Squashed 'third_party/boostorg/range/' content from commit 4cfd4d8
Change-Id: I641c49f21039952b16f888223a952503e43a28a9
git-subtree-dir: third_party/boostorg/range
git-subtree-split: 4cfd4d8287ca949d7f29256adf3e796a0d1775ec
diff --git a/include/boost/range/algorithm/merge.hpp b/include/boost/range/algorithm/merge.hpp
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+++ b/include/boost/range/algorithm/merge.hpp
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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
+// 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