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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/range/algorithm/lexicographical_compare.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/range/algorithm/lexicographical_compare.hpp | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/range/algorithm/lexicographical_compare.hpp b/src/third_party/boost-1.69.0/boost/range/algorithm/lexicographical_compare.hpp new file mode 100644 index 00000000000..c6e4bc8ef44 --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/range/algorithm/lexicographical_compare.hpp @@ -0,0 +1,58 @@ +// 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_LEXICOGRAPHICAL_COMPARE_HPP_INCLUDED +#define BOOST_RANGE_ALGORITHM_LEXICOGRAPHICAL_COMPARE_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 lexicographic_compare +/// +/// range-based version of the lexicographic_compare std algorithm +/// +/// \pre SinglePassRange1 is a model of the SinglePassRangeConcept +/// \pre SinglePassRange2 is a model of the SinglePassRangeConcept +template<class SinglePassRange1, class SinglePassRange2> +inline bool lexicographical_compare(const SinglePassRange1& rng1, + const SinglePassRange2& rng2) +{ + BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); + BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> )); + return std::lexicographical_compare( + boost::begin(rng1), boost::end(rng1), + boost::begin(rng2), boost::end(rng2)); +} + +/// \overload +template<class SinglePassRange1, class SinglePassRange2, + class BinaryPredicate> +inline bool lexicographical_compare(const SinglePassRange1& rng1, + const SinglePassRange2& rng2, + BinaryPredicate pred) +{ + BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange1> )); + BOOST_RANGE_CONCEPT_ASSERT(( SinglePassRangeConcept<const SinglePassRange2> )); + return std::lexicographical_compare( + boost::begin(rng1), boost::end(rng1), + boost::begin(rng2), boost::end(rng2), pred); +} + + } // namespace range + using range::lexicographical_compare; +} // namespace boost + +#endif // include guard |