Sprout/sprout/operation/fit/pop_back.hpp

45 lines
1.1 KiB
C++

#ifndef SPROUT_OPERATION_FIT_POP_BACK_HPP
#define SPROUT_OPERATION_FIT_POP_BACK_HPP
#include <cstddef>
#include <sprout/config.hpp>
#include <sprout/container/traits.hpp>
#include <sprout/container/functions.hpp>
#include <sprout/operation/fixed/pop_back.hpp>
#include <sprout/sub_array.hpp>
namespace sprout {
namespace fit {
namespace result_of {
//
// pop_back
//
template<typename Container>
struct pop_back {
public:
typedef sprout::sub_array<
typename sprout::container_traits<
typename sprout::fixed::result_of::pop_back<Container>::type
>::internal_type
> type;
};
} // namespace result_of
//
// pop_back
//
template<typename Container>
SPROUT_CONSTEXPR inline typename sprout::fit::result_of::pop_back<Container>::type pop_back(
Container const& cont
)
{
return sprout::sub_copy(
sprout::get_internal(sprout::fixed::pop_back(cont)),
sprout::internal_begin_offset(cont),
sprout::internal_end_offset(cont) - 1
);
}
} // namespace fit
} // namespace sprout
#endif // #ifndef SPROUT_OPERATION_FIT_POP_BACK_HPP