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Sprout/sprout/algorithm/cxx14/move_backward.hpp
2016-02-25 18:48:28 +09:00

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/*=============================================================================
Copyright (c) 2011-2016 Bolero MURAKAMI
https://github.com/bolero-MURAKAMI/Sprout
Distributed under 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)
=============================================================================*/
#ifndef SPROUT_ALGORITHM_CXX14_MOVE_BACKWARD_HPP
#define SPROUT_ALGORITHM_CXX14_MOVE_BACKWARD_HPP
#include <sprout/config.hpp>
#include <sprout/type_traits/enabler_if.hpp>
#include <sprout/iterator/type_traits/is_iterator_of.hpp>
#include <sprout/utility/move.hpp>
namespace sprout {
//
// 25.3.2 Move
//
template<
typename BidirectionalIterator1, typename BidirectionalIterator2,
typename sprout::enabler_if<sprout::is_iterator_outputable<BidirectionalIterator2>::value>::type = sprout::enabler
>
inline SPROUT_CXX14_CONSTEXPR BidirectionalIterator2
move_backward(BidirectionalIterator1 first, BidirectionalIterator1 last, BidirectionalIterator2 result) {
while (first != last) {
*--result = sprout::move(*--first);
}
return result;
}
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_CXX14_MOVE_BACKWARD_HPP