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
copy_backward(const BidirectionalRange & rng,BidirectionalTraversalWriteableIterator out)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
44