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