range/algorithm/unique_copy.hpp

0001 //  Copyright Neil Groves 2009. Use, modification and
0002 //  distribution is subject to the Boost Software License, Version
0003 //  1.0. (See accompanying file LICENSE_1_0.txt or copy at
0004 //  http://www.boost.org/LICENSE_1_0.txt)
0005 //
0006 //
0007 // For more information, see http://www.boost.org/libs/range/
0008 //
0009 #ifndef BOOST_RANGE_ALGORITHM_UNIQUE_COPY_HPP_INCLUDED
0010 #define BOOST_RANGE_ALGORITHM_UNIQUE_COPY_HPP_INCLUDED
0011
0012 #include <boost/concept_check.hpp>
0013 #include <boost/range/begin.hpp>
0014 #include <boost/range/end.hpp>
0015 #include <boost/range/concepts.hpp>
0016 #include <algorithm>
0017
0018 namespace boost
0019 {
0020     namespace range
0021     {
0022
0023 /// \brief template function unique_copy
0024 ///
0025 /// range-based version of the unique_copy std algorithm
0026 ///
0027 /// \pre SinglePassRange is a model of the SinglePassRangeConcept
0028 /// \pre OutputIterator is a model of the OutputIteratorConcept
0029 /// \pre BinaryPredicate is a model of the BinaryPredicateConcept
0030 template< class SinglePassRange, class OutputIterator >
0031 inline OutputIterator
0032 unique_copy( const SinglePassRange& rng, OutputIterator out_it )
0033 {
0034     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
0035     return std::unique_copy(boost::begin(rng), boost::end(rng), out_it);
0036 }
0037 /// \overload
0038 template< class SinglePassRange, class OutputIterator, class BinaryPredicate >
0039 inline OutputIterator
0040 unique_copy( const SinglePassRange& rng, OutputIterator out_it,
0041              BinaryPredicate pred )
0042 {
0043     BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> ));
0044     return std::unique_copy(boost::begin(rng), boost::end(rng), out_it, pred);
0045 }
0046
0047     } // namespace range
0048     using range::unique_copy;
0049 } // namespace boost
0050
0051 #endif // include guard