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add index_tuple/integer_seq

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bolero-MURAKAMI 2013-03-31 13:39:26 +09:00
parent 6a78f64feb
commit 331aaa3559
14 changed files with 358 additions and 180 deletions
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44
sprout/index_tuple/tuple.hpp
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@ -5,6 +5,7 @@
#include <tuple>
#include <type_traits>
#include <sprout/config.hpp>
#include <sprout/index_tuple/integer_seq.hpp>
#include <sprout/index_tuple/index_tuple.hpp>
namespace std {
@ -12,23 +13,52 @@ namespace std {
# pragma clang diagnostic push
# pragma clang diagnostic ignored "-Wmismatched-tags"
#endif
//
// tuple_size
//
template<typename T, T... Is>
struct tuple_size<sprout::integer_seq<T, Is...> >
: public std::integral_constant<std::size_t, sizeof...(Is)>
{};
//
// tuple_element
//
template<std::size_t I, typename T, T... Is>
struct tuple_element<I, sprout::integer_seq<T, Is...> > {
static_assert(I < sizeof...(Is), "tuple_element<>: index out of range");
public:
typedef T type;
};
//
// tuple_size
//
template<sprout::index_t... Indexes>
struct tuple_size<sprout::index_tuple<Indexes...> >
: public std::integral_constant<std::size_t, sizeof...(Indexes)>
: public std::tuple_size<sprout::integer_seq<sprout::index_t, Indexes...> >
{};
//
// tuple_element
//
template<std::size_t I, sprout::index_t... Indexes>
struct tuple_element<I, sprout::index_tuple<Indexes...> > {
static_assert(I < sizeof...(Indexes), "tuple_element<>: index out of range");
public:
typedef sprout::index_t type;
};
struct tuple_element<I, sprout::index_tuple<Indexes...> >
: public std::tuple_element<I, sprout::integer_seq<sprout::index_t, Indexes...> >
{};
//
// tuple_size
//
template<sprout::uindex_t... Indexes>
struct tuple_size<sprout::uindex_tuple<Indexes...> >
: public std::tuple_size<sprout::integer_seq<sprout::uindex_t, Indexes...> >
{};
//
// tuple_element
//
template<std::size_t I, sprout::uindex_t... Indexes>
struct tuple_element<I, sprout::uindex_tuple<Indexes...> >
: public std::tuple_element<I, sprout::integer_seq<sprout::uindex_t, Indexes...> >
{};
#if defined(__clang__)
# pragma clang diagnostic pop
#endif