// 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_MERGE_HPP_INCLUDED | |
#define BOOST_RANGE_ALGORITHM_MERGE_HPP_INCLUDED | |
#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 merge | |
/// | |
/// range-based version of the merge std algorithm | |
/// | |
/// \pre SinglePassRange1 is a model of the SinglePassRangeConcept | |
/// \pre SinglePassRange2 is a model of the SinglePassRangeConcept | |
/// \pre BinaryPredicate is a model of the BinaryPredicateConcept | |
/// | |
template<class SinglePassRange1, class SinglePassRange2, | |
class OutputIterator> | |
inline OutputIterator merge(const SinglePassRange1& rng1, | |
const SinglePassRange2& rng2, | |
OutputIterator out) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> )); | |
return std::merge(boost::begin(rng1), boost::end(rng1), | |
boost::begin(rng2), boost::end(rng2), out); | |
} | |
/// \overload | |
template<class SinglePassRange1, class SinglePassRange2, | |
class OutputIterator, class BinaryPredicate> | |
inline OutputIterator merge(const SinglePassRange1& rng1, | |
const SinglePassRange2& rng2, | |
OutputIterator out, | |
BinaryPredicate pred) | |
{ | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); | |
BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> )); | |
return std::merge(boost::begin(rng1), boost::end(rng1), | |
boost::begin(rng2), boost::end(rng2), out, pred); | |
} | |
} // namespace range | |
using range::merge; | |
} // namespace boost | |
#endif // include guard |