Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===--------------------------- tuple ------------------------------------===// |
| 3 | // |
Chandler Carruth | 7642bb1 | 2019-01-19 08:50:56 +0000 | [diff] [blame] | 4 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 5 | // See https://llvm.org/LICENSE.txt for license information. |
| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | #ifndef _LIBCPP_TUPLE |
| 11 | #define _LIBCPP_TUPLE |
| 12 | |
| 13 | /* |
| 14 | tuple synopsis |
| 15 | |
| 16 | namespace std |
| 17 | { |
| 18 | |
| 19 | template <class... T> |
| 20 | class tuple { |
| 21 | public: |
Louis Dionne | a7a2beb | 2019-09-26 14:51:10 +0000 | [diff] [blame] | 22 | explicit(see-below) constexpr tuple(); |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 23 | explicit(see-below) tuple(const T&...); // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 24 | template <class... U> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 25 | explicit(see-below) tuple(U&&...); // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 26 | tuple(const tuple&) = default; |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 27 | tuple(tuple&&) = default; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 28 | template <class... U> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 29 | explicit(see-below) tuple(const tuple<U...>&); // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 30 | template <class... U> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 31 | explicit(see-below) tuple(tuple<U...>&&); // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 32 | template <class U1, class U2> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 33 | explicit(see-below) tuple(const pair<U1, U2>&); // iff sizeof...(T) == 2 // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 34 | template <class U1, class U2> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 35 | explicit(see-below) tuple(pair<U1, U2>&&); // iff sizeof...(T) == 2 // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 36 | |
| 37 | // allocator-extended constructors |
| 38 | template <class Alloc> |
| 39 | tuple(allocator_arg_t, const Alloc& a); |
| 40 | template <class Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 41 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, const T&...); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 42 | template <class Alloc, class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 43 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, U&&...); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 44 | template <class Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 45 | tuple(allocator_arg_t, const Alloc& a, const tuple&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 46 | template <class Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 47 | tuple(allocator_arg_t, const Alloc& a, tuple&&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 48 | template <class Alloc, class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 49 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, const tuple<U...>&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 50 | template <class Alloc, class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 51 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, tuple<U...>&&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 52 | template <class Alloc, class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 53 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, const pair<U1, U2>&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 54 | template <class Alloc, class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 55 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 56 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 57 | tuple& operator=(const tuple&); // constexpr in C++20 |
| 58 | tuple& operator=(tuple&&) noexcept(is_nothrow_move_assignable_v<T> && ...); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 59 | template <class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 60 | tuple& operator=(const tuple<U...>&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 61 | template <class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 62 | tuple& operator=(tuple<U...>&&); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 63 | template <class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 64 | tuple& operator=(const pair<U1, U2>&); // iff sizeof...(T) == 2 // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 65 | template <class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 66 | tuple& operator=(pair<U1, U2>&&); // iff sizeof...(T) == 2 // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 67 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 68 | template<class U, size_t N> |
| 69 | tuple& operator=(array<U, N> const&) // iff sizeof...(T) == N, EXTENSION |
| 70 | template<class U, size_t N> |
| 71 | tuple& operator=(array<U, N>&&) // iff sizeof...(T) == N, EXTENSION |
| 72 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 73 | void swap(tuple&) noexcept(AND(swap(declval<T&>(), declval<T&>())...)); // constexpr in C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 74 | }; |
| 75 | |
Louis Dionne | 616da2a | 2019-08-12 18:30:31 +0000 | [diff] [blame] | 76 | template <class ...T> |
| 77 | tuple(T...) -> tuple<T...>; // since C++17 |
| 78 | template <class T1, class T2> |
| 79 | tuple(pair<T1, T2>) -> tuple<T1, T2>; // since C++17 |
| 80 | template <class Alloc, class ...T> |
| 81 | tuple(allocator_arg_t, Alloc, T...) -> tuple<T...>; // since C++17 |
| 82 | template <class Alloc, class T1, class T2> |
| 83 | tuple(allocator_arg_t, Alloc, pair<T1, T2>) -> tuple<T1, T2>; // since C++17 |
| 84 | template <class Alloc, class ...T> |
| 85 | tuple(allocator_arg_t, Alloc, tuple<T...>) -> tuple<T...>; // since C++17 |
| 86 | |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 87 | inline constexpr unspecified ignore; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 88 | |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 89 | template <class... T> tuple<V...> make_tuple(T&&...); // constexpr in C++14 |
Marshall Clow | ded420b | 2013-10-05 18:46:37 +0000 | [diff] [blame] | 90 | template <class... T> tuple<ATypes...> forward_as_tuple(T&&...) noexcept; // constexpr in C++14 |
Marshall Clow | a889281 | 2014-02-25 16:11:46 +0000 | [diff] [blame] | 91 | template <class... T> tuple<T&...> tie(T&...) noexcept; // constexpr in C++14 |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 92 | template <class... Tuples> tuple<CTypes...> tuple_cat(Tuples&&... tpls); // constexpr in C++14 |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 93 | |
| 94 | // [tuple.apply], calling a function with a tuple of arguments: |
| 95 | template <class F, class Tuple> |
| 96 | constexpr decltype(auto) apply(F&& f, Tuple&& t); // C++17 |
| 97 | template <class T, class Tuple> |
| 98 | constexpr T make_from_tuple(Tuple&& t); // C++17 |
| 99 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 100 | // 20.4.1.4, tuple helper classes: |
Marshall Clow | ce62b4d | 2019-01-11 21:57:12 +0000 | [diff] [blame] | 101 | template <class T> struct tuple_size; // undefined |
| 102 | template <class... T> struct tuple_size<tuple<T...>>; |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 103 | template <class T> |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 104 | inline constexpr size_t tuple_size_v = tuple_size<T>::value; // C++17 |
Louis Dionne | e684aa6 | 2019-04-01 16:39:34 +0000 | [diff] [blame] | 105 | template <size_t I, class T> struct tuple_element; // undefined |
| 106 | template <size_t I, class... T> struct tuple_element<I, tuple<T...>>; |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 107 | template <size_t I, class T> |
| 108 | using tuple_element_t = typename tuple_element <I, T>::type; // C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 109 | |
| 110 | // 20.4.1.5, element access: |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 111 | template <size_t I, class... T> |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 112 | typename tuple_element<I, tuple<T...>>::type& |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 113 | get(tuple<T...>&) noexcept; // constexpr in C++14 |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 114 | template <size_t I, class... T> |
| 115 | const typename tuple_element<I, tuple<T...>>::type& |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 116 | get(const tuple<T...>&) noexcept; // constexpr in C++14 |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 117 | template <size_t I, class... T> |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 118 | typename tuple_element<I, tuple<T...>>::type&& |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 119 | get(tuple<T...>&&) noexcept; // constexpr in C++14 |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 120 | template <size_t I, class... T> |
| 121 | const typename tuple_element<I, tuple<T...>>::type&& |
| 122 | get(const tuple<T...>&&) noexcept; // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 123 | |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 124 | template <class T1, class... T> |
| 125 | constexpr T1& get(tuple<T...>&) noexcept; // C++14 |
| 126 | template <class T1, class... T> |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 127 | constexpr const T1& get(const tuple<T...>&) noexcept; // C++14 |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 128 | template <class T1, class... T> |
| 129 | constexpr T1&& get(tuple<T...>&&) noexcept; // C++14 |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 130 | template <class T1, class... T> |
| 131 | constexpr const T1&& get(const tuple<T...>&&) noexcept; // C++14 |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 132 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 133 | // 20.4.1.6, relational operators: |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 134 | template<class... T, class... U> bool operator==(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 |
| 135 | template<class... T, class... U> bool operator<(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 |
| 136 | template<class... T, class... U> bool operator!=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 |
| 137 | template<class... T, class... U> bool operator>(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 |
| 138 | template<class... T, class... U> bool operator<=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 |
| 139 | template<class... T, class... U> bool operator>=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 140 | |
| 141 | template <class... Types, class Alloc> |
| 142 | struct uses_allocator<tuple<Types...>, Alloc>; |
| 143 | |
| 144 | template <class... Types> |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 145 | void |
| 146 | swap(tuple<Types...>& x, tuple<Types...>& y) noexcept(noexcept(x.swap(y))); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 147 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 148 | } // std |
| 149 | |
| 150 | */ |
| 151 | |
| 152 | #include <__config> |
Arthur O'Dwyer | ef18160 | 2021-05-19 11:57:04 -0400 | [diff] [blame] | 153 | #include <__functional_base> |
Christopher Di Bella | 41f26e8 | 2021-06-05 02:47:47 +0000 | [diff] [blame^] | 154 | #include <__utility/forward.h> |
| 155 | #include <__utility/move.h> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 156 | #include <__tuple> |
Arthur O'Dwyer | 7deec12 | 2021-03-24 18:19:12 -0400 | [diff] [blame] | 157 | #include <compare> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 158 | #include <cstddef> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 159 | #include <type_traits> |
Howard Hinnant | 83b1c05 | 2011-12-19 17:58:44 +0000 | [diff] [blame] | 160 | #include <utility> |
Marshall Clow | 0a1e750 | 2018-09-12 19:41:40 +0000 | [diff] [blame] | 161 | #include <version> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 162 | |
Howard Hinnant | aaaa52b | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 163 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 164 | #pragma GCC system_header |
Howard Hinnant | aaaa52b | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 165 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 166 | |
| 167 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 168 | |
Eric Fiselier | ffe4aba | 2017-04-19 01:23:39 +0000 | [diff] [blame] | 169 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 170 | |
Marshall Clow | f50d66f | 2014-03-03 06:18:11 +0000 | [diff] [blame] | 171 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 172 | // __tuple_leaf |
| 173 | |
Eric Fiselier | f739430 | 2015-06-13 07:08:02 +0000 | [diff] [blame] | 174 | template <size_t _Ip, class _Hp, |
| 175 | bool=is_empty<_Hp>::value && !__libcpp_is_final<_Hp>::value |
Howard Hinnant | d0aabf8 | 2011-12-11 20:31:33 +0000 | [diff] [blame] | 176 | > |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 177 | class __tuple_leaf; |
| 178 | |
| 179 | template <size_t _Ip, class _Hp, bool _Ep> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 180 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 181 | void swap(__tuple_leaf<_Ip, _Hp, _Ep>& __x, __tuple_leaf<_Ip, _Hp, _Ep>& __y) |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 182 | _NOEXCEPT_(__is_nothrow_swappable<_Hp>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 183 | { |
| 184 | swap(__x.get(), __y.get()); |
| 185 | } |
| 186 | |
| 187 | template <size_t _Ip, class _Hp, bool> |
| 188 | class __tuple_leaf |
| 189 | { |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 190 | _Hp __value_; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 191 | |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 192 | template <class _Tp> |
| 193 | static constexpr bool __can_bind_reference() { |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 194 | #if __has_keyword(__reference_binds_to_temporary) |
| 195 | return !__reference_binds_to_temporary(_Hp, _Tp); |
Eric Fiselier | 81c32cb | 2018-01-24 23:10:02 +0000 | [diff] [blame] | 196 | #else |
| 197 | return true; |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 198 | #endif |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 199 | } |
| 200 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 201 | _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 202 | __tuple_leaf& operator=(const __tuple_leaf&); |
| 203 | public: |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 204 | _LIBCPP_INLINE_VISIBILITY constexpr __tuple_leaf() |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 205 | _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) : __value_() |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 206 | {static_assert(!is_reference<_Hp>::value, |
| 207 | "Attempted to default construct a reference element in a tuple");} |
| 208 | |
| 209 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 210 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 211 | __tuple_leaf(integral_constant<int, 0>, const _Alloc&) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 212 | : __value_() |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 213 | {static_assert(!is_reference<_Hp>::value, |
| 214 | "Attempted to default construct a reference element in a tuple");} |
| 215 | |
| 216 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 217 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 218 | __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 219 | : __value_(allocator_arg_t(), __a) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 220 | {static_assert(!is_reference<_Hp>::value, |
| 221 | "Attempted to default construct a reference element in a tuple");} |
| 222 | |
| 223 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 224 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 225 | __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 226 | : __value_(__a) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 227 | {static_assert(!is_reference<_Hp>::value, |
| 228 | "Attempted to default construct a reference element in a tuple");} |
| 229 | |
Howard Hinnant | 693fc21 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 230 | template <class _Tp, |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 231 | class = _EnableIf< |
| 232 | _And< |
| 233 | _IsNotSame<__uncvref_t<_Tp>, __tuple_leaf>, |
| 234 | is_constructible<_Hp, _Tp> |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 235 | >::value |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 236 | > |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 237 | > |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 238 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 239 | explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 240 | : __value_(_VSTD::forward<_Tp>(__t)) |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 241 | {static_assert(__can_bind_reference<_Tp&&>(), |
| 242 | "Attempted construction of reference element binds to a temporary whose lifetime has ended");} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 243 | |
| 244 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 245 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 246 | explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 247 | : __value_(_VSTD::forward<_Tp>(__t)) |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 248 | {static_assert(__can_bind_reference<_Tp&&>(), |
| 249 | "Attempted construction of reference element binds to a temporary whose lifetime has ended");} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 250 | |
| 251 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 252 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 253 | explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 254 | : __value_(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 255 | {static_assert(!is_reference<_Hp>::value, |
| 256 | "Attempted to uses-allocator construct a reference element in a tuple");} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 257 | |
| 258 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 259 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 260 | explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 261 | : __value_(_VSTD::forward<_Tp>(__t), __a) |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 262 | {static_assert(!is_reference<_Hp>::value, |
| 263 | "Attempted to uses-allocator construct a reference element in a tuple");} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 264 | |
Marshall Clow | 47fcee5 | 2014-04-21 23:48:09 +0000 | [diff] [blame] | 265 | __tuple_leaf(const __tuple_leaf& __t) = default; |
| 266 | __tuple_leaf(__tuple_leaf&& __t) = default; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 267 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 268 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 269 | int swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 270 | { |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 271 | _VSTD::swap(*this, __t); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 272 | return 0; |
| 273 | } |
| 274 | |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 275 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 _Hp& get() _NOEXCEPT {return __value_;} |
| 276 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const _Hp& get() const _NOEXCEPT {return __value_;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 277 | }; |
| 278 | |
| 279 | template <size_t _Ip, class _Hp> |
| 280 | class __tuple_leaf<_Ip, _Hp, true> |
| 281 | : private _Hp |
| 282 | { |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 283 | _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 284 | __tuple_leaf& operator=(const __tuple_leaf&); |
| 285 | public: |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 286 | _LIBCPP_INLINE_VISIBILITY constexpr __tuple_leaf() |
Howard Hinnant | aabb420 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 287 | _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 288 | |
| 289 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 290 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 291 | __tuple_leaf(integral_constant<int, 0>, const _Alloc&) {} |
| 292 | |
| 293 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 294 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 295 | __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) |
| 296 | : _Hp(allocator_arg_t(), __a) {} |
| 297 | |
| 298 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 299 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 300 | __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) |
| 301 | : _Hp(__a) {} |
| 302 | |
Howard Hinnant | 693fc21 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 303 | template <class _Tp, |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 304 | class = _EnableIf< |
| 305 | _And< |
| 306 | _IsNotSame<__uncvref_t<_Tp>, __tuple_leaf>, |
| 307 | is_constructible<_Hp, _Tp> |
| 308 | >::value |
| 309 | > |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 310 | > |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 311 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 312 | explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 313 | : _Hp(_VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 314 | |
| 315 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 316 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 317 | explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 318 | : _Hp(_VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 319 | |
| 320 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 321 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 322 | explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 323 | : _Hp(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 324 | |
| 325 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 326 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 327 | explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 328 | : _Hp(_VSTD::forward<_Tp>(__t), __a) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 329 | |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 330 | __tuple_leaf(__tuple_leaf const &) = default; |
| 331 | __tuple_leaf(__tuple_leaf &&) = default; |
| 332 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 333 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 334 | int |
| 335 | swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 336 | { |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 337 | _VSTD::swap(*this, __t); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 338 | return 0; |
| 339 | } |
| 340 | |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 341 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 _Hp& get() _NOEXCEPT {return static_cast<_Hp&>(*this);} |
| 342 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 const _Hp& get() const _NOEXCEPT {return static_cast<const _Hp&>(*this);} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 343 | }; |
| 344 | |
Howard Hinnant | 1c265cd | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 345 | template <class ..._Tp> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 346 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 347 | void __swallow(_Tp&&...) _NOEXCEPT {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 348 | |
Marshall Clow | c470eae | 2014-10-15 10:33:02 +0000 | [diff] [blame] | 349 | template <class _Tp> |
| 350 | struct __all_default_constructible; |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 351 | |
Marshall Clow | c470eae | 2014-10-15 10:33:02 +0000 | [diff] [blame] | 352 | template <class ..._Tp> |
| 353 | struct __all_default_constructible<__tuple_types<_Tp...>> |
| 354 | : __all<is_default_constructible<_Tp>::value...> |
| 355 | { }; |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 356 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 357 | // __tuple_impl |
| 358 | |
| 359 | template<class _Indx, class ..._Tp> struct __tuple_impl; |
| 360 | |
| 361 | template<size_t ..._Indx, class ..._Tp> |
Eric Fiselier | e3cec5f | 2017-01-16 21:15:08 +0000 | [diff] [blame] | 362 | struct _LIBCPP_DECLSPEC_EMPTY_BASES __tuple_impl<__tuple_indices<_Indx...>, _Tp...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 363 | : public __tuple_leaf<_Indx, _Tp>... |
| 364 | { |
Howard Hinnant | 3846963 | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 365 | _LIBCPP_INLINE_VISIBILITY |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 366 | constexpr __tuple_impl() |
Howard Hinnant | aabb420 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 367 | _NOEXCEPT_(__all<is_nothrow_default_constructible<_Tp>::value...>::value) {} |
Howard Hinnant | 3846963 | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 368 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 369 | template <size_t ..._Uf, class ..._Tf, |
| 370 | size_t ..._Ul, class ..._Tl, class ..._Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 371 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 372 | explicit |
| 373 | __tuple_impl(__tuple_indices<_Uf...>, __tuple_types<_Tf...>, |
| 374 | __tuple_indices<_Ul...>, __tuple_types<_Tl...>, |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 375 | _Up&&... __u) |
| 376 | _NOEXCEPT_((__all<is_nothrow_constructible<_Tf, _Up>::value...>::value && |
| 377 | __all<is_nothrow_default_constructible<_Tl>::value...>::value)) : |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 378 | __tuple_leaf<_Uf, _Tf>(_VSTD::forward<_Up>(__u))..., |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 379 | __tuple_leaf<_Ul, _Tl>()... |
| 380 | {} |
| 381 | |
| 382 | template <class _Alloc, size_t ..._Uf, class ..._Tf, |
| 383 | size_t ..._Ul, class ..._Tl, class ..._Up> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 384 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 385 | explicit |
| 386 | __tuple_impl(allocator_arg_t, const _Alloc& __a, |
| 387 | __tuple_indices<_Uf...>, __tuple_types<_Tf...>, |
| 388 | __tuple_indices<_Ul...>, __tuple_types<_Tl...>, |
| 389 | _Up&&... __u) : |
| 390 | __tuple_leaf<_Uf, _Tf>(__uses_alloc_ctor<_Tf, _Alloc, _Up>(), __a, |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 391 | _VSTD::forward<_Up>(__u))..., |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 392 | __tuple_leaf<_Ul, _Tl>(__uses_alloc_ctor<_Tl, _Alloc>(), __a)... |
| 393 | {} |
| 394 | |
| 395 | template <class _Tuple, |
| 396 | class = typename enable_if |
| 397 | < |
Howard Hinnant | 6da16b8 | 2013-04-14 00:01:13 +0000 | [diff] [blame] | 398 | __tuple_constructible<_Tuple, tuple<_Tp...> >::value |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 399 | >::type |
| 400 | > |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 401 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 402 | __tuple_impl(_Tuple&& __t) _NOEXCEPT_((__all<is_nothrow_constructible<_Tp, typename tuple_element<_Indx, |
| 403 | typename __make_tuple_types<_Tuple>::type>::type>::value...>::value)) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 404 | : __tuple_leaf<_Indx, _Tp>(_VSTD::forward<typename tuple_element<_Indx, |
| 405 | typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 406 | {} |
| 407 | |
| 408 | template <class _Alloc, class _Tuple, |
| 409 | class = typename enable_if |
| 410 | < |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 411 | __tuple_constructible<_Tuple, tuple<_Tp...> >::value |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 412 | >::type |
| 413 | > |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 414 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 415 | __tuple_impl(allocator_arg_t, const _Alloc& __a, _Tuple&& __t) |
| 416 | : __tuple_leaf<_Indx, _Tp>(__uses_alloc_ctor<_Tp, _Alloc, typename tuple_element<_Indx, |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 417 | typename __make_tuple_types<_Tuple>::type>::type>(), __a, |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 418 | _VSTD::forward<typename tuple_element<_Indx, |
| 419 | typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 420 | {} |
| 421 | |
Howard Hinnant | 0d032d1 | 2013-11-06 17:45:43 +0000 | [diff] [blame] | 422 | __tuple_impl(const __tuple_impl&) = default; |
| 423 | __tuple_impl(__tuple_impl&&) = default; |
| 424 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 425 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 426 | void swap(__tuple_impl& __t) |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 427 | _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 428 | { |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 429 | _VSTD::__swallow(__tuple_leaf<_Indx, _Tp>::swap(static_cast<__tuple_leaf<_Indx, _Tp>&>(__t))...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 430 | } |
| 431 | }; |
| 432 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 433 | template<class _Dest, class _Source, size_t ..._Np> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 434 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 435 | void __memberwise_copy_assign(_Dest& __dest, _Source const& __source, __tuple_indices<_Np...>) { |
| 436 | _VSTD::__swallow(((_VSTD::get<_Np>(__dest) = _VSTD::get<_Np>(__source)), void(), 0)...); |
| 437 | } |
Eric Fiselier | 264d04a | 2016-04-15 18:05:59 +0000 | [diff] [blame] | 438 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 439 | template<class _Dest, class _Source, class ..._Up, size_t ..._Np> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 440 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 441 | void __memberwise_forward_assign(_Dest& __dest, _Source&& __source, __tuple_types<_Up...>, __tuple_indices<_Np...>) { |
| 442 | _VSTD::__swallow((( |
Louis Dionne | 3b8af4d | 2021-02-24 14:53:21 -0500 | [diff] [blame] | 443 | _VSTD::get<_Np>(__dest) = _VSTD::forward<_Up>(_VSTD::get<_Np>(__source)) |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 444 | ), void(), 0)...); |
| 445 | } |
Eric Fiselier | 264d04a | 2016-04-15 18:05:59 +0000 | [diff] [blame] | 446 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 447 | template <class ..._Tp> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 448 | class _LIBCPP_TEMPLATE_VIS tuple |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 449 | { |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 450 | typedef __tuple_impl<typename __make_tuple_indices<sizeof...(_Tp)>::type, _Tp...> _BaseT; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 451 | |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 452 | _BaseT __base_; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 453 | |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 454 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 455 | typename tuple_element<_Jp, tuple<_Up...> >::type& get(tuple<_Up...>&) _NOEXCEPT; |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 456 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 457 | const typename tuple_element<_Jp, tuple<_Up...> >::type& get(const tuple<_Up...>&) _NOEXCEPT; |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 458 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 459 | typename tuple_element<_Jp, tuple<_Up...> >::type&& get(tuple<_Up...>&&) _NOEXCEPT; |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 460 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 461 | const typename tuple_element<_Jp, tuple<_Up...> >::type&& get(const tuple<_Up...>&&) _NOEXCEPT; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 462 | public: |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 463 | // [tuple.cnstr] |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 464 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 465 | // tuple() constructors (including allocator_arg_t variants) |
| 466 | template <template<class...> class _IsImpDefault = __is_implicitly_default_constructible, _EnableIf< |
| 467 | _And< |
| 468 | _IsImpDefault<_Tp>... // explicit check |
| 469 | >::value |
| 470 | , int> = 0> |
Louis Dionne | 58bca85 | 2021-04-30 15:52:26 -0400 | [diff] [blame] | 471 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Louis Dionne | a7a2beb | 2019-09-26 14:51:10 +0000 | [diff] [blame] | 472 | tuple() |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 473 | _NOEXCEPT_(_And<is_nothrow_default_constructible<_Tp>...>::value) |
| 474 | { } |
Louis Dionne | a7a2beb | 2019-09-26 14:51:10 +0000 | [diff] [blame] | 475 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 476 | template <template<class...> class _IsImpDefault = __is_implicitly_default_constructible, |
| 477 | template<class...> class _IsDefault = is_default_constructible, _EnableIf< |
| 478 | _And< |
| 479 | _IsDefault<_Tp>..., |
| 480 | _Not<_Lazy<_And, _IsImpDefault<_Tp>...> > // explicit check |
| 481 | >::value |
| 482 | , int> = 0> |
| 483 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| 484 | explicit tuple() |
| 485 | _NOEXCEPT_(_And<is_nothrow_default_constructible<_Tp>...>::value) |
| 486 | { } |
Howard Hinnant | 3846963 | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 487 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 488 | template <class _Alloc, template<class...> class _IsImpDefault = __is_implicitly_default_constructible, _EnableIf< |
| 489 | _And< |
| 490 | _IsImpDefault<_Tp>... // explicit check |
| 491 | >::value |
| 492 | , int> = 0> |
| 493 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 494 | tuple(allocator_arg_t, _Alloc const& __a) |
| 495 | : __base_(allocator_arg_t(), __a, |
| 496 | __tuple_indices<>(), __tuple_types<>(), |
| 497 | typename __make_tuple_indices<sizeof...(_Tp), 0>::type(), |
| 498 | __tuple_types<_Tp...>()) {} |
| 499 | |
| 500 | template <class _Alloc, |
| 501 | template<class...> class _IsImpDefault = __is_implicitly_default_constructible, |
| 502 | template<class...> class _IsDefault = is_default_constructible, _EnableIf< |
| 503 | _And< |
| 504 | _IsDefault<_Tp>..., |
| 505 | _Not<_Lazy<_And, _IsImpDefault<_Tp>...> > // explicit check |
| 506 | >::value |
| 507 | , int> = 0> |
| 508 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 509 | explicit tuple(allocator_arg_t, _Alloc const& __a) |
| 510 | : __base_(allocator_arg_t(), __a, |
| 511 | __tuple_indices<>(), __tuple_types<>(), |
| 512 | typename __make_tuple_indices<sizeof...(_Tp), 0>::type(), |
| 513 | __tuple_types<_Tp...>()) {} |
| 514 | |
| 515 | // tuple(const T&...) constructors (including allocator_arg_t variants) |
| 516 | template <template<class...> class _And = _And, _EnableIf< |
| 517 | _And< |
| 518 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 519 | is_copy_constructible<_Tp>..., |
| 520 | is_convertible<const _Tp&, _Tp>... // explicit check |
| 521 | >::value |
| 522 | , int> = 0> |
| 523 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 524 | tuple(const _Tp& ... __t) |
| 525 | _NOEXCEPT_(_And<is_nothrow_copy_constructible<_Tp>...>::value) |
| 526 | : __base_(typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 527 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 528 | typename __make_tuple_indices<0>::type(), |
| 529 | typename __make_tuple_types<tuple, 0>::type(), |
| 530 | __t... |
| 531 | ) {} |
| 532 | |
| 533 | template <template<class...> class _And = _And, _EnableIf< |
| 534 | _And< |
| 535 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 536 | is_copy_constructible<_Tp>..., |
| 537 | _Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> > // explicit check |
| 538 | >::value |
| 539 | , int> = 0> |
| 540 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 541 | explicit tuple(const _Tp& ... __t) |
| 542 | _NOEXCEPT_(_And<is_nothrow_copy_constructible<_Tp>...>::value) |
| 543 | : __base_(typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 544 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 545 | typename __make_tuple_indices<0>::type(), |
| 546 | typename __make_tuple_types<tuple, 0>::type(), |
| 547 | __t... |
| 548 | ) {} |
| 549 | |
| 550 | template <class _Alloc, template<class...> class _And = _And, _EnableIf< |
| 551 | _And< |
| 552 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 553 | is_copy_constructible<_Tp>..., |
| 554 | is_convertible<const _Tp&, _Tp>... // explicit check |
| 555 | >::value |
| 556 | , int> = 0> |
| 557 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 558 | tuple(allocator_arg_t, const _Alloc& __a, const _Tp& ... __t) |
| 559 | : __base_(allocator_arg_t(), __a, |
| 560 | typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 561 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 562 | typename __make_tuple_indices<0>::type(), |
| 563 | typename __make_tuple_types<tuple, 0>::type(), |
| 564 | __t... |
| 565 | ) {} |
| 566 | |
| 567 | template <class _Alloc, template<class...> class _And = _And, _EnableIf< |
| 568 | _And< |
| 569 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 570 | is_copy_constructible<_Tp>..., |
| 571 | _Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> > // explicit check |
| 572 | >::value |
| 573 | , int> = 0> |
| 574 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 575 | explicit tuple(allocator_arg_t, const _Alloc& __a, const _Tp& ... __t) |
| 576 | : __base_(allocator_arg_t(), __a, |
| 577 | typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 578 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 579 | typename __make_tuple_indices<0>::type(), |
| 580 | typename __make_tuple_types<tuple, 0>::type(), |
| 581 | __t... |
| 582 | ) {} |
| 583 | |
| 584 | // tuple(U&& ...) constructors (including allocator_arg_t variants) |
| 585 | template <class ..._Up> struct _IsThisTuple : false_type { }; |
| 586 | template <class _Up> struct _IsThisTuple<_Up> : is_same<__uncvref_t<_Up>, tuple> { }; |
| 587 | |
| 588 | template <class ..._Up> |
| 589 | struct _EnableUTypesCtor : _And< |
| 590 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 591 | _Not<_IsThisTuple<_Up...> >, // extension to allow mis-behaved user constructors |
| 592 | is_constructible<_Tp, _Up>... |
| 593 | > { }; |
| 594 | |
| 595 | template <class ..._Up, _EnableIf< |
| 596 | _And< |
| 597 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 598 | _EnableUTypesCtor<_Up...>, |
| 599 | is_convertible<_Up, _Tp>... // explicit check |
| 600 | >::value |
| 601 | , int> = 0> |
| 602 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 603 | tuple(_Up&&... __u) |
| 604 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 605 | : __base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 606 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 607 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 608 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 609 | _VSTD::forward<_Up>(__u)...) {} |
| 610 | |
| 611 | template <class ..._Up, _EnableIf< |
| 612 | _And< |
| 613 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 614 | _EnableUTypesCtor<_Up...>, |
| 615 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 616 | >::value |
| 617 | , int> = 0> |
| 618 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 619 | explicit tuple(_Up&&... __u) |
| 620 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 621 | : __base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 622 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 623 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 624 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 625 | _VSTD::forward<_Up>(__u)...) {} |
| 626 | |
| 627 | template <class _Alloc, class ..._Up, _EnableIf< |
| 628 | _And< |
| 629 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 630 | _EnableUTypesCtor<_Up...>, |
| 631 | is_convertible<_Up, _Tp>... // explicit check |
| 632 | >::value |
| 633 | , int> = 0> |
| 634 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 635 | tuple(allocator_arg_t, const _Alloc& __a, _Up&&... __u) |
| 636 | : __base_(allocator_arg_t(), __a, |
| 637 | typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 638 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 639 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 640 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 641 | _VSTD::forward<_Up>(__u)...) {} |
| 642 | |
| 643 | template <class _Alloc, class ..._Up, _EnableIf< |
| 644 | _And< |
| 645 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 646 | _EnableUTypesCtor<_Up...>, |
| 647 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 648 | >::value |
| 649 | , int> = 0> |
| 650 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 651 | explicit tuple(allocator_arg_t, const _Alloc& __a, _Up&&... __u) |
| 652 | : __base_(allocator_arg_t(), __a, |
| 653 | typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 654 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 655 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 656 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 657 | _VSTD::forward<_Up>(__u)...) {} |
| 658 | |
| 659 | // Copy and move constructors (including the allocator_arg_t variants) |
| 660 | tuple(const tuple&) = default; |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 661 | tuple(tuple&&) = default; |
| 662 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 663 | template <class _Alloc, template<class...> class _And = _And, _EnableIf< |
| 664 | _And<is_copy_constructible<_Tp>...>::value |
| 665 | , int> = 0> |
| 666 | tuple(allocator_arg_t, const _Alloc& __alloc, const tuple& __t) |
| 667 | : __base_(allocator_arg_t(), __alloc, __t) |
| 668 | { } |
| 669 | |
| 670 | template <class _Alloc, template<class...> class _And = _And, _EnableIf< |
| 671 | _And<is_move_constructible<_Tp>...>::value |
| 672 | , int> = 0> |
| 673 | tuple(allocator_arg_t, const _Alloc& __alloc, tuple&& __t) |
| 674 | : __base_(allocator_arg_t(), __alloc, _VSTD::move(__t)) |
| 675 | { } |
| 676 | |
| 677 | // tuple(const tuple<U...>&) constructors (including allocator_arg_t variants) |
| 678 | template <class ..._Up> |
| 679 | struct _EnableCopyFromOtherTuple : _And< |
Louis Dionne | db7e65d | 2021-05-03 12:21:13 -0400 | [diff] [blame] | 680 | _Not<is_same<tuple<_Tp...>, tuple<_Up...> > >, |
| 681 | _Lazy<_Or, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 682 | _BoolConstant<sizeof...(_Tp) != 1>, |
| 683 | // _Tp and _Up are 1-element packs - the pack expansions look |
| 684 | // weird to avoid tripping up the type traits in degenerate cases |
| 685 | _Lazy<_And, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 686 | _Not<is_convertible<const tuple<_Up>&, _Tp> >..., |
| 687 | _Not<is_constructible<_Tp, const tuple<_Up>&> >... |
| 688 | > |
| 689 | >, |
| 690 | is_constructible<_Tp, const _Up&>... |
| 691 | > { }; |
| 692 | |
| 693 | template <class ..._Up, _EnableIf< |
| 694 | _And< |
| 695 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 696 | _EnableCopyFromOtherTuple<_Up...>, |
| 697 | is_convertible<const _Up&, _Tp>... // explicit check |
| 698 | >::value |
| 699 | , int> = 0> |
| 700 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 701 | tuple(const tuple<_Up...>& __t) |
| 702 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, const _Up&>...>::value)) |
| 703 | : __base_(__t) |
| 704 | { } |
| 705 | |
| 706 | template <class ..._Up, _EnableIf< |
| 707 | _And< |
| 708 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 709 | _EnableCopyFromOtherTuple<_Up...>, |
| 710 | _Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> > // explicit check |
| 711 | >::value |
| 712 | , int> = 0> |
| 713 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 714 | explicit tuple(const tuple<_Up...>& __t) |
| 715 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, const _Up&>...>::value)) |
| 716 | : __base_(__t) |
| 717 | { } |
| 718 | |
| 719 | template <class ..._Up, class _Alloc, _EnableIf< |
| 720 | _And< |
| 721 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 722 | _EnableCopyFromOtherTuple<_Up...>, |
| 723 | is_convertible<const _Up&, _Tp>... // explicit check |
| 724 | >::value |
| 725 | , int> = 0> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 726 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 727 | tuple(allocator_arg_t, const _Alloc& __a, const tuple<_Up...>& __t) |
| 728 | : __base_(allocator_arg_t(), __a, __t) |
| 729 | { } |
Eric Fiselier | c170df5 | 2016-04-15 03:29:40 +0000 | [diff] [blame] | 730 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 731 | template <class ..._Up, class _Alloc, _EnableIf< |
| 732 | _And< |
| 733 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 734 | _EnableCopyFromOtherTuple<_Up...>, |
| 735 | _Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> > // explicit check |
| 736 | >::value |
| 737 | , int> = 0> |
| 738 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 739 | explicit tuple(allocator_arg_t, const _Alloc& __a, const tuple<_Up...>& __t) |
| 740 | : __base_(allocator_arg_t(), __a, __t) |
| 741 | { } |
Louis Dionne | 668a50c | 2019-09-27 15:06:52 +0000 | [diff] [blame] | 742 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 743 | // tuple(tuple<U...>&&) constructors (including allocator_arg_t variants) |
| 744 | template <class ..._Up> |
| 745 | struct _EnableMoveFromOtherTuple : _And< |
Louis Dionne | db7e65d | 2021-05-03 12:21:13 -0400 | [diff] [blame] | 746 | _Not<is_same<tuple<_Tp...>, tuple<_Up...> > >, |
| 747 | _Lazy<_Or, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 748 | _BoolConstant<sizeof...(_Tp) != 1>, |
| 749 | // _Tp and _Up are 1-element packs - the pack expansions look |
| 750 | // weird to avoid tripping up the type traits in degenerate cases |
| 751 | _Lazy<_And, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 752 | _Not<is_convertible<tuple<_Up>, _Tp> >..., |
| 753 | _Not<is_constructible<_Tp, tuple<_Up> > >... |
| 754 | > |
| 755 | >, |
| 756 | is_constructible<_Tp, _Up>... |
| 757 | > { }; |
| 758 | |
| 759 | template <class ..._Up, _EnableIf< |
| 760 | _And< |
| 761 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 762 | _EnableMoveFromOtherTuple<_Up...>, |
| 763 | is_convertible<_Up, _Tp>... // explicit check |
| 764 | >::value |
| 765 | , int> = 0> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 766 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 767 | tuple(tuple<_Up...>&& __t) |
| 768 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 769 | : __base_(_VSTD::move(__t)) |
| 770 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 771 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 772 | template <class ..._Up, _EnableIf< |
| 773 | _And< |
| 774 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 775 | _EnableMoveFromOtherTuple<_Up...>, |
| 776 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 777 | >::value |
| 778 | , int> = 0> |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 779 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 780 | explicit tuple(tuple<_Up...>&& __t) |
| 781 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 782 | : __base_(_VSTD::move(__t)) |
| 783 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 784 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 785 | template <class _Alloc, class ..._Up, _EnableIf< |
| 786 | _And< |
| 787 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 788 | _EnableMoveFromOtherTuple<_Up...>, |
| 789 | is_convertible<_Up, _Tp>... // explicit check |
| 790 | >::value |
| 791 | , int> = 0> |
| 792 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 793 | tuple(allocator_arg_t, const _Alloc& __a, tuple<_Up...>&& __t) |
| 794 | : __base_(allocator_arg_t(), __a, _VSTD::move(__t)) |
| 795 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 796 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 797 | template <class _Alloc, class ..._Up, _EnableIf< |
| 798 | _And< |
| 799 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 800 | _EnableMoveFromOtherTuple<_Up...>, |
| 801 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 802 | >::value |
| 803 | , int> = 0> |
| 804 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 805 | explicit tuple(allocator_arg_t, const _Alloc& __a, tuple<_Up...>&& __t) |
| 806 | : __base_(allocator_arg_t(), __a, _VSTD::move(__t)) |
| 807 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 808 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 809 | // tuple(const pair<U1, U2>&) constructors (including allocator_arg_t variants) |
| 810 | template <class _Up1, class _Up2, class ..._DependentTp> |
| 811 | struct _EnableImplicitCopyFromPair : _And< |
| 812 | is_constructible<_FirstType<_DependentTp...>, const _Up1&>, |
| 813 | is_constructible<_SecondType<_DependentTp...>, const _Up2&>, |
| 814 | is_convertible<const _Up1&, _FirstType<_DependentTp...> >, // explicit check |
| 815 | is_convertible<const _Up2&, _SecondType<_DependentTp...> > |
| 816 | > { }; |
Howard Hinnant | 65704d0 | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 817 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 818 | template <class _Up1, class _Up2, class ..._DependentTp> |
| 819 | struct _EnableExplicitCopyFromPair : _And< |
| 820 | is_constructible<_FirstType<_DependentTp...>, const _Up1&>, |
| 821 | is_constructible<_SecondType<_DependentTp...>, const _Up2&>, |
| 822 | _Not<is_convertible<const _Up1&, _FirstType<_DependentTp...> > >, // explicit check |
| 823 | _Not<is_convertible<const _Up2&, _SecondType<_DependentTp...> > > |
| 824 | > { }; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 825 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 826 | template <class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 827 | _And< |
| 828 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 829 | _EnableImplicitCopyFromPair<_Up1, _Up2, _Tp...> |
| 830 | >::value |
| 831 | , int> = 0> |
| 832 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 833 | tuple(const pair<_Up1, _Up2>& __p) |
| 834 | _NOEXCEPT_((_And< |
| 835 | is_nothrow_constructible<_FirstType<_Tp...>, const _Up1&>, |
| 836 | is_nothrow_constructible<_SecondType<_Tp...>, const _Up2&> |
| 837 | >::value)) |
| 838 | : __base_(__p) |
| 839 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 840 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 841 | template <class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 842 | _And< |
| 843 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 844 | _EnableExplicitCopyFromPair<_Up1, _Up2, _Tp...> |
| 845 | >::value |
| 846 | , int> = 0> |
| 847 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 848 | explicit tuple(const pair<_Up1, _Up2>& __p) |
| 849 | _NOEXCEPT_((_And< |
| 850 | is_nothrow_constructible<_FirstType<_Tp...>, const _Up1&>, |
| 851 | is_nothrow_constructible<_SecondType<_Tp...>, const _Up2&> |
| 852 | >::value)) |
| 853 | : __base_(__p) |
| 854 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 855 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 856 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 857 | _And< |
| 858 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 859 | _EnableImplicitCopyFromPair<_Up1, _Up2, _Tp...> |
| 860 | >::value |
| 861 | , int> = 0> |
| 862 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 863 | tuple(allocator_arg_t, const _Alloc& __a, const pair<_Up1, _Up2>& __p) |
| 864 | : __base_(allocator_arg_t(), __a, __p) |
| 865 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 866 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 867 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 868 | _And< |
| 869 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 870 | _EnableExplicitCopyFromPair<_Up1, _Up2, _Tp...> |
| 871 | >::value |
| 872 | , int> = 0> |
| 873 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 874 | explicit tuple(allocator_arg_t, const _Alloc& __a, const pair<_Up1, _Up2>& __p) |
| 875 | : __base_(allocator_arg_t(), __a, __p) |
| 876 | { } |
Howard Hinnant | 65704d0 | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 877 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 878 | // tuple(pair<U1, U2>&&) constructors (including allocator_arg_t variants) |
| 879 | template <class _Up1, class _Up2, class ..._DependentTp> |
| 880 | struct _EnableImplicitMoveFromPair : _And< |
| 881 | is_constructible<_FirstType<_DependentTp...>, _Up1>, |
| 882 | is_constructible<_SecondType<_DependentTp...>, _Up2>, |
| 883 | is_convertible<_Up1, _FirstType<_DependentTp...> >, // explicit check |
| 884 | is_convertible<_Up2, _SecondType<_DependentTp...> > |
| 885 | > { }; |
Eric Fiselier | ec5a210 | 2019-07-12 23:01:48 +0000 | [diff] [blame] | 886 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 887 | template <class _Up1, class _Up2, class ..._DependentTp> |
| 888 | struct _EnableExplicitMoveFromPair : _And< |
| 889 | is_constructible<_FirstType<_DependentTp...>, _Up1>, |
| 890 | is_constructible<_SecondType<_DependentTp...>, _Up2>, |
| 891 | _Not<is_convertible<_Up1, _FirstType<_DependentTp...> > >, // explicit check |
| 892 | _Not<is_convertible<_Up2, _SecondType<_DependentTp...> > > |
| 893 | > { }; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 894 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 895 | template <class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 896 | _And< |
| 897 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 898 | _EnableImplicitMoveFromPair<_Up1, _Up2, _Tp...> |
| 899 | >::value |
| 900 | , int> = 0> |
Louis Dionne | 58bca85 | 2021-04-30 15:52:26 -0400 | [diff] [blame] | 901 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 902 | tuple(pair<_Up1, _Up2>&& __p) |
| 903 | _NOEXCEPT_((_And< |
| 904 | is_nothrow_constructible<_FirstType<_Tp...>, _Up1>, |
| 905 | is_nothrow_constructible<_SecondType<_Tp...>, _Up2> |
| 906 | >::value)) |
| 907 | : __base_(_VSTD::move(__p)) |
| 908 | { } |
| 909 | |
| 910 | template <class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 911 | _And< |
| 912 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 913 | _EnableExplicitMoveFromPair<_Up1, _Up2, _Tp...> |
| 914 | >::value |
| 915 | , int> = 0> |
Louis Dionne | 58bca85 | 2021-04-30 15:52:26 -0400 | [diff] [blame] | 916 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 917 | explicit tuple(pair<_Up1, _Up2>&& __p) |
| 918 | _NOEXCEPT_((_And< |
| 919 | is_nothrow_constructible<_FirstType<_Tp...>, _Up1>, |
| 920 | is_nothrow_constructible<_SecondType<_Tp...>, _Up2> |
| 921 | >::value)) |
| 922 | : __base_(_VSTD::move(__p)) |
| 923 | { } |
| 924 | |
| 925 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 926 | _And< |
| 927 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 928 | _EnableImplicitMoveFromPair<_Up1, _Up2, _Tp...> |
| 929 | >::value |
| 930 | , int> = 0> |
| 931 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 932 | tuple(allocator_arg_t, const _Alloc& __a, pair<_Up1, _Up2>&& __p) |
| 933 | : __base_(allocator_arg_t(), __a, _VSTD::move(__p)) |
| 934 | { } |
| 935 | |
| 936 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, _EnableIf< |
| 937 | _And< |
| 938 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 939 | _EnableExplicitMoveFromPair<_Up1, _Up2, _Tp...> |
| 940 | >::value |
| 941 | , int> = 0> |
| 942 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
| 943 | explicit tuple(allocator_arg_t, const _Alloc& __a, pair<_Up1, _Up2>&& __p) |
| 944 | : __base_(allocator_arg_t(), __a, _VSTD::move(__p)) |
| 945 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 946 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 947 | // [tuple.assign] |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 948 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 949 | tuple& operator=(_If<_And<is_copy_assignable<_Tp>...>::value, tuple, __nat> const& __tuple) |
| 950 | _NOEXCEPT_((_And<is_nothrow_copy_assignable<_Tp>...>::value)) |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 951 | { |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 952 | _VSTD::__memberwise_copy_assign(*this, __tuple, |
| 953 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 954 | return *this; |
| 955 | } |
| 956 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 957 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 958 | tuple& operator=(_If<_And<is_move_assignable<_Tp>...>::value, tuple, __nat>&& __tuple) |
| 959 | _NOEXCEPT_((_And<is_nothrow_move_assignable<_Tp>...>::value)) |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 960 | { |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 961 | _VSTD::__memberwise_forward_assign(*this, _VSTD::move(__tuple), |
| 962 | __tuple_types<_Tp...>(), |
| 963 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 964 | return *this; |
| 965 | } |
| 966 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 967 | template<class... _Up, _EnableIf< |
| 968 | _And< |
| 969 | _BoolConstant<sizeof...(_Tp) == sizeof...(_Up)>, |
| 970 | is_assignable<_Tp&, _Up const&>... |
| 971 | >::value |
| 972 | ,int> = 0> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 973 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 974 | tuple& operator=(tuple<_Up...> const& __tuple) |
| 975 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up const&>...>::value)) |
| 976 | { |
| 977 | _VSTD::__memberwise_copy_assign(*this, __tuple, |
| 978 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 979 | return *this; |
| 980 | } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 981 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 982 | template<class... _Up, _EnableIf< |
| 983 | _And< |
| 984 | _BoolConstant<sizeof...(_Tp) == sizeof...(_Up)>, |
| 985 | is_assignable<_Tp&, _Up>... |
| 986 | >::value |
| 987 | ,int> = 0> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 988 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 989 | tuple& operator=(tuple<_Up...>&& __tuple) |
| 990 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up>...>::value)) |
| 991 | { |
| 992 | _VSTD::__memberwise_forward_assign(*this, _VSTD::move(__tuple), |
| 993 | __tuple_types<_Up...>(), |
| 994 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 995 | return *this; |
| 996 | } |
| 997 | |
| 998 | template<class _Up1, class _Up2, class _Dep = true_type, _EnableIf< |
| 999 | _And<_Dep, |
| 1000 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 1001 | is_assignable<_FirstType<_Tp..., _Dep>&, _Up1 const&>, |
| 1002 | is_assignable<_SecondType<_Tp..., _Dep>&, _Up2 const&> |
| 1003 | >::value |
| 1004 | ,int> = 0> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1005 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1006 | tuple& operator=(pair<_Up1, _Up2> const& __pair) |
| 1007 | _NOEXCEPT_((_And< |
| 1008 | is_nothrow_assignable<_FirstType<_Tp...>&, _Up1 const&>, |
| 1009 | is_nothrow_assignable<_SecondType<_Tp...>&, _Up2 const&> |
| 1010 | >::value)) |
| 1011 | { |
| 1012 | _VSTD::get<0>(*this) = __pair.first; |
| 1013 | _VSTD::get<1>(*this) = __pair.second; |
| 1014 | return *this; |
| 1015 | } |
| 1016 | |
| 1017 | template<class _Up1, class _Up2, class _Dep = true_type, _EnableIf< |
| 1018 | _And<_Dep, |
| 1019 | _BoolConstant<sizeof...(_Tp) == 2>, |
| 1020 | is_assignable<_FirstType<_Tp..., _Dep>&, _Up1>, |
| 1021 | is_assignable<_SecondType<_Tp..., _Dep>&, _Up2> |
| 1022 | >::value |
| 1023 | ,int> = 0> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1024 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1025 | tuple& operator=(pair<_Up1, _Up2>&& __pair) |
| 1026 | _NOEXCEPT_((_And< |
| 1027 | is_nothrow_assignable<_FirstType<_Tp...>&, _Up1>, |
| 1028 | is_nothrow_assignable<_SecondType<_Tp...>&, _Up2> |
| 1029 | >::value)) |
| 1030 | { |
Louis Dionne | 3b8af4d | 2021-02-24 14:53:21 -0500 | [diff] [blame] | 1031 | _VSTD::get<0>(*this) = _VSTD::forward<_Up1>(__pair.first); |
| 1032 | _VSTD::get<1>(*this) = _VSTD::forward<_Up2>(__pair.second); |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1033 | return *this; |
| 1034 | } |
| 1035 | |
| 1036 | // EXTENSION |
| 1037 | template<class _Up, size_t _Np, class = _EnableIf< |
| 1038 | _And< |
| 1039 | _BoolConstant<_Np == sizeof...(_Tp)>, |
| 1040 | is_assignable<_Tp&, _Up const&>... |
| 1041 | >::value |
| 1042 | > > |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1043 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1044 | tuple& operator=(array<_Up, _Np> const& __array) |
| 1045 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up const&>...>::value)) |
| 1046 | { |
| 1047 | _VSTD::__memberwise_copy_assign(*this, __array, |
| 1048 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1049 | return *this; |
| 1050 | } |
| 1051 | |
| 1052 | // EXTENSION |
| 1053 | template<class _Up, size_t _Np, class = void, class = _EnableIf< |
| 1054 | _And< |
| 1055 | _BoolConstant<_Np == sizeof...(_Tp)>, |
| 1056 | is_assignable<_Tp&, _Up>... |
| 1057 | >::value |
| 1058 | > > |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1059 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1060 | tuple& operator=(array<_Up, _Np>&& __array) |
| 1061 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up>...>::value)) |
| 1062 | { |
| 1063 | _VSTD::__memberwise_forward_assign(*this, _VSTD::move(__array), |
| 1064 | __tuple_types<_If<true, _Up, _Tp>...>(), |
| 1065 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1066 | return *this; |
| 1067 | } |
| 1068 | |
| 1069 | // [tuple.swap] |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1070 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 1071 | void swap(tuple& __t) _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1072 | {__base_.swap(__t.__base_);} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1073 | }; |
| 1074 | |
| 1075 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 1076 | class _LIBCPP_TEMPLATE_VIS tuple<> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1077 | { |
| 1078 | public: |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1079 | _LIBCPP_INLINE_VISIBILITY constexpr |
| 1080 | tuple() _NOEXCEPT = default; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1081 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1082 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1083 | tuple(allocator_arg_t, const _Alloc&) _NOEXCEPT {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1084 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1085 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1086 | tuple(allocator_arg_t, const _Alloc&, const tuple&) _NOEXCEPT {} |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1087 | template <class _Up> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1088 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1089 | tuple(array<_Up, 0>) _NOEXCEPT {} |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1090 | template <class _Alloc, class _Up> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1091 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1092 | tuple(allocator_arg_t, const _Alloc&, array<_Up, 0>) _NOEXCEPT {} |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1093 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 1094 | void swap(tuple&) _NOEXCEPT {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1095 | }; |
| 1096 | |
Eric Fiselier | 8df4ac6 | 2017-10-04 00:04:26 +0000 | [diff] [blame] | 1097 | #ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES |
Louis Dionne | 616da2a | 2019-08-12 18:30:31 +0000 | [diff] [blame] | 1098 | template <class ..._Tp> |
| 1099 | tuple(_Tp...) -> tuple<_Tp...>; |
| 1100 | template <class _Tp1, class _Tp2> |
| 1101 | tuple(pair<_Tp1, _Tp2>) -> tuple<_Tp1, _Tp2>; |
| 1102 | template <class _Alloc, class ..._Tp> |
| 1103 | tuple(allocator_arg_t, _Alloc, _Tp...) -> tuple<_Tp...>; |
| 1104 | template <class _Alloc, class _Tp1, class _Tp2> |
| 1105 | tuple(allocator_arg_t, _Alloc, pair<_Tp1, _Tp2>) -> tuple<_Tp1, _Tp2>; |
| 1106 | template <class _Alloc, class ..._Tp> |
| 1107 | tuple(allocator_arg_t, _Alloc, tuple<_Tp...>) -> tuple<_Tp...>; |
Eric Fiselier | 9a5075c | 2017-06-08 07:18:17 +0000 | [diff] [blame] | 1108 | #endif |
| 1109 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1110 | template <class ..._Tp> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1111 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | 4426724 | 2011-06-01 19:59:32 +0000 | [diff] [blame] | 1112 | typename enable_if |
| 1113 | < |
| 1114 | __all<__is_swappable<_Tp>::value...>::value, |
| 1115 | void |
| 1116 | >::type |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 1117 | swap(tuple<_Tp...>& __t, tuple<_Tp...>& __u) |
| 1118 | _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
| 1119 | {__t.swap(__u);} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1120 | |
| 1121 | // get |
| 1122 | |
| 1123 | template <size_t _Ip, class ..._Tp> |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 1124 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1125 | typename tuple_element<_Ip, tuple<_Tp...> >::type& |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1126 | get(tuple<_Tp...>& __t) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1127 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1128 | typedef _LIBCPP_NODEBUG_TYPE typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1129 | return static_cast<__tuple_leaf<_Ip, type>&>(__t.__base_).get(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1130 | } |
| 1131 | |
| 1132 | template <size_t _Ip, class ..._Tp> |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 1133 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1134 | const typename tuple_element<_Ip, tuple<_Tp...> >::type& |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1135 | get(const tuple<_Tp...>& __t) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1136 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1137 | typedef _LIBCPP_NODEBUG_TYPE typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1138 | return static_cast<const __tuple_leaf<_Ip, type>&>(__t.__base_).get(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1139 | } |
| 1140 | |
Howard Hinnant | 22e9724 | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 1141 | template <size_t _Ip, class ..._Tp> |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 1142 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1143 | typename tuple_element<_Ip, tuple<_Tp...> >::type&& |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1144 | get(tuple<_Tp...>&& __t) _NOEXCEPT |
Howard Hinnant | 22e9724 | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 1145 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1146 | typedef _LIBCPP_NODEBUG_TYPE typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Howard Hinnant | b574f9a | 2011-01-25 16:31:30 +0000 | [diff] [blame] | 1147 | return static_cast<type&&>( |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1148 | static_cast<__tuple_leaf<_Ip, type>&&>(__t.__base_).get()); |
Howard Hinnant | 22e9724 | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 1149 | } |
| 1150 | |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1151 | template <size_t _Ip, class ..._Tp> |
| 1152 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 1153 | const typename tuple_element<_Ip, tuple<_Tp...> >::type&& |
| 1154 | get(const tuple<_Tp...>&& __t) _NOEXCEPT |
| 1155 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1156 | typedef _LIBCPP_NODEBUG_TYPE typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1157 | return static_cast<const type&&>( |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1158 | static_cast<const __tuple_leaf<_Ip, type>&&>(__t.__base_).get()); |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1159 | } |
| 1160 | |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1161 | #if _LIBCPP_STD_VER > 11 |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1162 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1163 | namespace __find_detail { |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1164 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1165 | static constexpr size_t __not_found = -1; |
| 1166 | static constexpr size_t __ambiguous = __not_found - 1; |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1167 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1168 | inline _LIBCPP_INLINE_VISIBILITY |
| 1169 | constexpr size_t __find_idx_return(size_t __curr_i, size_t __res, bool __matches) { |
| 1170 | return !__matches ? __res : |
| 1171 | (__res == __not_found ? __curr_i : __ambiguous); |
| 1172 | } |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1173 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1174 | template <size_t _Nx> |
| 1175 | inline _LIBCPP_INLINE_VISIBILITY |
| 1176 | constexpr size_t __find_idx(size_t __i, const bool (&__matches)[_Nx]) { |
| 1177 | return __i == _Nx ? __not_found : |
| 1178 | __find_idx_return(__i, __find_idx(__i + 1, __matches), __matches[__i]); |
| 1179 | } |
| 1180 | |
| 1181 | template <class _T1, class ..._Args> |
| 1182 | struct __find_exactly_one_checked { |
Casey Carter | 7b5a748 | 2017-12-12 17:22:24 +0000 | [diff] [blame] | 1183 | static constexpr bool __matches[sizeof...(_Args)] = {is_same<_T1, _Args>::value...}; |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1184 | static constexpr size_t value = __find_detail::__find_idx(0, __matches); |
Casey Carter | 7b5a748 | 2017-12-12 17:22:24 +0000 | [diff] [blame] | 1185 | static_assert(value != __not_found, "type not found in type list" ); |
| 1186 | static_assert(value != __ambiguous, "type occurs more than once in type list"); |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1187 | }; |
| 1188 | |
Eric Fiselier | 8087d30 | 2016-07-02 03:46:08 +0000 | [diff] [blame] | 1189 | template <class _T1> |
| 1190 | struct __find_exactly_one_checked<_T1> { |
| 1191 | static_assert(!is_same<_T1, _T1>::value, "type not in empty type list"); |
| 1192 | }; |
| 1193 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1194 | } // namespace __find_detail; |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1195 | |
| 1196 | template <typename _T1, typename... _Args> |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1197 | struct __find_exactly_one_t |
| 1198 | : public __find_detail::__find_exactly_one_checked<_T1, _Args...> { |
| 1199 | }; |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1200 | |
| 1201 | template <class _T1, class... _Args> |
| 1202 | inline _LIBCPP_INLINE_VISIBILITY |
| 1203 | constexpr _T1& get(tuple<_Args...>& __tup) noexcept |
| 1204 | { |
| 1205 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); |
| 1206 | } |
| 1207 | |
| 1208 | template <class _T1, class... _Args> |
| 1209 | inline _LIBCPP_INLINE_VISIBILITY |
| 1210 | constexpr _T1 const& get(tuple<_Args...> const& __tup) noexcept |
| 1211 | { |
| 1212 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); |
| 1213 | } |
| 1214 | |
| 1215 | template <class _T1, class... _Args> |
| 1216 | inline _LIBCPP_INLINE_VISIBILITY |
| 1217 | constexpr _T1&& get(tuple<_Args...>&& __tup) noexcept |
| 1218 | { |
Marshall Clow | fe9aa37 | 2013-07-15 20:46:11 +0000 | [diff] [blame] | 1219 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(_VSTD::move(__tup)); |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1220 | } |
| 1221 | |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1222 | template <class _T1, class... _Args> |
| 1223 | inline _LIBCPP_INLINE_VISIBILITY |
| 1224 | constexpr _T1 const&& get(tuple<_Args...> const&& __tup) noexcept |
| 1225 | { |
| 1226 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(_VSTD::move(__tup)); |
| 1227 | } |
| 1228 | |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1229 | #endif |
| 1230 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1231 | // tie |
| 1232 | |
| 1233 | template <class ..._Tp> |
Marshall Clow | a889281 | 2014-02-25 16:11:46 +0000 | [diff] [blame] | 1234 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1235 | tuple<_Tp&...> |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1236 | tie(_Tp&... __t) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1237 | { |
| 1238 | return tuple<_Tp&...>(__t...); |
| 1239 | } |
| 1240 | |
| 1241 | template <class _Up> |
| 1242 | struct __ignore_t |
| 1243 | { |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1244 | template <class _Tp> |
Eric Fiselier | 24e7026 | 2017-02-06 01:25:31 +0000 | [diff] [blame] | 1245 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 1246 | const __ignore_t& operator=(_Tp&&) const {return *this;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1247 | }; |
| 1248 | |
Eric Fiselier | 24e7026 | 2017-02-06 01:25:31 +0000 | [diff] [blame] | 1249 | namespace { |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 1250 | _LIBCPP_INLINE_VAR constexpr __ignore_t<unsigned char> ignore = __ignore_t<unsigned char>(); |
Eric Fiselier | 24e7026 | 2017-02-06 01:25:31 +0000 | [diff] [blame] | 1251 | } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1252 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1253 | template <class... _Tp> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1254 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Louis Dionne | db1892a | 2018-12-03 14:03:27 +0000 | [diff] [blame] | 1255 | tuple<typename __unwrap_ref_decay<_Tp>::type...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1256 | make_tuple(_Tp&&... __t) |
| 1257 | { |
Louis Dionne | db1892a | 2018-12-03 14:03:27 +0000 | [diff] [blame] | 1258 | return tuple<typename __unwrap_ref_decay<_Tp>::type...>(_VSTD::forward<_Tp>(__t)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1259 | } |
| 1260 | |
Howard Hinnant | 3d203a3 | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 1261 | template <class... _Tp> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1262 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 1263 | tuple<_Tp&&...> |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1264 | forward_as_tuple(_Tp&&... __t) _NOEXCEPT |
Howard Hinnant | 3d203a3 | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 1265 | { |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1266 | return tuple<_Tp&&...>(_VSTD::forward<_Tp>(__t)...); |
Howard Hinnant | 3d203a3 | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 1267 | } |
| 1268 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1269 | template <size_t _Ip> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1270 | struct __tuple_equal |
| 1271 | { |
| 1272 | template <class _Tp, class _Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1273 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1274 | bool operator()(const _Tp& __x, const _Up& __y) |
| 1275 | { |
Marshall Clow | 60e4aa7 | 2014-06-24 00:46:19 +0000 | [diff] [blame] | 1276 | return __tuple_equal<_Ip - 1>()(__x, __y) && _VSTD::get<_Ip-1>(__x) == _VSTD::get<_Ip-1>(__y); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1277 | } |
| 1278 | }; |
| 1279 | |
| 1280 | template <> |
| 1281 | struct __tuple_equal<0> |
| 1282 | { |
| 1283 | template <class _Tp, class _Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1284 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1285 | bool operator()(const _Tp&, const _Up&) |
| 1286 | { |
| 1287 | return true; |
| 1288 | } |
| 1289 | }; |
| 1290 | |
| 1291 | template <class ..._Tp, class ..._Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1292 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1293 | bool |
| 1294 | operator==(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1295 | { |
Marshall Clow | 8ee1ddd | 2019-02-07 19:03:48 +0000 | [diff] [blame] | 1296 | static_assert (sizeof...(_Tp) == sizeof...(_Up), "Can't compare tuples of different sizes"); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1297 | return __tuple_equal<sizeof...(_Tp)>()(__x, __y); |
| 1298 | } |
| 1299 | |
| 1300 | template <class ..._Tp, class ..._Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1301 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1302 | bool |
| 1303 | operator!=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1304 | { |
| 1305 | return !(__x == __y); |
| 1306 | } |
| 1307 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1308 | template <size_t _Ip> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1309 | struct __tuple_less |
| 1310 | { |
| 1311 | template <class _Tp, class _Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1312 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1313 | bool operator()(const _Tp& __x, const _Up& __y) |
| 1314 | { |
Duncan P. N. Exon Smith | 6d3ec09 | 2015-01-21 02:51:17 +0000 | [diff] [blame] | 1315 | const size_t __idx = tuple_size<_Tp>::value - _Ip; |
| 1316 | if (_VSTD::get<__idx>(__x) < _VSTD::get<__idx>(__y)) |
| 1317 | return true; |
| 1318 | if (_VSTD::get<__idx>(__y) < _VSTD::get<__idx>(__x)) |
| 1319 | return false; |
| 1320 | return __tuple_less<_Ip-1>()(__x, __y); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1321 | } |
| 1322 | }; |
| 1323 | |
| 1324 | template <> |
| 1325 | struct __tuple_less<0> |
| 1326 | { |
| 1327 | template <class _Tp, class _Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1328 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1329 | bool operator()(const _Tp&, const _Up&) |
| 1330 | { |
| 1331 | return false; |
| 1332 | } |
| 1333 | }; |
| 1334 | |
| 1335 | template <class ..._Tp, class ..._Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1336 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1337 | bool |
| 1338 | operator<(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1339 | { |
Marshall Clow | 8ee1ddd | 2019-02-07 19:03:48 +0000 | [diff] [blame] | 1340 | static_assert (sizeof...(_Tp) == sizeof...(_Up), "Can't compare tuples of different sizes"); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1341 | return __tuple_less<sizeof...(_Tp)>()(__x, __y); |
| 1342 | } |
| 1343 | |
| 1344 | template <class ..._Tp, class ..._Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1345 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1346 | bool |
| 1347 | operator>(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1348 | { |
| 1349 | return __y < __x; |
| 1350 | } |
| 1351 | |
| 1352 | template <class ..._Tp, class ..._Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1353 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1354 | bool |
| 1355 | operator>=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1356 | { |
| 1357 | return !(__x < __y); |
| 1358 | } |
| 1359 | |
| 1360 | template <class ..._Tp, class ..._Up> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1361 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1362 | bool |
| 1363 | operator<=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1364 | { |
| 1365 | return !(__y < __x); |
| 1366 | } |
| 1367 | |
| 1368 | // tuple_cat |
| 1369 | |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1370 | template <class _Tp, class _Up> struct __tuple_cat_type; |
| 1371 | |
| 1372 | template <class ..._Ttypes, class ..._Utypes> |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1373 | struct __tuple_cat_type<tuple<_Ttypes...>, __tuple_types<_Utypes...> > |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1374 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1375 | typedef _LIBCPP_NODEBUG_TYPE tuple<_Ttypes..., _Utypes...> type; |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1376 | }; |
| 1377 | |
| 1378 | template <class _ResultTuple, bool _Is_Tuple0TupleLike, class ..._Tuples> |
| 1379 | struct __tuple_cat_return_1 |
| 1380 | { |
| 1381 | }; |
| 1382 | |
| 1383 | template <class ..._Types, class _Tuple0> |
| 1384 | struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0> |
| 1385 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1386 | typedef _LIBCPP_NODEBUG_TYPE typename __tuple_cat_type<tuple<_Types...>, |
Eric Fiselier | 0c8de4b | 2019-04-26 01:02:18 +0000 | [diff] [blame] | 1387 | typename __make_tuple_types<typename __uncvref<_Tuple0>::type>::type>::type |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1388 | type; |
| 1389 | }; |
| 1390 | |
| 1391 | template <class ..._Types, class _Tuple0, class _Tuple1, class ..._Tuples> |
| 1392 | struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0, _Tuple1, _Tuples...> |
| 1393 | : public __tuple_cat_return_1< |
| 1394 | typename __tuple_cat_type< |
| 1395 | tuple<_Types...>, |
Eric Fiselier | 0c8de4b | 2019-04-26 01:02:18 +0000 | [diff] [blame] | 1396 | typename __make_tuple_types<typename __uncvref<_Tuple0>::type>::type |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1397 | >::type, |
| 1398 | __tuple_like<typename remove_reference<_Tuple1>::type>::value, |
| 1399 | _Tuple1, _Tuples...> |
| 1400 | { |
| 1401 | }; |
| 1402 | |
| 1403 | template <class ..._Tuples> struct __tuple_cat_return; |
| 1404 | |
| 1405 | template <class _Tuple0, class ..._Tuples> |
| 1406 | struct __tuple_cat_return<_Tuple0, _Tuples...> |
| 1407 | : public __tuple_cat_return_1<tuple<>, |
| 1408 | __tuple_like<typename remove_reference<_Tuple0>::type>::value, _Tuple0, |
| 1409 | _Tuples...> |
| 1410 | { |
| 1411 | }; |
| 1412 | |
| 1413 | template <> |
| 1414 | struct __tuple_cat_return<> |
| 1415 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1416 | typedef _LIBCPP_NODEBUG_TYPE tuple<> type; |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1417 | }; |
| 1418 | |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1419 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1420 | tuple<> |
| 1421 | tuple_cat() |
| 1422 | { |
| 1423 | return tuple<>(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1424 | } |
| 1425 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1426 | template <class _Rp, class _Indices, class _Tuple0, class ..._Tuples> |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1427 | struct __tuple_cat_return_ref_imp; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1428 | |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1429 | template <class ..._Types, size_t ..._I0, class _Tuple0> |
| 1430 | struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, _Tuple0> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1431 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1432 | typedef _LIBCPP_NODEBUG_TYPE typename remove_reference<_Tuple0>::type _T0; |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1433 | typedef tuple<_Types..., typename __apply_cv<_Tuple0, |
| 1434 | typename tuple_element<_I0, _T0>::type>::type&&...> type; |
| 1435 | }; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1436 | |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1437 | template <class ..._Types, size_t ..._I0, class _Tuple0, class _Tuple1, class ..._Tuples> |
| 1438 | struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, |
| 1439 | _Tuple0, _Tuple1, _Tuples...> |
| 1440 | : public __tuple_cat_return_ref_imp< |
| 1441 | tuple<_Types..., typename __apply_cv<_Tuple0, |
| 1442 | typename tuple_element<_I0, |
| 1443 | typename remove_reference<_Tuple0>::type>::type>::type&&...>, |
| 1444 | typename __make_tuple_indices<tuple_size<typename |
| 1445 | remove_reference<_Tuple1>::type>::value>::type, |
| 1446 | _Tuple1, _Tuples...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1447 | { |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1448 | }; |
| 1449 | |
| 1450 | template <class _Tuple0, class ..._Tuples> |
| 1451 | struct __tuple_cat_return_ref |
| 1452 | : public __tuple_cat_return_ref_imp<tuple<>, |
| 1453 | typename __make_tuple_indices< |
| 1454 | tuple_size<typename remove_reference<_Tuple0>::type>::value |
| 1455 | >::type, _Tuple0, _Tuples...> |
| 1456 | { |
| 1457 | }; |
| 1458 | |
| 1459 | template <class _Types, class _I0, class _J0> |
| 1460 | struct __tuple_cat; |
| 1461 | |
| 1462 | template <class ..._Types, size_t ..._I0, size_t ..._J0> |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1463 | struct __tuple_cat<tuple<_Types...>, __tuple_indices<_I0...>, __tuple_indices<_J0...> > |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1464 | { |
| 1465 | template <class _Tuple0> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1466 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1467 | typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&>::type |
| 1468 | operator()(tuple<_Types...> __t, _Tuple0&& __t0) |
| 1469 | { |
David Blaikie | 699a5e2 | 2019-10-28 18:03:59 -0700 | [diff] [blame] | 1470 | return _VSTD::forward_as_tuple( |
| 1471 | _VSTD::forward<_Types>(_VSTD::get<_I0>(__t))..., |
| 1472 | _VSTD::get<_J0>(_VSTD::forward<_Tuple0>(__t0))...); |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1473 | } |
| 1474 | |
| 1475 | template <class _Tuple0, class _Tuple1, class ..._Tuples> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1476 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1477 | typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&, _Tuple1&&, _Tuples&&...>::type |
| 1478 | operator()(tuple<_Types...> __t, _Tuple0&& __t0, _Tuple1&& __t1, _Tuples&& ...__tpls) |
| 1479 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1480 | typedef _LIBCPP_NODEBUG_TYPE typename remove_reference<_Tuple0>::type _T0; |
| 1481 | typedef _LIBCPP_NODEBUG_TYPE typename remove_reference<_Tuple1>::type _T1; |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1482 | return __tuple_cat< |
David Blaikie | 699a5e2 | 2019-10-28 18:03:59 -0700 | [diff] [blame] | 1483 | tuple<_Types..., |
| 1484 | typename __apply_cv<_Tuple0, typename tuple_element< |
| 1485 | _J0, _T0>::type>::type&&...>, |
| 1486 | typename __make_tuple_indices<sizeof...(_Types) + |
| 1487 | tuple_size<_T0>::value>::type, |
| 1488 | typename __make_tuple_indices<tuple_size<_T1>::value>::type>()( |
| 1489 | _VSTD::forward_as_tuple( |
| 1490 | _VSTD::forward<_Types>(_VSTD::get<_I0>(__t))..., |
| 1491 | _VSTD::get<_J0>(_VSTD::forward<_Tuple0>(__t0))...), |
| 1492 | _VSTD::forward<_Tuple1>(__t1), _VSTD::forward<_Tuples>(__tpls)...); |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1493 | } |
| 1494 | }; |
| 1495 | |
| 1496 | template <class _Tuple0, class... _Tuples> |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1497 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1498 | typename __tuple_cat_return<_Tuple0, _Tuples...>::type |
| 1499 | tuple_cat(_Tuple0&& __t0, _Tuples&&... __tpls) |
| 1500 | { |
Eric Fiselier | 4fc82a2 | 2019-06-12 02:03:31 +0000 | [diff] [blame] | 1501 | typedef _LIBCPP_NODEBUG_TYPE typename remove_reference<_Tuple0>::type _T0; |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1502 | return __tuple_cat<tuple<>, __tuple_indices<>, |
| 1503 | typename __make_tuple_indices<tuple_size<_T0>::value>::type>() |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1504 | (tuple<>(), _VSTD::forward<_Tuple0>(__t0), |
| 1505 | _VSTD::forward<_Tuples>(__tpls)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1506 | } |
| 1507 | |
| 1508 | template <class ..._Tp, class _Alloc> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 1509 | struct _LIBCPP_TEMPLATE_VIS uses_allocator<tuple<_Tp...>, _Alloc> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1510 | : true_type {}; |
| 1511 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1512 | template <class _T1, class _T2> |
| 1513 | template <class... _Args1, class... _Args2, size_t ..._I1, size_t ..._I2> |
Michael Schellenberger Costa | d41ace6 | 2020-09-02 21:20:33 +0200 | [diff] [blame] | 1514 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1515 | pair<_T1, _T2>::pair(piecewise_construct_t, |
| 1516 | tuple<_Args1...>& __first_args, tuple<_Args2...>& __second_args, |
| 1517 | __tuple_indices<_I1...>, __tuple_indices<_I2...>) |
Marshall Clow | 60e4aa7 | 2014-06-24 00:46:19 +0000 | [diff] [blame] | 1518 | : first(_VSTD::forward<_Args1>(_VSTD::get<_I1>( __first_args))...), |
| 1519 | second(_VSTD::forward<_Args2>(_VSTD::get<_I2>(__second_args))...) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1520 | { |
| 1521 | } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1522 | |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1523 | #if _LIBCPP_STD_VER > 14 |
| 1524 | template <class _Tp> |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 1525 | _LIBCPP_INLINE_VAR constexpr size_t tuple_size_v = tuple_size<_Tp>::value; |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1526 | |
| 1527 | #define _LIBCPP_NOEXCEPT_RETURN(...) noexcept(noexcept(__VA_ARGS__)) { return __VA_ARGS__; } |
| 1528 | |
| 1529 | template <class _Fn, class _Tuple, size_t ..._Id> |
| 1530 | inline _LIBCPP_INLINE_VISIBILITY |
| 1531 | constexpr decltype(auto) __apply_tuple_impl(_Fn && __f, _Tuple && __t, |
| 1532 | __tuple_indices<_Id...>) |
| 1533 | _LIBCPP_NOEXCEPT_RETURN( |
| 1534 | _VSTD::__invoke_constexpr( |
| 1535 | _VSTD::forward<_Fn>(__f), |
| 1536 | _VSTD::get<_Id>(_VSTD::forward<_Tuple>(__t))...) |
| 1537 | ) |
| 1538 | |
| 1539 | template <class _Fn, class _Tuple> |
| 1540 | inline _LIBCPP_INLINE_VISIBILITY |
| 1541 | constexpr decltype(auto) apply(_Fn && __f, _Tuple && __t) |
| 1542 | _LIBCPP_NOEXCEPT_RETURN( |
| 1543 | _VSTD::__apply_tuple_impl( |
| 1544 | _VSTD::forward<_Fn>(__f), _VSTD::forward<_Tuple>(__t), |
Marshall Clow | d5bbc24 | 2018-02-06 20:56:55 +0000 | [diff] [blame] | 1545 | typename __make_tuple_indices<tuple_size_v<remove_reference_t<_Tuple>>>::type{}) |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1546 | ) |
| 1547 | |
| 1548 | template <class _Tp, class _Tuple, size_t... _Idx> |
| 1549 | inline _LIBCPP_INLINE_VISIBILITY |
| 1550 | constexpr _Tp __make_from_tuple_impl(_Tuple&& __t, __tuple_indices<_Idx...>) |
| 1551 | _LIBCPP_NOEXCEPT_RETURN( |
| 1552 | _Tp(_VSTD::get<_Idx>(_VSTD::forward<_Tuple>(__t))...) |
| 1553 | ) |
| 1554 | |
| 1555 | template <class _Tp, class _Tuple> |
| 1556 | inline _LIBCPP_INLINE_VISIBILITY |
| 1557 | constexpr _Tp make_from_tuple(_Tuple&& __t) |
| 1558 | _LIBCPP_NOEXCEPT_RETURN( |
| 1559 | _VSTD::__make_from_tuple_impl<_Tp>(_VSTD::forward<_Tuple>(__t), |
Marshall Clow | d5bbc24 | 2018-02-06 20:56:55 +0000 | [diff] [blame] | 1560 | typename __make_tuple_indices<tuple_size_v<remove_reference_t<_Tuple>>>::type{}) |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1561 | ) |
| 1562 | |
| 1563 | #undef _LIBCPP_NOEXCEPT_RETURN |
| 1564 | |
| 1565 | #endif // _LIBCPP_STD_VER > 14 |
| 1566 | |
Eric Fiselier | ffe4aba | 2017-04-19 01:23:39 +0000 | [diff] [blame] | 1567 | #endif // !defined(_LIBCPP_CXX03_LANG) |
| 1568 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1569 | _LIBCPP_END_NAMESPACE_STD |
| 1570 | |
Louis Dionne | 2b1ceaa | 2021-04-20 12:03:32 -0400 | [diff] [blame] | 1571 | #endif // _LIBCPP_TUPLE |