Sprout/sprout/algorithm/fit/swap_element_copy.hpp
2013-02-26 10:43:27 +09:00

41 lines
1.6 KiB
C++

#ifndef SPROUT_ALGORITHM_FIT_SWAP_ELEMENT_COPY_HPP
#define SPROUT_ALGORITHM_FIT_SWAP_ELEMENT_COPY_HPP
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/algorithm/fixed/swap_element_copy.hpp>
#include <sprout/algorithm/fit/result_of.hpp>
#include <sprout/sub_array/sub_array.hpp>
#include <sprout/sub_array/sub.hpp>
#include <sprout/iterator/operation.hpp>
namespace sprout {
namespace fit {
namespace detail {
template<typename ForwardIterator, typename Result>
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
swap_element_copy_impl(
ForwardIterator first, ForwardIterator last, Result const& result, ForwardIterator pos1, ForwardIterator pos2,
typename sprout::container_traits<Result>::difference_type offset
)
{
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::swap_element_copy(first, last, result, pos1, pos2)),
offset,
offset + sprout::fit_size(result, sprout::distance(first, last))
);
}
} // namespace detail
//
// swap_element_copy
//
template<typename ForwardIterator, typename Result>
inline SPROUT_CONSTEXPR typename sprout::fit::result_of::algorithm<Result>::type
swap_element_copy(ForwardIterator first, ForwardIterator last, Result const& result, ForwardIterator pos1, ForwardIterator pos2) {
return sprout::fit::detail::swap_element_copy_impl(first, last, result, pos1, pos2, sprout::internal_begin_offset(result));
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_FIT_SWAP_ELEMENT_COPY_HPP