mirror of
https://github.com/bolero-MURAKAMI/Sprout.git
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70 lines
2.1 KiB
C++
70 lines
2.1 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2019 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_UUID_TUPLE_HPP
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#define SPROUT_UUID_TUPLE_HPP
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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/workaround/std/cstddef.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/tuple/tuple/get.hpp>
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#include <sprout/uuid/uuid.hpp>
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#include <sprout/type_traits/integral_constant.hpp>
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#include <sprout/type_traits/identity.hpp>
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#include <sprout/detail/nil_base.hpp>
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namespace sprout {
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//
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// tuple_get
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//
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template<std::size_t I>
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inline SPROUT_CONSTEXPR sprout::uuids::uuid::value_type&
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tuple_get(sprout::uuids::uuid& t) SPROUT_NOEXCEPT {
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static_assert(I < 16, "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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inline SPROUT_CONSTEXPR sprout::uuids::uuid::value_type const&
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tuple_get(sprout::uuids::uuid const& t) SPROUT_NOEXCEPT {
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static_assert(I < 16, "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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inline SPROUT_CONSTEXPR sprout::uuids::uuid::value_type&&
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tuple_get(sprout::uuids::uuid&& t) SPROUT_NOEXCEPT {
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return sprout::move(sprout::tuples::get<I>(t));
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}
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} // namespace sprout
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namespace std {
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#if defined(__clang__)
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# pragma clang diagnostic push
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# pragma clang diagnostic ignored "-Wmismatched-tags"
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#endif
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//
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// tuple_size
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//
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template<>
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struct tuple_size<sprout::uuids::uuid>
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: public sprout::integral_constant<std::size_t, 16>
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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>
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struct tuple_element<I, sprout::uuids::uuid>
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: public std::conditional<(I < 16), sprout::identity<sprout::uuids::uuid::value_type>, sprout::detail::nil_base>::type
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{};
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#if defined(__clang__)
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# pragma clang diagnostic pop
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#endif
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} // namespace std
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#endif // #ifndef SPROUT_UUID_TUPLE_HPP
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