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>
rotate_copy(const ForwardRange & rng,BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type middle,OutputIterator target)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