You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and dots ('.'), can be up to 35 characters long. Letters must be lowercase.
51 lines
1.4 KiB
51 lines
1.4 KiB
// Copyright Neil Groves 2009. Use, modification and |
|
// distribution is subject to the Boost Software License, Version |
|
// 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
|
// http://www.boost.org/LICENSE_1_0.txt) |
|
// |
|
// |
|
// For more information, see http://www.boost.org/libs/range/ |
|
// |
|
#ifndef BOOST_RANGE_ALGORITHM_ROTATE_HPP_INCLUDED |
|
#define BOOST_RANGE_ALGORITHM_ROTATE_HPP_INCLUDED |
|
|
|
#include <boost/concept_check.hpp> |
|
#include <boost/range/begin.hpp> |
|
#include <boost/range/end.hpp> |
|
#include <boost/range/concepts.hpp> |
|
#include <algorithm> |
|
|
|
namespace boost |
|
{ |
|
namespace range |
|
{ |
|
|
|
/// \brief template function rotate |
|
/// |
|
/// range-based version of the rotate std algorithm |
|
/// |
|
/// \pre Rng meets the requirements for a Forward range |
|
template<class ForwardRange> |
|
inline ForwardRange& rotate(ForwardRange& rng, |
|
BOOST_DEDUCED_TYPENAME range_iterator<ForwardRange>::type middle) |
|
{ |
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<ForwardRange> )); |
|
std::rotate(boost::begin(rng), middle, boost::end(rng)); |
|
return rng; |
|
} |
|
|
|
/// \overload |
|
template<class ForwardRange> |
|
inline const ForwardRange& rotate(const ForwardRange& rng, |
|
BOOST_DEDUCED_TYPENAME range_iterator<const ForwardRange>::type middle) |
|
{ |
|
BOOST_RANGE_CONCEPT_ASSERT(( ForwardRangeConcept<const ForwardRange> )); |
|
std::rotate(boost::begin(rng), middle, boost::end(rng)); |
|
return rng; |
|
} |
|
|
|
} // namespace range |
|
using range::rotate; |
|
} // namespace boost |
|
|
|
#endif // include guard
|
|
|