62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
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// Copyright Neil Groves 2009. Use, modification and
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// distribution is subject to the Boost Software License, Version
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// 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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//
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// For more information, see http://www.boost.org/libs/range/
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//
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#ifndef BOOST_RANGE_ALGORITHM_MERGE_HPP_INCLUDED
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#define BOOST_RANGE_ALGORITHM_MERGE_HPP_INCLUDED
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#include <boost/concept_check.hpp>
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#include <boost/range/begin.hpp>
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#include <boost/range/end.hpp>
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#include <boost/range/concepts.hpp>
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#include <algorithm>
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namespace boost
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{
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namespace range
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{
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/// \brief template function merge
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///
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/// range-based version of the merge std algorithm
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///
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/// \pre SinglePassRange1 is a model of the SinglePassRangeConcept
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/// \pre SinglePassRange2 is a model of the SinglePassRangeConcept
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/// \pre BinaryPredicate is a model of the BinaryPredicateConcept
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///
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template<class SinglePassRange1, class SinglePassRange2,
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class OutputIterator>
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inline OutputIterator merge(const SinglePassRange1& rng1,
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const SinglePassRange2& rng2,
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OutputIterator out)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
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return std::merge(boost::begin(rng1), boost::end(rng1),
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boost::begin(rng2), boost::end(rng2), out);
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}
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/// \overload
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template<class SinglePassRange1, class SinglePassRange2,
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class OutputIterator, class BinaryPredicate>
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inline OutputIterator merge(const SinglePassRange1& rng1,
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const SinglePassRange2& rng2,
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OutputIterator out,
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BinaryPredicate pred)
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{
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> ));
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BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> ));
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return std::merge(boost::begin(rng1), boost::end(rng1),
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boost::begin(rng2), boost::end(rng2), out, pred);
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}
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} // namespace range
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using range::merge;
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} // namespace boost
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#endif // include guard
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