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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_UNIQUE_HPP_INCLUDED
- #define BOOST_RANGE_ALGORITHM_UNIQUE_HPP_INCLUDED
- #include <boost/concept_check.hpp>
- #include <boost/range/begin.hpp>
- #include <boost/range/end.hpp>
- #include <boost/range/concepts.hpp>
- #include <boost/range/detail/range_return.hpp>
- #include <algorithm>
- namespace boost
- {
- namespace range
- {
- /// \brief template function unique
- ///
- /// range-based version of the unique std algorithm
- ///
- /// \pre Rng meets the requirements for a Forward range
- template< range_return_value re, class ForwardRange >
- inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
- unique( ForwardRange& rng )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
- return range_return<ForwardRange,re>::
- pack( std::unique( boost::begin(rng),
- boost::end(rng)), rng );
- }
- /// \overload
- template< range_return_value re, class ForwardRange >
- inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
- unique( const ForwardRange& rng )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
- return range_return<const ForwardRange,re>::
- pack( std::unique( boost::begin(rng),
- boost::end(rng)), rng );
- }
- /// \overload
- template< range_return_value re, class ForwardRange, class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type
- unique( ForwardRange& rng, BinaryPredicate pred )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
- return range_return<ForwardRange,re>::
- pack(std::unique(boost::begin(rng), boost::end(rng), pred),
- rng);
- }
- /// \overload
- template< range_return_value re, class ForwardRange, class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type
- unique( const ForwardRange& rng, BinaryPredicate pred )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
- return range_return<const ForwardRange,re>::
- pack(std::unique(boost::begin(rng), boost::end(rng), pred),
- rng);
- }
- /// \overload
- template< class ForwardRange >
- inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange, return_begin_found>::type
- unique( ForwardRange& rng )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
- return ::boost::range::unique<return_begin_found>(rng);
- }
- /// \overload
- template< class ForwardRange >
- inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange, return_begin_found>::type
- unique( const ForwardRange& rng )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
- return ::boost::range::unique<return_begin_found>(rng);
- }
- /// \overload
- template< class ForwardRange, class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange, return_begin_found>::type
- unique( ForwardRange& rng, BinaryPredicate pred )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> ));
- return ::boost::range::unique<return_begin_found>(rng, pred);
- }
- /// \overload
- template< class ForwardRange, class BinaryPredicate >
- inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange, return_begin_found>::type
- unique( const ForwardRange& rng, BinaryPredicate pred )
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
- return ::boost::range::unique<return_begin_found>(rng, pred);
- }
- } // namespace range
- using range::unique;
- } // namespace boost
- #endif // include guard
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