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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_BINARY_SEARCH_HPP_INCLUDED
- #define BOOST_RANGE_ALGORITHM_BINARY_SEARCH_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 binary_search
- ///
- /// range-based version of the binary_search std algorithm
- ///
- /// \pre ForwardRange is a model of the ForwardRangeConcept
- /// \pre BinaryPredicate is a model of the BinaryPredicateConcept
- template<class ForwardRange, class Value>
- inline bool binary_search(const ForwardRange& rng, const Value& val)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
- return std::binary_search(boost::begin(rng), boost::end(rng), val);
- }
- /// \overload
- template<class ForwardRange, class Value, class BinaryPredicate>
- inline bool binary_search(const ForwardRange& rng, const Value& val,
- BinaryPredicate pred)
- {
- BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> ));
- return std::binary_search(boost::begin(rng), boost::end(rng), val, pred);
- }
- } // namespace range
- using range::binary_search;
- } // namespace boost
- #endif // include guard
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