Sprout/sprout/algorithm/cxx14/partition_copy.hpp

/*=============================================================================
  Copyright (c) 2011-2014 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_PARTITION_COPY_HPP
#define SPROUT_ALGORITHM_CXX14_PARTITION_COPY_HPP

#include <sprout/config.hpp>
#include <sprout/utility/pair.hpp>

namespace sprout {
	//
	// 25.3.13 Partitions
	//
	template<typename InputIterator, typename OutputIterator1, typename OutputIterator2, typename Predicate>
	inline SPROUT_CXX14_CONSTEXPR sprout::pair<OutputIterator1, OutputIterator2>
	partition_copy(InputIterator first, InputIterator last, OutputIterator1 out_true, OutputIterator2 out_false, Predicate pred) {
		for (; first != last; ++first) {
			if (pred(*first)) {
				*out_true++ = *first;
			} else {
				*out_false++ = *first;
			}
		}
		return sprout::pair<OutputIterator1, OutputIterator2>(out_true, out_false);
	}
}	// namespace sprout

#endif	// #ifndef SPROUT_ALGORITHM_CXX14_PARTITION_COPY_HPP