49 lines
1.5 KiB
C++
49 lines
1.5 KiB
C++
// Copyright (C) 2021-2023 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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// { dg-options "-std=gnu++2a" }
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// { dg-do compile { target c++2a } }
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// Verify P2367 changes.
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#include <ranges>
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namespace ranges = std::ranges;
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namespace views = std::views;
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void
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test01()
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{
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extern int (&x)[5];
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// Verify changes to views::single.
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using ranges::single_view;
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using std::same_as;
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same_as<single_view<int*>> auto v1 = views::single(x);
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same_as<single_view<int>> auto v2 = views::single((const int)5);
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same_as<single_view<single_view<int>>> auto v3 = views::single(v2);
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// Verify changes to views::take.
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auto v4 = views::take(x, 0ull);
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// Verify changes to views::drop.
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auto v5 = views::drop(x, 0ull);
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// Verify changes to views::lazy_split.
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auto v6 = views::lazy_split(x, 5u);
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auto v7 = views::split(x, 5u);
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}
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