_with<test_type_2, test_type_2>; |
| } |
