| // Copyright (C) 2020-2021 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 } } |
| |
| // PR libstdc++/97512 |
| // Check that structured bindings work for subranges without <ranges>. |
| #include <algorithm> |
| |
| constexpr bool |
| test01() |
| { |
| int r[] = { 1, 2, 2, 3, 3, 3 }; |
| auto [first, last] = std::ranges::unique(r); |
| return first == std::ranges::begin(r) + 3 && last == std::ranges::end(r); |
| } |
| |
| static_assert( test01() ); |
