ceph/src/boost/libs/range/include/boost/range/algorithm/copy_backward.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_COPY_BACKWARD_HPP_INCLUDED
  10 #define BOOST_RANGE_ALGORITHM_COPY_BACKWARD_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 <algorithm>
  17
  18 namespace boost
  19 {
  20     namespace range
  21     {
  22
  23 /// \brief template function copy_backward
  24 ///
  25 /// range-based version of the copy_backwards std algorithm
  26 ///
  27 /// \pre BidirectionalRange is a model of the BidirectionalRangeConcept
  28 /// \pre BidirectionalTraversalWriteableIterator is a model of the BidirectionalIteratorConcept
  29 /// \pre BidirectionalTraversalWriteableIterator is a model of the WriteableIteratorConcept
  30 template< class BidirectionalRange, class BidirectionalTraversalWriteableIterator >
  31 inline BidirectionalTraversalWriteableIterator
  32 copy_backward(const BidirectionalRange& rng,
  33               BidirectionalTraversalWriteableIterator out)
  34 {
  35     BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> ));
  36     return std::copy_backward(boost::begin(rng), boost::end(rng), out);
  37 }
  38
  39     } // namespace range
  40     using range::copy_backward;
  41 } // namespace boost
  42
  43 #endif // include guard