mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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67 lines
2.3 KiB
C++
67 lines
2.3 KiB
C++
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#ifndef SPROUT_SUB_ARRAY_TUPLE_HPP
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#define SPROUT_SUB_ARRAY_TUPLE_HPP
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#include <cstddef>
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#include <type_traits>
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#include <tuple>
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#include <sprout/config.hpp>
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#include <sprout/container/traits.hpp>
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#include <sprout/container/functions.hpp>
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#include <sprout/iterator/operation.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/sub_array/sub_array.hpp>
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#include <sprout/sub_array/container.hpp>
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namespace sprout {
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namespace tuples {
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//
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// get
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//
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template<std::size_t I, typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::sub_array<Container> >::value_type&
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get(sprout::sub_array<Container>& t)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(*sprout::next(sprout::internal_begin(t), I)))
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{
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static_assert(I < sprout::container_traits<sprout::sub_array<Container> >::static_size, "get: index out of range");
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return *sprout::next(sprout::internal_begin(t), I);
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}
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template<std::size_t I, typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::sub_array<Container> >::value_type const&
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get(sprout::sub_array<Container> const& t)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(*sprout::next(sprout::internal_begin(t), I)))
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{
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static_assert(I < sprout::container_traits<sprout::sub_array<Container> >::static_size, "get: index out of range");
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return *sprout::next(sprout::internal_begin(t), I);
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}
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template<std::size_t I, typename Container>
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inline SPROUT_CONSTEXPR typename sprout::container_traits<sprout::sub_array<Container> >::value_type&&
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get(sprout::sub_array<Container>&& t)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::move(sprout::tuples::get<I>(t))))
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{
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return sprout::move(sprout::tuples::get<I>(t));
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}
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} // namespace tuples
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using sprout::tuples::get;
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} // namespace sprout
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namespace std {
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//
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// tuple_size
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//
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template<typename Container>
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struct tuple_size<sprout::sub_array<Container> >
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: public std::tuple_size<typename std::remove_reference<Container>::type>
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{};
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//
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// tuple_element
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//
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template<std::size_t I, typename Container>
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struct tuple_element<I, sprout::sub_array<Container> >
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: public std::tuple_element<I, typename std::remove_reference<Container>::type>
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{};
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} // namespace std
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#endif // #ifndef SPROUT_SUB_ARRAY_TUPLE_HPP
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