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48 lines
1.5 KiB
C++
48 lines
1.5 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2013 Bolero MURAKAMI
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https://github.com/bolero-MURAKAMI/Sprout
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Distributed under the Boost Software License, Version 1.0. (See accompanying
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file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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=============================================================================*/
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#ifndef SPROUT_TUPLE_STD_ARRAY_HPP
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#define SPROUT_TUPLE_STD_ARRAY_HPP
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#include <cstddef>
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#include <type_traits>
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#include <array>
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#include <sprout/config.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/tuple/tuple/tuple_access_traits.hpp>
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#include <sprout/tuple/tuple/get.hpp>
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namespace sprout {
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namespace tuples {
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//
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// tuple_access_traits
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//
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template<typename T, std::size_t N>
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struct tuple_access_traits<std::array<T, N> > {
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public:
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template<std::size_t I>
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static SPROUT_CONSTEXPR T&
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tuple_get(std::array<T, N>& t) SPROUT_NOEXCEPT {
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static_assert(I < N, "tuple_get: index out of range");
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return t[I];
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}
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template<std::size_t I>
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static SPROUT_CONSTEXPR T const&
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tuple_get(std::array<T, N> const& t) SPROUT_NOEXCEPT {
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static_assert(I < N, "tuple_get: index out of range");
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return t[I];
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}
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template<std::size_t I>
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static SPROUT_CONSTEXPR T&&
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tuple_get(std::array<T, N>&& t) SPROUT_NOEXCEPT {
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return sprout::move(tuple_get<I>(t));
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}
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};
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} // namespace tuples
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} // namespace sprout
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#endif // #ifndef SPROUT_TUPLE_STD_ARRAY_HPP
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