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74 lines
2.4 KiB
74 lines
2.4 KiB
// 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_PARTITION__HPP_INCLUDED |
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#define BOOST_RANGE_ALGORITHM_PARTITION__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 partition |
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/// |
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/// range-based version of the partition std algorithm |
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/// |
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/// \pre ForwardRange is a model of the ForwardRangeConcept |
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template<class ForwardRange, class UnaryPredicate> |
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inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type |
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partition(ForwardRange& rng, UnaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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return std::partition(boost::begin(rng),boost::end(rng),pred); |
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} |
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/// \overload |
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template<class ForwardRange, class UnaryPredicate> |
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inline BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type |
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partition(const ForwardRange& rng, UnaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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return std::partition(boost::begin(rng),boost::end(rng),pred); |
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} |
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// range_return overloads |
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/// \overload |
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template< range_return_value re, class ForwardRange, |
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class UnaryPredicate > |
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inline BOOST_DEDUCED_TYPENAME range_return<ForwardRange,re>::type |
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partition(ForwardRange& rng, UnaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
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return boost::range_return<ForwardRange,re>:: |
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pack(std::partition(boost::begin(rng), boost::end(rng), pred), 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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class UnaryPredicate > |
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inline BOOST_DEDUCED_TYPENAME range_return<const ForwardRange,re>::type |
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partition(const ForwardRange& rng, UnaryPredicate pred) |
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{ |
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BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
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return boost::range_return<const ForwardRange,re>:: |
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pack(std::partition(boost::begin(rng), boost::end(rng), pred), rng); |
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} |
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} // namespace range |
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using range::partition; |
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} // namespace boost |
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#endif // include guard
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