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add enable_make_indexes

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This commit is contained in:
bolero-MURAKAMI 2013-04-06 13:06:51 +09:00
parent bc2e3e245b
commit 410c369a6a
100 changed files with 237 additions and 156 deletions
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38
sprout/index_tuple/tuple.hpp
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@ -7,6 +7,7 @@
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
#include <sprout/utility/pack.hpp>
namespace std {
#if defined(__clang__)
@ -27,7 +28,7 @@ namespace std {
struct tuple_element<I, sprout::integer_seq<T, Is...> > {
static_assert(I < sizeof...(Is), "tuple_element<>: index out of range");
public:
typedef T type;
typedef typename sprout::tppack_c_at<I, T, Is...>::type type;
};
//
@ -64,4 +65,39 @@ namespace std {
#endif
} // namespace std
namespace sprout {
//
// tuple_get
//
template<std::size_t I, typename T, T... Is>
inline SPROUT_CONSTEXPR typename std::tuple_element<I, sprout::integer_seq<T, Is...> >::type
tuple_get(sprout::integer_seq<T, Is...>) SPROUT_NOEXCEPT {
static_assert(I < sizeof...(Is), "tuple_get: index out of range");
typedef typename std::tuple_element<I, sprout::integer_seq<T, Is...> >::type type;
return type();
}
//
// tuple_get
//
template<std::size_t I, sprout::index_t... Indexes>
inline SPROUT_CONSTEXPR typename std::tuple_element<I, sprout::index_tuple<Indexes...> >::type
tuple_get(sprout::index_tuple<Indexes...>) SPROUT_NOEXCEPT {
static_assert(I < sizeof...(Indexes), "tuple_get: index out of range");
typedef typename std::tuple_element<I, sprout::index_tuple<Indexes...> >::type type;
return type();
}
//
// tuple_get
//
template<std::size_t I, sprout::uindex_t... Indexes>
inline SPROUT_CONSTEXPR typename std::tuple_element<I, sprout::uindex_tuple<Indexes...> >::type
tuple_get(sprout::uindex_tuple<Indexes...>) SPROUT_NOEXCEPT {
static_assert(I < sizeof...(Indexes), "tuple_get: index out of range");
typedef typename std::tuple_element<I, sprout::uindex_tuple<Indexes...> >::type type;
return type();
}
} // namespace sprout
#endif // #ifndef SPROUT_INDEX_TUPLE_TUPLE_HPP