// 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> );