ext-boost/boost/range/algorithm/reverse.hpp
2014-12-07 20:45:27 +01:00

51 lines
1.4 KiB
C++

// Copyright Neil Groves 2009. Use, modification and
// distribution is subject to the Boost Software License, Version
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
//
// For more information, see http://www.boost.org/libs/range/
//
#ifndef BOOST_RANGE_ALGORITHM_REVERSE_HPP_INCLUDED
#define BOOST_RANGE_ALGORITHM_REVERSE_HPP_INCLUDED
#include <boost/concept_check.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/concepts.hpp>
#include <boost/range/detail/range_return.hpp>
#include <algorithm>
namespace boost
{
namespace range
{
/// \brief template function reverse
///
/// range-based version of the reverse std algorithm
///
/// \pre BidirectionalRange is a model of the BidirectionalRangeConcept
template<class BidirectionalRange>
inline BidirectionalRange& reverse(BidirectionalRange& rng)
{
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> ));
std::reverse(boost::begin(rng), boost::end(rng));
return rng;
}
/// \overload
template<class BidirectionalRange>
inline const BidirectionalRange& reverse(const BidirectionalRange& rng)
{
BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> ));
std::reverse(boost::begin(rng), boost::end(rng));
return rng;
}
} // namespace range
using range::reverse;
} // namespace boost
#endif // include guard