ranges.hpp

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/*
    Copyright (C) 2021 - 2023
    Part of the Battle for Wesnoth Project https://www.wesnoth.org/
 
    This program 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 2 of the License, or
    (at your option) any later version.
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY.
 
    See the COPYING file for more details.
*/
 
#pragma once
 
#include "global.hpp"
 
#ifdef HAVE_CXX20
#include <ranges>
#else
#include <boost/range/adaptor/reversed.hpp>
#endif
 
namespace utils
{
template<typename T>
inline auto reversed_view(T& container)
{
#ifdef HAVE_CXX20
    return std::views::reverse(container);
#else
    return boost::adaptors::reverse(container);
#endif
}
 
} // namespace utils