mirror of
https://github.com/bolero-MURAKAMI/Sprout
synced 2024-11-12 21:09:01 +00:00
92 lines
3.1 KiB
C++
92 lines
3.1 KiB
C++
/*=============================================================================
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Copyright (c) 2011-2014 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_UTILITY_PAIR_PAIR_HPP
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#define SPROUT_UTILITY_PAIR_PAIR_HPP
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#include <utility>
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple/metafunction.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/utility/pair/pair_decl.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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namespace sprout {
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//
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// pair
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//
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template<typename T1, typename T2>
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template<typename... Args1, typename... Args2, sprout::index_t... Indexes1, sprout::index_t... Indexes2>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(
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sprout::tuples::tuple<Args1...> first_args, sprout::tuples::tuple<Args2...> second_args,
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sprout::index_tuple<Indexes1...>, sprout::index_tuple<Indexes2...>
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)
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: first(sprout::tuples::get<Indexes1>(first_args)...)
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, second(sprout::tuples::get<Indexes2>(second_args)...)
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{}
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#if SPROUT_USE_DELEGATING_CONSTRUCTORS
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template<typename T1, typename T2>
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template<
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typename... Args1, typename... Args2,
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typename
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>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(
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std::piecewise_construct_t,
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sprout::tuples::tuple<Args1...> first_args, sprout::tuples::tuple<Args2...> second_args
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)
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: pair(
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first_args,
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second_args,
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sprout::index_pack<Args1...>::make(),
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sprout::index_pack<Args2...>::make()
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)
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{}
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#endif // #if SPROUT_USE_DELEGATING_CONSTRUCTORS
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template<typename T1, typename T2>
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template<
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typename U, typename V,
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typename
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>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::tuples::tuple<U, V> const& other)
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: first(sprout::tuples::get<0>(other))
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, second(sprout::tuples::get<1>(other))
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{}
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template<typename T1, typename T2>
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template<
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typename U, typename V,
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typename
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>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::tuples::tuple<U, V>&& other)
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: first(sprout::forward<U>(sprout::tuples::get<0>(other)))
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, second(sprout::forward<V>(sprout::tuples::get<1>(other)))
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{}
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template<typename T1, typename T2>
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template<
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typename U, typename V,
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typename
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>
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inline SPROUT_CXX14_CONSTEXPR sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::tuples::tuple<U, V> const& rhs) {
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first = sprout::tuples::get<0>(rhs);
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second = sprout::tuples::get<0>(rhs);
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return *this;
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}
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template<typename T1, typename T2>
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template<
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typename U, typename V,
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typename
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>
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inline SPROUT_CXX14_CONSTEXPR sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::tuples::tuple<U, V>&& rhs) {
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first = sprout::forward<U>(sprout::tuples::get<0>(rhs));
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second = sprout::forward<V>(sprout::tuples::get<1>(rhs));
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return *this;
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}
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} // namespace sprout
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#endif // #ifndef SPROUT_UTILITY_PAIR_PAIR_HPP
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