/Src/Dependencies/Boost/boost/range/algorithm/swap_ranges.hpp
http://hadesmem.googlecode.com/ · C++ Header · 132 lines · 96 code · 19 blank · 17 comment · 3 complexity · cbe8e5aed111a347105f8db3b5ec261c MD5 · raw file
- // 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_SWAP_RANGES_HPP_INCLUDED
- #define BOOST_RANGE_ALGORITHM_SWAP_RANGES_HPP_INCLUDED
- #include <boost/assert.hpp>
- #include <boost/concept_check.hpp>
- #include <boost/iterator/iterator_categories.hpp>
- #include <boost/range/begin.hpp>
- #include <boost/range/end.hpp>
- #include <boost/range/concepts.hpp>
- #include <boost/range/iterator.hpp>
- #include <algorithm>
- namespace boost
- {
- namespace range_detail
- {
- template<class Iterator1, class Iterator2>
- void swap_ranges_impl(Iterator1 it1, Iterator1 last1,
- Iterator2 it2, Iterator2 last2,
- single_pass_traversal_tag,
- single_pass_traversal_tag)
- {
- ignore_unused_variable_warning(last2);
- for (; it1 != last1; ++it1, ++it2)
- {
- BOOST_ASSERT( it2 != last2 );
- std::iter_swap(it1, it2);
- }
- }
- template<class Iterator1, class Iterator2>
- void swap_ranges_impl(Iterator1 it1, Iterator1 last1,
- Iterator2 it2, Iterator2 last2,
- random_access_traversal_tag,
- random_access_traversal_tag)
- {
- ignore_unused_variable_warning(last2);
- BOOST_ASSERT( last2 - it2 >= last1 - it1 );
- std::swap_ranges(it1, last1, it2);
- }
- template<class Iterator1, class Iterator2>
- void swap_ranges_impl(Iterator1 first1, Iterator1 last1,
- Iterator2 first2, Iterator2 last2)
- {
- swap_ranges_impl(first1, last1, first2, last2,
- BOOST_DEDUCED_TYPENAME iterator_traversal<Iterator1>::type(),
- BOOST_DEDUCED_TYPENAME iterator_traversal<Iterator2>::type());
- }
- } // namespace range_detail
- namespace range
- {
- /// \brief template function swap_ranges
- ///
- /// range-based version of the swap_ranges std algorithm
- ///
- /// \pre SinglePassRange1 is a model of the SinglePassRangeConcept
- /// \pre SinglePassRange2 is a model of the SinglePassRangeConcept
- template< class SinglePassRange1, class SinglePassRange2 >
- inline SinglePassRange2&
- swap_ranges(SinglePassRange1& range1, SinglePassRange2& range2)
- {
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange1>));
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange2>));
- boost::range_detail::swap_ranges_impl(
- boost::begin(range1), boost::end(range1),
- boost::begin(range2), boost::end(range2));
- return range2;
- }
- /// \overload
- template< class SinglePassRange1, class SinglePassRange2 >
- inline SinglePassRange2&
- swap_ranges(const SinglePassRange1& range1, SinglePassRange2& range2)
- {
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange1>));
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange2>));
- boost::range_detail::swap_ranges_impl(
- boost::begin(range1), boost::end(range1),
- boost::begin(range2), boost::end(range2));
- return range2;
- }
- /// \overload
- template< class SinglePassRange1, class SinglePassRange2 >
- inline const SinglePassRange2&
- swap_ranges(SinglePassRange1& range1, const SinglePassRange2& range2)
- {
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<SinglePassRange1>));
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange2>));
- boost::range_detail::swap_ranges_impl(
- boost::begin(range1), boost::end(range1),
- boost::begin(range2), boost::end(range2));
- return range2;
- }
- /// \overload
- template< class SinglePassRange1, class SinglePassRange2 >
- inline const SinglePassRange2&
- swap_ranges(const SinglePassRange1& range1, const SinglePassRange2& range2)
- {
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange1>));
- BOOST_RANGE_CONCEPT_ASSERT((SinglePassRangeConcept<const SinglePassRange2>));
- boost::range_detail::swap_ranges_impl(
- boost::begin(range1), boost::end(range1),
- boost::begin(range2), boost::end(range2));
- return range2;
- }
- } // namespace range
- using range::swap_ranges;
- } // namespace boost
- #endif // include guard