| // Copyright (C) 2019-2021 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/>. |
| |
| // { dg-options "-std=gnu++2a" } |
| // { dg-do compile { target c++2a } } |
| |
| #include <algorithm> |
| #include <array> |
| |
| constexpr bool |
| test() |
| { |
| constexpr std::array<int, 12> caeo{{0, 2, 4, 6, 8, 10, 1, 3, 5, 7, 9, 11}}; |
| |
| const auto outs = std::is_partitioned(caeo.begin(), caeo.end(), |
| [](int i){ return i % 2 == 0; }); |
| |
| return outs; |
| } |
| |
| static_assert(test()); |
