mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
44 lines
1.5 KiB
C++
44 lines
1.5 KiB
C++
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/*=============================================================================
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Copyright (c) 2011-2017 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_MAKE_FROM_TUPLE_HPP
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#define SPROUT_TUPLE_MAKE_FROM_TUPLE_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/tuple/tuple/tuple.hpp>
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#include <sprout/tuple/tuple/get.hpp>
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#include <sprout/tuple/indexes.hpp>
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#include <sprout/utility/forward.hpp>
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namespace sprout {
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namespace tuples {
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//
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// make_from_tuple
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//
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namespace detail {
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template<typename T, typename Tuple, sprout::index_t... Indexes>
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inline SPROUT_CONSTEXPR T
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make_from_tuple_impl(Tuple&& t, sprout::index_tuple<Indexes...>) {
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return T(sprout::get<Indexes>(SPROUT_FORWARD(Tuple, t))...);
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}
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} // namespace detail
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template<typename T, typename Tuple>
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inline SPROUT_CONSTEXPR T
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make_from_tuple(Tuple&& t) {
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return sprout::tuples::detail::make_from_tuple_impl<T>(
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SPROUT_FORWARD(Tuple, t),
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sprout::tuple_indexes<typename std::remove_reference<Tuple>::type>::make()
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);
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}
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} // namespace tuples
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using sprout::tuples::make_from_tuple;
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} // namespace sprout
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#endif // #ifndef SPROUT_TUPLE_MAKE_FROM_TUPLE_HPP
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