| 1 | // Copyright Neil Groves 2009. Use, modification and |
|---|---|
| 2 | // distribution is subject to the Boost Software License, Version |
| 3 | // 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| 4 | // http://www.boost.org/LICENSE_1_0.txt) |
| 5 | // |
| 6 | // |
| 7 | // For more information, see http://www.boost.org/libs/range/ |
| 8 | // |
| 9 | #ifndef BOOST_RANGE_ALGORITHM_ROTATE_COPY_HPP_INCLUDED |
| 10 | #define BOOST_RANGE_ALGORITHM_ROTATE_COPY_HPP_INCLUDED |
| 11 | |
| 12 | #include <boost/concept_check.hpp> |
| 13 | #include <boost/range/begin.hpp> |
| 14 | #include <boost/range/end.hpp> |
| 15 | #include <boost/range/concepts.hpp> |
| 16 | #include <boost/range/iterator.hpp> |
| 17 | #include <algorithm> |
| 18 | |
| 19 | namespace boost |
| 20 | { |
| 21 | namespace range |
| 22 | { |
| 23 | |
| 24 | /// \brief template function rotate |
| 25 | /// |
| 26 | /// range-based version of the rotate std algorithm |
| 27 | /// |
| 28 | /// \pre Rng meets the requirements for a Forward range |
| 29 | template<typename ForwardRange, typename OutputIterator> |
| 30 | inline OutputIterator rotate_copy( |
| 31 | const ForwardRange& rng, |
| 32 | BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type middle, |
| 33 | OutputIterator target |
| 34 | ) |
| 35 | { |
| 36 | BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
| 37 | return std::rotate_copy(boost::begin(rng), middle, boost::end(rng), target); |
| 38 | } |
| 39 | |
| 40 | } // namespace range |
| 41 | using range::rotate_copy; |
| 42 | } // namespace boost |
| 43 | |
| 44 | #endif // include guard |
| 45 |