Sprout/sprout/algorithm/outfit/copy_n.hpp
bolero-MURAKAMI b3bb8121e8 最初
2011-09-01 02:48:32 +00:00

43 lines
1.3 KiB
C++

#ifndef SPROUT_ALGORITHM_OUTFIT_COPY_N_HPP
#define SPROUT_ALGORITHM_OUTFIT_COPY_N_HPP
#include <sprout/config.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_container/functions.hpp>
#include <sprout/algorithm/fixed/copy_n.hpp>
#include <sprout/sub_array.hpp>
namespace sprout {
namespace outfit {
namespace detail {
template<typename Iterator, typename Size, typename Result>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> copy_n_impl(
Iterator first,
Size n,
Result const& result,
typename sprout::fixed_container_traits<Result>::difference_type offset
)
{
return sprout::sub_copy(
sprout::fixed::copy_n(first, n, result),
offset,
offset + sprout::size(result)
);
}
} // namespace detail
//
// copy_n
//
template<typename Iterator, typename Size, typename Result>
SPROUT_CONSTEXPR inline sprout::sub_array<typename sprout::fixed_container_traits<Result>::fixed_container_type> copy_n(
Iterator first,
Size n,
Result const& result
)
{
return sprout::outfit::detail::copy_n_impl(first, n, result, sprout::fixed_begin_offset(result));
}
} // namespace outfit
} // namespace sprout
#endif // #ifndef SPROUT_ALGORITHM_OUTFIT_COPY_N_HPP