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- // Copyright (C) 2021-2022 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 } }
- // Verify P2367 changes.
- #include <ranges>
- namespace ranges = std::ranges;
- namespace views = std::views;
- void
- test01()
- {
- extern int (&x)[5];
- // Verify changes to views::single.
- using ranges::single_view;
- using std::same_as;
- same_as<single_view<int*>> auto v1 = views::single(x);
- same_as<single_view<int>> auto v2 = views::single((const int)5);
- same_as<single_view<single_view<int>>> auto v3 = views::single(v2);
- // Verify changes to views::take.
- auto v4 = views::take(x, 0ull);
- // Verify changes to views::drop.
- auto v5 = views::drop(x, 0ull);
- // Verify changes to views::lazy_split.
- auto v6 = views::lazy_split(x, 5u);
- auto v7 = views::split(x, 5u);
- }
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