ceph/src/boost/libs/range/include/boost/range/algorithm/rotate_copy.hpp

   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