| // { dg-do compile { target c++20 } } |
| // |
| // Copyright (C) 2019-2025 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 <array> |
| |
| constexpr bool |
| test_array() |
| { |
| auto ok = true; |
| |
| std::array<float,3> fa{{1.1f, 2.2f, 3.3f}}; |
| |
| std::array<float,3> fb{{4.4f, 5.5f, 6.6f}}; |
| |
| fb.swap(fa); |
| |
| ok = ok && (fa[0] == 4.4f); |
| |
| std::swap(fa, fb); |
| |
| ok = ok && (fa[0] == 1.1f); |
| |
| return ok; |
| } |
| |
| static_assert(test_array()); |
