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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_REVERSE_HPP_INCLUDED | |
10 | #define BOOST_RANGE_ALGORITHM_REVERSE_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/detail/range_return.hpp> | |
17 | #include <algorithm> | |
18 | ||
19 | namespace boost | |
20 | { | |
21 | namespace range | |
22 | { | |
23 | ||
24 | /// \brief template function reverse | |
25 | /// | |
26 | /// range-based version of the reverse std algorithm | |
27 | /// | |
28 | /// \pre BidirectionalRange is a model of the BidirectionalRangeConcept | |
29 | template<class BidirectionalRange> | |
30 | inline BidirectionalRange& reverse(BidirectionalRange& rng) | |
31 | { | |
32 | BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<BidirectionalRange> )); | |
33 | std::reverse(boost::begin(rng), boost::end(rng)); | |
34 | return rng; | |
35 | } | |
36 | ||
37 | /// \overload | |
38 | template<class BidirectionalRange> | |
39 | inline const BidirectionalRange& reverse(const BidirectionalRange& rng) | |
40 | { | |
41 | BOOST_RANGE_CONCEPT_ASSERT(( BidirectionalRangeConcept<const BidirectionalRange> )); | |
42 | std::reverse(boost::begin(rng), boost::end(rng)); | |
43 | return rng; | |
44 | } | |
45 | ||
46 | } // namespace range | |
47 | using range::reverse; | |
48 | } // namespace boost | |
49 | ||
50 | #endif // include guard |