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//  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
// For more information, see

#include <boost/concept_check.hpp>
#include <boost/range/begin.hpp>
#include <boost/range/end.hpp>
#include <boost/range/concepts.hpp>
#include <algorithm>

namespace boost
    namespace range

/// \brief template function copy_backward
/// range-based version of the copy_backwards std algorithm
/// \pre BidirectionalRange is a model of the BidirectionalRangeConcept
/// \pre BidirectionalTraversalWriteableIterator is a model of the BidirectionalIteratorConcept
/// \pre BidirectionalTraversalWriteableIterator is a model of the WriteableIteratorConcept
template< class BidirectionalRange, class BidirectionalTraversalWriteableIterator >
inline BidirectionalTraversalWriteableIterator
copy_backward(const BidirectionalRange& rng,
              BidirectionalTraversalWriteableIterator out)
    BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> ));
    return std::copy_backward(boost::begin(rng), boost::end(rng), out);

    } // namespace range
    using range::copy_backward;
} // namespace boost

#endif // include guard