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https://github.com/bolero-MURAKAMI/Sprout
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add tuple construction (from pair)
This commit is contained in:
bolero-MURAKAMI
parent
2e8b85e90c
commit
f905d1f02a
9 changed files with 685 additions and 447 deletions
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@ -1,121 +1,113 @@
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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.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/utility/move.hpp>
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#include <sprout/utility/swap.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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// Copyright (C) 2011 RiSK (sscrisk)
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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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struct pair {
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public:
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typedef T1 first_type;
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typedef T2 second_type;
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public:
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T1 first;
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T2 second;
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private:
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template <typename... Args1, typename... Args2, sprout::index_t... Indexes1, sprout::index_t... Indexes2>
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SPROUT_CONSTEXPR pair(
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sprout::tuples::tuple<Args1...> first_args,
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sprout::tuples::tuple<Args2...> second_args,
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sprout::index_tuple<Indexes1...>,
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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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public:
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pair(pair const&) = default;
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pair(pair&&) = default;
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SPROUT_CONSTEXPR pair()
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: first()
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, second()
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{}
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SPROUT_CONSTEXPR pair(T1 const& x, T2 const& y)
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: first(x)
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, second(y)
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{}
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template<typename U, typename V>
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SPROUT_CONSTEXPR pair(U&& x, V&& y)
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: first(sprout::forward<U>(x))
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, second(sprout::forward<V>(y))
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{}
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template<typename U, typename V>
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SPROUT_CONSTEXPR pair(sprout::pair<U, V> const& p)
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: first(p.first)
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, second(p.second)
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{}
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template<typename U, typename V>
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SPROUT_CONSTEXPR pair(sprout::pair<U, V>&& p)
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: first(sprout::forward<U>(p.first))
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, second(sprout::forward<V>(p.second))
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{}
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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,
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sprout::tuples::tuple<Args2...> second_args,
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sprout::index_tuple<Indexes1...>,
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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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template <typename T1, typename T2>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(pair const&) = default;
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template <typename T1, typename T2>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(pair&&) = default;
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template <typename T1, typename T2>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair()
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: first()
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, second()
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{}
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template <typename T1, typename T2>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(T1 const& x, T2 const& y)
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: first(x)
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, second(y)
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{}
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template <typename T1, typename T2>
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template<typename U, typename V>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(U&& x, V&& y)
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: first(sprout::forward<U>(x))
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, second(sprout::forward<V>(y))
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{}
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template <typename T1, typename T2>
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template<typename U, typename V>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::pair<U, V> const& other)
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: first(other.first)
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, second(other.second)
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{}
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template <typename T1, typename T2>
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template<typename U, typename V>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(sprout::pair<U, V>&& other)
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: first(sprout::move(other.first))
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, second(sprout::move(other.second))
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{}
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#if SPROUT_USE_DELEGATING_CONSTRUCTORS
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template <typename... Args1, typename... Args2>
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SPROUT_CONSTEXPR pair(
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sprout::tuples::tuple<Args1...> first_args,
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sprout::tuples::tuple<Args2...> second_args
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template <typename T1, typename T2>
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template <typename... Args1, typename... Args2>
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inline SPROUT_CONSTEXPR sprout::pair<T1, T2>::pair(
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sprout::tuples::tuple<Args1...> first_args,
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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_range<0, sizeof...(Args1)>::make(),
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sprout::index_range<0, sizeof...(Args2)>::make()
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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_range<0, sizeof...(Args1)>::make(),
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sprout::index_range<0, sizeof...(Args2)>::make()
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)
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{}
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#else // #if SPROUT_USE_DELEGATING_CONSTRUCTORS
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template <typename... Args1, typename... Args2>
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SPROUT_CONSTEXPR pair(
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sprout::tuples::tuple<Args1...> first_args,
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sprout::tuples::tuple<Args2...> second_args
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);
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{}
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#endif // #if SPROUT_USE_DELEGATING_CONSTRUCTORS
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pair& operator=(pair const& p) = default;
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template<typename U, typename V>
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pair& operator=(sprout::pair<U, V> const& p) {
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first = p.first;
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second = p.second;
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return *this;
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}
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pair& operator=(pair&& p)
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SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<T1>::value && std::is_nothrow_move_assignable<T2>::value)
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{
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first = sprout::forward<T1>(p.first);
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second = std::forward<T2>(p.second);
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return *this;
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}
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template<typename U, typename V>
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pair& operator=(sprout::pair<U, V>&& p) {
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first = std::forward<U>(p.first);
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second = std::forward<V>(p.second);
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return *this;
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}
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void swap(pair& p)
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SPROUT_NOEXCEPT_EXPR(
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SPROUT_NOEXCEPT_EXPR(swap(first, p.first))
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&& SPROUT_NOEXCEPT_EXPR(swap(second, p.second))
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)
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{
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sprout::swap(first, p.first);
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sprout::swap(second, p.second);
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}
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};
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template <typename T1, typename T2>
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inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(pair const& other) = default;
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template <typename T1, typename T2>
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template<typename U, typename V>
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inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::pair<U, V> const& other) {
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first = other.first;
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second = other.second;
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return *this;
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}
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template <typename T1, typename T2>
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inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(pair&& other)
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SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<T1>::value && std::is_nothrow_move_assignable<T2>::value)
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{
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first = sprout::move(other.first);
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second = sprout::move(other.second);
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return *this;
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}
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template <typename T1, typename T2>
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template<typename U, typename V>
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inline sprout::pair<T1, T2>& sprout::pair<T1, T2>::operator=(sprout::pair<U, V>&& other) {
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first = sprout::move(other.first);
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second = sprout::move(other.second);
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return *this;
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}
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template <typename T1, typename T2>
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inline void sprout::pair<T1, T2>::swap(pair& other)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::swap(first, other.first)) && SPROUT_NOEXCEPT_EXPR(sprout::swap(second, other.second))) {
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sprout::swap(first, other.first);
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sprout::swap(second, other.second);
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}
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//
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// swap
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//
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template<class T1, class T2>
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template<typename T1, typename T2>
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inline void
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swap(sprout::pair<T1, T2>& lhs, sprout::pair<T1, T2>& rhs)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs)))
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68
sprout/utility/pair/pair_decl.hpp
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68
sprout/utility/pair/pair_decl.hpp
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@ -0,0 +1,68 @@
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#ifndef SPROUT_UTILITY_PAIR_PAIR_DECL_HPP
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#define SPROUT_UTILITY_PAIR_PAIR_DECL_HPP
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#include <type_traits>
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#include <sprout/config.hpp>
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#include <sprout/index_tuple.hpp>
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#include <sprout/utility/forward.hpp>
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#include <sprout/utility/swap.hpp>
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#include <sprout/utility/pair/pair_fwd.hpp>
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#include <sprout/tuple/tuple/tuple_fwd.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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struct pair {
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public:
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typedef T1 first_type;
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typedef T2 second_type;
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public:
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T1 first;
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T2 second;
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private:
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template <typename... Args1, typename... Args2, sprout::index_t... Indexes1, sprout::index_t... Indexes2>
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SPROUT_CONSTEXPR pair(
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sprout::tuples::tuple<Args1...> first_args,
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sprout::tuples::tuple<Args2...> second_args,
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sprout::index_tuple<Indexes1...>,
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sprout::index_tuple<Indexes2...>
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);
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public:
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SPROUT_CONSTEXPR pair(pair const&);
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SPROUT_CONSTEXPR pair(pair&&);
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SPROUT_CONSTEXPR pair();
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SPROUT_CONSTEXPR pair(T1 const& x, T2 const& y);
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template<typename U, typename V>
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SPROUT_CONSTEXPR pair(U&& x, V&& y);
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template<typename U, typename V>
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SPROUT_CONSTEXPR pair(sprout::pair<U, V> const& other);
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template<typename U, typename V>
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SPROUT_CONSTEXPR pair(sprout::pair<U, V>&& other);
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template <typename... Args1, typename... Args2>
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SPROUT_CONSTEXPR pair(
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sprout::tuples::tuple<Args1...> first_args,
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sprout::tuples::tuple<Args2...> second_args
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);
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pair& operator=(pair const& other);
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template<typename U, typename V>
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pair& operator=(sprout::pair<U, V> const& other);
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pair& operator=(pair&& other)
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SPROUT_NOEXCEPT_EXPR(std::is_nothrow_move_assignable<T1>::value && std::is_nothrow_move_assignable<T2>::value);
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template<typename U, typename V>
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pair& operator=(sprout::pair<U, V>&& other);
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void swap(pair& other)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(sprout::swap(first, other.first)) && SPROUT_NOEXCEPT_EXPR(sprout::swap(second, other.second)));
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};
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//
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// swap
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//
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template<typename T1, typename T2>
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inline void
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swap(sprout::pair<T1, T2>& lhs, sprout::pair<T1, T2>& rhs)
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SPROUT_NOEXCEPT_EXPR(SPROUT_NOEXCEPT_EXPR(lhs.swap(rhs)));
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} // namespace sprout
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#endif // #ifndef SPROUT_UTILITY_PAIR_PAIR_DECL_HPP
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14
sprout/utility/pair/pair_fwd.hpp
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14
sprout/utility/pair/pair_fwd.hpp
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@ -0,0 +1,14 @@
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#ifndef SPROUT_UTILITY_PAIR_PAIR_FWD_HPP
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#define SPROUT_UTILITY_PAIR_PAIR_FWD_HPP
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#include <sprout/config.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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struct pair;
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} // namespace sprout
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#endif // #ifndef SPROUT_UTILITY_PAIR_PAIR_FWD_HPP
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