mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-25 21:35:41 +00:00
90 lines
3 KiB
C++
90 lines
3 KiB
C++
#ifndef SPROUT_OPERATION_FIXED_ERASE_HPP
|
|
#define SPROUT_OPERATION_FIXED_ERASE_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/iterator/operation.hpp>
|
|
#include HDR_ITERATOR_SSCRISK_CEL_OR_SPROUT_DETAIL
|
|
|
|
namespace sprout {
|
|
namespace fixed {
|
|
namespace result_of {
|
|
//
|
|
// erase
|
|
//
|
|
template<typename Container>
|
|
struct erase {
|
|
static_assert(sprout::fixed_container_traits<Container>::fixed_size >= 1, "fixed_size >= 1");
|
|
public:
|
|
typedef typename sprout::rebind_fixed_size<
|
|
Container
|
|
>::template apply<
|
|
sprout::fixed_container_traits<Container>::fixed_size - 1
|
|
>::type type;
|
|
};
|
|
} // namespace result_of
|
|
|
|
namespace detail {
|
|
template<typename Result, typename Container, std::ptrdiff_t... Indexes>
|
|
SPROUT_CONSTEXPR inline Result erase_impl(
|
|
Container const& cont,
|
|
sprout::index_tuple<Indexes...>,
|
|
typename sprout::fixed_container_traits<Container>::difference_type pos
|
|
)
|
|
{
|
|
return sprout::remake_clone<Result>(
|
|
cont,
|
|
sprout::size(cont) - 1,
|
|
(Indexes < sprout::fixed_container_traits<Container>::fixed_size - 1
|
|
? (Indexes < pos
|
|
? *sprout::next(sprout::fixed_begin(cont), Indexes)
|
|
: *sprout::next(sprout::fixed_begin(cont), Indexes + 1)
|
|
)
|
|
: typename sprout::fixed_container_traits<Result>::value_type()
|
|
)...
|
|
);
|
|
}
|
|
} // namespace detail
|
|
//
|
|
// erase
|
|
//
|
|
template<typename Container>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::erase<Container>::type erase(
|
|
Container const& cont,
|
|
typename sprout::fixed_container_traits<Container>::const_iterator pos
|
|
)
|
|
{
|
|
return sprout::fixed::detail::erase_impl<typename sprout::fixed::result_of::erase<Container>::type>(
|
|
cont,
|
|
typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::erase<Container>::type>::fixed_size>::type(),
|
|
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::fixed_begin(cont), pos)
|
|
);
|
|
}
|
|
//
|
|
// erase
|
|
//
|
|
template<typename Container>
|
|
SPROUT_CONSTEXPR inline typename sprout::fixed::result_of::erase<Container>::type erase(
|
|
Container const& cont,
|
|
typename sprout::fixed_container_traits<Container>::difference_type pos
|
|
)
|
|
{
|
|
return sprout::fixed::detail::erase_impl<typename sprout::fixed::result_of::erase<Container>::type>(
|
|
cont,
|
|
typename sprout::index_range<0, sprout::fixed_container_traits<typename sprout::fixed::result_of::erase<Container>::type>::fixed_size>::type(),
|
|
NS_SSCRISK_CEL_OR_SPROUT_DETAIL::distance(sprout::fixed_begin(cont), sprout::next(sprout::begin(cont), pos))
|
|
);
|
|
}
|
|
} // namespace fixed
|
|
|
|
namespace result_of {
|
|
using sprout::fixed::result_of::erase;
|
|
} // namespace result_of
|
|
|
|
using sprout::fixed::erase;
|
|
} // namespace sprout
|
|
|
|
#endif // #ifndef SPROUT_OPERATION_FIXED_ERASE_HPP
|