mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
synced 2024-12-27 21:45:42 +00:00
75 lines
2 KiB
C++
75 lines
2 KiB
C++
|
#ifndef SPROUT_WEED_ATTR_CNV_RESULT_OF_TIMES_HPP
|
||
|
|
#define SPROUT_WEED_ATTR_CNV_RESULT_OF_TIMES_HPP
|
||
|
|
|
||
|
|
#include <cstddef>
|
||
|
|
#include <type_traits>
|
||
|
|
#include <sprout/config.hpp>
|
||
|
|
#include <sprout/string.hpp>
|
||
|
|
#include <sprout/array.hpp>
|
||
|
|
#include <sprout/algorithm/string/join.hpp>
|
||
|
|
#include <sprout/weed/unused.hpp>
|
||
|
|
#include <sprout/weed/traits/type/is_char_type.hpp>
|
||
|
|
#include <sprout/weed/traits/type/is_container.hpp>
|
||
|
|
#include <sprout/weed/traits/type/is_unused.hpp>
|
||
|
|
|
||
|
|
namespace sprout {
|
||
|
|
namespace weed {
|
||
|
|
namespace attr_cnv {
|
||
|
|
namespace result_of {
|
||
|
|
//
|
||
|
|
// times
|
||
|
|
//
|
||
|
|
template<std::size_t Limit, typename T, typename = void>
|
||
|
|
struct times;
|
||
|
|
// times<N>(container<V, K>) -> container<V, N * K>
|
||
|
|
template<std::size_t Limit, typename T>
|
||
|
|
struct times<
|
||
|
|
Limit,
|
||
|
|
T,
|
||
|
|
typename std::enable_if<
|
||
|
|
Limit != std::size_t(-1)
|
||
|
|
&& sprout::weed::traits::is_container<T>::value
|
||
|
|
>::type
|
||
|
|
> {
|
||
|
|
public:
|
||
|
|
typedef typename sprout::algorithm::result_of::join<
|
||
|
|
sprout::array<T, Limit>
|
||
|
|
>::type type;
|
||
|
|
};
|
||
|
|
// times<N>(V) -> container<V, N>
|
||
|
|
template<std::size_t Limit, typename T>
|
||
|
|
struct times<
|
||
|
|
Limit,
|
||
|
|
T,
|
||
|
|
typename std::enable_if<
|
||
|
|
Limit != std::size_t(-1)
|
||
|
|
&& !sprout::weed::traits::is_container<T>::value
|
||
|
|
&& !sprout::weed::traits::is_unused<T>::value
|
||
|
|
>::type
|
||
|
|
> {
|
||
|
|
public:
|
||
|
|
typedef typename std::conditional<
|
||
|
|
sprout::weed::traits::is_char_type<T>::value,
|
||
|
|
sprout::basic_string<T, Limit>,
|
||
|
|
sprout::array<T, Limit>
|
||
|
|
>::type type;
|
||
|
|
};
|
||
|
|
// times<N>(unused) -> unused
|
||
|
|
template<std::size_t Limit, typename T>
|
||
|
|
struct times<
|
||
|
|
Limit,
|
||
|
|
T,
|
||
|
|
typename std::enable_if<
|
||
|
|
sprout::weed::traits::is_unused<T>::value
|
||
|
|
>::type
|
||
|
|
> {
|
||
|
|
public:
|
||
|
|
typedef sprout::weed::unused type;
|
||
|
|
};
|
||
|
|
} // namespace result_of
|
||
|
|
} // namespace attr_cnv
|
||
|
|
} // namespace weed
|
||
|
|
} // namespace sprout
|
||
|
|
|
||
|
|
#endif // #ifndef SPROUT_WEED_ATTR_CNV_RESULT_OF_TIMES_HPP
|