// 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 // . // { dg-do compile { target c++20 } } #include #include static_assert( std::ranges::output_range ); static_assert( ! std::ranges::output_range ); static_assert( std::ranges::output_range ); static_assert( ! std::ranges::output_range ); static_assert( std::ranges::input_range ); static_assert( std::ranges::input_range ); static_assert( std::ranges::input_range ); static_assert( std::ranges::contiguous_range ); static_assert( std::ranges::contiguous_range ); static_assert( std::ranges::contiguous_range ); using namespace __gnu_test; static_assert( std::ranges::output_range, int> ); static_assert( std::ranges::output_range, int> ); static_assert( std::ranges::output_range, int> ); static_assert( std::ranges::output_range, int> ); static_assert( ! std::ranges::output_range, int> ); static_assert( std::ranges::output_range, int> ); static_assert( std::ranges::input_range> ); static_assert( std::ranges::input_range> ); static_assert( std::ranges::input_range> ); static_assert( std::ranges::input_range> ); static_assert( std::ranges::input_range> ); static_assert( ! std::ranges::input_range> ); static_assert( std::ranges::forward_range> ); static_assert( std::ranges::forward_range> ); static_assert( std::ranges::forward_range> ); static_assert( std::ranges::forward_range> ); static_assert( ! std::ranges::forward_range> ); static_assert( ! std::ranges::forward_range> ); static_assert( std::ranges::bidirectional_range> ); static_assert( std::ranges::bidirectional_range>); static_assert( std::ranges::bidirectional_range>); static_assert( ! std::ranges::bidirectional_range> ); static_assert( ! std::ranges::bidirectional_range> ); static_assert( ! std::ranges::bidirectional_range> ); static_assert( std::ranges::random_access_range> ); static_assert( std::ranges::random_access_range>); static_assert( ! std::ranges::random_access_range>); static_assert( ! std::ranges::random_access_range> ); static_assert( ! std::ranges::random_access_range> ); static_assert( ! std::ranges::random_access_range> ); static_assert( std::ranges::contiguous_range> ); static_assert( ! std::ranges::contiguous_range>); static_assert( ! std::ranges::contiguous_range>); static_assert( ! std::ranges::contiguous_range> ); static_assert( ! std::ranges::contiguous_range> ); static_assert( ! std::ranges::contiguous_range> );