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