Sprout/sprout/operation/fixed/pop_front_n.hpp
bolero-MURAKAMI b3bb8121e8 最初
2011-09-01 02:48:32 +00:00

40 lines
1.2 KiB
C++

#ifndef SPROUT_OPERATION_FIXED_POP_FRONT_N_HPP
#define SPROUT_OPERATION_FIXED_POP_FRONT_N_HPP
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/index_tuple.hpp>
#include <sprout/fixed_container/traits.hpp>
#include <sprout/fixed_container/functions.hpp>
#include <sprout/operation/fixed/erase_n.hpp>
namespace sprout {
namespace fixed {
namespace result_of {
//
// pop_front_n
//
template<std::size_t N, typename Container>
struct pop_front_n
: public erase_n<N, Container>
{};
} // namespace result_of
//
// pop_front_n
//
template<std::size_t N, typename Container>
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::pop_front_n<N, Container>::type pop_front_n(
Container const& cont
)
{
return sprout::fixed::detail::erase_n_impl<N, typename sprout::fixed::result_of::pop_front_n<N, Container>::type>(
cont,
typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::pop_front_n<N, Container>::type>::fixed_size>::type(),
sprout::fixed_begin_offset(cont)
);
}
} // namespace fixed
} // namespace sprout
#endif // #ifndef SPROUT_OPERATION_FIXED_POP_FRONT_N_HPP