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add array constexpr member-functions fill, assign

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bolero-MURAKAMI 2012-10-05 01:53:39 +09:00
parent d76d714816
commit a660478548
10 changed files with 110 additions and 70 deletions
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59
sprout/variant/tuple.hpp Normal file
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#ifndef SPROUT_VARIANT_TUPLE_HPP
#define SPROUT_VARIANT_TUPLE_HPP
#include <cstddef>
#include <tuple>
#include <sprout/config.hpp>
#include <sprout/variant/variant.hpp>
#include <sprout/utility/move.hpp>
#include <sprout/tuple/tuple/get.hpp>
namespace sprout_adl {
//
// tuple_get
//
template<std::size_t I, typename... Types>
inline SPROUT_CONSTEXPR typename sprout::tuples::tuple_element<
I,
sprout::variant<Types...>
>::type const&
tuple_get(sprout::variant<Types...> const& t) {
return t.template get_at<I>();
}
template<std::size_t I, typename... Types>
inline SPROUT_CONSTEXPR typename sprout::tuples::tuple_element<
I,
sprout::variant<Types...>
>::type&
tuple_get(sprout::variant<Types...>& t) {
return t.template get_at<I>();
}
template<std::size_t I, typename... Types>
inline SPROUT_CONSTEXPR typename sprout::tuples::tuple_element<
I,
sprout::variant<Types...>
>::type&&
tuple_get(sprout::variant<Types...>&& t) {
return sprout::move(sprout::tuples::get<I>(t));
}
} // namespace sprout_adl
namespace std {
//
// tuple_size
//
template<typename... Types>
struct tuple_size<sprout::variant<Types...> >
: public std::tuple_size<typename sprout::variant<Types...>::tuple_type>
{};
//
// tuple_element
//
template<std::size_t I, typename... Types>
struct tuple_element<I, sprout::variant<Types...> >
: public std::tuple_element<I, typename sprout::variant<Types...>::tuple_type>
{};
} // namespace std
#endif // #ifndef SPROUT_VARIANT_TUPLE_HPP