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Diffstat (limited to 'src/third_party/boost-1.60.0/boost/range/algorithm/count.hpp')
-rw-r--r-- | src/third_party/boost-1.60.0/boost/range/algorithm/count.hpp | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/src/third_party/boost-1.60.0/boost/range/algorithm/count.hpp b/src/third_party/boost-1.60.0/boost/range/algorithm/count.hpp new file mode 100644 index 00000000000..8316ce0f11b --- /dev/null +++ b/src/third_party/boost-1.60.0/boost/range/algorithm/count.hpp @@ -0,0 +1,50 @@ +// 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_COUNT_HPP_INCLUDED +#define BOOST_RANGE_ALGORITHM_COUNT_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/difference_type.hpp> +#include <algorithm> + +namespace boost +{ + namespace range + { + +/// \brief template function count +/// +/// range-based version of the count std algorithm +/// +/// \pre SinglePassRange is a model of the SinglePassRangeConcept +template< class SinglePassRange, class Value > +inline BOOST_DEDUCED_TYPENAME range_difference<SinglePassRange>::type +count(SinglePassRange& rng, const Value& val) +{ + BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<SinglePassRange> )); + return std::count(boost::begin(rng), boost::end(rng), val); +} + +/// \overload +template< class SinglePassRange, class Value > +inline BOOST_DEDUCED_TYPENAME range_difference<SinglePassRange const>::type +count(const SinglePassRange& rng, const Value& val) +{ + BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange> )); + return std::count(boost::begin(rng), boost::end(rng), val); +} + + } // namespace range + using range::count; +} // namespace boost + +#endif // include guard |