Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
Louis Dionne | 9bd9388 | 2021-11-17 16:25:01 -0500 | [diff] [blame] | 2 | //===----------------------------------------------------------------------===// |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 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; |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 28 | |
| 29 | template<class... UTypes> |
| 30 | constexpr explicit(see-below) tuple(tuple<UTypes...>&); // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 31 | template <class... U> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 32 | explicit(see-below) tuple(const tuple<U...>&); // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 33 | template <class... U> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 34 | explicit(see-below) tuple(tuple<U...>&&); // constexpr in C++14 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 35 | template<class... UTypes> |
| 36 | constexpr explicit(see-below) tuple(const tuple<UTypes...>&&); // C++23 |
| 37 | |
| 38 | template<class U1, class U2> |
| 39 | constexpr explicit(see-below) tuple(pair<U1, U2>&); // iff sizeof...(Types) == 2 // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 40 | template <class U1, class U2> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 41 | 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] | 42 | template <class U1, class U2> |
Louis Dionne | 1afad1d | 2019-07-22 20:45:23 +0000 | [diff] [blame] | 43 | explicit(see-below) tuple(pair<U1, U2>&&); // iff sizeof...(T) == 2 // constexpr in C++14 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 44 | template<class U1, class U2> |
| 45 | constexpr explicit(see-below) tuple(const pair<U1, U2>&&); // iff sizeof...(Types) == 2 // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 46 | |
| 47 | // allocator-extended constructors |
| 48 | template <class Alloc> |
| 49 | tuple(allocator_arg_t, const Alloc& a); |
| 50 | template <class Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 51 | 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] | 52 | template <class Alloc, class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 53 | 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] | 54 | template <class Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 55 | 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] | 56 | template <class Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 57 | tuple(allocator_arg_t, const Alloc& a, tuple&&); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 58 | template<class Alloc, class... UTypes> |
| 59 | constexpr explicit(see-below) |
Louis Dionne | 76450ee | 2022-06-27 09:36:52 -0400 | [diff] [blame] | 60 | tuple(allocator_arg_t, const Alloc& a, tuple<UTypes...>&); // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 61 | template <class Alloc, class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 62 | 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] | 63 | template <class Alloc, class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 64 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, tuple<U...>&&); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 65 | template<class Alloc, class... UTypes> |
| 66 | constexpr explicit(see-below) |
| 67 | tuple(allocator_arg_t, const Alloc& a, const tuple<UTypes...>&&); // C++23 |
| 68 | template<class Alloc, class U1, class U2> |
| 69 | constexpr explicit(see-below) |
| 70 | tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&); // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 71 | template <class Alloc, class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 72 | 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] | 73 | template <class Alloc, class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 74 | explicit(see-below) tuple(allocator_arg_t, const Alloc& a, pair<U1, U2>&&); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 75 | template<class Alloc, class U1, class U2> |
| 76 | constexpr explicit(see-below) |
| 77 | tuple(allocator_arg_t, const Alloc& a, const pair<U1, U2>&&); // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 78 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 79 | tuple& operator=(const tuple&); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 80 | constexpr const tuple& operator=(const tuple&) const; // C++23 |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 81 | tuple& operator=(tuple&&) noexcept(is_nothrow_move_assignable_v<T> && ...); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 82 | constexpr const tuple& operator=(tuple&&) const; // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 83 | template <class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 84 | tuple& operator=(const tuple<U...>&); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 85 | template<class... UTypes> |
| 86 | constexpr const tuple& operator=(const tuple<UTypes...>&) const; // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 87 | template <class... U> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 88 | tuple& operator=(tuple<U...>&&); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 89 | template<class... UTypes> |
| 90 | constexpr const tuple& operator=(tuple<UTypes...>&&) const; // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 91 | template <class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 92 | tuple& operator=(const pair<U1, U2>&); // iff sizeof...(T) == 2 // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 93 | template<class U1, class U2> |
| 94 | constexpr const tuple& operator=(const pair<U1, U2>&) const; // iff sizeof...(Types) == 2 // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 95 | template <class U1, class U2> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 96 | tuple& operator=(pair<U1, U2>&&); // iff sizeof...(T) == 2 // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 97 | template<class U1, class U2> |
| 98 | constexpr const tuple& operator=(pair<U1, U2>&&) const; // iff sizeof...(Types) == 2 // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 99 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 100 | template<class U, size_t N> |
| 101 | tuple& operator=(array<U, N> const&) // iff sizeof...(T) == N, EXTENSION |
| 102 | template<class U, size_t N> |
| 103 | tuple& operator=(array<U, N>&&) // iff sizeof...(T) == N, EXTENSION |
| 104 | |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 105 | void swap(tuple&) noexcept(AND(swap(declval<T&>(), declval<T&>())...)); // constexpr in C++20 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 106 | constexpr void swap(const tuple&) const noexcept(see-below); // C++23 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 107 | }; |
| 108 | |
Nikolas Klauser | ad26ba5 | 2022-01-17 19:45:42 +0100 | [diff] [blame] | 109 | |
| 110 | template<class... TTypes, class... UTypes, template<class> class TQual, template<class> class UQual> // since C++23 |
| 111 | requires requires { typename tuple<common_reference_t<TQual<TTypes>, UQual<UTypes>>...>; } |
| 112 | struct basic_common_reference<tuple<TTypes...>, tuple<UTypes...>, TQual, UQual> { |
| 113 | using type = tuple<common_reference_t<TQual<TTypes>, UQual<UTypes>>...>; |
| 114 | }; |
| 115 | |
| 116 | template<class... TTypes, class... UTypes> // since C++23 |
| 117 | requires requires { typename tuple<common_type_t<TTypes, UTypes>...>; } |
| 118 | struct common_type<tuple<TTypes...>, tuple<UTypes...>> { |
| 119 | using type = tuple<common_type_t<TTypes, UTypes>...>; |
| 120 | }; |
| 121 | |
Louis Dionne | 616da2a | 2019-08-12 18:30:31 +0000 | [diff] [blame] | 122 | template <class ...T> |
| 123 | tuple(T...) -> tuple<T...>; // since C++17 |
| 124 | template <class T1, class T2> |
| 125 | tuple(pair<T1, T2>) -> tuple<T1, T2>; // since C++17 |
| 126 | template <class Alloc, class ...T> |
| 127 | tuple(allocator_arg_t, Alloc, T...) -> tuple<T...>; // since C++17 |
| 128 | template <class Alloc, class T1, class T2> |
| 129 | tuple(allocator_arg_t, Alloc, pair<T1, T2>) -> tuple<T1, T2>; // since C++17 |
| 130 | template <class Alloc, class ...T> |
| 131 | tuple(allocator_arg_t, Alloc, tuple<T...>) -> tuple<T...>; // since C++17 |
| 132 | |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 133 | inline constexpr unspecified ignore; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 134 | |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 135 | template <class... T> tuple<V...> make_tuple(T&&...); // constexpr in C++14 |
Marshall Clow | ded420b | 2013-10-05 18:46:37 +0000 | [diff] [blame] | 136 | 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] | 137 | template <class... T> tuple<T&...> tie(T&...) noexcept; // constexpr in C++14 |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 138 | 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] | 139 | |
| 140 | // [tuple.apply], calling a function with a tuple of arguments: |
| 141 | template <class F, class Tuple> |
| 142 | constexpr decltype(auto) apply(F&& f, Tuple&& t); // C++17 |
| 143 | template <class T, class Tuple> |
| 144 | constexpr T make_from_tuple(Tuple&& t); // C++17 |
| 145 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 146 | // 20.4.1.4, tuple helper classes: |
Marshall Clow | ce62b4d | 2019-01-11 21:57:12 +0000 | [diff] [blame] | 147 | template <class T> struct tuple_size; // undefined |
| 148 | template <class... T> struct tuple_size<tuple<T...>>; |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 149 | template <class T> |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 150 | 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] | 151 | template <size_t I, class T> struct tuple_element; // undefined |
| 152 | template <size_t I, class... T> struct tuple_element<I, tuple<T...>>; |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 153 | template <size_t I, class T> |
| 154 | using tuple_element_t = typename tuple_element <I, T>::type; // C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 155 | |
| 156 | // 20.4.1.5, element access: |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 157 | template <size_t I, class... T> |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 158 | typename tuple_element<I, tuple<T...>>::type& |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 159 | get(tuple<T...>&) noexcept; // constexpr in C++14 |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 160 | template <size_t I, class... T> |
| 161 | const typename tuple_element<I, tuple<T...>>::type& |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 162 | get(const tuple<T...>&) noexcept; // constexpr in C++14 |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 163 | template <size_t I, class... T> |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 164 | typename tuple_element<I, tuple<T...>>::type&& |
Marshall Clow | 0abb104 | 2013-07-17 18:25:36 +0000 | [diff] [blame] | 165 | get(tuple<T...>&&) noexcept; // constexpr in C++14 |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 166 | template <size_t I, class... T> |
| 167 | const typename tuple_element<I, tuple<T...>>::type&& |
| 168 | get(const tuple<T...>&&) noexcept; // constexpr in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 169 | |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 170 | template <class T1, class... T> |
| 171 | constexpr T1& get(tuple<T...>&) noexcept; // C++14 |
| 172 | template <class T1, class... T> |
Marshall Clow | 3690751 | 2015-11-19 19:45:29 +0000 | [diff] [blame] | 173 | constexpr const T1& get(const tuple<T...>&) noexcept; // C++14 |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 174 | template <class T1, class... T> |
| 175 | constexpr T1&& get(tuple<T...>&&) noexcept; // C++14 |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 176 | template <class T1, class... T> |
| 177 | constexpr const T1&& get(const tuple<T...>&&) noexcept; // C++14 |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 178 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 179 | // 20.4.1.6, relational operators: |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 180 | template<class... T, class... U> bool operator==(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14 |
Kent Ross | 0861b0d | 2021-10-08 14:54:28 -0700 | [diff] [blame] | 181 | template<class... T, class... U> bool operator<(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14, removed in C++20 |
| 182 | template<class... T, class... U> bool operator!=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14, removed in C++20 |
| 183 | template<class... T, class... U> bool operator>(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14, removed in C++20 |
| 184 | template<class... T, class... U> bool operator<=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14, removed in C++20 |
| 185 | template<class... T, class... U> bool operator>=(const tuple<T...>&, const tuple<U...>&); // constexpr in C++14, removed in C++20 |
| 186 | template<class... T, class... U> |
| 187 | constexpr common_comparison_category_t<synth-three-way-result<T, U>...> |
| 188 | operator<=>(const tuple<T...>&, const tuple<U...>&); // since C++20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 189 | |
| 190 | template <class... Types, class Alloc> |
| 191 | struct uses_allocator<tuple<Types...>, Alloc>; |
| 192 | |
| 193 | template <class... Types> |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 194 | void |
| 195 | swap(tuple<Types...>& x, tuple<Types...>& y) noexcept(noexcept(x.swap(y))); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 196 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 197 | template <class... Types> |
| 198 | constexpr void swap(const tuple<Types...>& x, const tuple<Types...>& y) noexcept(see-below); // C++23 |
| 199 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 200 | } // std |
| 201 | |
| 202 | */ |
| 203 | |
Louis Dionne | b4fce35 | 2022-03-25 12:55:36 -0400 | [diff] [blame] | 204 | #include <__assert> // all public C++ headers provide the assertion handler |
Kent Ross | 0861b0d | 2021-10-08 14:54:28 -0700 | [diff] [blame] | 205 | #include <__compare/common_comparison_category.h> |
| 206 | #include <__compare/synth_three_way.h> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 207 | #include <__config> |
Christopher Di Bella | 599a6c6 | 2021-06-09 23:10:17 +0000 | [diff] [blame] | 208 | #include <__functional/unwrap_ref.h> |
Nikolas Klauser | a22eabb | 2022-09-05 14:38:24 +0200 | [diff] [blame] | 209 | #include <__fwd/array.h> |
Christopher Di Bella | 55d7a82 | 2021-07-01 09:25:35 -0400 | [diff] [blame] | 210 | #include <__memory/allocator_arg_t.h> |
| 211 | #include <__memory/uses_allocator.h> |
Nikolas Klauser | 23713ea | 2022-08-13 23:10:31 +0200 | [diff] [blame] | 212 | #include <__type_traits/maybe_const.h> |
Christopher Di Bella | 41f26e8 | 2021-06-05 02:47:47 +0000 | [diff] [blame] | 213 | #include <__utility/forward.h> |
Kent Ross | 0861b0d | 2021-10-08 14:54:28 -0700 | [diff] [blame] | 214 | #include <__utility/integer_sequence.h> |
Christopher Di Bella | 41f26e8 | 2021-06-05 02:47:47 +0000 | [diff] [blame] | 215 | #include <__utility/move.h> |
Nikolas Klauser | 8fccd62 | 2022-03-05 19:17:07 +0100 | [diff] [blame] | 216 | #include <__utility/pair.h> |
| 217 | #include <__utility/piecewise_construct.h> |
| 218 | #include <__utility/swap.h> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 219 | #include <cstddef> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 220 | #include <type_traits> |
Marshall Clow | 0a1e750 | 2018-09-12 19:41:40 +0000 | [diff] [blame] | 221 | #include <version> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 222 | |
Nikolas Klauser | a0e0edb | 2022-06-16 22:43:46 +0200 | [diff] [blame] | 223 | // standard-mandated includes |
Nikolas Klauser | 71619e7 | 2022-09-22 18:05:08 +0200 | [diff] [blame] | 224 | |
| 225 | // [tuple.syn] |
Nikolas Klauser | a0e0edb | 2022-06-16 22:43:46 +0200 | [diff] [blame] | 226 | #include <compare> |
| 227 | |
Howard Hinnant | aaaa52b | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 228 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
Arthur O'Dwyer | 6eeaa00 | 2022-02-01 20:16:40 -0500 | [diff] [blame] | 229 | # pragma GCC system_header |
Howard Hinnant | aaaa52b | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 230 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 231 | |
| 232 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 233 | |
Eric Fiselier | ffe4aba | 2017-04-19 01:23:39 +0000 | [diff] [blame] | 234 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 235 | |
Marshall Clow | f50d66f | 2014-03-03 06:18:11 +0000 | [diff] [blame] | 236 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 237 | // __tuple_leaf |
| 238 | |
Eric Fiselier | f739430 | 2015-06-13 07:08:02 +0000 | [diff] [blame] | 239 | template <size_t _Ip, class _Hp, |
| 240 | bool=is_empty<_Hp>::value && !__libcpp_is_final<_Hp>::value |
Howard Hinnant | d0aabf8 | 2011-12-11 20:31:33 +0000 | [diff] [blame] | 241 | > |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 242 | class __tuple_leaf; |
| 243 | |
| 244 | template <size_t _Ip, class _Hp, bool _Ep> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 245 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 246 | 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] | 247 | _NOEXCEPT_(__is_nothrow_swappable<_Hp>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 248 | { |
| 249 | swap(__x.get(), __y.get()); |
| 250 | } |
| 251 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 252 | template <size_t _Ip, class _Hp, bool _Ep> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 253 | _LIBCPP_HIDE_FROM_ABI _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 76450ee | 2022-06-27 09:36:52 -0400 | [diff] [blame] | 254 | void swap(const __tuple_leaf<_Ip, _Hp, _Ep>& __x, const __tuple_leaf<_Ip, _Hp, _Ep>& __y) |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 255 | _NOEXCEPT_(__is_nothrow_swappable<const _Hp>::value) { |
| 256 | swap(__x.get(), __y.get()); |
| 257 | } |
| 258 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 259 | template <size_t _Ip, class _Hp, bool> |
| 260 | class __tuple_leaf |
| 261 | { |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 262 | _Hp __value_; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 263 | |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 264 | template <class _Tp> |
| 265 | static constexpr bool __can_bind_reference() { |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 266 | #if __has_keyword(__reference_binds_to_temporary) |
| 267 | return !__reference_binds_to_temporary(_Hp, _Tp); |
Eric Fiselier | 81c32cb | 2018-01-24 23:10:02 +0000 | [diff] [blame] | 268 | #else |
| 269 | return true; |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 270 | #endif |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 271 | } |
| 272 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 273 | _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 274 | __tuple_leaf& operator=(const __tuple_leaf&); |
| 275 | public: |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 276 | _LIBCPP_INLINE_VISIBILITY constexpr __tuple_leaf() |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 277 | _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) : __value_() |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 278 | {static_assert(!is_reference<_Hp>::value, |
| 279 | "Attempted to default construct a reference element in a tuple");} |
| 280 | |
| 281 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 282 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 283 | __tuple_leaf(integral_constant<int, 0>, const _Alloc&) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 284 | : __value_() |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 285 | {static_assert(!is_reference<_Hp>::value, |
| 286 | "Attempted to default construct a reference element in a tuple");} |
| 287 | |
| 288 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 289 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 290 | __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 291 | : __value_(allocator_arg_t(), __a) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 292 | {static_assert(!is_reference<_Hp>::value, |
| 293 | "Attempted to default construct a reference element in a tuple");} |
| 294 | |
| 295 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 296 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 297 | __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 298 | : __value_(__a) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 299 | {static_assert(!is_reference<_Hp>::value, |
| 300 | "Attempted to default construct a reference element in a tuple");} |
| 301 | |
Howard Hinnant | 693fc21 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 302 | template <class _Tp, |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 303 | class = __enable_if_t< |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 304 | _And< |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 305 | _IsNotSame<__remove_cvref_t<_Tp>, __tuple_leaf>, |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 306 | is_constructible<_Hp, _Tp> |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 307 | >::value |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 308 | > |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 309 | > |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 310 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 311 | explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 312 | : __value_(_VSTD::forward<_Tp>(__t)) |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 313 | {static_assert(__can_bind_reference<_Tp&&>(), |
| 314 | "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] | 315 | |
| 316 | template <class _Tp, class _Alloc> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 317 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 318 | explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 319 | : __value_(_VSTD::forward<_Tp>(__t)) |
Eric Fiselier | 869187d | 2018-01-24 22:14:01 +0000 | [diff] [blame] | 320 | {static_assert(__can_bind_reference<_Tp&&>(), |
| 321 | "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] | 322 | |
| 323 | template <class _Tp, class _Alloc> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 324 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 325 | explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 326 | : __value_(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 327 | {static_assert(!is_reference<_Hp>::value, |
| 328 | "Attempted to uses-allocator construct a reference element in a tuple");} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 329 | |
| 330 | template <class _Tp, class _Alloc> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 331 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 332 | explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 333 | : __value_(_VSTD::forward<_Tp>(__t), __a) |
Eric Fiselier | ca8bba1 | 2016-07-20 02:57:39 +0000 | [diff] [blame] | 334 | {static_assert(!is_reference<_Hp>::value, |
| 335 | "Attempted to uses-allocator construct a reference element in a tuple");} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 336 | |
Marshall Clow | 47fcee5 | 2014-04-21 23:48:09 +0000 | [diff] [blame] | 337 | __tuple_leaf(const __tuple_leaf& __t) = default; |
| 338 | __tuple_leaf(__tuple_leaf&& __t) = default; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 339 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 340 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 341 | int swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 342 | { |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 343 | _VSTD::swap(*this, __t); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 344 | return 0; |
| 345 | } |
| 346 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 347 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 348 | int swap(const __tuple_leaf& __t) const _NOEXCEPT_(__is_nothrow_swappable<const __tuple_leaf>::value) { |
| 349 | _VSTD::swap(*this, __t); |
| 350 | return 0; |
| 351 | } |
| 352 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 353 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 _Hp& get() _NOEXCEPT {return __value_;} |
| 354 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Hp& get() const _NOEXCEPT {return __value_;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 355 | }; |
| 356 | |
| 357 | template <size_t _Ip, class _Hp> |
| 358 | class __tuple_leaf<_Ip, _Hp, true> |
| 359 | : private _Hp |
| 360 | { |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 361 | _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 362 | __tuple_leaf& operator=(const __tuple_leaf&); |
| 363 | public: |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 364 | _LIBCPP_INLINE_VISIBILITY constexpr __tuple_leaf() |
Howard Hinnant | aabb420 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 365 | _NOEXCEPT_(is_nothrow_default_constructible<_Hp>::value) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 366 | |
| 367 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 368 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 369 | __tuple_leaf(integral_constant<int, 0>, const _Alloc&) {} |
| 370 | |
| 371 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 372 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 373 | __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a) |
| 374 | : _Hp(allocator_arg_t(), __a) {} |
| 375 | |
| 376 | template <class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 377 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 378 | __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a) |
| 379 | : _Hp(__a) {} |
| 380 | |
Howard Hinnant | 693fc21 | 2010-09-27 17:54:17 +0000 | [diff] [blame] | 381 | template <class _Tp, |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 382 | class = __enable_if_t< |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 383 | _And< |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 384 | _IsNotSame<__remove_cvref_t<_Tp>, __tuple_leaf>, |
Eric Fiselier | 3906a13 | 2019-06-23 20:28:29 +0000 | [diff] [blame] | 385 | is_constructible<_Hp, _Tp> |
| 386 | >::value |
| 387 | > |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 388 | > |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 389 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 390 | explicit __tuple_leaf(_Tp&& __t) _NOEXCEPT_((is_nothrow_constructible<_Hp, _Tp>::value)) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 391 | : _Hp(_VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 392 | |
| 393 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 394 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 395 | explicit __tuple_leaf(integral_constant<int, 0>, const _Alloc&, _Tp&& __t) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 396 | : _Hp(_VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 397 | |
| 398 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 399 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 400 | explicit __tuple_leaf(integral_constant<int, 1>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 401 | : _Hp(allocator_arg_t(), __a, _VSTD::forward<_Tp>(__t)) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 402 | |
| 403 | template <class _Tp, class _Alloc> |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 404 | _LIBCPP_INLINE_VISIBILITY constexpr |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 405 | explicit __tuple_leaf(integral_constant<int, 2>, const _Alloc& __a, _Tp&& __t) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 406 | : _Hp(_VSTD::forward<_Tp>(__t), __a) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 407 | |
Eric Fiselier | 42fa85e | 2014-07-24 18:48:34 +0000 | [diff] [blame] | 408 | __tuple_leaf(__tuple_leaf const &) = default; |
| 409 | __tuple_leaf(__tuple_leaf &&) = default; |
| 410 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 411 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 412 | int |
| 413 | swap(__tuple_leaf& __t) _NOEXCEPT_(__is_nothrow_swappable<__tuple_leaf>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 414 | { |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 415 | _VSTD::swap(*this, __t); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 416 | return 0; |
| 417 | } |
| 418 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 419 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 420 | int swap(const __tuple_leaf& __rhs) const _NOEXCEPT_(__is_nothrow_swappable<const __tuple_leaf>::value) { |
| 421 | _VSTD::swap(*this, __rhs); |
| 422 | return 0; |
| 423 | } |
| 424 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 425 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 _Hp& get() _NOEXCEPT {return static_cast<_Hp&>(*this);} |
| 426 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 const _Hp& get() const _NOEXCEPT {return static_cast<const _Hp&>(*this);} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 427 | }; |
| 428 | |
Howard Hinnant | 1c265cd | 2010-09-23 18:58:28 +0000 | [diff] [blame] | 429 | template <class ..._Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 430 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 431 | void __swallow(_Tp&&...) _NOEXCEPT {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 432 | |
Marshall Clow | c470eae | 2014-10-15 10:33:02 +0000 | [diff] [blame] | 433 | template <class _Tp> |
| 434 | struct __all_default_constructible; |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 435 | |
Marshall Clow | c470eae | 2014-10-15 10:33:02 +0000 | [diff] [blame] | 436 | template <class ..._Tp> |
| 437 | struct __all_default_constructible<__tuple_types<_Tp...>> |
| 438 | : __all<is_default_constructible<_Tp>::value...> |
| 439 | { }; |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 440 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 441 | // __tuple_impl |
| 442 | |
| 443 | template<class _Indx, class ..._Tp> struct __tuple_impl; |
| 444 | |
| 445 | template<size_t ..._Indx, class ..._Tp> |
Eric Fiselier | e3cec5f | 2017-01-16 21:15:08 +0000 | [diff] [blame] | 446 | struct _LIBCPP_DECLSPEC_EMPTY_BASES __tuple_impl<__tuple_indices<_Indx...>, _Tp...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 447 | : public __tuple_leaf<_Indx, _Tp>... |
| 448 | { |
Howard Hinnant | 3846963 | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 449 | _LIBCPP_INLINE_VISIBILITY |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 450 | constexpr __tuple_impl() |
Howard Hinnant | aabb420 | 2012-07-06 20:50:27 +0000 | [diff] [blame] | 451 | _NOEXCEPT_(__all<is_nothrow_default_constructible<_Tp>::value...>::value) {} |
Howard Hinnant | 3846963 | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 452 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 453 | template <size_t ..._Uf, class ..._Tf, |
| 454 | size_t ..._Ul, class ..._Tl, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 455 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 456 | explicit |
| 457 | __tuple_impl(__tuple_indices<_Uf...>, __tuple_types<_Tf...>, |
| 458 | __tuple_indices<_Ul...>, __tuple_types<_Tl...>, |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 459 | _Up&&... __u) |
| 460 | _NOEXCEPT_((__all<is_nothrow_constructible<_Tf, _Up>::value...>::value && |
| 461 | __all<is_nothrow_default_constructible<_Tl>::value...>::value)) : |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 462 | __tuple_leaf<_Uf, _Tf>(_VSTD::forward<_Up>(__u))..., |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 463 | __tuple_leaf<_Ul, _Tl>()... |
| 464 | {} |
| 465 | |
| 466 | template <class _Alloc, size_t ..._Uf, class ..._Tf, |
| 467 | size_t ..._Ul, class ..._Tl, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 468 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 469 | explicit |
| 470 | __tuple_impl(allocator_arg_t, const _Alloc& __a, |
| 471 | __tuple_indices<_Uf...>, __tuple_types<_Tf...>, |
| 472 | __tuple_indices<_Ul...>, __tuple_types<_Tl...>, |
| 473 | _Up&&... __u) : |
| 474 | __tuple_leaf<_Uf, _Tf>(__uses_alloc_ctor<_Tf, _Alloc, _Up>(), __a, |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 475 | _VSTD::forward<_Up>(__u))..., |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 476 | __tuple_leaf<_Ul, _Tl>(__uses_alloc_ctor<_Tl, _Alloc>(), __a)... |
| 477 | {} |
| 478 | |
| 479 | template <class _Tuple, |
Nikolas Klauser | 7537c9c | 2022-07-04 01:21:44 +0200 | [diff] [blame] | 480 | class = __enable_if_t<__tuple_constructible<_Tuple, tuple<_Tp...> >::value> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 481 | > |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 482 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 483 | __tuple_impl(_Tuple&& __t) _NOEXCEPT_((__all<is_nothrow_constructible<_Tp, typename tuple_element<_Indx, |
| 484 | typename __make_tuple_types<_Tuple>::type>::type>::value...>::value)) |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 485 | : __tuple_leaf<_Indx, _Tp>(_VSTD::forward<typename tuple_element<_Indx, |
| 486 | typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 487 | {} |
| 488 | |
| 489 | template <class _Alloc, class _Tuple, |
Nikolas Klauser | 7537c9c | 2022-07-04 01:21:44 +0200 | [diff] [blame] | 490 | class = __enable_if_t<__tuple_constructible<_Tuple, tuple<_Tp...> >::value> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 491 | > |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 492 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 493 | __tuple_impl(allocator_arg_t, const _Alloc& __a, _Tuple&& __t) |
| 494 | : __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] | 495 | typename __make_tuple_types<_Tuple>::type>::type>(), __a, |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 496 | _VSTD::forward<typename tuple_element<_Indx, |
| 497 | typename __make_tuple_types<_Tuple>::type>::type>(_VSTD::get<_Indx>(__t)))... |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 498 | {} |
| 499 | |
Howard Hinnant | 0d032d1 | 2013-11-06 17:45:43 +0000 | [diff] [blame] | 500 | __tuple_impl(const __tuple_impl&) = default; |
| 501 | __tuple_impl(__tuple_impl&&) = default; |
| 502 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 503 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 504 | void swap(__tuple_impl& __t) |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 505 | _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 506 | { |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 507 | _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] | 508 | } |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 509 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 510 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 511 | void swap(const __tuple_impl& __t) const |
| 512 | _NOEXCEPT_(__all<__is_nothrow_swappable<const _Tp>::value...>::value) |
| 513 | { |
| 514 | _VSTD::__swallow(__tuple_leaf<_Indx, _Tp>::swap(static_cast<const __tuple_leaf<_Indx, _Tp>&>(__t))...); |
| 515 | } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 516 | }; |
| 517 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 518 | template<class _Dest, class _Source, size_t ..._Np> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 519 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 520 | void __memberwise_copy_assign(_Dest& __dest, _Source const& __source, __tuple_indices<_Np...>) { |
| 521 | _VSTD::__swallow(((_VSTD::get<_Np>(__dest) = _VSTD::get<_Np>(__source)), void(), 0)...); |
| 522 | } |
Eric Fiselier | 264d04a | 2016-04-15 18:05:59 +0000 | [diff] [blame] | 523 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 524 | template<class _Dest, class _Source, class ..._Up, size_t ..._Np> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 525 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 526 | void __memberwise_forward_assign(_Dest& __dest, _Source&& __source, __tuple_types<_Up...>, __tuple_indices<_Np...>) { |
| 527 | _VSTD::__swallow((( |
Louis Dionne | 3b8af4d | 2021-02-24 14:53:21 -0500 | [diff] [blame] | 528 | _VSTD::get<_Np>(__dest) = _VSTD::forward<_Up>(_VSTD::get<_Np>(__source)) |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 529 | ), void(), 0)...); |
| 530 | } |
Eric Fiselier | 264d04a | 2016-04-15 18:05:59 +0000 | [diff] [blame] | 531 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 532 | template <class ..._Tp> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 533 | class _LIBCPP_TEMPLATE_VIS tuple |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 534 | { |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 535 | typedef __tuple_impl<typename __make_tuple_indices<sizeof...(_Tp)>::type, _Tp...> _BaseT; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 536 | |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 537 | _BaseT __base_; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 538 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 539 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 540 | typename tuple_element<_Jp, tuple<_Up...> >::type& get(tuple<_Up...>&) _NOEXCEPT; |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 541 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 542 | const typename tuple_element<_Jp, tuple<_Up...> >::type& get(const tuple<_Up...>&) _NOEXCEPT; |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 543 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 544 | typename tuple_element<_Jp, tuple<_Up...> >::type&& get(tuple<_Up...>&&) _NOEXCEPT; |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 545 | template <size_t _Jp, class ..._Up> friend _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 546 | 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] | 547 | public: |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 548 | // [tuple.cnstr] |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 549 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 550 | // tuple() constructors (including allocator_arg_t variants) |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 551 | template <template<class...> class _IsImpDefault = __is_implicitly_default_constructible, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 552 | _And< |
| 553 | _IsImpDefault<_Tp>... // explicit check |
| 554 | >::value |
| 555 | , int> = 0> |
Louis Dionne | 58bca85 | 2021-04-30 15:52:26 -0400 | [diff] [blame] | 556 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
Louis Dionne | a7a2beb | 2019-09-26 14:51:10 +0000 | [diff] [blame] | 557 | tuple() |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 558 | _NOEXCEPT_(_And<is_nothrow_default_constructible<_Tp>...>::value) |
| 559 | { } |
Louis Dionne | a7a2beb | 2019-09-26 14:51:10 +0000 | [diff] [blame] | 560 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 561 | template <template<class...> class _IsImpDefault = __is_implicitly_default_constructible, |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 562 | template<class...> class _IsDefault = is_default_constructible, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 563 | _And< |
| 564 | _IsDefault<_Tp>..., |
| 565 | _Not<_Lazy<_And, _IsImpDefault<_Tp>...> > // explicit check |
| 566 | >::value |
| 567 | , int> = 0> |
| 568 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR |
| 569 | explicit tuple() |
| 570 | _NOEXCEPT_(_And<is_nothrow_default_constructible<_Tp>...>::value) |
| 571 | { } |
Howard Hinnant | 3846963 | 2012-07-06 20:39:45 +0000 | [diff] [blame] | 572 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 573 | template <class _Alloc, template<class...> class _IsImpDefault = __is_implicitly_default_constructible, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 574 | _And< |
| 575 | _IsImpDefault<_Tp>... // explicit check |
| 576 | >::value |
| 577 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 578 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 579 | tuple(allocator_arg_t, _Alloc const& __a) |
| 580 | : __base_(allocator_arg_t(), __a, |
| 581 | __tuple_indices<>(), __tuple_types<>(), |
| 582 | typename __make_tuple_indices<sizeof...(_Tp), 0>::type(), |
| 583 | __tuple_types<_Tp...>()) {} |
| 584 | |
| 585 | template <class _Alloc, |
| 586 | template<class...> class _IsImpDefault = __is_implicitly_default_constructible, |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 587 | template<class...> class _IsDefault = is_default_constructible, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 588 | _And< |
| 589 | _IsDefault<_Tp>..., |
| 590 | _Not<_Lazy<_And, _IsImpDefault<_Tp>...> > // explicit check |
| 591 | >::value |
| 592 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 593 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 594 | explicit tuple(allocator_arg_t, _Alloc const& __a) |
| 595 | : __base_(allocator_arg_t(), __a, |
| 596 | __tuple_indices<>(), __tuple_types<>(), |
| 597 | typename __make_tuple_indices<sizeof...(_Tp), 0>::type(), |
| 598 | __tuple_types<_Tp...>()) {} |
| 599 | |
| 600 | // tuple(const T&...) constructors (including allocator_arg_t variants) |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 601 | template <template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 602 | _And< |
| 603 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 604 | is_copy_constructible<_Tp>..., |
| 605 | is_convertible<const _Tp&, _Tp>... // explicit check |
| 606 | >::value |
| 607 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 608 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 609 | tuple(const _Tp& ... __t) |
| 610 | _NOEXCEPT_(_And<is_nothrow_copy_constructible<_Tp>...>::value) |
| 611 | : __base_(typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 612 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 613 | typename __make_tuple_indices<0>::type(), |
| 614 | typename __make_tuple_types<tuple, 0>::type(), |
| 615 | __t... |
| 616 | ) {} |
| 617 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 618 | template <template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 619 | _And< |
| 620 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 621 | is_copy_constructible<_Tp>..., |
| 622 | _Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> > // explicit check |
| 623 | >::value |
| 624 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 625 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 626 | explicit tuple(const _Tp& ... __t) |
| 627 | _NOEXCEPT_(_And<is_nothrow_copy_constructible<_Tp>...>::value) |
| 628 | : __base_(typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 629 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 630 | typename __make_tuple_indices<0>::type(), |
| 631 | typename __make_tuple_types<tuple, 0>::type(), |
| 632 | __t... |
| 633 | ) {} |
| 634 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 635 | template <class _Alloc, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 636 | _And< |
| 637 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 638 | is_copy_constructible<_Tp>..., |
| 639 | is_convertible<const _Tp&, _Tp>... // explicit check |
| 640 | >::value |
| 641 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 642 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 643 | tuple(allocator_arg_t, const _Alloc& __a, const _Tp& ... __t) |
| 644 | : __base_(allocator_arg_t(), __a, |
| 645 | typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 646 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 647 | typename __make_tuple_indices<0>::type(), |
| 648 | typename __make_tuple_types<tuple, 0>::type(), |
| 649 | __t... |
| 650 | ) {} |
| 651 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 652 | template <class _Alloc, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 653 | _And< |
| 654 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 655 | is_copy_constructible<_Tp>..., |
| 656 | _Not<_Lazy<_And, is_convertible<const _Tp&, _Tp>...> > // explicit check |
| 657 | >::value |
| 658 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 659 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 660 | explicit tuple(allocator_arg_t, const _Alloc& __a, const _Tp& ... __t) |
| 661 | : __base_(allocator_arg_t(), __a, |
| 662 | typename __make_tuple_indices<sizeof...(_Tp)>::type(), |
| 663 | typename __make_tuple_types<tuple, sizeof...(_Tp)>::type(), |
| 664 | typename __make_tuple_indices<0>::type(), |
| 665 | typename __make_tuple_types<tuple, 0>::type(), |
| 666 | __t... |
| 667 | ) {} |
| 668 | |
| 669 | // tuple(U&& ...) constructors (including allocator_arg_t variants) |
| 670 | template <class ..._Up> struct _IsThisTuple : false_type { }; |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 671 | template <class _Up> struct _IsThisTuple<_Up> : is_same<__remove_cvref_t<_Up>, tuple> { }; |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 672 | |
| 673 | template <class ..._Up> |
| 674 | struct _EnableUTypesCtor : _And< |
| 675 | _BoolConstant<sizeof...(_Tp) >= 1>, |
| 676 | _Not<_IsThisTuple<_Up...> >, // extension to allow mis-behaved user constructors |
| 677 | is_constructible<_Tp, _Up>... |
| 678 | > { }; |
| 679 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 680 | template <class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 681 | _And< |
| 682 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 683 | _EnableUTypesCtor<_Up...>, |
| 684 | is_convertible<_Up, _Tp>... // explicit check |
| 685 | >::value |
| 686 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 687 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 688 | tuple(_Up&&... __u) |
| 689 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 690 | : __base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 691 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 692 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 693 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 694 | _VSTD::forward<_Up>(__u)...) {} |
| 695 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 696 | template <class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 697 | _And< |
| 698 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 699 | _EnableUTypesCtor<_Up...>, |
| 700 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 701 | >::value |
| 702 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 703 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 704 | explicit tuple(_Up&&... __u) |
| 705 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 706 | : __base_(typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 707 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 708 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 709 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 710 | _VSTD::forward<_Up>(__u)...) {} |
| 711 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 712 | template <class _Alloc, class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 713 | _And< |
| 714 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 715 | _EnableUTypesCtor<_Up...>, |
| 716 | is_convertible<_Up, _Tp>... // explicit check |
| 717 | >::value |
| 718 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 719 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 720 | tuple(allocator_arg_t, const _Alloc& __a, _Up&&... __u) |
| 721 | : __base_(allocator_arg_t(), __a, |
| 722 | typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 723 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 724 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 725 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 726 | _VSTD::forward<_Up>(__u)...) {} |
| 727 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 728 | template <class _Alloc, class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 729 | _And< |
| 730 | _BoolConstant<sizeof...(_Up) == sizeof...(_Tp)>, |
| 731 | _EnableUTypesCtor<_Up...>, |
| 732 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 733 | >::value |
| 734 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 735 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 736 | explicit tuple(allocator_arg_t, const _Alloc& __a, _Up&&... __u) |
| 737 | : __base_(allocator_arg_t(), __a, |
| 738 | typename __make_tuple_indices<sizeof...(_Up)>::type(), |
| 739 | typename __make_tuple_types<tuple, sizeof...(_Up)>::type(), |
| 740 | typename __make_tuple_indices<sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 741 | typename __make_tuple_types<tuple, sizeof...(_Tp), sizeof...(_Up)>::type(), |
| 742 | _VSTD::forward<_Up>(__u)...) {} |
| 743 | |
| 744 | // Copy and move constructors (including the allocator_arg_t variants) |
| 745 | tuple(const tuple&) = default; |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 746 | tuple(tuple&&) = default; |
| 747 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 748 | template <class _Alloc, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 749 | _And<is_copy_constructible<_Tp>...>::value |
| 750 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 751 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 752 | tuple(allocator_arg_t, const _Alloc& __alloc, const tuple& __t) |
| 753 | : __base_(allocator_arg_t(), __alloc, __t) |
| 754 | { } |
| 755 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 756 | template <class _Alloc, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 757 | _And<is_move_constructible<_Tp>...>::value |
| 758 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 759 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 760 | tuple(allocator_arg_t, const _Alloc& __alloc, tuple&& __t) |
| 761 | : __base_(allocator_arg_t(), __alloc, _VSTD::move(__t)) |
| 762 | { } |
| 763 | |
| 764 | // tuple(const tuple<U...>&) constructors (including allocator_arg_t variants) |
Louis Dionne | 76450ee | 2022-06-27 09:36:52 -0400 | [diff] [blame] | 765 | |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 766 | template <class _OtherTuple, class _DecayedOtherTuple = __remove_cvref_t<_OtherTuple>, class = void> |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 767 | struct _EnableCtorFromUTypesTuple : false_type {}; |
| 768 | |
| 769 | template <class _OtherTuple, class... _Up> |
Louis Dionne | 76450ee | 2022-06-27 09:36:52 -0400 | [diff] [blame] | 770 | struct _EnableCtorFromUTypesTuple<_OtherTuple, tuple<_Up...>, |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 771 | // the length of the packs needs to checked first otherwise the 2 packs cannot be expanded simultaneously below |
| 772 | __enable_if_t<sizeof...(_Up) == sizeof...(_Tp)>> : _And< |
| 773 | // the two conditions below are not in spec. The purpose is to disable the UTypes Ctor when copy/move Ctor can work. |
| 774 | // Otherwise, is_constructible can trigger hard error in those cases https://godbolt.org/z/M94cGdKcE |
| 775 | _Not<is_same<_OtherTuple, const tuple&> >, |
| 776 | _Not<is_same<_OtherTuple, tuple&&> >, |
| 777 | is_constructible<_Tp, __copy_cvref_t<_OtherTuple, _Up> >..., |
| 778 | _Lazy<_Or, _BoolConstant<sizeof...(_Tp) != 1>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 779 | // _Tp and _Up are 1-element packs - the pack expansions look |
| 780 | // weird to avoid tripping up the type traits in degenerate cases |
| 781 | _Lazy<_And, |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 782 | _Not<is_same<_Tp, _Up> >..., |
| 783 | _Not<is_convertible<_OtherTuple, _Tp> >..., |
| 784 | _Not<is_constructible<_Tp, _OtherTuple> >... |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 785 | > |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 786 | > |
| 787 | > {}; |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 788 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 789 | template <class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 790 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 791 | _EnableCtorFromUTypesTuple<const tuple<_Up...>&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 792 | is_convertible<const _Up&, _Tp>... // explicit check |
| 793 | >::value |
| 794 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 795 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 796 | tuple(const tuple<_Up...>& __t) |
| 797 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, const _Up&>...>::value)) |
| 798 | : __base_(__t) |
| 799 | { } |
| 800 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 801 | template <class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 802 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 803 | _EnableCtorFromUTypesTuple<const tuple<_Up...>&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 804 | _Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> > // explicit check |
| 805 | >::value |
| 806 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 807 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 808 | explicit tuple(const tuple<_Up...>& __t) |
| 809 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, const _Up&>...>::value)) |
| 810 | : __base_(__t) |
| 811 | { } |
| 812 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 813 | template <class ..._Up, class _Alloc, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 814 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 815 | _EnableCtorFromUTypesTuple<const tuple<_Up...>&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 816 | is_convertible<const _Up&, _Tp>... // explicit check |
| 817 | >::value |
| 818 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 819 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 820 | tuple(allocator_arg_t, const _Alloc& __a, const tuple<_Up...>& __t) |
| 821 | : __base_(allocator_arg_t(), __a, __t) |
| 822 | { } |
Eric Fiselier | c170df5 | 2016-04-15 03:29:40 +0000 | [diff] [blame] | 823 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 824 | template <class ..._Up, class _Alloc, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 825 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 826 | _EnableCtorFromUTypesTuple<const tuple<_Up...>&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 827 | _Not<_Lazy<_And, is_convertible<const _Up&, _Tp>...> > // explicit check |
| 828 | >::value |
| 829 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 830 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 831 | explicit tuple(allocator_arg_t, const _Alloc& __a, const tuple<_Up...>& __t) |
| 832 | : __base_(allocator_arg_t(), __a, __t) |
| 833 | { } |
Louis Dionne | 668a50c | 2019-09-27 15:06:52 +0000 | [diff] [blame] | 834 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 835 | #if _LIBCPP_STD_VER > 20 |
| 836 | // tuple(tuple<U...>&) constructors (including allocator_arg_t variants) |
| 837 | |
| 838 | template <class... _Up, enable_if_t< |
| 839 | _EnableCtorFromUTypesTuple<tuple<_Up...>&>::value>* = nullptr> |
| 840 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 841 | explicit(!(is_convertible_v<_Up&, _Tp> && ...)) |
| 842 | tuple(tuple<_Up...>& __t) : __base_(__t) {} |
| 843 | |
| 844 | template <class _Alloc, class... _Up, enable_if_t< |
| 845 | _EnableCtorFromUTypesTuple<tuple<_Up...>&>::value>* = nullptr> |
| 846 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 847 | explicit(!(is_convertible_v<_Up&, _Tp> && ...)) |
| 848 | tuple(allocator_arg_t, const _Alloc& __alloc, tuple<_Up...>& __t) : __base_(allocator_arg_t(), __alloc, __t) {} |
| 849 | #endif // _LIBCPP_STD_VER > 20 |
| 850 | |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 851 | // tuple(tuple<U...>&&) constructors (including allocator_arg_t variants) |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 852 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 853 | template <class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 854 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 855 | _EnableCtorFromUTypesTuple<tuple<_Up...>&&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 856 | is_convertible<_Up, _Tp>... // explicit check |
| 857 | >::value |
| 858 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 859 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 860 | tuple(tuple<_Up...>&& __t) |
| 861 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 862 | : __base_(_VSTD::move(__t)) |
| 863 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 864 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 865 | template <class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 866 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 867 | _EnableCtorFromUTypesTuple<tuple<_Up...>&&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 868 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 869 | >::value |
| 870 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 871 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 872 | explicit tuple(tuple<_Up...>&& __t) |
| 873 | _NOEXCEPT_((_And<is_nothrow_constructible<_Tp, _Up>...>::value)) |
| 874 | : __base_(_VSTD::move(__t)) |
| 875 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 876 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 877 | template <class _Alloc, class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 878 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 879 | _EnableCtorFromUTypesTuple<tuple<_Up...>&&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 880 | is_convertible<_Up, _Tp>... // explicit check |
| 881 | >::value |
| 882 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 883 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 884 | tuple(allocator_arg_t, const _Alloc& __a, tuple<_Up...>&& __t) |
| 885 | : __base_(allocator_arg_t(), __a, _VSTD::move(__t)) |
| 886 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 887 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 888 | template <class _Alloc, class ..._Up, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 889 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 890 | _EnableCtorFromUTypesTuple<tuple<_Up...>&&>, |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 891 | _Not<_Lazy<_And, is_convertible<_Up, _Tp>...> > // explicit check |
| 892 | >::value |
| 893 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 894 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 895 | explicit tuple(allocator_arg_t, const _Alloc& __a, tuple<_Up...>&& __t) |
| 896 | : __base_(allocator_arg_t(), __a, _VSTD::move(__t)) |
| 897 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 898 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 899 | #if _LIBCPP_STD_VER > 20 |
| 900 | // tuple(const tuple<U...>&&) constructors (including allocator_arg_t variants) |
Hui Xie | a3ac922 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 901 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 902 | template <class... _Up, enable_if_t< |
| 903 | _EnableCtorFromUTypesTuple<const tuple<_Up...>&&>::value>* = nullptr> |
| 904 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 905 | explicit(!(is_convertible_v<const _Up&&, _Tp> && ...)) |
| 906 | tuple(const tuple<_Up...>&& __t) : __base_(std::move(__t)) {} |
| 907 | |
| 908 | template <class _Alloc, class... _Up, enable_if_t< |
| 909 | _EnableCtorFromUTypesTuple<const tuple<_Up...>&&>::value>* = nullptr> |
| 910 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 911 | explicit(!(is_convertible_v<const _Up&&, _Tp> && ...)) |
| 912 | tuple(allocator_arg_t, const _Alloc& __alloc, const tuple<_Up...>&& __t) |
| 913 | : __base_(allocator_arg_t(), __alloc, std::move(__t)) {} |
| 914 | #endif // _LIBCPP_STD_VER > 20 |
| 915 | |
| 916 | // tuple(const pair<U1, U2>&) constructors (including allocator_arg_t variants) |
| 917 | |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 918 | template <template <class...> class Pred, class _Pair, class _DecayedPair = __remove_cvref_t<_Pair>, class _Tuple = tuple> |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 919 | struct _CtorPredicateFromPair : false_type{}; |
| 920 | |
| 921 | template <template <class...> class Pred, class _Pair, class _Up1, class _Up2, class _Tp1, class _Tp2> |
| 922 | struct _CtorPredicateFromPair<Pred, _Pair, pair<_Up1, _Up2>, tuple<_Tp1, _Tp2> > : _And< |
| 923 | Pred<_Tp1, __copy_cvref_t<_Pair, _Up1> >, |
| 924 | Pred<_Tp2, __copy_cvref_t<_Pair, _Up2> > |
| 925 | > {}; |
| 926 | |
| 927 | template <class _Pair> |
| 928 | struct _EnableCtorFromPair : _CtorPredicateFromPair<is_constructible, _Pair>{}; |
| 929 | |
| 930 | template <class _Pair> |
| 931 | struct _NothrowConstructibleFromPair : _CtorPredicateFromPair<is_nothrow_constructible, _Pair>{}; |
| 932 | |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 933 | template <class _Pair, class _DecayedPair = __remove_cvref_t<_Pair>, class _Tuple = tuple> |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 934 | struct _BothImplicitlyConvertible : false_type{}; |
| 935 | |
| 936 | template <class _Pair, class _Up1, class _Up2, class _Tp1, class _Tp2> |
| 937 | struct _BothImplicitlyConvertible<_Pair, pair<_Up1, _Up2>, tuple<_Tp1, _Tp2> > : _And< |
| 938 | is_convertible<__copy_cvref_t<_Pair, _Up1>, _Tp1>, |
| 939 | is_convertible<__copy_cvref_t<_Pair, _Up2>, _Tp2> |
| 940 | > {}; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 941 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 942 | template <class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 943 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 944 | _EnableCtorFromPair<const pair<_Up1, _Up2>&>, |
| 945 | _BothImplicitlyConvertible<const pair<_Up1, _Up2>&> // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 946 | >::value |
| 947 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 948 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 949 | tuple(const pair<_Up1, _Up2>& __p) |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 950 | _NOEXCEPT_((_NothrowConstructibleFromPair<const pair<_Up1, _Up2>&>::value)) |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 951 | : __base_(__p) |
| 952 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 953 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 954 | template <class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 955 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 956 | _EnableCtorFromPair<const pair<_Up1, _Up2>&>, |
| 957 | _Not<_BothImplicitlyConvertible<const pair<_Up1, _Up2>&> > // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 958 | >::value |
| 959 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 960 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 961 | explicit tuple(const pair<_Up1, _Up2>& __p) |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 962 | _NOEXCEPT_((_NothrowConstructibleFromPair<const pair<_Up1, _Up2>&>::value)) |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 963 | : __base_(__p) |
| 964 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 965 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 966 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 967 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 968 | _EnableCtorFromPair<const pair<_Up1, _Up2>&>, |
| 969 | _BothImplicitlyConvertible<const pair<_Up1, _Up2>&> // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 970 | >::value |
| 971 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 972 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 973 | tuple(allocator_arg_t, const _Alloc& __a, const pair<_Up1, _Up2>& __p) |
| 974 | : __base_(allocator_arg_t(), __a, __p) |
| 975 | { } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 976 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 977 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 978 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 979 | _EnableCtorFromPair<const pair<_Up1, _Up2>&>, |
| 980 | _Not<_BothImplicitlyConvertible<const pair<_Up1, _Up2>&> > // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 981 | >::value |
| 982 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 983 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 984 | explicit tuple(allocator_arg_t, const _Alloc& __a, const pair<_Up1, _Up2>& __p) |
| 985 | : __base_(allocator_arg_t(), __a, __p) |
| 986 | { } |
Howard Hinnant | 65704d0 | 2012-04-01 23:10:42 +0000 | [diff] [blame] | 987 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 988 | #if _LIBCPP_STD_VER > 20 |
| 989 | // tuple(pair<U1, U2>&) constructors (including allocator_arg_t variants) |
Hui Xie | 39360e2 | 2022-06-23 21:54:23 +0100 | [diff] [blame] | 990 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 991 | template <class _U1, class _U2, enable_if_t< |
| 992 | _EnableCtorFromPair<pair<_U1, _U2>&>::value>* = nullptr> |
| 993 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 994 | explicit(!_BothImplicitlyConvertible<pair<_U1, _U2>&>::value) |
| 995 | tuple(pair<_U1, _U2>& __p) : __base_(__p) {} |
| 996 | |
| 997 | template <class _Alloc, class _U1, class _U2, enable_if_t< |
| 998 | _EnableCtorFromPair<std::pair<_U1, _U2>&>::value>* = nullptr> |
| 999 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1000 | explicit(!_BothImplicitlyConvertible<pair<_U1, _U2>&>::value) |
| 1001 | tuple(allocator_arg_t, const _Alloc& __alloc, pair<_U1, _U2>& __p) : __base_(allocator_arg_t(), __alloc, __p) {} |
| 1002 | #endif |
| 1003 | |
| 1004 | // tuple(pair<U1, U2>&&) constructors (including allocator_arg_t variants) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1005 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1006 | template <class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1007 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1008 | _EnableCtorFromPair<pair<_Up1, _Up2>&&>, |
| 1009 | _BothImplicitlyConvertible<pair<_Up1, _Up2>&&> // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1010 | >::value |
| 1011 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1012 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1013 | tuple(pair<_Up1, _Up2>&& __p) |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1014 | _NOEXCEPT_((_NothrowConstructibleFromPair<pair<_Up1, _Up2>&&>::value)) |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1015 | : __base_(_VSTD::move(__p)) |
| 1016 | { } |
| 1017 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1018 | template <class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1019 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1020 | _EnableCtorFromPair<pair<_Up1, _Up2>&&>, |
| 1021 | _Not<_BothImplicitlyConvertible<pair<_Up1, _Up2>&&> > // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1022 | >::value |
| 1023 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1024 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1025 | explicit tuple(pair<_Up1, _Up2>&& __p) |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1026 | _NOEXCEPT_((_NothrowConstructibleFromPair<pair<_Up1, _Up2>&&>::value)) |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1027 | : __base_(_VSTD::move(__p)) |
| 1028 | { } |
| 1029 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1030 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1031 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1032 | _EnableCtorFromPair<pair<_Up1, _Up2>&&>, |
| 1033 | _BothImplicitlyConvertible<pair<_Up1, _Up2>&&> // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1034 | >::value |
| 1035 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1036 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1037 | tuple(allocator_arg_t, const _Alloc& __a, pair<_Up1, _Up2>&& __p) |
| 1038 | : __base_(allocator_arg_t(), __a, _VSTD::move(__p)) |
| 1039 | { } |
| 1040 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1041 | template <class _Alloc, class _Up1, class _Up2, template<class...> class _And = _And, __enable_if_t< |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1042 | _And< |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1043 | _EnableCtorFromPair<pair<_Up1, _Up2>&&>, |
| 1044 | _Not<_BothImplicitlyConvertible<pair<_Up1, _Up2>&&> > // explicit check |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1045 | >::value |
| 1046 | , int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1047 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 574e2e3 | 2021-02-10 16:19:50 -0500 | [diff] [blame] | 1048 | explicit tuple(allocator_arg_t, const _Alloc& __a, pair<_Up1, _Up2>&& __p) |
| 1049 | : __base_(allocator_arg_t(), __a, _VSTD::move(__p)) |
| 1050 | { } |
Eric Fiselier | 8e6a5f0 | 2016-04-19 01:19:25 +0000 | [diff] [blame] | 1051 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1052 | #if _LIBCPP_STD_VER > 20 |
| 1053 | // tuple(const pair<U1, U2>&&) constructors (including allocator_arg_t variants) |
| 1054 | |
| 1055 | template <class _U1, class _U2, enable_if_t< |
| 1056 | _EnableCtorFromPair<const pair<_U1, _U2>&&>::value>* = nullptr> |
| 1057 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1058 | explicit(!_BothImplicitlyConvertible<const pair<_U1, _U2>&&>::value) |
| 1059 | tuple(const pair<_U1, _U2>&& __p) : __base_(std::move(__p)) {} |
| 1060 | |
| 1061 | template <class _Alloc, class _U1, class _U2, enable_if_t< |
| 1062 | _EnableCtorFromPair<const pair<_U1, _U2>&&>::value>* = nullptr> |
| 1063 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1064 | explicit(!_BothImplicitlyConvertible<const pair<_U1, _U2>&&>::value) |
| 1065 | tuple(allocator_arg_t, const _Alloc& __alloc, const pair<_U1, _U2>&& __p) |
| 1066 | : __base_(allocator_arg_t(), __alloc, std::move(__p)) {} |
| 1067 | #endif // _LIBCPP_STD_VER > 20 |
| 1068 | |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1069 | // [tuple.assign] |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1070 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1071 | tuple& operator=(_If<_And<is_copy_assignable<_Tp>...>::value, tuple, __nat> const& __tuple) |
| 1072 | _NOEXCEPT_((_And<is_nothrow_copy_assignable<_Tp>...>::value)) |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 1073 | { |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1074 | _VSTD::__memberwise_copy_assign(*this, __tuple, |
| 1075 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 1076 | return *this; |
| 1077 | } |
| 1078 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1079 | #if _LIBCPP_STD_VER > 20 |
| 1080 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1081 | const tuple& operator=(tuple const& __tuple) const |
| 1082 | requires (_And<is_copy_assignable<const _Tp>...>::value) { |
| 1083 | std::__memberwise_copy_assign(*this, __tuple, typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1084 | return *this; |
| 1085 | } |
| 1086 | |
| 1087 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1088 | const tuple& operator=(tuple&& __tuple) const |
| 1089 | requires (_And<is_assignable<const _Tp&, _Tp>...>::value) { |
| 1090 | std::__memberwise_forward_assign(*this, |
| 1091 | std::move(__tuple), |
| 1092 | __tuple_types<_Tp...>(), |
| 1093 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1094 | return *this; |
| 1095 | } |
| 1096 | #endif // _LIBCPP_STD_VER > 20 |
| 1097 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1098 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1099 | tuple& operator=(_If<_And<is_move_assignable<_Tp>...>::value, tuple, __nat>&& __tuple) |
| 1100 | _NOEXCEPT_((_And<is_nothrow_move_assignable<_Tp>...>::value)) |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 1101 | { |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1102 | _VSTD::__memberwise_forward_assign(*this, _VSTD::move(__tuple), |
| 1103 | __tuple_types<_Tp...>(), |
| 1104 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
Eric Fiselier | 737a16d | 2016-07-25 02:36:42 +0000 | [diff] [blame] | 1105 | return *this; |
| 1106 | } |
| 1107 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1108 | template<class... _Up, __enable_if_t< |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1109 | _And< |
| 1110 | _BoolConstant<sizeof...(_Tp) == sizeof...(_Up)>, |
| 1111 | is_assignable<_Tp&, _Up const&>... |
| 1112 | >::value |
| 1113 | ,int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1114 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1115 | tuple& operator=(tuple<_Up...> const& __tuple) |
| 1116 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up const&>...>::value)) |
| 1117 | { |
| 1118 | _VSTD::__memberwise_copy_assign(*this, __tuple, |
| 1119 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1120 | return *this; |
| 1121 | } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1122 | |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1123 | template<class... _Up, __enable_if_t< |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1124 | _And< |
| 1125 | _BoolConstant<sizeof...(_Tp) == sizeof...(_Up)>, |
| 1126 | is_assignable<_Tp&, _Up>... |
| 1127 | >::value |
| 1128 | ,int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1129 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1130 | tuple& operator=(tuple<_Up...>&& __tuple) |
| 1131 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up>...>::value)) |
| 1132 | { |
| 1133 | _VSTD::__memberwise_forward_assign(*this, _VSTD::move(__tuple), |
| 1134 | __tuple_types<_Up...>(), |
| 1135 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1136 | return *this; |
| 1137 | } |
| 1138 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1139 | |
| 1140 | #if _LIBCPP_STD_VER > 20 |
| 1141 | template <class... _UTypes, enable_if_t< |
| 1142 | _And<_BoolConstant<sizeof...(_Tp) == sizeof...(_UTypes)>, |
| 1143 | is_assignable<const _Tp&, const _UTypes&>...>::value>* = nullptr> |
| 1144 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1145 | const tuple& operator=(const tuple<_UTypes...>& __u) const { |
| 1146 | std::__memberwise_copy_assign(*this, |
| 1147 | __u, |
| 1148 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1149 | return *this; |
| 1150 | } |
| 1151 | |
| 1152 | template <class... _UTypes, enable_if_t< |
| 1153 | _And<_BoolConstant<sizeof...(_Tp) == sizeof...(_UTypes)>, |
| 1154 | is_assignable<const _Tp&, _UTypes>...>::value>* = nullptr> |
| 1155 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1156 | const tuple& operator=(tuple<_UTypes...>&& __u) const { |
| 1157 | std::__memberwise_forward_assign(*this, |
| 1158 | __u, |
| 1159 | __tuple_types<_UTypes...>(), |
| 1160 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1161 | return *this; |
| 1162 | } |
| 1163 | #endif // _LIBCPP_STD_VER > 20 |
| 1164 | |
Louis Dionne | 76450ee | 2022-06-27 09:36:52 -0400 | [diff] [blame] | 1165 | template <template<class...> class Pred, bool _Const, |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1166 | class _Pair, class _DecayedPair = __remove_cvref_t<_Pair>, class _Tuple = tuple> |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1167 | struct _AssignPredicateFromPair : false_type {}; |
| 1168 | |
Louis Dionne | 76450ee | 2022-06-27 09:36:52 -0400 | [diff] [blame] | 1169 | template <template<class...> class Pred, bool _Const, |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1170 | class _Pair, class _Up1, class _Up2, class _Tp1, class _Tp2> |
Louis Dionne | 76450ee | 2022-06-27 09:36:52 -0400 | [diff] [blame] | 1171 | struct _AssignPredicateFromPair<Pred, _Const, _Pair, pair<_Up1, _Up2>, tuple<_Tp1, _Tp2> > : |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1172 | _And<Pred<__maybe_const<_Const, _Tp1>&, __copy_cvref_t<_Pair, _Up1> >, |
| 1173 | Pred<__maybe_const<_Const, _Tp2>&, __copy_cvref_t<_Pair, _Up2> > |
| 1174 | > {}; |
| 1175 | |
| 1176 | template <bool _Const, class _Pair> |
| 1177 | struct _EnableAssignFromPair : _AssignPredicateFromPair<is_assignable, _Const, _Pair> {}; |
| 1178 | |
| 1179 | template <bool _Const, class _Pair> |
| 1180 | struct _NothrowAssignFromPair : _AssignPredicateFromPair<is_nothrow_assignable, _Const, _Pair> {}; |
| 1181 | |
| 1182 | #if _LIBCPP_STD_VER > 20 |
| 1183 | template <class _U1, class _U2, enable_if_t< |
| 1184 | _EnableAssignFromPair<true, const pair<_U1, _U2>&>::value>* = nullptr> |
| 1185 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1186 | const tuple& operator=(const pair<_U1, _U2>& __pair) const |
| 1187 | noexcept(_NothrowAssignFromPair<true, const pair<_U1, _U2>&>::value) { |
| 1188 | std::get<0>(*this) = __pair.first; |
| 1189 | std::get<1>(*this) = __pair.second; |
| 1190 | return *this; |
| 1191 | } |
| 1192 | |
| 1193 | template <class _U1, class _U2, enable_if_t< |
| 1194 | _EnableAssignFromPair<true, pair<_U1, _U2>&&>::value>* = nullptr> |
| 1195 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1196 | const tuple& operator=(pair<_U1, _U2>&& __pair) const |
| 1197 | noexcept(_NothrowAssignFromPair<true, pair<_U1, _U2>&&>::value) { |
| 1198 | std::get<0>(*this) = std::move(__pair.first); |
| 1199 | std::get<1>(*this) = std::move(__pair.second); |
| 1200 | return *this; |
| 1201 | } |
| 1202 | #endif // _LIBCPP_STD_VER > 20 |
| 1203 | |
| 1204 | template<class _Up1, class _Up2, __enable_if_t< |
| 1205 | _EnableAssignFromPair<false, pair<_Up1, _Up2> const&>::value |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1206 | ,int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1207 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1208 | tuple& operator=(pair<_Up1, _Up2> const& __pair) |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1209 | _NOEXCEPT_((_NothrowAssignFromPair<false, pair<_Up1, _Up2> const&>::value)) |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1210 | { |
| 1211 | _VSTD::get<0>(*this) = __pair.first; |
| 1212 | _VSTD::get<1>(*this) = __pair.second; |
| 1213 | return *this; |
| 1214 | } |
| 1215 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1216 | template<class _Up1, class _Up2, __enable_if_t< |
| 1217 | _EnableAssignFromPair<false, pair<_Up1, _Up2>&&>::value |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1218 | ,int> = 0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1219 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1220 | tuple& operator=(pair<_Up1, _Up2>&& __pair) |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1221 | _NOEXCEPT_((_NothrowAssignFromPair<false, pair<_Up1, _Up2>&&>::value)) |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1222 | { |
Louis Dionne | 3b8af4d | 2021-02-24 14:53:21 -0500 | [diff] [blame] | 1223 | _VSTD::get<0>(*this) = _VSTD::forward<_Up1>(__pair.first); |
| 1224 | _VSTD::get<1>(*this) = _VSTD::forward<_Up2>(__pair.second); |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1225 | return *this; |
| 1226 | } |
| 1227 | |
| 1228 | // EXTENSION |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1229 | template<class _Up, size_t _Np, class = __enable_if_t< |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1230 | _And< |
| 1231 | _BoolConstant<_Np == sizeof...(_Tp)>, |
| 1232 | is_assignable<_Tp&, _Up const&>... |
| 1233 | >::value |
| 1234 | > > |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1235 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1236 | tuple& operator=(array<_Up, _Np> const& __array) |
| 1237 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up const&>...>::value)) |
| 1238 | { |
| 1239 | _VSTD::__memberwise_copy_assign(*this, __array, |
| 1240 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1241 | return *this; |
| 1242 | } |
| 1243 | |
| 1244 | // EXTENSION |
Louis Dionne | 9ce598d | 2021-09-08 09:14:43 -0400 | [diff] [blame] | 1245 | template<class _Up, size_t _Np, class = void, class = __enable_if_t< |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1246 | _And< |
| 1247 | _BoolConstant<_Np == sizeof...(_Tp)>, |
| 1248 | is_assignable<_Tp&, _Up>... |
| 1249 | >::value |
| 1250 | > > |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1251 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Louis Dionne | 6c0d534 | 2018-07-31 11:56:20 -0400 | [diff] [blame] | 1252 | tuple& operator=(array<_Up, _Np>&& __array) |
| 1253 | _NOEXCEPT_((_And<is_nothrow_assignable<_Tp&, _Up>...>::value)) |
| 1254 | { |
| 1255 | _VSTD::__memberwise_forward_assign(*this, _VSTD::move(__array), |
| 1256 | __tuple_types<_If<true, _Up, _Tp>...>(), |
| 1257 | typename __make_tuple_indices<sizeof...(_Tp)>::type()); |
| 1258 | return *this; |
| 1259 | } |
| 1260 | |
| 1261 | // [tuple.swap] |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1262 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 1263 | void swap(tuple& __t) _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1264 | {__base_.swap(__t.__base_);} |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1265 | |
| 1266 | #if _LIBCPP_STD_VER > 20 |
| 1267 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1268 | void swap(const tuple& __t) const noexcept(__all<is_nothrow_swappable_v<const _Tp&>...>::value) { |
| 1269 | __base_.swap(__t.__base_); |
| 1270 | } |
| 1271 | #endif // _LIBCPP_STD_VER > 20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1272 | }; |
| 1273 | |
| 1274 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 1275 | class _LIBCPP_TEMPLATE_VIS tuple<> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1276 | { |
| 1277 | public: |
Arthur O'Dwyer | 20638cc | 2021-02-09 19:12:16 -0500 | [diff] [blame] | 1278 | _LIBCPP_INLINE_VISIBILITY constexpr |
| 1279 | tuple() _NOEXCEPT = default; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1280 | template <class _Alloc> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1281 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1282 | tuple(allocator_arg_t, const _Alloc&) _NOEXCEPT {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1283 | template <class _Alloc> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1284 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1285 | tuple(allocator_arg_t, const _Alloc&, const tuple&) _NOEXCEPT {} |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1286 | template <class _Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1287 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1288 | tuple(array<_Up, 0>) _NOEXCEPT {} |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1289 | template <class _Alloc, class _Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1290 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1291 | tuple(allocator_arg_t, const _Alloc&, array<_Up, 0>) _NOEXCEPT {} |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1292 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 1293 | void swap(tuple&) _NOEXCEPT {} |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1294 | #if _LIBCPP_STD_VER > 20 |
| 1295 | _LIBCPP_HIDE_FROM_ABI constexpr void swap(const tuple&) const noexcept {} |
| 1296 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1297 | }; |
| 1298 | |
Joe Loser | d9b3d97 | 2022-03-12 10:46:57 -0500 | [diff] [blame] | 1299 | #if _LIBCPP_STD_VER > 20 |
Nikolas Klauser | ad26ba5 | 2022-01-17 19:45:42 +0100 | [diff] [blame] | 1300 | template <class... _TTypes, class... _UTypes, template<class> class _TQual, template<class> class _UQual> |
| 1301 | requires requires { typename tuple<common_reference_t<_TQual<_TTypes>, _UQual<_UTypes>>...>; } |
| 1302 | struct basic_common_reference<tuple<_TTypes...>, tuple<_UTypes...>, _TQual, _UQual> { |
| 1303 | using type = tuple<common_reference_t<_TQual<_TTypes>, _UQual<_UTypes>>...>; |
| 1304 | }; |
| 1305 | |
| 1306 | template <class... _TTypes, class... _UTypes> |
| 1307 | requires requires { typename tuple<common_type_t<_TTypes, _UTypes>...>; } |
| 1308 | struct common_type<tuple<_TTypes...>, tuple<_UTypes...>> { |
| 1309 | using type = tuple<common_type_t<_TTypes, _UTypes>...>; |
| 1310 | }; |
Joe Loser | d9b3d97 | 2022-03-12 10:46:57 -0500 | [diff] [blame] | 1311 | #endif // _LIBCPP_STD_VER > 20 |
Nikolas Klauser | ad26ba5 | 2022-01-17 19:45:42 +0100 | [diff] [blame] | 1312 | |
| 1313 | #if _LIBCPP_STD_VER > 14 |
Louis Dionne | 616da2a | 2019-08-12 18:30:31 +0000 | [diff] [blame] | 1314 | template <class ..._Tp> |
| 1315 | tuple(_Tp...) -> tuple<_Tp...>; |
| 1316 | template <class _Tp1, class _Tp2> |
| 1317 | tuple(pair<_Tp1, _Tp2>) -> tuple<_Tp1, _Tp2>; |
| 1318 | template <class _Alloc, class ..._Tp> |
| 1319 | tuple(allocator_arg_t, _Alloc, _Tp...) -> tuple<_Tp...>; |
| 1320 | template <class _Alloc, class _Tp1, class _Tp2> |
| 1321 | tuple(allocator_arg_t, _Alloc, pair<_Tp1, _Tp2>) -> tuple<_Tp1, _Tp2>; |
| 1322 | template <class _Alloc, class ..._Tp> |
| 1323 | tuple(allocator_arg_t, _Alloc, tuple<_Tp...>) -> tuple<_Tp...>; |
Eric Fiselier | 9a5075c | 2017-06-08 07:18:17 +0000 | [diff] [blame] | 1324 | #endif |
| 1325 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1326 | template <class ..._Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1327 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Nikolas Klauser | 7537c9c | 2022-07-04 01:21:44 +0200 | [diff] [blame] | 1328 | __enable_if_t<__all<__is_swappable<_Tp>::value...>::value, void> |
Howard Hinnant | 89ef121 | 2011-05-27 19:08:18 +0000 | [diff] [blame] | 1329 | swap(tuple<_Tp...>& __t, tuple<_Tp...>& __u) |
| 1330 | _NOEXCEPT_(__all<__is_nothrow_swappable<_Tp>::value...>::value) |
| 1331 | {__t.swap(__u);} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1332 | |
Hui Xie | d1637a8 | 2022-05-12 13:23:11 +0100 | [diff] [blame] | 1333 | #if _LIBCPP_STD_VER > 20 |
| 1334 | template <class... _Tp> |
| 1335 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1336 | enable_if_t<__all<is_swappable_v<const _Tp>...>::value, void> |
| 1337 | swap(const tuple<_Tp...>& __lhs, const tuple<_Tp...>& __rhs) |
| 1338 | noexcept(__all<is_nothrow_swappable_v<const _Tp>...>::value) { |
| 1339 | __lhs.swap(__rhs); |
| 1340 | } |
| 1341 | #endif |
| 1342 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1343 | // get |
| 1344 | |
| 1345 | template <size_t _Ip, class ..._Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1346 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1347 | typename tuple_element<_Ip, tuple<_Tp...> >::type& |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1348 | get(tuple<_Tp...>& __t) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1349 | { |
Louis Dionne | a6c4ace | 2021-08-31 10:32:11 -0400 | [diff] [blame] | 1350 | typedef _LIBCPP_NODEBUG typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1351 | return static_cast<__tuple_leaf<_Ip, type>&>(__t.__base_).get(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1352 | } |
| 1353 | |
| 1354 | template <size_t _Ip, class ..._Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1355 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1356 | const typename tuple_element<_Ip, tuple<_Tp...> >::type& |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1357 | get(const tuple<_Tp...>& __t) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1358 | { |
Louis Dionne | a6c4ace | 2021-08-31 10:32:11 -0400 | [diff] [blame] | 1359 | typedef _LIBCPP_NODEBUG typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1360 | return static_cast<const __tuple_leaf<_Ip, type>&>(__t.__base_).get(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1361 | } |
| 1362 | |
Howard Hinnant | 22e9724 | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 1363 | template <size_t _Ip, class ..._Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1364 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1365 | typename tuple_element<_Ip, tuple<_Tp...> >::type&& |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 1366 | get(tuple<_Tp...>&& __t) _NOEXCEPT |
Howard Hinnant | 22e9724 | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 1367 | { |
Louis Dionne | a6c4ace | 2021-08-31 10:32:11 -0400 | [diff] [blame] | 1368 | typedef _LIBCPP_NODEBUG typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Howard Hinnant | b574f9a | 2011-01-25 16:31:30 +0000 | [diff] [blame] | 1369 | return static_cast<type&&>( |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1370 | static_cast<__tuple_leaf<_Ip, type>&&>(__t.__base_).get()); |
Howard Hinnant | 22e9724 | 2010-11-17 19:52:17 +0000 | [diff] [blame] | 1371 | } |
| 1372 | |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1373 | template <size_t _Ip, class ..._Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1374 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1375 | const typename tuple_element<_Ip, tuple<_Tp...> >::type&& |
| 1376 | get(const tuple<_Tp...>&& __t) _NOEXCEPT |
| 1377 | { |
Louis Dionne | a6c4ace | 2021-08-31 10:32:11 -0400 | [diff] [blame] | 1378 | typedef _LIBCPP_NODEBUG typename tuple_element<_Ip, tuple<_Tp...> >::type type; |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1379 | return static_cast<const type&&>( |
Eric Fiselier | 3e0d437 | 2017-06-01 02:14:21 +0000 | [diff] [blame] | 1380 | static_cast<const __tuple_leaf<_Ip, type>&&>(__t.__base_).get()); |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1381 | } |
| 1382 | |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1383 | #if _LIBCPP_STD_VER > 11 |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1384 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1385 | namespace __find_detail { |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1386 | |
Louis Dionne | 7dd28aa | 2021-07-20 11:46:05 -0400 | [diff] [blame] | 1387 | static constexpr size_t __not_found = static_cast<size_t>(-1); |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1388 | static constexpr size_t __ambiguous = __not_found - 1; |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1389 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1390 | inline _LIBCPP_INLINE_VISIBILITY |
| 1391 | constexpr size_t __find_idx_return(size_t __curr_i, size_t __res, bool __matches) { |
| 1392 | return !__matches ? __res : |
| 1393 | (__res == __not_found ? __curr_i : __ambiguous); |
| 1394 | } |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1395 | |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1396 | template <size_t _Nx> |
| 1397 | inline _LIBCPP_INLINE_VISIBILITY |
| 1398 | constexpr size_t __find_idx(size_t __i, const bool (&__matches)[_Nx]) { |
| 1399 | return __i == _Nx ? __not_found : |
| 1400 | __find_idx_return(__i, __find_idx(__i + 1, __matches), __matches[__i]); |
| 1401 | } |
| 1402 | |
| 1403 | template <class _T1, class ..._Args> |
| 1404 | struct __find_exactly_one_checked { |
Casey Carter | 7b5a748 | 2017-12-12 17:22:24 +0000 | [diff] [blame] | 1405 | static constexpr bool __matches[sizeof...(_Args)] = {is_same<_T1, _Args>::value...}; |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1406 | static constexpr size_t value = __find_detail::__find_idx(0, __matches); |
Casey Carter | 7b5a748 | 2017-12-12 17:22:24 +0000 | [diff] [blame] | 1407 | static_assert(value != __not_found, "type not found in type list" ); |
| 1408 | static_assert(value != __ambiguous, "type occurs more than once in type list"); |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1409 | }; |
| 1410 | |
Eric Fiselier | 8087d30 | 2016-07-02 03:46:08 +0000 | [diff] [blame] | 1411 | template <class _T1> |
| 1412 | struct __find_exactly_one_checked<_T1> { |
| 1413 | static_assert(!is_same<_T1, _T1>::value, "type not in empty type list"); |
| 1414 | }; |
| 1415 | |
Nikolas Klauser | d26407a | 2021-12-02 14:12:51 +0100 | [diff] [blame] | 1416 | } // namespace __find_detail |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1417 | |
| 1418 | template <typename _T1, typename... _Args> |
Eric Fiselier | 2d0e204 | 2016-07-02 03:18:30 +0000 | [diff] [blame] | 1419 | struct __find_exactly_one_t |
| 1420 | : public __find_detail::__find_exactly_one_checked<_T1, _Args...> { |
| 1421 | }; |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1422 | |
| 1423 | template <class _T1, class... _Args> |
| 1424 | inline _LIBCPP_INLINE_VISIBILITY |
| 1425 | constexpr _T1& get(tuple<_Args...>& __tup) noexcept |
| 1426 | { |
| 1427 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); |
| 1428 | } |
| 1429 | |
| 1430 | template <class _T1, class... _Args> |
| 1431 | inline _LIBCPP_INLINE_VISIBILITY |
| 1432 | constexpr _T1 const& get(tuple<_Args...> const& __tup) noexcept |
| 1433 | { |
| 1434 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(__tup); |
| 1435 | } |
| 1436 | |
| 1437 | template <class _T1, class... _Args> |
| 1438 | inline _LIBCPP_INLINE_VISIBILITY |
| 1439 | constexpr _T1&& get(tuple<_Args...>&& __tup) noexcept |
| 1440 | { |
Marshall Clow | fe9aa37 | 2013-07-15 20:46:11 +0000 | [diff] [blame] | 1441 | 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] | 1442 | } |
| 1443 | |
Eric Fiselier | 6dea809 | 2015-12-18 00:36:55 +0000 | [diff] [blame] | 1444 | template <class _T1, class... _Args> |
| 1445 | inline _LIBCPP_INLINE_VISIBILITY |
| 1446 | constexpr _T1 const&& get(tuple<_Args...> const&& __tup) noexcept |
| 1447 | { |
| 1448 | return _VSTD::get<__find_exactly_one_t<_T1, _Args...>::value>(_VSTD::move(__tup)); |
| 1449 | } |
| 1450 | |
Marshall Clow | 15b02e0 | 2013-07-13 02:54:05 +0000 | [diff] [blame] | 1451 | #endif |
| 1452 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1453 | // tie |
| 1454 | |
| 1455 | template <class ..._Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1456 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1457 | tuple<_Tp&...> |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1458 | tie(_Tp&... __t) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1459 | { |
| 1460 | return tuple<_Tp&...>(__t...); |
| 1461 | } |
| 1462 | |
| 1463 | template <class _Up> |
| 1464 | struct __ignore_t |
| 1465 | { |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1466 | template <class _Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1467 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Eric Fiselier | 24e7026 | 2017-02-06 01:25:31 +0000 | [diff] [blame] | 1468 | const __ignore_t& operator=(_Tp&&) const {return *this;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1469 | }; |
| 1470 | |
Eric Fiselier | 24e7026 | 2017-02-06 01:25:31 +0000 | [diff] [blame] | 1471 | namespace { |
Louis Dionne | 559be10 | 2021-09-22 09:35:32 -0400 | [diff] [blame] | 1472 | constexpr __ignore_t<unsigned char> ignore = __ignore_t<unsigned char>(); |
Nikolas Klauser | d26407a | 2021-12-02 14:12:51 +0100 | [diff] [blame] | 1473 | } // namespace |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1474 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1475 | template <class... _Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1476 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Louis Dionne | db1892a | 2018-12-03 14:03:27 +0000 | [diff] [blame] | 1477 | tuple<typename __unwrap_ref_decay<_Tp>::type...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1478 | make_tuple(_Tp&&... __t) |
| 1479 | { |
Louis Dionne | db1892a | 2018-12-03 14:03:27 +0000 | [diff] [blame] | 1480 | return tuple<typename __unwrap_ref_decay<_Tp>::type...>(_VSTD::forward<_Tp>(__t)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1481 | } |
| 1482 | |
Howard Hinnant | 3d203a3 | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 1483 | template <class... _Tp> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1484 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Marshall Clow | 2229cee | 2013-07-22 16:02:19 +0000 | [diff] [blame] | 1485 | tuple<_Tp&&...> |
Howard Hinnant | 6275164 | 2012-07-06 21:53:48 +0000 | [diff] [blame] | 1486 | forward_as_tuple(_Tp&&... __t) _NOEXCEPT |
Howard Hinnant | 3d203a3 | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 1487 | { |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1488 | return tuple<_Tp&&...>(_VSTD::forward<_Tp>(__t)...); |
Howard Hinnant | 3d203a3 | 2010-08-19 18:59:38 +0000 | [diff] [blame] | 1489 | } |
| 1490 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1491 | template <size_t _Ip> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1492 | struct __tuple_equal |
| 1493 | { |
| 1494 | template <class _Tp, class _Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1495 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1496 | bool operator()(const _Tp& __x, const _Up& __y) |
| 1497 | { |
Marshall Clow | 60e4aa7 | 2014-06-24 00:46:19 +0000 | [diff] [blame] | 1498 | 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] | 1499 | } |
| 1500 | }; |
| 1501 | |
| 1502 | template <> |
| 1503 | struct __tuple_equal<0> |
| 1504 | { |
| 1505 | template <class _Tp, class _Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1506 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1507 | bool operator()(const _Tp&, const _Up&) |
| 1508 | { |
| 1509 | return true; |
| 1510 | } |
| 1511 | }; |
| 1512 | |
| 1513 | template <class ..._Tp, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1514 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1515 | bool |
| 1516 | operator==(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1517 | { |
Marshall Clow | 8ee1ddd | 2019-02-07 19:03:48 +0000 | [diff] [blame] | 1518 | 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] | 1519 | return __tuple_equal<sizeof...(_Tp)>()(__x, __y); |
| 1520 | } |
| 1521 | |
Joe Loser | d9b3d97 | 2022-03-12 10:46:57 -0500 | [diff] [blame] | 1522 | #if _LIBCPP_STD_VER > 17 |
Kent Ross | 0861b0d | 2021-10-08 14:54:28 -0700 | [diff] [blame] | 1523 | |
| 1524 | // operator<=> |
| 1525 | |
| 1526 | template <class ..._Tp, class ..._Up, size_t ..._Is> |
| 1527 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1528 | auto |
| 1529 | __tuple_compare_three_way(const tuple<_Tp...>& __x, const tuple<_Up...>& __y, index_sequence<_Is...>) { |
| 1530 | common_comparison_category_t<__synth_three_way_result<_Tp, _Up>...> __result = strong_ordering::equal; |
| 1531 | static_cast<void>(((__result = _VSTD::__synth_three_way(_VSTD::get<_Is>(__x), _VSTD::get<_Is>(__y)), __result != 0) || ...)); |
| 1532 | return __result; |
| 1533 | } |
| 1534 | |
| 1535 | template <class ..._Tp, class ..._Up> |
| 1536 | requires (sizeof...(_Tp) == sizeof...(_Up)) |
| 1537 | _LIBCPP_HIDE_FROM_ABI constexpr |
| 1538 | common_comparison_category_t<__synth_three_way_result<_Tp, _Up>...> |
| 1539 | operator<=>(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1540 | { |
| 1541 | return _VSTD::__tuple_compare_three_way(__x, __y, index_sequence_for<_Tp...>{}); |
| 1542 | } |
| 1543 | |
Joe Loser | d9b3d97 | 2022-03-12 10:46:57 -0500 | [diff] [blame] | 1544 | #else // _LIBCPP_STD_VER > 17 |
Kent Ross | 0861b0d | 2021-10-08 14:54:28 -0700 | [diff] [blame] | 1545 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1546 | template <class ..._Tp, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1547 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1548 | bool |
| 1549 | operator!=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1550 | { |
| 1551 | return !(__x == __y); |
| 1552 | } |
| 1553 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1554 | template <size_t _Ip> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1555 | struct __tuple_less |
| 1556 | { |
| 1557 | template <class _Tp, class _Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1558 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1559 | bool operator()(const _Tp& __x, const _Up& __y) |
| 1560 | { |
Duncan P. N. Exon Smith | 6d3ec09 | 2015-01-21 02:51:17 +0000 | [diff] [blame] | 1561 | const size_t __idx = tuple_size<_Tp>::value - _Ip; |
| 1562 | if (_VSTD::get<__idx>(__x) < _VSTD::get<__idx>(__y)) |
| 1563 | return true; |
| 1564 | if (_VSTD::get<__idx>(__y) < _VSTD::get<__idx>(__x)) |
| 1565 | return false; |
| 1566 | return __tuple_less<_Ip-1>()(__x, __y); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1567 | } |
| 1568 | }; |
| 1569 | |
| 1570 | template <> |
| 1571 | struct __tuple_less<0> |
| 1572 | { |
| 1573 | template <class _Tp, class _Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1574 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1575 | bool operator()(const _Tp&, const _Up&) |
| 1576 | { |
| 1577 | return false; |
| 1578 | } |
| 1579 | }; |
| 1580 | |
| 1581 | template <class ..._Tp, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1582 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1583 | bool |
| 1584 | operator<(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1585 | { |
Marshall Clow | 8ee1ddd | 2019-02-07 19:03:48 +0000 | [diff] [blame] | 1586 | 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] | 1587 | return __tuple_less<sizeof...(_Tp)>()(__x, __y); |
| 1588 | } |
| 1589 | |
| 1590 | template <class ..._Tp, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1591 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1592 | bool |
| 1593 | operator>(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1594 | { |
| 1595 | return __y < __x; |
| 1596 | } |
| 1597 | |
| 1598 | template <class ..._Tp, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1599 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1600 | bool |
| 1601 | operator>=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1602 | { |
| 1603 | return !(__x < __y); |
| 1604 | } |
| 1605 | |
| 1606 | template <class ..._Tp, class ..._Up> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1607 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1608 | bool |
| 1609 | operator<=(const tuple<_Tp...>& __x, const tuple<_Up...>& __y) |
| 1610 | { |
| 1611 | return !(__y < __x); |
| 1612 | } |
| 1613 | |
Joe Loser | d9b3d97 | 2022-03-12 10:46:57 -0500 | [diff] [blame] | 1614 | #endif // _LIBCPP_STD_VER > 17 |
Kent Ross | 0861b0d | 2021-10-08 14:54:28 -0700 | [diff] [blame] | 1615 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1616 | // tuple_cat |
| 1617 | |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1618 | template <class _Tp, class _Up> struct __tuple_cat_type; |
| 1619 | |
| 1620 | template <class ..._Ttypes, class ..._Utypes> |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1621 | struct __tuple_cat_type<tuple<_Ttypes...>, __tuple_types<_Utypes...> > |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1622 | { |
Louis Dionne | a6c4ace | 2021-08-31 10:32:11 -0400 | [diff] [blame] | 1623 | typedef _LIBCPP_NODEBUG tuple<_Ttypes..., _Utypes...> type; |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1624 | }; |
| 1625 | |
| 1626 | template <class _ResultTuple, bool _Is_Tuple0TupleLike, class ..._Tuples> |
| 1627 | struct __tuple_cat_return_1 |
| 1628 | { |
| 1629 | }; |
| 1630 | |
| 1631 | template <class ..._Types, class _Tuple0> |
| 1632 | struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0> |
| 1633 | { |
Nikolas Klauser | 669b445 | 2022-02-17 22:53:20 +0100 | [diff] [blame] | 1634 | using type _LIBCPP_NODEBUG = typename __tuple_cat_type< |
| 1635 | tuple<_Types...>, |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1636 | typename __make_tuple_types<__remove_cvref_t<_Tuple0> >::type |
Nikolas Klauser | 669b445 | 2022-02-17 22:53:20 +0100 | [diff] [blame] | 1637 | >::type; |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1638 | }; |
| 1639 | |
| 1640 | template <class ..._Types, class _Tuple0, class _Tuple1, class ..._Tuples> |
| 1641 | struct __tuple_cat_return_1<tuple<_Types...>, true, _Tuple0, _Tuple1, _Tuples...> |
| 1642 | : public __tuple_cat_return_1< |
| 1643 | typename __tuple_cat_type< |
| 1644 | tuple<_Types...>, |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1645 | typename __make_tuple_types<__remove_cvref_t<_Tuple0> >::type |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1646 | >::type, |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1647 | __tuple_like<__libcpp_remove_reference_t<_Tuple1> >::value, |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1648 | _Tuple1, _Tuples...> |
| 1649 | { |
| 1650 | }; |
| 1651 | |
| 1652 | template <class ..._Tuples> struct __tuple_cat_return; |
| 1653 | |
| 1654 | template <class _Tuple0, class ..._Tuples> |
| 1655 | struct __tuple_cat_return<_Tuple0, _Tuples...> |
| 1656 | : public __tuple_cat_return_1<tuple<>, |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1657 | __tuple_like<__libcpp_remove_reference_t<_Tuple0> >::value, _Tuple0, |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1658 | _Tuples...> |
| 1659 | { |
| 1660 | }; |
| 1661 | |
| 1662 | template <> |
| 1663 | struct __tuple_cat_return<> |
| 1664 | { |
Louis Dionne | a6c4ace | 2021-08-31 10:32:11 -0400 | [diff] [blame] | 1665 | typedef _LIBCPP_NODEBUG tuple<> type; |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1666 | }; |
| 1667 | |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1668 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 6256ee7 | 2010-12-11 20:47:50 +0000 | [diff] [blame] | 1669 | tuple<> |
| 1670 | tuple_cat() |
| 1671 | { |
| 1672 | return tuple<>(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1673 | } |
| 1674 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1675 | template <class _Rp, class _Indices, class _Tuple0, class ..._Tuples> |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1676 | struct __tuple_cat_return_ref_imp; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1677 | |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1678 | template <class ..._Types, size_t ..._I0, class _Tuple0> |
| 1679 | struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, _Tuple0> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1680 | { |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1681 | typedef _LIBCPP_NODEBUG __libcpp_remove_reference_t<_Tuple0> _T0; |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1682 | typedef tuple<_Types..., typename __apply_cv<_Tuple0, |
| 1683 | typename tuple_element<_I0, _T0>::type>::type&&...> type; |
| 1684 | }; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1685 | |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1686 | template <class ..._Types, size_t ..._I0, class _Tuple0, class _Tuple1, class ..._Tuples> |
| 1687 | struct __tuple_cat_return_ref_imp<tuple<_Types...>, __tuple_indices<_I0...>, |
| 1688 | _Tuple0, _Tuple1, _Tuples...> |
| 1689 | : public __tuple_cat_return_ref_imp< |
| 1690 | tuple<_Types..., typename __apply_cv<_Tuple0, |
| 1691 | typename tuple_element<_I0, |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1692 | __libcpp_remove_reference_t<_Tuple0> >::type>::type&&...>, |
| 1693 | typename __make_tuple_indices<tuple_size<__libcpp_remove_reference_t<_Tuple1> >::value>::type, |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1694 | _Tuple1, _Tuples...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1695 | { |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1696 | }; |
| 1697 | |
| 1698 | template <class _Tuple0, class ..._Tuples> |
| 1699 | struct __tuple_cat_return_ref |
| 1700 | : public __tuple_cat_return_ref_imp<tuple<>, |
| 1701 | typename __make_tuple_indices< |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1702 | tuple_size<__libcpp_remove_reference_t<_Tuple0> >::value |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1703 | >::type, _Tuple0, _Tuples...> |
| 1704 | { |
| 1705 | }; |
| 1706 | |
| 1707 | template <class _Types, class _I0, class _J0> |
| 1708 | struct __tuple_cat; |
| 1709 | |
| 1710 | template <class ..._Types, size_t ..._I0, size_t ..._J0> |
Howard Hinnant | 3a47c3d | 2011-01-24 16:07:25 +0000 | [diff] [blame] | 1711 | struct __tuple_cat<tuple<_Types...>, __tuple_indices<_I0...>, __tuple_indices<_J0...> > |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1712 | { |
| 1713 | template <class _Tuple0> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1714 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1715 | typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&>::type |
| 1716 | operator()(tuple<_Types...> __t, _Tuple0&& __t0) |
| 1717 | { |
Louis Dionne | 6209e9f | 2022-03-03 13:39:12 -0500 | [diff] [blame] | 1718 | (void)__t; // avoid unused parameter warning on GCC when _I0 is empty |
David Blaikie | 699a5e2 | 2019-10-28 18:03:59 -0700 | [diff] [blame] | 1719 | return _VSTD::forward_as_tuple( |
| 1720 | _VSTD::forward<_Types>(_VSTD::get<_I0>(__t))..., |
| 1721 | _VSTD::get<_J0>(_VSTD::forward<_Tuple0>(__t0))...); |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1722 | } |
| 1723 | |
| 1724 | template <class _Tuple0, class _Tuple1, class ..._Tuples> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1725 | _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1726 | typename __tuple_cat_return_ref<tuple<_Types...>&&, _Tuple0&&, _Tuple1&&, _Tuples&&...>::type |
| 1727 | operator()(tuple<_Types...> __t, _Tuple0&& __t0, _Tuple1&& __t1, _Tuples&& ...__tpls) |
| 1728 | { |
Louis Dionne | 6209e9f | 2022-03-03 13:39:12 -0500 | [diff] [blame] | 1729 | (void)__t; // avoid unused parameter warning on GCC when _I0 is empty |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1730 | typedef _LIBCPP_NODEBUG __libcpp_remove_reference_t<_Tuple0> _T0; |
| 1731 | typedef _LIBCPP_NODEBUG __libcpp_remove_reference_t<_Tuple1> _T1; |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1732 | return __tuple_cat< |
David Blaikie | 699a5e2 | 2019-10-28 18:03:59 -0700 | [diff] [blame] | 1733 | tuple<_Types..., |
| 1734 | typename __apply_cv<_Tuple0, typename tuple_element< |
| 1735 | _J0, _T0>::type>::type&&...>, |
| 1736 | typename __make_tuple_indices<sizeof...(_Types) + |
| 1737 | tuple_size<_T0>::value>::type, |
| 1738 | typename __make_tuple_indices<tuple_size<_T1>::value>::type>()( |
| 1739 | _VSTD::forward_as_tuple( |
| 1740 | _VSTD::forward<_Types>(_VSTD::get<_I0>(__t))..., |
| 1741 | _VSTD::get<_J0>(_VSTD::forward<_Tuple0>(__t0))...), |
| 1742 | _VSTD::forward<_Tuple1>(__t1), _VSTD::forward<_Tuples>(__tpls)...); |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1743 | } |
| 1744 | }; |
| 1745 | |
| 1746 | template <class _Tuple0, class... _Tuples> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1747 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX14 |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1748 | typename __tuple_cat_return<_Tuple0, _Tuples...>::type |
| 1749 | tuple_cat(_Tuple0&& __t0, _Tuples&&... __tpls) |
| 1750 | { |
Nikolas Klauser | c9e524e | 2022-09-06 00:33:34 +0200 | [diff] [blame] | 1751 | typedef _LIBCPP_NODEBUG __libcpp_remove_reference_t<_Tuple0> _T0; |
Howard Hinnant | 21376f6 | 2010-12-12 23:04:37 +0000 | [diff] [blame] | 1752 | return __tuple_cat<tuple<>, __tuple_indices<>, |
| 1753 | typename __make_tuple_indices<tuple_size<_T0>::value>::type>() |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 1754 | (tuple<>(), _VSTD::forward<_Tuple0>(__t0), |
| 1755 | _VSTD::forward<_Tuples>(__tpls)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1756 | } |
| 1757 | |
| 1758 | template <class ..._Tp, class _Alloc> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 1759 | struct _LIBCPP_TEMPLATE_VIS uses_allocator<tuple<_Tp...>, _Alloc> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1760 | : true_type {}; |
| 1761 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1762 | template <class _T1, class _T2> |
| 1763 | template <class... _Args1, class... _Args2, size_t ..._I1, size_t ..._I2> |
Nikolas Klauser | 8b1c506 | 2022-08-19 13:08:01 +0200 | [diff] [blame] | 1764 | inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_SINCE_CXX20 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1765 | pair<_T1, _T2>::pair(piecewise_construct_t, |
| 1766 | tuple<_Args1...>& __first_args, tuple<_Args2...>& __second_args, |
| 1767 | __tuple_indices<_I1...>, __tuple_indices<_I2...>) |
Marshall Clow | 60e4aa7 | 2014-06-24 00:46:19 +0000 | [diff] [blame] | 1768 | : first(_VSTD::forward<_Args1>(_VSTD::get<_I1>( __first_args))...), |
| 1769 | second(_VSTD::forward<_Args2>(_VSTD::get<_I2>(__second_args))...) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1770 | { |
| 1771 | } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1772 | |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1773 | #if _LIBCPP_STD_VER > 14 |
| 1774 | template <class _Tp> |
Louis Dionne | 559be10 | 2021-09-22 09:35:32 -0400 | [diff] [blame] | 1775 | inline constexpr size_t tuple_size_v = tuple_size<_Tp>::value; |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1776 | |
| 1777 | #define _LIBCPP_NOEXCEPT_RETURN(...) noexcept(noexcept(__VA_ARGS__)) { return __VA_ARGS__; } |
| 1778 | |
| 1779 | template <class _Fn, class _Tuple, size_t ..._Id> |
| 1780 | inline _LIBCPP_INLINE_VISIBILITY |
| 1781 | constexpr decltype(auto) __apply_tuple_impl(_Fn && __f, _Tuple && __t, |
| 1782 | __tuple_indices<_Id...>) |
| 1783 | _LIBCPP_NOEXCEPT_RETURN( |
Nikolas Klauser | a28f48e | 2022-04-06 23:10:21 +0200 | [diff] [blame] | 1784 | _VSTD::__invoke( |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1785 | _VSTD::forward<_Fn>(__f), |
| 1786 | _VSTD::get<_Id>(_VSTD::forward<_Tuple>(__t))...) |
| 1787 | ) |
| 1788 | |
| 1789 | template <class _Fn, class _Tuple> |
| 1790 | inline _LIBCPP_INLINE_VISIBILITY |
| 1791 | constexpr decltype(auto) apply(_Fn && __f, _Tuple && __t) |
| 1792 | _LIBCPP_NOEXCEPT_RETURN( |
| 1793 | _VSTD::__apply_tuple_impl( |
| 1794 | _VSTD::forward<_Fn>(__f), _VSTD::forward<_Tuple>(__t), |
Marshall Clow | d5bbc24 | 2018-02-06 20:56:55 +0000 | [diff] [blame] | 1795 | typename __make_tuple_indices<tuple_size_v<remove_reference_t<_Tuple>>>::type{}) |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1796 | ) |
| 1797 | |
| 1798 | template <class _Tp, class _Tuple, size_t... _Idx> |
| 1799 | inline _LIBCPP_INLINE_VISIBILITY |
| 1800 | constexpr _Tp __make_from_tuple_impl(_Tuple&& __t, __tuple_indices<_Idx...>) |
| 1801 | _LIBCPP_NOEXCEPT_RETURN( |
| 1802 | _Tp(_VSTD::get<_Idx>(_VSTD::forward<_Tuple>(__t))...) |
| 1803 | ) |
| 1804 | |
| 1805 | template <class _Tp, class _Tuple> |
| 1806 | inline _LIBCPP_INLINE_VISIBILITY |
| 1807 | constexpr _Tp make_from_tuple(_Tuple&& __t) |
| 1808 | _LIBCPP_NOEXCEPT_RETURN( |
| 1809 | _VSTD::__make_from_tuple_impl<_Tp>(_VSTD::forward<_Tuple>(__t), |
Marshall Clow | d5bbc24 | 2018-02-06 20:56:55 +0000 | [diff] [blame] | 1810 | typename __make_tuple_indices<tuple_size_v<remove_reference_t<_Tuple>>>::type{}) |
Eric Fiselier | 8e892c5 | 2016-07-18 00:35:56 +0000 | [diff] [blame] | 1811 | ) |
| 1812 | |
| 1813 | #undef _LIBCPP_NOEXCEPT_RETURN |
| 1814 | |
| 1815 | #endif // _LIBCPP_STD_VER > 14 |
| 1816 | |
Eric Fiselier | ffe4aba | 2017-04-19 01:23:39 +0000 | [diff] [blame] | 1817 | #endif // !defined(_LIBCPP_CXX03_LANG) |
| 1818 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1819 | _LIBCPP_END_NAMESPACE_STD |
| 1820 | |
Mark de Wever | ee5fe27 | 2022-09-02 17:53:28 +0200 | [diff] [blame] | 1821 | #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 |
| 1822 | # include <exception> |
| 1823 | # include <iosfwd> |
| 1824 | # include <new> |
| 1825 | # include <typeinfo> |
| 1826 | # include <utility> |
| 1827 | #endif |
| 1828 | |
Louis Dionne | 2b1ceaa | 2021-04-20 12:03:32 -0400 | [diff] [blame] | 1829 | #endif // _LIBCPP_TUPLE |