// 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_EQUAL_RANGE_HPP_INCLUDED #define BOOST_RANGE_ALGORITHM_EQUAL_RANGE_HPP_INCLUDED #include <boost/concept_check.hpp> #include <boost/range/begin.hpp> #include <boost/range/end.hpp> #include <boost/range/concepts.hpp> #include <algorithm> namespace boost { namespace range { /// \brief template function equal_range /// /// range-based version of the equal_range std algorithm /// /// \pre ForwardRange is a model of the ForwardRangeConcept /// \pre SortPredicate is a model of the BinaryPredicateConcept template<class ForwardRange, class Value> inline std::pair< BOOST_DEDUCED_TYPENAME boost::range_iterator<ForwardRange>::type, BOOST_DEDUCED_TYPENAME boost::range_iterator<ForwardRange>::type > equal_range(ForwardRange& rng, const Value& val) { BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); return std::equal_range(boost::begin(rng), boost::end(rng), val); } /// \overload template<class ForwardRange, class Value> inline std::pair< BOOST_DEDUCED_TYPENAME boost::range_iterator<const ForwardRange>::type, BOOST_DEDUCED_TYPENAME boost::range_iterator<const ForwardRange>::type > equal_range(const ForwardRange& rng, const Value& val) { BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); return std::equal_range(boost::begin(rng), boost::end(rng), val); } /// \overload template<class ForwardRange, class Value, class SortPredicate> inline std::pair< BOOST_DEDUCED_TYPENAME boost::range_iterator<ForwardRange>::type, BOOST_DEDUCED_TYPENAME boost::range_iterator<ForwardRange>::type > equal_range(ForwardRange& rng, const Value& val, SortPredicate pred) { BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); return std::equal_range(boost::begin(rng), boost::end(rng), val, pred); } /// \overload template<class ForwardRange, class Value, class SortPredicate> inline std::pair< BOOST_DEDUCED_TYPENAME boost::range_iterator<const ForwardRange>::type, BOOST_DEDUCED_TYPENAME boost::range_iterator<const ForwardRange>::type > equal_range(const ForwardRange& rng, const Value& val, SortPredicate pred) { BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); return std::equal_range(boost::begin(rng), boost::end(rng), val, pred); } } // namespace range using range::equal_range; } // namespace boost #endif // include guard