Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1 | // -*- C++ -*- |
| 2 | //===------------------------ functional ----------------------------------===// |
| 3 | // |
Howard Hinnant | c566dc3 | 2010-05-11 21:36:01 +0000 | [diff] [blame] | 4 | // The LLVM Compiler Infrastructure |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 5 | // |
Howard Hinnant | ee11c31 | 2010-11-16 22:09:02 +0000 | [diff] [blame] | 6 | // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 | // Source Licenses. See LICENSE.TXT for details. |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 8 | // |
| 9 | //===----------------------------------------------------------------------===// |
| 10 | |
| 11 | #ifndef _LIBCPP_FUNCTIONAL |
| 12 | #define _LIBCPP_FUNCTIONAL |
| 13 | |
| 14 | /* |
| 15 | functional synopsis |
| 16 | |
| 17 | namespace std |
| 18 | { |
| 19 | |
| 20 | template <class Arg, class Result> |
| 21 | struct unary_function |
| 22 | { |
| 23 | typedef Arg argument_type; |
| 24 | typedef Result result_type; |
| 25 | }; |
| 26 | |
| 27 | template <class Arg1, class Arg2, class Result> |
| 28 | struct binary_function |
| 29 | { |
| 30 | typedef Arg1 first_argument_type; |
| 31 | typedef Arg2 second_argument_type; |
| 32 | typedef Result result_type; |
| 33 | }; |
| 34 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 35 | template <class T> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 36 | class reference_wrapper |
| 37 | : public unary_function<T1, R> // if wrapping a unary functor |
| 38 | : public binary_function<T1, T2, R> // if wraping a binary functor |
| 39 | { |
| 40 | public: |
| 41 | // types |
| 42 | typedef T type; |
| 43 | typedef see below result_type; // Not always defined |
| 44 | |
| 45 | // construct/copy/destroy |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 46 | reference_wrapper(T&) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 47 | reference_wrapper(T&&) = delete; // do not bind to temps |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 48 | reference_wrapper(const reference_wrapper<T>& x) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 49 | |
| 50 | // assignment |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 51 | reference_wrapper& operator=(const reference_wrapper<T>& x) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 52 | |
| 53 | // access |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 54 | operator T& () const noexcept; |
| 55 | T& get() const noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 56 | |
| 57 | // invoke |
| 58 | template <class... ArgTypes> |
Howard Hinnant | c9c775b | 2013-09-21 17:58:58 +0000 | [diff] [blame] | 59 | typename result_of<T&(ArgTypes&&...)>::type |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 60 | operator() (ArgTypes&&...) const; |
| 61 | }; |
| 62 | |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 63 | template <class T> reference_wrapper<T> ref(T& t) noexcept; |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 64 | template <class T> void ref(const T&& t) = delete; |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 65 | template <class T> reference_wrapper<T> ref(reference_wrapper<T>t) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 66 | |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 67 | template <class T> reference_wrapper<const T> cref(const T& t) noexcept; |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 68 | template <class T> void cref(const T&& t) = delete; |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 69 | template <class T> reference_wrapper<const T> cref(reference_wrapper<T> t) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 70 | |
Louis Dionne | db1892a | 2018-12-03 14:03:27 +0000 | [diff] [blame] | 71 | template <class T> struct unwrap_reference; // since C++20 |
| 72 | template <class T> struct unwrap_ref_decay : unwrap_reference<decay_t<T>> { }; // since C++20 |
| 73 | template <class T> using unwrap_reference_t = typename unwrap_reference<T>::type; // since C++20 |
| 74 | template <class T> using unwrap_ref_decay_t = typename unwrap_ref_decay<T>::type; // since C++20 |
| 75 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 76 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 77 | struct plus : binary_function<T, T, T> |
| 78 | { |
| 79 | T operator()(const T& x, const T& y) const; |
| 80 | }; |
| 81 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 82 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 83 | struct minus : binary_function<T, T, T> |
| 84 | { |
| 85 | T operator()(const T& x, const T& y) const; |
| 86 | }; |
| 87 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 88 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 89 | struct multiplies : binary_function<T, T, T> |
| 90 | { |
| 91 | T operator()(const T& x, const T& y) const; |
| 92 | }; |
| 93 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 94 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 95 | struct divides : binary_function<T, T, T> |
| 96 | { |
| 97 | T operator()(const T& x, const T& y) const; |
| 98 | }; |
| 99 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 100 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 101 | struct modulus : binary_function<T, T, T> |
| 102 | { |
| 103 | T operator()(const T& x, const T& y) const; |
| 104 | }; |
| 105 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 106 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 107 | struct negate : unary_function<T, T> |
| 108 | { |
| 109 | T operator()(const T& x) const; |
| 110 | }; |
| 111 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 112 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 113 | struct equal_to : binary_function<T, T, bool> |
| 114 | { |
| 115 | bool operator()(const T& x, const T& y) const; |
| 116 | }; |
| 117 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 118 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 119 | struct not_equal_to : binary_function<T, T, bool> |
| 120 | { |
| 121 | bool operator()(const T& x, const T& y) const; |
| 122 | }; |
| 123 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 124 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 125 | struct greater : binary_function<T, T, bool> |
| 126 | { |
| 127 | bool operator()(const T& x, const T& y) const; |
| 128 | }; |
| 129 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 130 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 131 | struct less : binary_function<T, T, bool> |
| 132 | { |
| 133 | bool operator()(const T& x, const T& y) const; |
| 134 | }; |
| 135 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 136 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 137 | struct greater_equal : binary_function<T, T, bool> |
| 138 | { |
| 139 | bool operator()(const T& x, const T& y) const; |
| 140 | }; |
| 141 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 142 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 143 | struct less_equal : binary_function<T, T, bool> |
| 144 | { |
| 145 | bool operator()(const T& x, const T& y) const; |
| 146 | }; |
| 147 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 148 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 149 | struct logical_and : binary_function<T, T, bool> |
| 150 | { |
| 151 | bool operator()(const T& x, const T& y) const; |
| 152 | }; |
| 153 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 154 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 155 | struct logical_or : binary_function<T, T, bool> |
| 156 | { |
| 157 | bool operator()(const T& x, const T& y) const; |
| 158 | }; |
| 159 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 160 | template <class T> // <class T=void> in C++14 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 161 | struct logical_not : unary_function<T, bool> |
| 162 | { |
| 163 | bool operator()(const T& x) const; |
| 164 | }; |
| 165 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 166 | template <class T> // <class T=void> in C++14 |
| 167 | struct bit_and : unary_function<T, bool> |
| 168 | { |
| 169 | bool operator()(const T& x, const T& y) const; |
| 170 | }; |
| 171 | |
| 172 | template <class T> // <class T=void> in C++14 |
| 173 | struct bit_or : unary_function<T, bool> |
| 174 | { |
| 175 | bool operator()(const T& x, const T& y) const; |
| 176 | }; |
| 177 | |
| 178 | template <class T> // <class T=void> in C++14 |
| 179 | struct bit_xor : unary_function<T, bool> |
| 180 | { |
| 181 | bool operator()(const T& x, const T& y) const; |
| 182 | }; |
| 183 | |
| 184 | template <class T=void> // C++14 |
| 185 | struct bit_xor : unary_function<T, bool> |
| 186 | { |
| 187 | bool operator()(const T& x) const; |
| 188 | }; |
| 189 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 190 | template <class Predicate> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 191 | class unary_negate // deprecated in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 192 | : public unary_function<typename Predicate::argument_type, bool> |
| 193 | { |
| 194 | public: |
| 195 | explicit unary_negate(const Predicate& pred); |
| 196 | bool operator()(const typename Predicate::argument_type& x) const; |
| 197 | }; |
| 198 | |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 199 | template <class Predicate> // deprecated in C++17 |
| 200 | unary_negate<Predicate> not1(const Predicate& pred); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 201 | |
| 202 | template <class Predicate> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 203 | class binary_negate // deprecated in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 204 | : public binary_function<typename Predicate::first_argument_type, |
| 205 | typename Predicate::second_argument_type, |
| 206 | bool> |
| 207 | { |
| 208 | public: |
| 209 | explicit binary_negate(const Predicate& pred); |
| 210 | bool operator()(const typename Predicate::first_argument_type& x, |
| 211 | const typename Predicate::second_argument_type& y) const; |
| 212 | }; |
| 213 | |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 214 | template <class Predicate> // deprecated in C++17 |
| 215 | binary_negate<Predicate> not2(const Predicate& pred); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 216 | |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 217 | template <class F> unspecified not_fn(F&& f); // C++17 |
| 218 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 219 | template<class T> struct is_bind_expression; |
| 220 | template<class T> struct is_placeholder; |
| 221 | |
Marshall Clow | 2d2d7f1 | 2016-09-22 00:23:15 +0000 | [diff] [blame] | 222 | // See C++14 20.9.9, Function object binders |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 223 | template <class T> inline constexpr bool is_bind_expression_v |
Marshall Clow | 2d2d7f1 | 2016-09-22 00:23:15 +0000 | [diff] [blame] | 224 | = is_bind_expression<T>::value; // C++17 |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 225 | template <class T> inline constexpr int is_placeholder_v |
Marshall Clow | 2d2d7f1 | 2016-09-22 00:23:15 +0000 | [diff] [blame] | 226 | = is_placeholder<T>::value; // C++17 |
| 227 | |
| 228 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 229 | template<class Fn, class... BoundArgs> |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 230 | unspecified bind(Fn&&, BoundArgs&&...); |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 231 | template<class R, class Fn, class... BoundArgs> |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 232 | unspecified bind(Fn&&, BoundArgs&&...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 233 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 234 | namespace placeholders { |
| 235 | // M is the implementation-defined number of placeholders |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 236 | extern unspecified _1; |
| 237 | extern unspecified _2; |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 238 | . |
| 239 | . |
| 240 | . |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 241 | extern unspecified _Mp; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 242 | } |
| 243 | |
| 244 | template <class Operation> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 245 | class binder1st // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 246 | : public unary_function<typename Operation::second_argument_type, |
| 247 | typename Operation::result_type> |
| 248 | { |
| 249 | protected: |
| 250 | Operation op; |
| 251 | typename Operation::first_argument_type value; |
| 252 | public: |
| 253 | binder1st(const Operation& x, const typename Operation::first_argument_type y); |
| 254 | typename Operation::result_type operator()( typename Operation::second_argument_type& x) const; |
| 255 | typename Operation::result_type operator()(const typename Operation::second_argument_type& x) const; |
| 256 | }; |
| 257 | |
| 258 | template <class Operation, class T> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 259 | binder1st<Operation> bind1st(const Operation& op, const T& x); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 260 | |
| 261 | template <class Operation> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 262 | class binder2nd // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 263 | : public unary_function<typename Operation::first_argument_type, |
| 264 | typename Operation::result_type> |
| 265 | { |
| 266 | protected: |
| 267 | Operation op; |
| 268 | typename Operation::second_argument_type value; |
| 269 | public: |
| 270 | binder2nd(const Operation& x, const typename Operation::second_argument_type y); |
| 271 | typename Operation::result_type operator()( typename Operation::first_argument_type& x) const; |
| 272 | typename Operation::result_type operator()(const typename Operation::first_argument_type& x) const; |
| 273 | }; |
| 274 | |
| 275 | template <class Operation, class T> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 276 | binder2nd<Operation> bind2nd(const Operation& op, const T& x); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 277 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 278 | template <class Arg, class Result> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 279 | class pointer_to_unary_function : public unary_function<Arg, Result> |
| 280 | { |
| 281 | public: |
| 282 | explicit pointer_to_unary_function(Result (*f)(Arg)); |
| 283 | Result operator()(Arg x) const; |
| 284 | }; |
| 285 | |
| 286 | template <class Arg, class Result> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 287 | pointer_to_unary_function<Arg,Result> ptr_fun(Result (*f)(Arg)); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 288 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 289 | template <class Arg1, class Arg2, class Result> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 290 | class pointer_to_binary_function : public binary_function<Arg1, Arg2, Result> |
| 291 | { |
| 292 | public: |
| 293 | explicit pointer_to_binary_function(Result (*f)(Arg1, Arg2)); |
| 294 | Result operator()(Arg1 x, Arg2 y) const; |
| 295 | }; |
| 296 | |
| 297 | template <class Arg1, class Arg2, class Result> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 298 | pointer_to_binary_function<Arg1,Arg2,Result> ptr_fun(Result (*f)(Arg1,Arg2)); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 299 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 300 | template<class S, class T> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 301 | class mem_fun_t : public unary_function<T*, S> |
| 302 | { |
| 303 | public: |
| 304 | explicit mem_fun_t(S (T::*p)()); |
| 305 | S operator()(T* p) const; |
| 306 | }; |
| 307 | |
| 308 | template<class S, class T, class A> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 309 | class mem_fun1_t : public binary_function<T*, A, S> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 310 | { |
| 311 | public: |
| 312 | explicit mem_fun1_t(S (T::*p)(A)); |
| 313 | S operator()(T* p, A x) const; |
| 314 | }; |
| 315 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 316 | template<class S, class T> mem_fun_t<S,T> mem_fun(S (T::*f)()); // deprecated in C++11, removed in C++17 |
| 317 | template<class S, class T, class A> mem_fun1_t<S,T,A> mem_fun(S (T::*f)(A)); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 318 | |
| 319 | template<class S, class T> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 320 | class mem_fun_ref_t : public unary_function<T, S> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 321 | { |
| 322 | public: |
| 323 | explicit mem_fun_ref_t(S (T::*p)()); |
| 324 | S operator()(T& p) const; |
| 325 | }; |
| 326 | |
| 327 | template<class S, class T, class A> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 328 | class mem_fun1_ref_t : public binary_function<T, A, S> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 329 | { |
| 330 | public: |
| 331 | explicit mem_fun1_ref_t(S (T::*p)(A)); |
| 332 | S operator()(T& p, A x) const; |
| 333 | }; |
| 334 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 335 | template<class S, class T> mem_fun_ref_t<S,T> mem_fun_ref(S (T::*f)()); // deprecated in C++11, removed in C++17 |
| 336 | template<class S, class T, class A> mem_fun1_ref_t<S,T,A> mem_fun_ref(S (T::*f)(A)); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 337 | |
| 338 | template <class S, class T> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 339 | class const_mem_fun_t : public unary_function<const T*, S> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 340 | { |
| 341 | public: |
| 342 | explicit const_mem_fun_t(S (T::*p)() const); |
| 343 | S operator()(const T* p) const; |
| 344 | }; |
| 345 | |
| 346 | template <class S, class T, class A> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 347 | class const_mem_fun1_t : public binary_function<const T*, A, S> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 348 | { |
| 349 | public: |
| 350 | explicit const_mem_fun1_t(S (T::*p)(A) const); |
| 351 | S operator()(const T* p, A x) const; |
| 352 | }; |
| 353 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 354 | template <class S, class T> const_mem_fun_t<S,T> mem_fun(S (T::*f)() const); // deprecated in C++11, removed in C++17 |
| 355 | template <class S, class T, class A> const_mem_fun1_t<S,T,A> mem_fun(S (T::*f)(A) const); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 356 | |
| 357 | template <class S, class T> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 358 | class const_mem_fun_ref_t : public unary_function<T, S> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 359 | { |
| 360 | public: |
| 361 | explicit const_mem_fun_ref_t(S (T::*p)() const); |
| 362 | S operator()(const T& p) const; |
| 363 | }; |
| 364 | |
| 365 | template <class S, class T, class A> |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 366 | class const_mem_fun1_ref_t : public binary_function<T, A, S> // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 367 | { |
| 368 | public: |
| 369 | explicit const_mem_fun1_ref_t(S (T::*p)(A) const); |
| 370 | S operator()(const T& p, A x) const; |
| 371 | }; |
| 372 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 373 | template <class S, class T> const_mem_fun_ref_t<S,T> mem_fun_ref(S (T::*f)() const); // deprecated in C++11, removed in C++17 |
| 374 | template <class S, class T, class A> const_mem_fun1_ref_t<S,T,A> mem_fun_ref(S (T::*f)(A) const); // deprecated in C++11, removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 375 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 376 | template<class R, class T> unspecified mem_fn(R T::*); |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 377 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 378 | class bad_function_call |
| 379 | : public exception |
| 380 | { |
| 381 | }; |
| 382 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 383 | template<class> class function; // undefined |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 384 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 385 | template<class R, class... ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 386 | class function<R(ArgTypes...)> |
| 387 | : public unary_function<T1, R> // iff sizeof...(ArgTypes) == 1 and |
| 388 | // ArgTypes contains T1 |
| 389 | : public binary_function<T1, T2, R> // iff sizeof...(ArgTypes) == 2 and |
| 390 | // ArgTypes contains T1 and T2 |
| 391 | { |
| 392 | public: |
| 393 | typedef R result_type; |
| 394 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 395 | // construct/copy/destroy: |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 396 | function() noexcept; |
| 397 | function(nullptr_t) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 398 | function(const function&); |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 399 | function(function&&) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 400 | template<class F> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 401 | function(F); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 402 | template<Allocator Alloc> |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 403 | function(allocator_arg_t, const Alloc&) noexcept; // removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 404 | template<Allocator Alloc> |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 405 | function(allocator_arg_t, const Alloc&, nullptr_t) noexcept; // removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 406 | template<Allocator Alloc> |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 407 | function(allocator_arg_t, const Alloc&, const function&); // removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 408 | template<Allocator Alloc> |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 409 | function(allocator_arg_t, const Alloc&, function&&); // removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 410 | template<class F, Allocator Alloc> |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 411 | function(allocator_arg_t, const Alloc&, F); // removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 412 | |
| 413 | function& operator=(const function&); |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 414 | function& operator=(function&&) noexcept; |
Howard Hinnant | 7b85be0 | 2011-05-29 13:53:56 +0000 | [diff] [blame] | 415 | function& operator=(nullptr_t) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 416 | template<class F> |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 417 | function& operator=(F&&); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 418 | template<class F> |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 419 | function& operator=(reference_wrapper<F>) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 420 | |
| 421 | ~function(); |
| 422 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 423 | // function modifiers: |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 424 | void swap(function&) noexcept; |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 425 | template<class F, class Alloc> |
Marshall Clow | fc8fd83 | 2016-01-25 17:29:55 +0000 | [diff] [blame] | 426 | void assign(F&&, const Alloc&); // Removed in C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 427 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 428 | // function capacity: |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 429 | explicit operator bool() const noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 430 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 431 | // function invocation: |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 432 | R operator()(ArgTypes...) const; |
| 433 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 434 | // function target access: |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 435 | const std::type_info& target_type() const noexcept; |
| 436 | template <typename T> T* target() noexcept; |
| 437 | template <typename T> const T* target() const noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 438 | }; |
| 439 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 440 | // Null pointer comparisons: |
| 441 | template <class R, class ... ArgTypes> |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 442 | bool operator==(const function<R(ArgTypes...)>&, nullptr_t) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 443 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 444 | template <class R, class ... ArgTypes> |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 445 | bool operator==(nullptr_t, const function<R(ArgTypes...)>&) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 446 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 447 | template <class R, class ... ArgTypes> |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 448 | bool operator!=(const function<R(ArgTypes...)>&, nullptr_t) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 449 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 450 | template <class R, class ... ArgTypes> |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 451 | bool operator!=(nullptr_t, const function<R(ArgTypes...)>&) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 452 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 453 | // specialized algorithms: |
| 454 | template <class R, class ... ArgTypes> |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 455 | void swap(function<R(ArgTypes...)>&, function<R(ArgTypes...)>&) noexcept; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 456 | |
| 457 | template <class T> struct hash; |
| 458 | |
| 459 | template <> struct hash<bool>; |
| 460 | template <> struct hash<char>; |
| 461 | template <> struct hash<signed char>; |
| 462 | template <> struct hash<unsigned char>; |
| 463 | template <> struct hash<char16_t>; |
| 464 | template <> struct hash<char32_t>; |
| 465 | template <> struct hash<wchar_t>; |
| 466 | template <> struct hash<short>; |
| 467 | template <> struct hash<unsigned short>; |
| 468 | template <> struct hash<int>; |
| 469 | template <> struct hash<unsigned int>; |
| 470 | template <> struct hash<long>; |
| 471 | template <> struct hash<long long>; |
| 472 | template <> struct hash<unsigned long>; |
| 473 | template <> struct hash<unsigned long long>; |
| 474 | |
| 475 | template <> struct hash<float>; |
| 476 | template <> struct hash<double>; |
| 477 | template <> struct hash<long double>; |
| 478 | |
| 479 | template<class T> struct hash<T*>; |
Marshall Clow | cc25222 | 2017-03-23 06:20:18 +0000 | [diff] [blame] | 480 | template <> struct hash<nullptr_t>; // C++17 |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 481 | |
| 482 | } // std |
| 483 | |
| 484 | POLICY: For non-variadic implementations, the number of arguments is limited |
| 485 | to 3. It is hoped that the need for non-variadic implementations |
| 486 | will be minimal. |
| 487 | |
| 488 | */ |
| 489 | |
| 490 | #include <__config> |
| 491 | #include <type_traits> |
| 492 | #include <typeinfo> |
| 493 | #include <exception> |
| 494 | #include <memory> |
| 495 | #include <tuple> |
Eric Fiselier | 698a97b | 2017-01-21 00:02:12 +0000 | [diff] [blame] | 496 | #include <utility> |
Marshall Clow | 0a1e750 | 2018-09-12 19:41:40 +0000 | [diff] [blame] | 497 | #include <version> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 498 | |
| 499 | #include <__functional_base> |
| 500 | |
Howard Hinnant | aaaa52b | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 501 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 502 | #pragma GCC system_header |
Howard Hinnant | aaaa52b | 2011-10-17 20:05:10 +0000 | [diff] [blame] | 503 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 504 | |
| 505 | _LIBCPP_BEGIN_NAMESPACE_STD |
| 506 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 507 | #if _LIBCPP_STD_VER > 11 |
| 508 | template <class _Tp = void> |
| 509 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 510 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 511 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 512 | struct _LIBCPP_TEMPLATE_VIS plus : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 513 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 514 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 515 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 516 | {return __x + __y;} |
| 517 | }; |
| 518 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 519 | #if _LIBCPP_STD_VER > 11 |
| 520 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 521 | struct _LIBCPP_TEMPLATE_VIS plus<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 522 | { |
| 523 | template <class _T1, class _T2> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 524 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 525 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 526 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u))) |
| 527 | -> decltype (_VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u)) |
| 528 | { return _VSTD::forward<_T1>(__t) + _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 529 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 530 | }; |
| 531 | #endif |
| 532 | |
| 533 | |
| 534 | #if _LIBCPP_STD_VER > 11 |
| 535 | template <class _Tp = void> |
| 536 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 537 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 538 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 539 | struct _LIBCPP_TEMPLATE_VIS minus : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 540 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 541 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 542 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 543 | {return __x - __y;} |
| 544 | }; |
| 545 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 546 | #if _LIBCPP_STD_VER > 11 |
| 547 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 548 | struct _LIBCPP_TEMPLATE_VIS minus<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 549 | { |
| 550 | template <class _T1, class _T2> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 551 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 552 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 553 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u))) |
| 554 | -> decltype (_VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u)) |
| 555 | { return _VSTD::forward<_T1>(__t) - _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 556 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 557 | }; |
| 558 | #endif |
| 559 | |
| 560 | |
| 561 | #if _LIBCPP_STD_VER > 11 |
| 562 | template <class _Tp = void> |
| 563 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 564 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 565 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 566 | struct _LIBCPP_TEMPLATE_VIS multiplies : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 567 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 568 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 569 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 570 | {return __x * __y;} |
| 571 | }; |
| 572 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 573 | #if _LIBCPP_STD_VER > 11 |
| 574 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 575 | struct _LIBCPP_TEMPLATE_VIS multiplies<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 576 | { |
| 577 | template <class _T1, class _T2> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 578 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 579 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 580 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u))) |
| 581 | -> decltype (_VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u)) |
| 582 | { return _VSTD::forward<_T1>(__t) * _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 583 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 584 | }; |
| 585 | #endif |
| 586 | |
| 587 | |
| 588 | #if _LIBCPP_STD_VER > 11 |
| 589 | template <class _Tp = void> |
| 590 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 591 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 592 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 593 | struct _LIBCPP_TEMPLATE_VIS divides : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 594 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 595 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 596 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 597 | {return __x / __y;} |
| 598 | }; |
| 599 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 600 | #if _LIBCPP_STD_VER > 11 |
| 601 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 602 | struct _LIBCPP_TEMPLATE_VIS divides<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 603 | { |
| 604 | template <class _T1, class _T2> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 605 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 606 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 607 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u))) |
| 608 | -> decltype (_VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u)) |
| 609 | { return _VSTD::forward<_T1>(__t) / _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 610 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 611 | }; |
| 612 | #endif |
| 613 | |
| 614 | |
| 615 | #if _LIBCPP_STD_VER > 11 |
| 616 | template <class _Tp = void> |
| 617 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 618 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 619 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 620 | struct _LIBCPP_TEMPLATE_VIS modulus : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 621 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 622 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 623 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 624 | {return __x % __y;} |
| 625 | }; |
| 626 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 627 | #if _LIBCPP_STD_VER > 11 |
| 628 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 629 | struct _LIBCPP_TEMPLATE_VIS modulus<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 630 | { |
| 631 | template <class _T1, class _T2> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 632 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 633 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 634 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u))) |
| 635 | -> decltype (_VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u)) |
| 636 | { return _VSTD::forward<_T1>(__t) % _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 637 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 638 | }; |
| 639 | #endif |
| 640 | |
| 641 | |
| 642 | #if _LIBCPP_STD_VER > 11 |
| 643 | template <class _Tp = void> |
| 644 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 645 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 646 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 647 | struct _LIBCPP_TEMPLATE_VIS negate : unary_function<_Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 648 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 649 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 650 | _Tp operator()(const _Tp& __x) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 651 | {return -__x;} |
| 652 | }; |
| 653 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 654 | #if _LIBCPP_STD_VER > 11 |
| 655 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 656 | struct _LIBCPP_TEMPLATE_VIS negate<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 657 | { |
| 658 | template <class _Tp> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 659 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 660 | auto operator()(_Tp&& __x) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 661 | _NOEXCEPT_(noexcept(- _VSTD::forward<_Tp>(__x))) |
| 662 | -> decltype (- _VSTD::forward<_Tp>(__x)) |
| 663 | { return - _VSTD::forward<_Tp>(__x); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 664 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 665 | }; |
| 666 | #endif |
| 667 | |
| 668 | |
| 669 | #if _LIBCPP_STD_VER > 11 |
| 670 | template <class _Tp = void> |
| 671 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 672 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 673 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 674 | struct _LIBCPP_TEMPLATE_VIS equal_to : binary_function<_Tp, _Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 675 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 676 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 677 | bool operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 678 | {return __x == __y;} |
| 679 | }; |
| 680 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 681 | #if _LIBCPP_STD_VER > 11 |
| 682 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 683 | struct _LIBCPP_TEMPLATE_VIS equal_to<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 684 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 685 | template <class _T1, class _T2> |
| 686 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 687 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 688 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u))) |
| 689 | -> decltype (_VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u)) |
| 690 | { return _VSTD::forward<_T1>(__t) == _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 691 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 692 | }; |
| 693 | #endif |
| 694 | |
| 695 | |
| 696 | #if _LIBCPP_STD_VER > 11 |
| 697 | template <class _Tp = void> |
| 698 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 699 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 700 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 701 | struct _LIBCPP_TEMPLATE_VIS not_equal_to : binary_function<_Tp, _Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 702 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 703 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 704 | bool operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 705 | {return __x != __y;} |
| 706 | }; |
| 707 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 708 | #if _LIBCPP_STD_VER > 11 |
| 709 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 710 | struct _LIBCPP_TEMPLATE_VIS not_equal_to<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 711 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 712 | template <class _T1, class _T2> |
| 713 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 714 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 715 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u))) |
| 716 | -> decltype (_VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u)) |
| 717 | { return _VSTD::forward<_T1>(__t) != _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 718 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 719 | }; |
| 720 | #endif |
| 721 | |
| 722 | |
| 723 | #if _LIBCPP_STD_VER > 11 |
| 724 | template <class _Tp = void> |
| 725 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 726 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 727 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 728 | struct _LIBCPP_TEMPLATE_VIS greater : binary_function<_Tp, _Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 729 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 730 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 731 | bool operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 732 | {return __x > __y;} |
| 733 | }; |
| 734 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 735 | #if _LIBCPP_STD_VER > 11 |
| 736 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 737 | struct _LIBCPP_TEMPLATE_VIS greater<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 738 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 739 | template <class _T1, class _T2> |
| 740 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 741 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 742 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u))) |
| 743 | -> decltype (_VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u)) |
| 744 | { return _VSTD::forward<_T1>(__t) > _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 745 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 746 | }; |
| 747 | #endif |
| 748 | |
| 749 | |
Howard Hinnant | b17caf9 | 2012-02-21 21:02:58 +0000 | [diff] [blame] | 750 | // less in <__functional_base> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 751 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 752 | #if _LIBCPP_STD_VER > 11 |
| 753 | template <class _Tp = void> |
| 754 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 755 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 756 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 757 | struct _LIBCPP_TEMPLATE_VIS greater_equal : binary_function<_Tp, _Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 758 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 759 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 760 | bool operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 761 | {return __x >= __y;} |
| 762 | }; |
| 763 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 764 | #if _LIBCPP_STD_VER > 11 |
| 765 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 766 | struct _LIBCPP_TEMPLATE_VIS greater_equal<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 767 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 768 | template <class _T1, class _T2> |
| 769 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 770 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 771 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u))) |
| 772 | -> decltype (_VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u)) |
| 773 | { return _VSTD::forward<_T1>(__t) >= _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 774 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 775 | }; |
| 776 | #endif |
| 777 | |
| 778 | |
| 779 | #if _LIBCPP_STD_VER > 11 |
| 780 | template <class _Tp = void> |
| 781 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 782 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 783 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 784 | struct _LIBCPP_TEMPLATE_VIS less_equal : binary_function<_Tp, _Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 785 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 786 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 787 | bool operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 788 | {return __x <= __y;} |
| 789 | }; |
| 790 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 791 | #if _LIBCPP_STD_VER > 11 |
| 792 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 793 | struct _LIBCPP_TEMPLATE_VIS less_equal<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 794 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 795 | template <class _T1, class _T2> |
| 796 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 797 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 798 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u))) |
| 799 | -> decltype (_VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u)) |
| 800 | { return _VSTD::forward<_T1>(__t) <= _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 801 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 802 | }; |
| 803 | #endif |
| 804 | |
| 805 | |
| 806 | #if _LIBCPP_STD_VER > 11 |
| 807 | template <class _Tp = void> |
| 808 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 809 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 810 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 811 | struct _LIBCPP_TEMPLATE_VIS logical_and : binary_function<_Tp, _Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 812 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 813 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 814 | bool operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 815 | {return __x && __y;} |
| 816 | }; |
| 817 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 818 | #if _LIBCPP_STD_VER > 11 |
| 819 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 820 | struct _LIBCPP_TEMPLATE_VIS logical_and<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 821 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 822 | template <class _T1, class _T2> |
| 823 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 824 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 825 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u))) |
| 826 | -> decltype (_VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u)) |
| 827 | { return _VSTD::forward<_T1>(__t) && _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 828 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 829 | }; |
| 830 | #endif |
| 831 | |
| 832 | |
| 833 | #if _LIBCPP_STD_VER > 11 |
| 834 | template <class _Tp = void> |
| 835 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 836 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 837 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 838 | struct _LIBCPP_TEMPLATE_VIS logical_or : binary_function<_Tp, _Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 839 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 840 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 841 | bool operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 842 | {return __x || __y;} |
| 843 | }; |
| 844 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 845 | #if _LIBCPP_STD_VER > 11 |
| 846 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 847 | struct _LIBCPP_TEMPLATE_VIS logical_or<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 848 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 849 | template <class _T1, class _T2> |
| 850 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 851 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 852 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u))) |
| 853 | -> decltype (_VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u)) |
| 854 | { return _VSTD::forward<_T1>(__t) || _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 855 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 856 | }; |
| 857 | #endif |
| 858 | |
| 859 | |
| 860 | #if _LIBCPP_STD_VER > 11 |
| 861 | template <class _Tp = void> |
| 862 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 863 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 864 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 865 | struct _LIBCPP_TEMPLATE_VIS logical_not : unary_function<_Tp, bool> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 866 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 867 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 868 | bool operator()(const _Tp& __x) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 869 | {return !__x;} |
| 870 | }; |
| 871 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 872 | #if _LIBCPP_STD_VER > 11 |
| 873 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 874 | struct _LIBCPP_TEMPLATE_VIS logical_not<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 875 | { |
| 876 | template <class _Tp> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 877 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 878 | auto operator()(_Tp&& __x) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 879 | _NOEXCEPT_(noexcept(!_VSTD::forward<_Tp>(__x))) |
| 880 | -> decltype (!_VSTD::forward<_Tp>(__x)) |
| 881 | { return !_VSTD::forward<_Tp>(__x); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 882 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 883 | }; |
| 884 | #endif |
| 885 | |
| 886 | |
| 887 | #if _LIBCPP_STD_VER > 11 |
| 888 | template <class _Tp = void> |
| 889 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 890 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 891 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 892 | struct _LIBCPP_TEMPLATE_VIS bit_and : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 893 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 894 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 895 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 896 | {return __x & __y;} |
| 897 | }; |
| 898 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 899 | #if _LIBCPP_STD_VER > 11 |
| 900 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 901 | struct _LIBCPP_TEMPLATE_VIS bit_and<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 902 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 903 | template <class _T1, class _T2> |
| 904 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 905 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 906 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u))) |
| 907 | -> decltype (_VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u)) |
| 908 | { return _VSTD::forward<_T1>(__t) & _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 909 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 910 | }; |
| 911 | #endif |
| 912 | |
| 913 | |
| 914 | #if _LIBCPP_STD_VER > 11 |
| 915 | template <class _Tp = void> |
| 916 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 917 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 918 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 919 | struct _LIBCPP_TEMPLATE_VIS bit_or : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 920 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 921 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 922 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 923 | {return __x | __y;} |
| 924 | }; |
| 925 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 926 | #if _LIBCPP_STD_VER > 11 |
| 927 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 928 | struct _LIBCPP_TEMPLATE_VIS bit_or<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 929 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 930 | template <class _T1, class _T2> |
| 931 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 932 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 933 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u))) |
| 934 | -> decltype (_VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u)) |
| 935 | { return _VSTD::forward<_T1>(__t) | _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 936 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 937 | }; |
| 938 | #endif |
| 939 | |
| 940 | |
| 941 | #if _LIBCPP_STD_VER > 11 |
| 942 | template <class _Tp = void> |
| 943 | #else |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 944 | template <class _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 945 | #endif |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 946 | struct _LIBCPP_TEMPLATE_VIS bit_xor : binary_function<_Tp, _Tp, _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 947 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 948 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 949 | _Tp operator()(const _Tp& __x, const _Tp& __y) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 950 | {return __x ^ __y;} |
| 951 | }; |
| 952 | |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 953 | #if _LIBCPP_STD_VER > 11 |
| 954 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 955 | struct _LIBCPP_TEMPLATE_VIS bit_xor<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 956 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 957 | template <class _T1, class _T2> |
| 958 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 959 | auto operator()(_T1&& __t, _T2&& __u) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 960 | _NOEXCEPT_(noexcept(_VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u))) |
| 961 | -> decltype (_VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u)) |
| 962 | { return _VSTD::forward<_T1>(__t) ^ _VSTD::forward<_T2>(__u); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 963 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 964 | }; |
| 965 | #endif |
| 966 | |
| 967 | |
| 968 | #if _LIBCPP_STD_VER > 11 |
| 969 | template <class _Tp = void> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 970 | struct _LIBCPP_TEMPLATE_VIS bit_not : unary_function<_Tp, _Tp> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 971 | { |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 972 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 973 | _Tp operator()(const _Tp& __x) const |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 974 | {return ~__x;} |
| 975 | }; |
| 976 | |
| 977 | template <> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 978 | struct _LIBCPP_TEMPLATE_VIS bit_not<void> |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 979 | { |
| 980 | template <class _Tp> |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 981 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 982 | auto operator()(_Tp&& __x) const |
Marshall Clow | 012ca34 | 2015-02-25 12:20:52 +0000 | [diff] [blame] | 983 | _NOEXCEPT_(noexcept(~_VSTD::forward<_Tp>(__x))) |
| 984 | -> decltype (~_VSTD::forward<_Tp>(__x)) |
| 985 | { return ~_VSTD::forward<_Tp>(__x); } |
Marshall Clow | c015214 | 2013-08-13 01:11:06 +0000 | [diff] [blame] | 986 | typedef void is_transparent; |
Marshall Clow | 974bae2 | 2013-07-29 14:21:53 +0000 | [diff] [blame] | 987 | }; |
| 988 | #endif |
| 989 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 990 | template <class _Predicate> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 991 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 unary_negate |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 992 | : public unary_function<typename _Predicate::argument_type, bool> |
| 993 | { |
| 994 | _Predicate __pred_; |
| 995 | public: |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 996 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 997 | explicit unary_negate(const _Predicate& __pred) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 998 | : __pred_(__pred) {} |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 999 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 1000 | bool operator()(const typename _Predicate::argument_type& __x) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1001 | {return !__pred_(__x);} |
| 1002 | }; |
| 1003 | |
| 1004 | template <class _Predicate> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1005 | _LIBCPP_DEPRECATED_IN_CXX17 inline _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1006 | unary_negate<_Predicate> |
| 1007 | not1(const _Predicate& __pred) {return unary_negate<_Predicate>(__pred);} |
| 1008 | |
| 1009 | template <class _Predicate> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1010 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX17 binary_negate |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1011 | : public binary_function<typename _Predicate::first_argument_type, |
| 1012 | typename _Predicate::second_argument_type, |
| 1013 | bool> |
| 1014 | { |
| 1015 | _Predicate __pred_; |
| 1016 | public: |
Louis Dionne | 44bcff9 | 2018-08-03 22:36:53 +0000 | [diff] [blame] | 1017 | _LIBCPP_INLINE_VISIBILITY explicit _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Marshall Clow | d18ee65 | 2013-09-28 19:06:12 +0000 | [diff] [blame] | 1018 | binary_negate(const _Predicate& __pred) : __pred_(__pred) {} |
| 1019 | |
| 1020 | _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
| 1021 | bool operator()(const typename _Predicate::first_argument_type& __x, |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1022 | const typename _Predicate::second_argument_type& __y) const |
| 1023 | {return !__pred_(__x, __y);} |
| 1024 | }; |
| 1025 | |
| 1026 | template <class _Predicate> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1027 | _LIBCPP_DEPRECATED_IN_CXX17 inline _LIBCPP_CONSTEXPR_AFTER_CXX11 _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1028 | binary_negate<_Predicate> |
| 1029 | not2(const _Predicate& __pred) {return binary_negate<_Predicate>(__pred);} |
| 1030 | |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 1031 | #if _LIBCPP_STD_VER <= 14 || defined(_LIBCPP_ENABLE_CXX17_REMOVED_BINDERS) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1032 | template <class __Operation> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1033 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binder1st |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1034 | : public unary_function<typename __Operation::second_argument_type, |
| 1035 | typename __Operation::result_type> |
| 1036 | { |
| 1037 | protected: |
| 1038 | __Operation op; |
| 1039 | typename __Operation::first_argument_type value; |
| 1040 | public: |
| 1041 | _LIBCPP_INLINE_VISIBILITY binder1st(const __Operation& __x, |
| 1042 | const typename __Operation::first_argument_type __y) |
| 1043 | : op(__x), value(__y) {} |
| 1044 | _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() |
| 1045 | (typename __Operation::second_argument_type& __x) const |
| 1046 | {return op(value, __x);} |
| 1047 | _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() |
| 1048 | (const typename __Operation::second_argument_type& __x) const |
| 1049 | {return op(value, __x);} |
| 1050 | }; |
| 1051 | |
| 1052 | template <class __Operation, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1053 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1054 | binder1st<__Operation> |
| 1055 | bind1st(const __Operation& __op, const _Tp& __x) |
| 1056 | {return binder1st<__Operation>(__op, __x);} |
| 1057 | |
| 1058 | template <class __Operation> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1059 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 binder2nd |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1060 | : public unary_function<typename __Operation::first_argument_type, |
| 1061 | typename __Operation::result_type> |
| 1062 | { |
| 1063 | protected: |
| 1064 | __Operation op; |
| 1065 | typename __Operation::second_argument_type value; |
| 1066 | public: |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1067 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1068 | binder2nd(const __Operation& __x, const typename __Operation::second_argument_type __y) |
| 1069 | : op(__x), value(__y) {} |
| 1070 | _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() |
| 1071 | ( typename __Operation::first_argument_type& __x) const |
| 1072 | {return op(__x, value);} |
| 1073 | _LIBCPP_INLINE_VISIBILITY typename __Operation::result_type operator() |
| 1074 | (const typename __Operation::first_argument_type& __x) const |
| 1075 | {return op(__x, value);} |
| 1076 | }; |
| 1077 | |
| 1078 | template <class __Operation, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1079 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1080 | binder2nd<__Operation> |
| 1081 | bind2nd(const __Operation& __op, const _Tp& __x) |
| 1082 | {return binder2nd<__Operation>(__op, __x);} |
| 1083 | |
| 1084 | template <class _Arg, class _Result> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1085 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 pointer_to_unary_function |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1086 | : public unary_function<_Arg, _Result> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1087 | { |
| 1088 | _Result (*__f_)(_Arg); |
| 1089 | public: |
| 1090 | _LIBCPP_INLINE_VISIBILITY explicit pointer_to_unary_function(_Result (*__f)(_Arg)) |
| 1091 | : __f_(__f) {} |
| 1092 | _LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg __x) const |
| 1093 | {return __f_(__x);} |
| 1094 | }; |
| 1095 | |
| 1096 | template <class _Arg, class _Result> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1097 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1098 | pointer_to_unary_function<_Arg,_Result> |
| 1099 | ptr_fun(_Result (*__f)(_Arg)) |
| 1100 | {return pointer_to_unary_function<_Arg,_Result>(__f);} |
| 1101 | |
| 1102 | template <class _Arg1, class _Arg2, class _Result> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1103 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 pointer_to_binary_function |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1104 | : public binary_function<_Arg1, _Arg2, _Result> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1105 | { |
| 1106 | _Result (*__f_)(_Arg1, _Arg2); |
| 1107 | public: |
| 1108 | _LIBCPP_INLINE_VISIBILITY explicit pointer_to_binary_function(_Result (*__f)(_Arg1, _Arg2)) |
| 1109 | : __f_(__f) {} |
| 1110 | _LIBCPP_INLINE_VISIBILITY _Result operator()(_Arg1 __x, _Arg2 __y) const |
| 1111 | {return __f_(__x, __y);} |
| 1112 | }; |
| 1113 | |
| 1114 | template <class _Arg1, class _Arg2, class _Result> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1115 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1116 | pointer_to_binary_function<_Arg1,_Arg2,_Result> |
| 1117 | ptr_fun(_Result (*__f)(_Arg1,_Arg2)) |
| 1118 | {return pointer_to_binary_function<_Arg1,_Arg2,_Result>(__f);} |
| 1119 | |
| 1120 | template<class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1121 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 mem_fun_t |
| 1122 | : public unary_function<_Tp*, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1123 | { |
| 1124 | _Sp (_Tp::*__p_)(); |
| 1125 | public: |
| 1126 | _LIBCPP_INLINE_VISIBILITY explicit mem_fun_t(_Sp (_Tp::*__p)()) |
| 1127 | : __p_(__p) {} |
| 1128 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp* __p) const |
| 1129 | {return (__p->*__p_)();} |
| 1130 | }; |
| 1131 | |
| 1132 | template<class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1133 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 mem_fun1_t |
| 1134 | : public binary_function<_Tp*, _Ap, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1135 | { |
| 1136 | _Sp (_Tp::*__p_)(_Ap); |
| 1137 | public: |
| 1138 | _LIBCPP_INLINE_VISIBILITY explicit mem_fun1_t(_Sp (_Tp::*__p)(_Ap)) |
| 1139 | : __p_(__p) {} |
| 1140 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp* __p, _Ap __x) const |
| 1141 | {return (__p->*__p_)(__x);} |
| 1142 | }; |
| 1143 | |
| 1144 | template<class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1145 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1146 | mem_fun_t<_Sp,_Tp> |
| 1147 | mem_fun(_Sp (_Tp::*__f)()) |
| 1148 | {return mem_fun_t<_Sp,_Tp>(__f);} |
| 1149 | |
| 1150 | template<class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1151 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1152 | mem_fun1_t<_Sp,_Tp,_Ap> |
| 1153 | mem_fun(_Sp (_Tp::*__f)(_Ap)) |
| 1154 | {return mem_fun1_t<_Sp,_Tp,_Ap>(__f);} |
| 1155 | |
| 1156 | template<class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1157 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 mem_fun_ref_t |
| 1158 | : public unary_function<_Tp, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1159 | { |
| 1160 | _Sp (_Tp::*__p_)(); |
| 1161 | public: |
| 1162 | _LIBCPP_INLINE_VISIBILITY explicit mem_fun_ref_t(_Sp (_Tp::*__p)()) |
| 1163 | : __p_(__p) {} |
| 1164 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp& __p) const |
| 1165 | {return (__p.*__p_)();} |
| 1166 | }; |
| 1167 | |
| 1168 | template<class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1169 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 mem_fun1_ref_t |
| 1170 | : public binary_function<_Tp, _Ap, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1171 | { |
| 1172 | _Sp (_Tp::*__p_)(_Ap); |
| 1173 | public: |
| 1174 | _LIBCPP_INLINE_VISIBILITY explicit mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap)) |
| 1175 | : __p_(__p) {} |
| 1176 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(_Tp& __p, _Ap __x) const |
| 1177 | {return (__p.*__p_)(__x);} |
| 1178 | }; |
| 1179 | |
| 1180 | template<class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1181 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1182 | mem_fun_ref_t<_Sp,_Tp> |
| 1183 | mem_fun_ref(_Sp (_Tp::*__f)()) |
| 1184 | {return mem_fun_ref_t<_Sp,_Tp>(__f);} |
| 1185 | |
| 1186 | template<class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1187 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1188 | mem_fun1_ref_t<_Sp,_Tp,_Ap> |
| 1189 | mem_fun_ref(_Sp (_Tp::*__f)(_Ap)) |
| 1190 | {return mem_fun1_ref_t<_Sp,_Tp,_Ap>(__f);} |
| 1191 | |
| 1192 | template <class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1193 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 const_mem_fun_t |
| 1194 | : public unary_function<const _Tp*, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1195 | { |
| 1196 | _Sp (_Tp::*__p_)() const; |
| 1197 | public: |
| 1198 | _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun_t(_Sp (_Tp::*__p)() const) |
| 1199 | : __p_(__p) {} |
| 1200 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp* __p) const |
| 1201 | {return (__p->*__p_)();} |
| 1202 | }; |
| 1203 | |
| 1204 | template <class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1205 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 const_mem_fun1_t |
| 1206 | : public binary_function<const _Tp*, _Ap, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1207 | { |
| 1208 | _Sp (_Tp::*__p_)(_Ap) const; |
| 1209 | public: |
| 1210 | _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun1_t(_Sp (_Tp::*__p)(_Ap) const) |
| 1211 | : __p_(__p) {} |
| 1212 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp* __p, _Ap __x) const |
| 1213 | {return (__p->*__p_)(__x);} |
| 1214 | }; |
| 1215 | |
| 1216 | template <class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1217 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1218 | const_mem_fun_t<_Sp,_Tp> |
| 1219 | mem_fun(_Sp (_Tp::*__f)() const) |
| 1220 | {return const_mem_fun_t<_Sp,_Tp>(__f);} |
| 1221 | |
| 1222 | template <class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1223 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1224 | const_mem_fun1_t<_Sp,_Tp,_Ap> |
| 1225 | mem_fun(_Sp (_Tp::*__f)(_Ap) const) |
| 1226 | {return const_mem_fun1_t<_Sp,_Tp,_Ap>(__f);} |
| 1227 | |
| 1228 | template <class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1229 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 const_mem_fun_ref_t |
| 1230 | : public unary_function<_Tp, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1231 | { |
| 1232 | _Sp (_Tp::*__p_)() const; |
| 1233 | public: |
| 1234 | _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun_ref_t(_Sp (_Tp::*__p)() const) |
| 1235 | : __p_(__p) {} |
| 1236 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp& __p) const |
| 1237 | {return (__p.*__p_)();} |
| 1238 | }; |
| 1239 | |
| 1240 | template <class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1241 | class _LIBCPP_TEMPLATE_VIS _LIBCPP_DEPRECATED_IN_CXX11 const_mem_fun1_ref_t |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1242 | : public binary_function<_Tp, _Ap, _Sp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1243 | { |
| 1244 | _Sp (_Tp::*__p_)(_Ap) const; |
| 1245 | public: |
| 1246 | _LIBCPP_INLINE_VISIBILITY explicit const_mem_fun1_ref_t(_Sp (_Tp::*__p)(_Ap) const) |
| 1247 | : __p_(__p) {} |
| 1248 | _LIBCPP_INLINE_VISIBILITY _Sp operator()(const _Tp& __p, _Ap __x) const |
| 1249 | {return (__p.*__p_)(__x);} |
| 1250 | }; |
| 1251 | |
| 1252 | template <class _Sp, class _Tp> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1253 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1254 | const_mem_fun_ref_t<_Sp,_Tp> |
| 1255 | mem_fun_ref(_Sp (_Tp::*__f)() const) |
| 1256 | {return const_mem_fun_ref_t<_Sp,_Tp>(__f);} |
| 1257 | |
| 1258 | template <class _Sp, class _Tp, class _Ap> |
Louis Dionne | 481a266 | 2018-09-23 18:35:00 +0000 | [diff] [blame] | 1259 | _LIBCPP_DEPRECATED_IN_CXX11 inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1260 | const_mem_fun1_ref_t<_Sp,_Tp,_Ap> |
| 1261 | mem_fun_ref(_Sp (_Tp::*__f)(_Ap) const) |
| 1262 | {return const_mem_fun1_ref_t<_Sp,_Tp,_Ap>(__f);} |
Marshall Clow | 26a027c | 2017-04-13 18:25:32 +0000 | [diff] [blame] | 1263 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1264 | |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 1265 | //////////////////////////////////////////////////////////////////////////////// |
| 1266 | // MEMFUN |
| 1267 | //============================================================================== |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1268 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1269 | template <class _Tp> |
| 1270 | class __mem_fn |
| 1271 | : public __weak_result_type<_Tp> |
| 1272 | { |
| 1273 | public: |
| 1274 | // types |
| 1275 | typedef _Tp type; |
| 1276 | private: |
| 1277 | type __f_; |
| 1278 | |
| 1279 | public: |
Marshall Clow | ad8ff21 | 2015-10-25 20:12:16 +0000 | [diff] [blame] | 1280 | _LIBCPP_INLINE_VISIBILITY __mem_fn(type __f) _NOEXCEPT : __f_(__f) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1281 | |
Eric Fiselier | a9ae7a6 | 2017-04-19 01:28:47 +0000 | [diff] [blame] | 1282 | #ifndef _LIBCPP_CXX03_LANG |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1283 | // invoke |
| 1284 | template <class... _ArgTypes> |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1285 | _LIBCPP_INLINE_VISIBILITY |
| 1286 | typename __invoke_return<type, _ArgTypes...>::type |
| 1287 | operator() (_ArgTypes&&... __args) const { |
| 1288 | return __invoke(__f_, _VSTD::forward<_ArgTypes>(__args)...); |
| 1289 | } |
| 1290 | #else |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1291 | |
| 1292 | template <class _A0> |
Eric Fiselier | ce1813a | 2015-08-26 20:15:02 +0000 | [diff] [blame] | 1293 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1294 | typename __invoke_return0<type, _A0>::type |
| 1295 | operator() (_A0& __a0) const { |
| 1296 | return __invoke(__f_, __a0); |
| 1297 | } |
| 1298 | |
Eric Fiselier | ce1813a | 2015-08-26 20:15:02 +0000 | [diff] [blame] | 1299 | template <class _A0> |
| 1300 | _LIBCPP_INLINE_VISIBILITY |
| 1301 | typename __invoke_return0<type, _A0 const>::type |
| 1302 | operator() (_A0 const& __a0) const { |
| 1303 | return __invoke(__f_, __a0); |
| 1304 | } |
| 1305 | |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1306 | template <class _A0, class _A1> |
Eric Fiselier | ce1813a | 2015-08-26 20:15:02 +0000 | [diff] [blame] | 1307 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1308 | typename __invoke_return1<type, _A0, _A1>::type |
| 1309 | operator() (_A0& __a0, _A1& __a1) const { |
| 1310 | return __invoke(__f_, __a0, __a1); |
| 1311 | } |
| 1312 | |
Eric Fiselier | ce1813a | 2015-08-26 20:15:02 +0000 | [diff] [blame] | 1313 | template <class _A0, class _A1> |
| 1314 | _LIBCPP_INLINE_VISIBILITY |
| 1315 | typename __invoke_return1<type, _A0 const, _A1>::type |
| 1316 | operator() (_A0 const& __a0, _A1& __a1) const { |
| 1317 | return __invoke(__f_, __a0, __a1); |
| 1318 | } |
| 1319 | |
| 1320 | template <class _A0, class _A1> |
| 1321 | _LIBCPP_INLINE_VISIBILITY |
| 1322 | typename __invoke_return1<type, _A0, _A1 const>::type |
| 1323 | operator() (_A0& __a0, _A1 const& __a1) const { |
| 1324 | return __invoke(__f_, __a0, __a1); |
| 1325 | } |
| 1326 | |
| 1327 | template <class _A0, class _A1> |
| 1328 | _LIBCPP_INLINE_VISIBILITY |
| 1329 | typename __invoke_return1<type, _A0 const, _A1 const>::type |
| 1330 | operator() (_A0 const& __a0, _A1 const& __a1) const { |
| 1331 | return __invoke(__f_, __a0, __a1); |
| 1332 | } |
| 1333 | |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1334 | template <class _A0, class _A1, class _A2> |
Eric Fiselier | ce1813a | 2015-08-26 20:15:02 +0000 | [diff] [blame] | 1335 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1336 | typename __invoke_return2<type, _A0, _A1, _A2>::type |
| 1337 | operator() (_A0& __a0, _A1& __a1, _A2& __a2) const { |
| 1338 | return __invoke(__f_, __a0, __a1, __a2); |
| 1339 | } |
Eric Fiselier | ce1813a | 2015-08-26 20:15:02 +0000 | [diff] [blame] | 1340 | |
| 1341 | template <class _A0, class _A1, class _A2> |
| 1342 | _LIBCPP_INLINE_VISIBILITY |
| 1343 | typename __invoke_return2<type, _A0 const, _A1, _A2>::type |
| 1344 | operator() (_A0 const& __a0, _A1& __a1, _A2& __a2) const { |
| 1345 | return __invoke(__f_, __a0, __a1, __a2); |
| 1346 | } |
| 1347 | |
| 1348 | template <class _A0, class _A1, class _A2> |
| 1349 | _LIBCPP_INLINE_VISIBILITY |
| 1350 | typename __invoke_return2<type, _A0, _A1 const, _A2>::type |
| 1351 | operator() (_A0& __a0, _A1 const& __a1, _A2& __a2) const { |
| 1352 | return __invoke(__f_, __a0, __a1, __a2); |
| 1353 | } |
| 1354 | |
| 1355 | template <class _A0, class _A1, class _A2> |
| 1356 | _LIBCPP_INLINE_VISIBILITY |
| 1357 | typename __invoke_return2<type, _A0, _A1, _A2 const>::type |
| 1358 | operator() (_A0& __a0, _A1& __a1, _A2 const& __a2) const { |
| 1359 | return __invoke(__f_, __a0, __a1, __a2); |
| 1360 | } |
| 1361 | |
| 1362 | template <class _A0, class _A1, class _A2> |
| 1363 | _LIBCPP_INLINE_VISIBILITY |
| 1364 | typename __invoke_return2<type, _A0 const, _A1 const, _A2>::type |
| 1365 | operator() (_A0 const& __a0, _A1 const& __a1, _A2& __a2) const { |
| 1366 | return __invoke(__f_, __a0, __a1, __a2); |
| 1367 | } |
| 1368 | |
| 1369 | template <class _A0, class _A1, class _A2> |
| 1370 | _LIBCPP_INLINE_VISIBILITY |
| 1371 | typename __invoke_return2<type, _A0 const, _A1, _A2 const>::type |
| 1372 | operator() (_A0 const& __a0, _A1& __a1, _A2 const& __a2) const { |
| 1373 | return __invoke(__f_, __a0, __a1, __a2); |
| 1374 | } |
| 1375 | |
| 1376 | template <class _A0, class _A1, class _A2> |
| 1377 | _LIBCPP_INLINE_VISIBILITY |
| 1378 | typename __invoke_return2<type, _A0, _A1 const, _A2 const>::type |
| 1379 | operator() (_A0& __a0, _A1 const& __a1, _A2 const& __a2) const { |
| 1380 | return __invoke(__f_, __a0, __a1, __a2); |
| 1381 | } |
| 1382 | |
| 1383 | template <class _A0, class _A1, class _A2> |
| 1384 | _LIBCPP_INLINE_VISIBILITY |
| 1385 | typename __invoke_return2<type, _A0 const, _A1 const, _A2 const>::type |
| 1386 | operator() (_A0 const& __a0, _A1 const& __a1, _A2 const& __a2) const { |
| 1387 | return __invoke(__f_, __a0, __a1, __a2); |
| 1388 | } |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 1389 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1390 | }; |
| 1391 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1392 | template<class _Rp, class _Tp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1393 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1394 | __mem_fn<_Rp _Tp::*> |
Marshall Clow | ad8ff21 | 2015-10-25 20:12:16 +0000 | [diff] [blame] | 1395 | mem_fn(_Rp _Tp::* __pm) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1396 | { |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1397 | return __mem_fn<_Rp _Tp::*>(__pm); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1398 | } |
| 1399 | |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 1400 | //////////////////////////////////////////////////////////////////////////////// |
| 1401 | // FUNCTION |
| 1402 | //============================================================================== |
| 1403 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1404 | // bad_function_call |
| 1405 | |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1406 | class _LIBCPP_EXCEPTION_ABI bad_function_call |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1407 | : public exception |
| 1408 | { |
Shoaib Meenai | c130eaf | 2017-03-28 19:33:31 +0000 | [diff] [blame] | 1409 | #ifdef _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION |
| 1410 | public: |
| 1411 | virtual ~bad_function_call() _NOEXCEPT; |
| 1412 | |
| 1413 | virtual const char* what() const _NOEXCEPT; |
| 1414 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1415 | }; |
| 1416 | |
Louis Dionne | 16fe295 | 2018-07-11 23:14:33 +0000 | [diff] [blame] | 1417 | _LIBCPP_NORETURN inline _LIBCPP_INLINE_VISIBILITY |
Marshall Clow | 8fea161 | 2016-08-25 15:09:01 +0000 | [diff] [blame] | 1418 | void __throw_bad_function_call() |
| 1419 | { |
| 1420 | #ifndef _LIBCPP_NO_EXCEPTIONS |
| 1421 | throw bad_function_call(); |
| 1422 | #else |
Louis Dionne | 44bcff9 | 2018-08-03 22:36:53 +0000 | [diff] [blame] | 1423 | _VSTD::abort(); |
Marshall Clow | 8fea161 | 2016-08-25 15:09:01 +0000 | [diff] [blame] | 1424 | #endif |
| 1425 | } |
| 1426 | |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 1427 | template<class _Fp> class _LIBCPP_TEMPLATE_VIS function; // undefined |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1428 | |
| 1429 | namespace __function |
| 1430 | { |
| 1431 | |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 1432 | template<class _Rp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1433 | struct __maybe_derive_from_unary_function |
| 1434 | { |
| 1435 | }; |
| 1436 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1437 | template<class _Rp, class _A1> |
| 1438 | struct __maybe_derive_from_unary_function<_Rp(_A1)> |
| 1439 | : public unary_function<_A1, _Rp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1440 | { |
| 1441 | }; |
| 1442 | |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 1443 | template<class _Rp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1444 | struct __maybe_derive_from_binary_function |
| 1445 | { |
| 1446 | }; |
| 1447 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1448 | template<class _Rp, class _A1, class _A2> |
| 1449 | struct __maybe_derive_from_binary_function<_Rp(_A1, _A2)> |
| 1450 | : public binary_function<_A1, _A2, _Rp> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1451 | { |
| 1452 | }; |
| 1453 | |
Eric Fiselier | a584a1e | 2015-08-18 19:41:51 +0000 | [diff] [blame] | 1454 | template <class _Fp> |
| 1455 | _LIBCPP_INLINE_VISIBILITY |
| 1456 | bool __not_null(_Fp const&) { return true; } |
| 1457 | |
| 1458 | template <class _Fp> |
| 1459 | _LIBCPP_INLINE_VISIBILITY |
| 1460 | bool __not_null(_Fp* __ptr) { return __ptr; } |
| 1461 | |
| 1462 | template <class _Ret, class _Class> |
| 1463 | _LIBCPP_INLINE_VISIBILITY |
| 1464 | bool __not_null(_Ret _Class::*__ptr) { return __ptr; } |
| 1465 | |
| 1466 | template <class _Fp> |
| 1467 | _LIBCPP_INLINE_VISIBILITY |
| 1468 | bool __not_null(function<_Fp> const& __f) { return !!__f; } |
| 1469 | |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 1470 | } // namespace __function |
| 1471 | |
Eric Fiselier | a9ae7a6 | 2017-04-19 01:28:47 +0000 | [diff] [blame] | 1472 | #ifndef _LIBCPP_CXX03_LANG |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 1473 | |
| 1474 | namespace __function { |
| 1475 | |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1476 | // __alloc_func holds a functor and an allocator. |
| 1477 | |
| 1478 | template <class _Fp, class _Ap, class _FB> class __alloc_func; |
| 1479 | |
| 1480 | template <class _Fp, class _Ap, class _Rp, class... _ArgTypes> |
| 1481 | class __alloc_func<_Fp, _Ap, _Rp(_ArgTypes...)> |
| 1482 | { |
| 1483 | __compressed_pair<_Fp, _Ap> __f_; |
| 1484 | |
| 1485 | public: |
| 1486 | typedef _Fp _Target; |
| 1487 | typedef _Ap _Alloc; |
| 1488 | |
| 1489 | _LIBCPP_INLINE_VISIBILITY |
| 1490 | const _Target& __target() const { return __f_.first(); } |
| 1491 | |
| 1492 | _LIBCPP_INLINE_VISIBILITY |
| 1493 | const _Alloc& __allocator() const { return __f_.second(); } |
| 1494 | |
| 1495 | _LIBCPP_INLINE_VISIBILITY |
| 1496 | explicit __alloc_func(_Target&& __f) |
| 1497 | : __f_(piecewise_construct, _VSTD::forward_as_tuple(_VSTD::move(__f)), |
| 1498 | _VSTD::forward_as_tuple()) |
| 1499 | { |
| 1500 | } |
| 1501 | |
| 1502 | _LIBCPP_INLINE_VISIBILITY |
| 1503 | explicit __alloc_func(const _Target& __f, const _Alloc& __a) |
| 1504 | : __f_(piecewise_construct, _VSTD::forward_as_tuple(__f), |
| 1505 | _VSTD::forward_as_tuple(__a)) |
| 1506 | { |
| 1507 | } |
| 1508 | |
| 1509 | _LIBCPP_INLINE_VISIBILITY |
| 1510 | explicit __alloc_func(const _Target& __f, _Alloc&& __a) |
| 1511 | : __f_(piecewise_construct, _VSTD::forward_as_tuple(__f), |
| 1512 | _VSTD::forward_as_tuple(_VSTD::move(__a))) |
| 1513 | { |
| 1514 | } |
| 1515 | |
| 1516 | _LIBCPP_INLINE_VISIBILITY |
| 1517 | explicit __alloc_func(_Target&& __f, _Alloc&& __a) |
| 1518 | : __f_(piecewise_construct, _VSTD::forward_as_tuple(_VSTD::move(__f)), |
| 1519 | _VSTD::forward_as_tuple(_VSTD::move(__a))) |
| 1520 | { |
| 1521 | } |
| 1522 | |
| 1523 | _LIBCPP_INLINE_VISIBILITY |
| 1524 | _Rp operator()(_ArgTypes&&... __arg) |
| 1525 | { |
| 1526 | typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
| 1527 | return _Invoker::__call(__f_.first(), |
| 1528 | _VSTD::forward<_ArgTypes>(__arg)...); |
| 1529 | } |
| 1530 | |
| 1531 | _LIBCPP_INLINE_VISIBILITY |
| 1532 | __alloc_func* __clone() const |
| 1533 | { |
| 1534 | typedef allocator_traits<_Alloc> __alloc_traits; |
| 1535 | typedef |
| 1536 | typename __rebind_alloc_helper<__alloc_traits, __alloc_func>::type |
| 1537 | _AA; |
| 1538 | _AA __a(__f_.second()); |
| 1539 | typedef __allocator_destructor<_AA> _Dp; |
| 1540 | unique_ptr<__alloc_func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
| 1541 | ::new ((void*)__hold.get()) __alloc_func(__f_.first(), _Alloc(__a)); |
| 1542 | return __hold.release(); |
| 1543 | } |
| 1544 | |
| 1545 | _LIBCPP_INLINE_VISIBILITY |
| 1546 | void destroy() _NOEXCEPT { __f_.~__compressed_pair<_Target, _Alloc>(); } |
| 1547 | }; |
| 1548 | |
| 1549 | // __base provides an abstract interface for copyable functors. |
| 1550 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1551 | template<class _Fp> class __base; |
| 1552 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1553 | template<class _Rp, class ..._ArgTypes> |
| 1554 | class __base<_Rp(_ArgTypes...)> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1555 | { |
| 1556 | __base(const __base&); |
| 1557 | __base& operator=(const __base&); |
| 1558 | public: |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1559 | _LIBCPP_INLINE_VISIBILITY __base() {} |
| 1560 | _LIBCPP_INLINE_VISIBILITY virtual ~__base() {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1561 | virtual __base* __clone() const = 0; |
| 1562 | virtual void __clone(__base*) const = 0; |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 1563 | virtual void destroy() _NOEXCEPT = 0; |
| 1564 | virtual void destroy_deallocate() _NOEXCEPT = 0; |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1565 | virtual _Rp operator()(_ArgTypes&& ...) = 0; |
Howard Hinnant | 72f7358 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 1566 | #ifndef _LIBCPP_NO_RTTI |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 1567 | virtual const void* target(const type_info&) const _NOEXCEPT = 0; |
| 1568 | virtual const std::type_info& target_type() const _NOEXCEPT = 0; |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1569 | #endif // _LIBCPP_NO_RTTI |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1570 | }; |
| 1571 | |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1572 | // __func implements __base for a given functor type. |
| 1573 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1574 | template<class _FD, class _Alloc, class _FB> class __func; |
| 1575 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1576 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
| 1577 | class __func<_Fp, _Alloc, _Rp(_ArgTypes...)> |
| 1578 | : public __base<_Rp(_ArgTypes...)> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1579 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1580 | __alloc_func<_Fp, _Alloc, _Rp(_ArgTypes...)> __f_; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1581 | public: |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1582 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 4828c4a | 2012-02-28 19:47:38 +0000 | [diff] [blame] | 1583 | explicit __func(_Fp&& __f) |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1584 | : __f_(_VSTD::move(__f)) {} |
| 1585 | |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 1586 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | 4828c4a | 2012-02-28 19:47:38 +0000 | [diff] [blame] | 1587 | explicit __func(const _Fp& __f, const _Alloc& __a) |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1588 | : __f_(__f, __a) {} |
Howard Hinnant | 4828c4a | 2012-02-28 19:47:38 +0000 | [diff] [blame] | 1589 | |
| 1590 | _LIBCPP_INLINE_VISIBILITY |
| 1591 | explicit __func(const _Fp& __f, _Alloc&& __a) |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1592 | : __f_(__f, _VSTD::move(__a)) {} |
Howard Hinnant | 4828c4a | 2012-02-28 19:47:38 +0000 | [diff] [blame] | 1593 | |
| 1594 | _LIBCPP_INLINE_VISIBILITY |
| 1595 | explicit __func(_Fp&& __f, _Alloc&& __a) |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1596 | : __f_(_VSTD::move(__f), _VSTD::move(__a)) {} |
| 1597 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1598 | virtual __base<_Rp(_ArgTypes...)>* __clone() const; |
| 1599 | virtual void __clone(__base<_Rp(_ArgTypes...)>*) const; |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 1600 | virtual void destroy() _NOEXCEPT; |
| 1601 | virtual void destroy_deallocate() _NOEXCEPT; |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1602 | virtual _Rp operator()(_ArgTypes&&... __arg); |
Howard Hinnant | 72f7358 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 1603 | #ifndef _LIBCPP_NO_RTTI |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 1604 | virtual const void* target(const type_info&) const _NOEXCEPT; |
| 1605 | virtual const std::type_info& target_type() const _NOEXCEPT; |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1606 | #endif // _LIBCPP_NO_RTTI |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1607 | }; |
| 1608 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1609 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
| 1610 | __base<_Rp(_ArgTypes...)>* |
| 1611 | __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::__clone() const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1612 | { |
Eric Fiselier | b5826ad | 2015-03-18 22:56:50 +0000 | [diff] [blame] | 1613 | typedef allocator_traits<_Alloc> __alloc_traits; |
Marshall Clow | 940e01c | 2015-04-07 05:21:38 +0000 | [diff] [blame] | 1614 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1615 | _Ap __a(__f_.__allocator()); |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1616 | typedef __allocator_destructor<_Ap> _Dp; |
| 1617 | unique_ptr<__func, _Dp> __hold(__a.allocate(1), _Dp(__a, 1)); |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1618 | ::new ((void*)__hold.get()) __func(__f_.__target(), _Alloc(__a)); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1619 | return __hold.release(); |
| 1620 | } |
| 1621 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1622 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1623 | void |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1624 | __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::__clone(__base<_Rp(_ArgTypes...)>* __p) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1625 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1626 | ::new (__p) __func(__f_.__target(), __f_.__allocator()); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1627 | } |
| 1628 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1629 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1630 | void |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1631 | __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::destroy() _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1632 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1633 | __f_.destroy(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1634 | } |
| 1635 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1636 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1637 | void |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1638 | __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::destroy_deallocate() _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1639 | { |
Eric Fiselier | b5826ad | 2015-03-18 22:56:50 +0000 | [diff] [blame] | 1640 | typedef allocator_traits<_Alloc> __alloc_traits; |
Marshall Clow | 940e01c | 2015-04-07 05:21:38 +0000 | [diff] [blame] | 1641 | typedef typename __rebind_alloc_helper<__alloc_traits, __func>::type _Ap; |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1642 | _Ap __a(__f_.__allocator()); |
| 1643 | __f_.destroy(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1644 | __a.deallocate(this, 1); |
| 1645 | } |
| 1646 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1647 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
| 1648 | _Rp |
| 1649 | __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::operator()(_ArgTypes&& ... __arg) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1650 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1651 | return __f_(_VSTD::forward<_ArgTypes>(__arg)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1652 | } |
| 1653 | |
Howard Hinnant | 72f7358 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 1654 | #ifndef _LIBCPP_NO_RTTI |
| 1655 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1656 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1657 | const void* |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1658 | __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::target(const type_info& __ti) const _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1659 | { |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1660 | if (__ti == typeid(_Fp)) |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1661 | return &__f_.__target(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1662 | return (const void*)0; |
| 1663 | } |
| 1664 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1665 | template<class _Fp, class _Alloc, class _Rp, class ..._ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1666 | const std::type_info& |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1667 | __func<_Fp, _Alloc, _Rp(_ArgTypes...)>::target_type() const _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1668 | { |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 1669 | return typeid(_Fp); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 1670 | } |
| 1671 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 1672 | #endif // _LIBCPP_NO_RTTI |
Howard Hinnant | 72f7358 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 1673 | |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 1674 | // __value_func creates a value-type from a __func. |
| 1675 | |
| 1676 | template <class _Fp> class __value_func; |
| 1677 | |
| 1678 | template <class _Rp, class... _ArgTypes> class __value_func<_Rp(_ArgTypes...)> |
| 1679 | { |
| 1680 | typename aligned_storage<3 * sizeof(void*)>::type __buf_; |
| 1681 | |
| 1682 | typedef __base<_Rp(_ArgTypes...)> __func; |
| 1683 | __func* __f_; |
| 1684 | |
| 1685 | _LIBCPP_NO_CFI static __func* __as_base(void* p) |
| 1686 | { |
| 1687 | return reinterpret_cast<__func*>(p); |
| 1688 | } |
| 1689 | |
| 1690 | public: |
| 1691 | _LIBCPP_INLINE_VISIBILITY |
| 1692 | __value_func() _NOEXCEPT : __f_(0) {} |
| 1693 | |
| 1694 | template <class _Fp, class _Alloc> |
| 1695 | _LIBCPP_INLINE_VISIBILITY __value_func(_Fp&& __f, const _Alloc __a) |
| 1696 | : __f_(0) |
| 1697 | { |
| 1698 | typedef allocator_traits<_Alloc> __alloc_traits; |
| 1699 | typedef __function::__func<_Fp, _Alloc, _Rp(_ArgTypes...)> _Fun; |
| 1700 | typedef typename __rebind_alloc_helper<__alloc_traits, _Fun>::type |
| 1701 | _FunAlloc; |
| 1702 | |
| 1703 | if (__function::__not_null(__f)) |
| 1704 | { |
| 1705 | _FunAlloc __af(__a); |
| 1706 | if (sizeof(_Fun) <= sizeof(__buf_) && |
| 1707 | is_nothrow_copy_constructible<_Fp>::value && |
| 1708 | is_nothrow_copy_constructible<_FunAlloc>::value) |
| 1709 | { |
| 1710 | __f_ = |
| 1711 | ::new ((void*)&__buf_) _Fun(_VSTD::move(__f), _Alloc(__af)); |
| 1712 | } |
| 1713 | else |
| 1714 | { |
| 1715 | typedef __allocator_destructor<_FunAlloc> _Dp; |
| 1716 | unique_ptr<__func, _Dp> __hold(__af.allocate(1), _Dp(__af, 1)); |
| 1717 | ::new ((void*)__hold.get()) _Fun(_VSTD::move(__f), _Alloc(__a)); |
| 1718 | __f_ = __hold.release(); |
| 1719 | } |
| 1720 | } |
| 1721 | } |
| 1722 | |
| 1723 | _LIBCPP_INLINE_VISIBILITY |
| 1724 | __value_func(const __value_func& __f) |
| 1725 | { |
| 1726 | if (__f.__f_ == 0) |
| 1727 | __f_ = 0; |
| 1728 | else if ((void*)__f.__f_ == &__f.__buf_) |
| 1729 | { |
| 1730 | __f_ = __as_base(&__buf_); |
| 1731 | __f.__f_->__clone(__f_); |
| 1732 | } |
| 1733 | else |
| 1734 | __f_ = __f.__f_->__clone(); |
| 1735 | } |
| 1736 | |
| 1737 | _LIBCPP_INLINE_VISIBILITY |
| 1738 | __value_func(__value_func&& __f) _NOEXCEPT |
| 1739 | { |
| 1740 | if (__f.__f_ == 0) |
| 1741 | __f_ = 0; |
| 1742 | else if ((void*)__f.__f_ == &__f.__buf_) |
| 1743 | { |
| 1744 | __f_ = __as_base(&__buf_); |
| 1745 | __f.__f_->__clone(__f_); |
| 1746 | } |
| 1747 | else |
| 1748 | { |
| 1749 | __f_ = __f.__f_; |
| 1750 | __f.__f_ = 0; |
| 1751 | } |
| 1752 | } |
| 1753 | |
| 1754 | _LIBCPP_INLINE_VISIBILITY |
| 1755 | ~__value_func() |
| 1756 | { |
| 1757 | if ((void*)__f_ == &__buf_) |
| 1758 | __f_->destroy(); |
| 1759 | else if (__f_) |
| 1760 | __f_->destroy_deallocate(); |
| 1761 | } |
| 1762 | |
| 1763 | _LIBCPP_INLINE_VISIBILITY |
| 1764 | __value_func& operator=(__value_func&& __f) |
| 1765 | { |
| 1766 | *this = nullptr; |
| 1767 | if (__f.__f_ == 0) |
| 1768 | __f_ = 0; |
| 1769 | else if ((void*)__f.__f_ == &__f.__buf_) |
| 1770 | { |
| 1771 | __f_ = __as_base(&__buf_); |
| 1772 | __f.__f_->__clone(__f_); |
| 1773 | } |
| 1774 | else |
| 1775 | { |
| 1776 | __f_ = __f.__f_; |
| 1777 | __f.__f_ = 0; |
| 1778 | } |
| 1779 | return *this; |
| 1780 | } |
| 1781 | |
| 1782 | _LIBCPP_INLINE_VISIBILITY |
| 1783 | __value_func& operator=(nullptr_t) |
| 1784 | { |
| 1785 | __func* __f = __f_; |
| 1786 | __f_ = 0; |
| 1787 | if ((void*)__f == &__buf_) |
| 1788 | __f->destroy(); |
| 1789 | else if (__f) |
| 1790 | __f->destroy_deallocate(); |
| 1791 | return *this; |
| 1792 | } |
| 1793 | |
| 1794 | _LIBCPP_INLINE_VISIBILITY |
| 1795 | _Rp operator()(_ArgTypes&&... __args) const |
| 1796 | { |
| 1797 | if (__f_ == 0) |
| 1798 | __throw_bad_function_call(); |
| 1799 | return (*__f_)(_VSTD::forward<_ArgTypes>(__args)...); |
| 1800 | } |
| 1801 | |
| 1802 | _LIBCPP_INLINE_VISIBILITY |
| 1803 | void swap(__value_func& __f) _NOEXCEPT |
| 1804 | { |
| 1805 | if (&__f == this) |
| 1806 | return; |
| 1807 | if ((void*)__f_ == &__buf_ && (void*)__f.__f_ == &__f.__buf_) |
| 1808 | { |
| 1809 | typename aligned_storage<sizeof(__buf_)>::type __tempbuf; |
| 1810 | __func* __t = __as_base(&__tempbuf); |
| 1811 | __f_->__clone(__t); |
| 1812 | __f_->destroy(); |
| 1813 | __f_ = 0; |
| 1814 | __f.__f_->__clone(__as_base(&__buf_)); |
| 1815 | __f.__f_->destroy(); |
| 1816 | __f.__f_ = 0; |
| 1817 | __f_ = __as_base(&__buf_); |
| 1818 | __t->__clone(__as_base(&__f.__buf_)); |
| 1819 | __t->destroy(); |
| 1820 | __f.__f_ = __as_base(&__f.__buf_); |
| 1821 | } |
| 1822 | else if ((void*)__f_ == &__buf_) |
| 1823 | { |
| 1824 | __f_->__clone(__as_base(&__f.__buf_)); |
| 1825 | __f_->destroy(); |
| 1826 | __f_ = __f.__f_; |
| 1827 | __f.__f_ = __as_base(&__f.__buf_); |
| 1828 | } |
| 1829 | else if ((void*)__f.__f_ == &__f.__buf_) |
| 1830 | { |
| 1831 | __f.__f_->__clone(__as_base(&__buf_)); |
| 1832 | __f.__f_->destroy(); |
| 1833 | __f.__f_ = __f_; |
| 1834 | __f_ = __as_base(&__buf_); |
| 1835 | } |
| 1836 | else |
| 1837 | _VSTD::swap(__f_, __f.__f_); |
| 1838 | } |
| 1839 | |
| 1840 | _LIBCPP_INLINE_VISIBILITY |
| 1841 | _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT { return __f_ != 0; } |
| 1842 | |
| 1843 | #ifndef _LIBCPP_NO_RTTI |
| 1844 | _LIBCPP_INLINE_VISIBILITY |
| 1845 | const std::type_info& target_type() const _NOEXCEPT |
| 1846 | { |
| 1847 | if (__f_ == 0) |
| 1848 | return typeid(void); |
| 1849 | return __f_->target_type(); |
| 1850 | } |
| 1851 | |
| 1852 | template <typename _Tp> |
| 1853 | _LIBCPP_INLINE_VISIBILITY const _Tp* target() const _NOEXCEPT |
| 1854 | { |
| 1855 | if (__f_ == 0) |
| 1856 | return 0; |
| 1857 | return (const _Tp*)__f_->target(typeid(_Tp)); |
| 1858 | } |
| 1859 | #endif // _LIBCPP_NO_RTTI |
| 1860 | }; |
| 1861 | |
Eric Fiselier | f2e6436 | 2018-12-11 00:14:34 +0000 | [diff] [blame] | 1862 | // Storage for a functor object, to be used with __policy to manage copy and |
| 1863 | // destruction. |
| 1864 | union __policy_storage |
| 1865 | { |
| 1866 | mutable char __small[sizeof(void*) * 2]; |
| 1867 | void* __large; |
| 1868 | }; |
| 1869 | |
| 1870 | // True if _Fun can safely be held in __policy_storage.__small. |
| 1871 | template <typename _Fun> |
| 1872 | struct __use_small_storage |
| 1873 | : public _VSTD::integral_constant< |
| 1874 | bool, sizeof(_Fun) <= sizeof(__policy_storage) && |
| 1875 | alignof(_Fun) <= alignof(__policy_storage) && |
| 1876 | _VSTD::is_trivially_copy_constructible<_Fun>::value && |
| 1877 | _VSTD::is_trivially_destructible<_Fun>::value> {}; |
| 1878 | |
| 1879 | // Policy contains information about how to copy, destroy, and move the |
| 1880 | // underlying functor. You can think of it as a vtable of sorts. |
| 1881 | struct __policy |
| 1882 | { |
| 1883 | // Used to copy or destroy __large values. null for trivial objects. |
| 1884 | void* (*const __clone)(const void*); |
| 1885 | void (*const __destroy)(void*); |
| 1886 | |
| 1887 | // True if this is the null policy (no value). |
| 1888 | const bool __is_null; |
| 1889 | |
| 1890 | // The target type. May be null if RTTI is disabled. |
| 1891 | const std::type_info* const __type_info; |
| 1892 | |
| 1893 | // Returns a pointer to a static policy object suitable for the functor |
| 1894 | // type. |
| 1895 | template <typename _Fun> |
| 1896 | _LIBCPP_INLINE_VISIBILITY static const __policy* __create() |
| 1897 | { |
| 1898 | return __choose_policy<_Fun>(__use_small_storage<_Fun>()); |
| 1899 | } |
| 1900 | |
| 1901 | _LIBCPP_INLINE_VISIBILITY |
| 1902 | static const __policy* __create_empty() |
| 1903 | { |
| 1904 | static const _LIBCPP_CONSTEXPR __policy __policy_ = {nullptr, nullptr, |
| 1905 | true, |
| 1906 | #ifndef _LIBCPP_NO_RTTI |
| 1907 | &typeid(void) |
| 1908 | #else |
| 1909 | nullptr |
| 1910 | #endif |
| 1911 | }; |
| 1912 | return &__policy_; |
| 1913 | } |
| 1914 | |
| 1915 | private: |
| 1916 | template <typename _Fun> static void* __large_clone(const void* __s) |
| 1917 | { |
| 1918 | const _Fun* __f = static_cast<const _Fun*>(__s); |
| 1919 | return __f->__clone(); |
| 1920 | } |
| 1921 | |
| 1922 | template <typename _Fun> static void __large_destroy(void* __s) |
| 1923 | { |
| 1924 | typedef allocator_traits<typename _Fun::_Alloc> __alloc_traits; |
| 1925 | typedef typename __rebind_alloc_helper<__alloc_traits, _Fun>::type |
| 1926 | _FunAlloc; |
| 1927 | _Fun* __f = static_cast<_Fun*>(__s); |
| 1928 | _FunAlloc __a(__f->__allocator()); |
| 1929 | __f->destroy(); |
| 1930 | __a.deallocate(__f, 1); |
| 1931 | } |
| 1932 | |
| 1933 | template <typename _Fun> |
| 1934 | _LIBCPP_INLINE_VISIBILITY static const __policy* |
| 1935 | __choose_policy(/* is_small = */ false_type) |
| 1936 | { |
| 1937 | static const _LIBCPP_CONSTEXPR __policy __policy_ = { |
| 1938 | &__large_clone<_Fun>, &__large_destroy<_Fun>, false, |
| 1939 | #ifndef _LIBCPP_NO_RTTI |
| 1940 | &typeid(typename _Fun::_Target) |
| 1941 | #else |
| 1942 | nullptr |
| 1943 | #endif |
| 1944 | }; |
| 1945 | return &__policy_; |
| 1946 | } |
| 1947 | |
| 1948 | template <typename _Fun> |
| 1949 | _LIBCPP_INLINE_VISIBILITY static const __policy* |
| 1950 | __choose_policy(/* is_small = */ true_type) |
| 1951 | { |
| 1952 | static const _LIBCPP_CONSTEXPR __policy __policy_ = { |
| 1953 | nullptr, nullptr, false, |
| 1954 | #ifndef _LIBCPP_NO_RTTI |
| 1955 | &typeid(typename _Fun::_Target) |
| 1956 | #else |
| 1957 | nullptr |
| 1958 | #endif |
| 1959 | }; |
| 1960 | return &__policy_; |
| 1961 | } |
| 1962 | }; |
| 1963 | |
| 1964 | // Used to choose between perfect forwarding or pass-by-value. Pass-by-value is |
| 1965 | // faster for types that can be passed in registers. |
| 1966 | template <typename _Tp> |
| 1967 | using __fast_forward = |
| 1968 | typename _VSTD::conditional<_VSTD::is_scalar<_Tp>::value, _Tp, _Tp&&>::type; |
| 1969 | |
| 1970 | // __policy_invoker calls an instance of __alloc_func held in __policy_storage. |
| 1971 | |
| 1972 | template <class _Fp> struct __policy_invoker; |
| 1973 | |
| 1974 | template <class _Rp, class... _ArgTypes> |
| 1975 | struct __policy_invoker<_Rp(_ArgTypes...)> |
| 1976 | { |
| 1977 | typedef _Rp (*__Call)(const __policy_storage*, |
| 1978 | __fast_forward<_ArgTypes>...); |
| 1979 | |
| 1980 | __Call __call_; |
| 1981 | |
| 1982 | // Creates an invoker that throws bad_function_call. |
| 1983 | _LIBCPP_INLINE_VISIBILITY |
| 1984 | __policy_invoker() : __call_(&__call_empty) {} |
| 1985 | |
| 1986 | // Creates an invoker that calls the given instance of __func. |
| 1987 | template <typename _Fun> |
| 1988 | _LIBCPP_INLINE_VISIBILITY static __policy_invoker __create() |
| 1989 | { |
| 1990 | return __policy_invoker(&__call_impl<_Fun>); |
| 1991 | } |
| 1992 | |
| 1993 | private: |
| 1994 | _LIBCPP_INLINE_VISIBILITY |
| 1995 | explicit __policy_invoker(__Call __c) : __call_(__c) {} |
| 1996 | |
| 1997 | static _Rp __call_empty(const __policy_storage*, |
| 1998 | __fast_forward<_ArgTypes>...) |
| 1999 | { |
| 2000 | __throw_bad_function_call(); |
| 2001 | } |
| 2002 | |
| 2003 | template <typename _Fun> |
| 2004 | static _Rp __call_impl(const __policy_storage* __buf, |
| 2005 | __fast_forward<_ArgTypes>... __args) |
| 2006 | { |
| 2007 | _Fun* __f = reinterpret_cast<_Fun*>(__use_small_storage<_Fun>::value |
| 2008 | ? &__buf->__small |
| 2009 | : __buf->__large); |
| 2010 | return (*__f)(_VSTD::forward<_ArgTypes>(__args)...); |
| 2011 | } |
| 2012 | }; |
| 2013 | |
| 2014 | // __policy_func uses a __policy and __policy_invoker to create a type-erased, |
| 2015 | // copyable functor. |
| 2016 | |
| 2017 | template <class _Fp> class __policy_func; |
| 2018 | |
| 2019 | template <class _Rp, class... _ArgTypes> class __policy_func<_Rp(_ArgTypes...)> |
| 2020 | { |
| 2021 | // Inline storage for small objects. |
| 2022 | __policy_storage __buf_; |
| 2023 | |
| 2024 | // Calls the value stored in __buf_. This could technically be part of |
| 2025 | // policy, but storing it here eliminates a level of indirection inside |
| 2026 | // operator(). |
| 2027 | typedef __function::__policy_invoker<_Rp(_ArgTypes...)> __invoker; |
| 2028 | __invoker __invoker_; |
| 2029 | |
| 2030 | // The policy that describes how to move / copy / destroy __buf_. Never |
| 2031 | // null, even if the function is empty. |
| 2032 | const __policy* __policy_; |
| 2033 | |
| 2034 | public: |
| 2035 | _LIBCPP_INLINE_VISIBILITY |
| 2036 | __policy_func() : __policy_(__policy::__create_empty()) {} |
| 2037 | |
| 2038 | template <class _Fp, class _Alloc> |
| 2039 | _LIBCPP_INLINE_VISIBILITY __policy_func(_Fp&& __f, const _Alloc& __a) |
| 2040 | : __policy_(__policy::__create_empty()) |
| 2041 | { |
| 2042 | typedef __alloc_func<_Fp, _Alloc, _Rp(_ArgTypes...)> _Fun; |
| 2043 | typedef allocator_traits<_Alloc> __alloc_traits; |
| 2044 | typedef typename __rebind_alloc_helper<__alloc_traits, _Fun>::type |
| 2045 | _FunAlloc; |
| 2046 | |
| 2047 | if (__function::__not_null(__f)) |
| 2048 | { |
| 2049 | __invoker_ = __invoker::template __create<_Fun>(); |
| 2050 | __policy_ = __policy::__create<_Fun>(); |
| 2051 | |
| 2052 | _FunAlloc __af(__a); |
| 2053 | if (__use_small_storage<_Fun>()) |
| 2054 | { |
| 2055 | ::new ((void*)&__buf_.__small) |
| 2056 | _Fun(_VSTD::move(__f), _Alloc(__af)); |
| 2057 | } |
| 2058 | else |
| 2059 | { |
| 2060 | typedef __allocator_destructor<_FunAlloc> _Dp; |
| 2061 | unique_ptr<_Fun, _Dp> __hold(__af.allocate(1), _Dp(__af, 1)); |
| 2062 | ::new ((void*)__hold.get()) |
| 2063 | _Fun(_VSTD::move(__f), _Alloc(__af)); |
| 2064 | __buf_.__large = __hold.release(); |
| 2065 | } |
| 2066 | } |
| 2067 | } |
| 2068 | |
| 2069 | _LIBCPP_INLINE_VISIBILITY |
| 2070 | __policy_func(const __policy_func& __f) |
| 2071 | : __buf_(__f.__buf_), __invoker_(__f.__invoker_), |
| 2072 | __policy_(__f.__policy_) |
| 2073 | { |
| 2074 | if (__policy_->__clone) |
| 2075 | __buf_.__large = __policy_->__clone(__f.__buf_.__large); |
| 2076 | } |
| 2077 | |
| 2078 | _LIBCPP_INLINE_VISIBILITY |
| 2079 | __policy_func(__policy_func&& __f) |
| 2080 | : __buf_(__f.__buf_), __invoker_(__f.__invoker_), |
| 2081 | __policy_(__f.__policy_) |
| 2082 | { |
| 2083 | if (__policy_->__destroy) |
| 2084 | { |
| 2085 | __f.__policy_ = __policy::__create_empty(); |
| 2086 | __f.__invoker_ = __invoker(); |
| 2087 | } |
| 2088 | } |
| 2089 | |
| 2090 | _LIBCPP_INLINE_VISIBILITY |
| 2091 | ~__policy_func() |
| 2092 | { |
| 2093 | if (__policy_->__destroy) |
| 2094 | __policy_->__destroy(__buf_.__large); |
| 2095 | } |
| 2096 | |
| 2097 | _LIBCPP_INLINE_VISIBILITY |
| 2098 | __policy_func& operator=(__policy_func&& __f) |
| 2099 | { |
| 2100 | *this = nullptr; |
| 2101 | __buf_ = __f.__buf_; |
| 2102 | __invoker_ = __f.__invoker_; |
| 2103 | __policy_ = __f.__policy_; |
| 2104 | __f.__policy_ = __policy::__create_empty(); |
| 2105 | __f.__invoker_ = __invoker(); |
| 2106 | return *this; |
| 2107 | } |
| 2108 | |
| 2109 | _LIBCPP_INLINE_VISIBILITY |
| 2110 | __policy_func& operator=(nullptr_t) |
| 2111 | { |
| 2112 | const __policy* __p = __policy_; |
| 2113 | __policy_ = __policy::__create_empty(); |
| 2114 | __invoker_ = __invoker(); |
| 2115 | if (__p->__destroy) |
| 2116 | __p->__destroy(__buf_.__large); |
| 2117 | return *this; |
| 2118 | } |
| 2119 | |
| 2120 | _LIBCPP_INLINE_VISIBILITY |
| 2121 | _Rp operator()(_ArgTypes&&... __args) const |
| 2122 | { |
| 2123 | return __invoker_.__call_(_VSTD::addressof(__buf_), |
| 2124 | _VSTD::forward<_ArgTypes>(__args)...); |
| 2125 | } |
| 2126 | |
| 2127 | _LIBCPP_INLINE_VISIBILITY |
| 2128 | void swap(__policy_func& __f) |
| 2129 | { |
| 2130 | _VSTD::swap(__invoker_, __f.__invoker_); |
| 2131 | _VSTD::swap(__policy_, __f.__policy_); |
| 2132 | _VSTD::swap(__buf_, __f.__buf_); |
| 2133 | } |
| 2134 | |
| 2135 | _LIBCPP_INLINE_VISIBILITY |
| 2136 | explicit operator bool() const _NOEXCEPT |
| 2137 | { |
| 2138 | return !__policy_->__is_null; |
| 2139 | } |
| 2140 | |
| 2141 | #ifndef _LIBCPP_NO_RTTI |
| 2142 | _LIBCPP_INLINE_VISIBILITY |
| 2143 | const std::type_info& target_type() const _NOEXCEPT |
| 2144 | { |
| 2145 | return *__policy_->__type_info; |
| 2146 | } |
| 2147 | |
| 2148 | template <typename _Tp> |
| 2149 | _LIBCPP_INLINE_VISIBILITY const _Tp* target() const _NOEXCEPT |
| 2150 | { |
| 2151 | if (__policy_->__is_null || typeid(_Tp) != *__policy_->__type_info) |
| 2152 | return nullptr; |
| 2153 | if (__policy_->__clone) // Out of line storage. |
| 2154 | return reinterpret_cast<const _Tp*>(__buf_.__large); |
| 2155 | else |
| 2156 | return reinterpret_cast<const _Tp*>(&__buf_.__small); |
| 2157 | } |
| 2158 | #endif // _LIBCPP_NO_RTTI |
| 2159 | }; |
| 2160 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2161 | } // __function |
| 2162 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2163 | template<class _Rp, class ..._ArgTypes> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 2164 | class _LIBCPP_TEMPLATE_VIS function<_Rp(_ArgTypes...)> |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2165 | : public __function::__maybe_derive_from_unary_function<_Rp(_ArgTypes...)>, |
| 2166 | public __function::__maybe_derive_from_binary_function<_Rp(_ArgTypes...)> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2167 | { |
Eric Fiselier | f2e6436 | 2018-12-11 00:14:34 +0000 | [diff] [blame] | 2168 | #ifndef _LIBCPP_ABI_OPTIMIZED_FUNCTION |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2169 | typedef __function::__value_func<_Rp(_ArgTypes...)> __func; |
Eric Fiselier | f2e6436 | 2018-12-11 00:14:34 +0000 | [diff] [blame] | 2170 | #else |
| 2171 | typedef __function::__policy_func<_Rp(_ArgTypes...)> __func; |
| 2172 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2173 | |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2174 | __func __f_; |
Evgeniy Stepanov | 076b237 | 2016-02-10 21:53:28 +0000 | [diff] [blame] | 2175 | |
Eric Fiselier | 43c04f7 | 2017-09-10 23:41:20 +0000 | [diff] [blame] | 2176 | template <class _Fp, bool = __lazy_and< |
| 2177 | integral_constant<bool, !is_same<__uncvref_t<_Fp>, function>::value>, |
| 2178 | __invokable<_Fp&, _ArgTypes...> |
| 2179 | >::value> |
| 2180 | struct __callable; |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2181 | template <class _Fp> |
| 2182 | struct __callable<_Fp, true> |
Howard Hinnant | 9575593 | 2011-05-31 21:45:26 +0000 | [diff] [blame] | 2183 | { |
Eric Fiselier | ea08070 | 2015-02-10 16:48:45 +0000 | [diff] [blame] | 2184 | static const bool value = is_same<void, _Rp>::value || |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2185 | is_convertible<typename __invoke_of<_Fp&, _ArgTypes...>::type, |
| 2186 | _Rp>::value; |
Howard Hinnant | 9575593 | 2011-05-31 21:45:26 +0000 | [diff] [blame] | 2187 | }; |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2188 | template <class _Fp> |
| 2189 | struct __callable<_Fp, false> |
Howard Hinnant | 9575593 | 2011-05-31 21:45:26 +0000 | [diff] [blame] | 2190 | { |
| 2191 | static const bool value = false; |
| 2192 | }; |
Eric Fiselier | 43c04f7 | 2017-09-10 23:41:20 +0000 | [diff] [blame] | 2193 | |
| 2194 | template <class _Fp> |
| 2195 | using _EnableIfCallable = typename enable_if<__callable<_Fp>::value>::type; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2196 | public: |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2197 | typedef _Rp result_type; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2198 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2199 | // construct/copy/destroy: |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2200 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2201 | function() _NOEXCEPT { } |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2202 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2203 | function(nullptr_t) _NOEXCEPT {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2204 | function(const function&); |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 2205 | function(function&&) _NOEXCEPT; |
Eric Fiselier | 43c04f7 | 2017-09-10 23:41:20 +0000 | [diff] [blame] | 2206 | template<class _Fp, class = _EnableIfCallable<_Fp>> |
Eric Fiselier | f3e18cf | 2016-07-20 05:21:00 +0000 | [diff] [blame] | 2207 | function(_Fp); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2208 | |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2209 | #if _LIBCPP_STD_VER <= 14 |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2210 | template<class _Alloc> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2211 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2212 | function(allocator_arg_t, const _Alloc&) _NOEXCEPT {} |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2213 | template<class _Alloc> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2214 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2215 | function(allocator_arg_t, const _Alloc&, nullptr_t) _NOEXCEPT {} |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2216 | template<class _Alloc> |
| 2217 | function(allocator_arg_t, const _Alloc&, const function&); |
| 2218 | template<class _Alloc> |
| 2219 | function(allocator_arg_t, const _Alloc&, function&&); |
Eric Fiselier | 43c04f7 | 2017-09-10 23:41:20 +0000 | [diff] [blame] | 2220 | template<class _Fp, class _Alloc, class = _EnableIfCallable<_Fp>> |
Eric Fiselier | f3e18cf | 2016-07-20 05:21:00 +0000 | [diff] [blame] | 2221 | function(allocator_arg_t, const _Alloc& __a, _Fp __f); |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2222 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2223 | |
| 2224 | function& operator=(const function&); |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 2225 | function& operator=(function&&) _NOEXCEPT; |
| 2226 | function& operator=(nullptr_t) _NOEXCEPT; |
Eric Fiselier | 43c04f7 | 2017-09-10 23:41:20 +0000 | [diff] [blame] | 2227 | template<class _Fp, class = _EnableIfCallable<_Fp>> |
| 2228 | function& operator=(_Fp&&); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2229 | |
| 2230 | ~function(); |
| 2231 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2232 | // function modifiers: |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 2233 | void swap(function&) _NOEXCEPT; |
Marshall Clow | fc8fd83 | 2016-01-25 17:29:55 +0000 | [diff] [blame] | 2234 | |
| 2235 | #if _LIBCPP_STD_VER <= 14 |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2236 | template<class _Fp, class _Alloc> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2237 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2238 | void assign(_Fp&& __f, const _Alloc& __a) |
| 2239 | {function(allocator_arg, __a, _VSTD::forward<_Fp>(__f)).swap(*this);} |
Marshall Clow | fc8fd83 | 2016-01-25 17:29:55 +0000 | [diff] [blame] | 2240 | #endif |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2241 | |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2242 | // function capacity: |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2243 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2244 | _LIBCPP_EXPLICIT operator bool() const _NOEXCEPT { |
| 2245 | return static_cast<bool>(__f_); |
| 2246 | } |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2247 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2248 | // deleted overloads close possible hole in the type system |
| 2249 | template<class _R2, class... _ArgTypes2> |
Howard Hinnant | 5e9a1cf | 2010-09-11 15:33:21 +0000 | [diff] [blame] | 2250 | bool operator==(const function<_R2(_ArgTypes2...)>&) const = delete; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2251 | template<class _R2, class... _ArgTypes2> |
Howard Hinnant | 5e9a1cf | 2010-09-11 15:33:21 +0000 | [diff] [blame] | 2252 | bool operator!=(const function<_R2(_ArgTypes2...)>&) const = delete; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2253 | public: |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2254 | // function invocation: |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2255 | _Rp operator()(_ArgTypes...) const; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2256 | |
Howard Hinnant | 72f7358 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 2257 | #ifndef _LIBCPP_NO_RTTI |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2258 | // function target access: |
Howard Hinnant | f7724cd | 2011-05-28 17:59:48 +0000 | [diff] [blame] | 2259 | const std::type_info& target_type() const _NOEXCEPT; |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2260 | template <typename _Tp> _Tp* target() _NOEXCEPT; |
| 2261 | template <typename _Tp> const _Tp* target() const _NOEXCEPT; |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 2262 | #endif // _LIBCPP_NO_RTTI |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2263 | }; |
| 2264 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2265 | template<class _Rp, class ..._ArgTypes> |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2266 | function<_Rp(_ArgTypes...)>::function(const function& __f) : __f_(__f.__f_) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2267 | |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2268 | #if _LIBCPP_STD_VER <= 14 |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2269 | template<class _Rp, class ..._ArgTypes> |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2270 | template <class _Alloc> |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2271 | function<_Rp(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&, |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2272 | const function& __f) : __f_(__f.__f_) {} |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2273 | #endif |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2274 | |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2275 | template <class _Rp, class... _ArgTypes> |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2276 | function<_Rp(_ArgTypes...)>::function(function&& __f) _NOEXCEPT |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2277 | : __f_(_VSTD::move(__f.__f_)) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2278 | |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2279 | #if _LIBCPP_STD_VER <= 14 |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2280 | template<class _Rp, class ..._ArgTypes> |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2281 | template <class _Alloc> |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2282 | function<_Rp(_ArgTypes...)>::function(allocator_arg_t, const _Alloc&, |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2283 | function&& __f) |
| 2284 | : __f_(_VSTD::move(__f.__f_)) {} |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2285 | #endif |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2286 | |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2287 | template <class _Rp, class... _ArgTypes> |
Eric Fiselier | f3e18cf | 2016-07-20 05:21:00 +0000 | [diff] [blame] | 2288 | template <class _Fp, class> |
| 2289 | function<_Rp(_ArgTypes...)>::function(_Fp __f) |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2290 | : __f_(_VSTD::move(__f), allocator<_Fp>()) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2291 | |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2292 | #if _LIBCPP_STD_VER <= 14 |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2293 | template <class _Rp, class... _ArgTypes> |
Eric Fiselier | f3e18cf | 2016-07-20 05:21:00 +0000 | [diff] [blame] | 2294 | template <class _Fp, class _Alloc, class> |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2295 | function<_Rp(_ArgTypes...)>::function(allocator_arg_t, const _Alloc& __a, |
| 2296 | _Fp __f) |
| 2297 | : __f_(_VSTD::move(__f), __a) {} |
Marshall Clow | 3148f42 | 2016-10-13 21:06:03 +0000 | [diff] [blame] | 2298 | #endif |
Howard Hinnant | f06d926 | 2010-08-20 19:36:46 +0000 | [diff] [blame] | 2299 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2300 | template<class _Rp, class ..._ArgTypes> |
| 2301 | function<_Rp(_ArgTypes...)>& |
| 2302 | function<_Rp(_ArgTypes...)>::operator=(const function& __f) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2303 | { |
| 2304 | function(__f).swap(*this); |
| 2305 | return *this; |
| 2306 | } |
| 2307 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2308 | template<class _Rp, class ..._ArgTypes> |
| 2309 | function<_Rp(_ArgTypes...)>& |
| 2310 | function<_Rp(_ArgTypes...)>::operator=(function&& __f) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2311 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2312 | __f_ = std::move(__f.__f_); |
Argyrios Kyrtzidis | af90465 | 2012-10-13 02:03:45 +0000 | [diff] [blame] | 2313 | return *this; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2314 | } |
| 2315 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2316 | template<class _Rp, class ..._ArgTypes> |
| 2317 | function<_Rp(_ArgTypes...)>& |
| 2318 | function<_Rp(_ArgTypes...)>::operator=(nullptr_t) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2319 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2320 | __f_ = nullptr; |
Argyrios Kyrtzidis | af90465 | 2012-10-13 02:03:45 +0000 | [diff] [blame] | 2321 | return *this; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2322 | } |
| 2323 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2324 | template<class _Rp, class ..._ArgTypes> |
Eric Fiselier | 43c04f7 | 2017-09-10 23:41:20 +0000 | [diff] [blame] | 2325 | template <class _Fp, class> |
| 2326 | function<_Rp(_ArgTypes...)>& |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2327 | function<_Rp(_ArgTypes...)>::operator=(_Fp&& __f) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2328 | { |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2329 | function(_VSTD::forward<_Fp>(__f)).swap(*this); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2330 | return *this; |
| 2331 | } |
| 2332 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2333 | template<class _Rp, class ..._ArgTypes> |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2334 | function<_Rp(_ArgTypes...)>::~function() {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2335 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2336 | template<class _Rp, class ..._ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2337 | void |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2338 | function<_Rp(_ArgTypes...)>::swap(function& __f) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2339 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2340 | __f_.swap(__f.__f_); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2341 | } |
| 2342 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2343 | template<class _Rp, class ..._ArgTypes> |
| 2344 | _Rp |
| 2345 | function<_Rp(_ArgTypes...)>::operator()(_ArgTypes... __arg) const |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2346 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2347 | return __f_(_VSTD::forward<_ArgTypes>(__arg)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2348 | } |
| 2349 | |
Howard Hinnant | 72f7358 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 2350 | #ifndef _LIBCPP_NO_RTTI |
| 2351 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2352 | template<class _Rp, class ..._ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2353 | const std::type_info& |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2354 | function<_Rp(_ArgTypes...)>::target_type() const _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2355 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2356 | return __f_.target_type(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2357 | } |
| 2358 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2359 | template<class _Rp, class ..._ArgTypes> |
| 2360 | template <typename _Tp> |
| 2361 | _Tp* |
| 2362 | function<_Rp(_ArgTypes...)>::target() _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2363 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2364 | return (_Tp*)(__f_.template target<_Tp>()); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2365 | } |
| 2366 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2367 | template<class _Rp, class ..._ArgTypes> |
| 2368 | template <typename _Tp> |
| 2369 | const _Tp* |
| 2370 | function<_Rp(_ArgTypes...)>::target() const _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2371 | { |
Eric Fiselier | 125798e | 2018-12-10 18:14:09 +0000 | [diff] [blame] | 2372 | return __f_.template target<_Tp>(); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2373 | } |
| 2374 | |
Howard Hinnant | 3b6579a | 2010-08-22 00:02:43 +0000 | [diff] [blame] | 2375 | #endif // _LIBCPP_NO_RTTI |
Howard Hinnant | 72f7358 | 2010-08-11 17:04:31 +0000 | [diff] [blame] | 2376 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2377 | template <class _Rp, class... _ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2378 | inline _LIBCPP_INLINE_VISIBILITY |
| 2379 | bool |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2380 | operator==(const function<_Rp(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return !__f;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2381 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2382 | template <class _Rp, class... _ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2383 | inline _LIBCPP_INLINE_VISIBILITY |
| 2384 | bool |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2385 | operator==(nullptr_t, const function<_Rp(_ArgTypes...)>& __f) _NOEXCEPT {return !__f;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2386 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2387 | template <class _Rp, class... _ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2388 | inline _LIBCPP_INLINE_VISIBILITY |
| 2389 | bool |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2390 | operator!=(const function<_Rp(_ArgTypes...)>& __f, nullptr_t) _NOEXCEPT {return (bool)__f;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2391 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2392 | template <class _Rp, class... _ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2393 | inline _LIBCPP_INLINE_VISIBILITY |
| 2394 | bool |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2395 | operator!=(nullptr_t, const function<_Rp(_ArgTypes...)>& __f) _NOEXCEPT {return (bool)__f;} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2396 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2397 | template <class _Rp, class... _ArgTypes> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2398 | inline _LIBCPP_INLINE_VISIBILITY |
| 2399 | void |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2400 | swap(function<_Rp(_ArgTypes...)>& __x, function<_Rp(_ArgTypes...)>& __y) _NOEXCEPT |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2401 | {return __x.swap(__y);} |
| 2402 | |
Eric Fiselier | a9ae7a6 | 2017-04-19 01:28:47 +0000 | [diff] [blame] | 2403 | #else // _LIBCPP_CXX03_LANG |
Eric Fiselier | 2cc4833 | 2015-07-22 22:43:27 +0000 | [diff] [blame] | 2404 | |
| 2405 | #include <__functional_03> |
| 2406 | |
| 2407 | #endif |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 2408 | |
| 2409 | //////////////////////////////////////////////////////////////////////////////// |
| 2410 | // BIND |
| 2411 | //============================================================================== |
| 2412 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2413 | template<class _Tp> struct __is_bind_expression : public false_type {}; |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 2414 | template<class _Tp> struct _LIBCPP_TEMPLATE_VIS is_bind_expression |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2415 | : public __is_bind_expression<typename remove_cv<_Tp>::type> {}; |
| 2416 | |
Marshall Clow | 2d2d7f1 | 2016-09-22 00:23:15 +0000 | [diff] [blame] | 2417 | #if _LIBCPP_STD_VER > 14 |
| 2418 | template <class _Tp> |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 2419 | _LIBCPP_INLINE_VAR constexpr size_t is_bind_expression_v = is_bind_expression<_Tp>::value; |
Marshall Clow | 2d2d7f1 | 2016-09-22 00:23:15 +0000 | [diff] [blame] | 2420 | #endif |
| 2421 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2422 | template<class _Tp> struct __is_placeholder : public integral_constant<int, 0> {}; |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 2423 | template<class _Tp> struct _LIBCPP_TEMPLATE_VIS is_placeholder |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2424 | : public __is_placeholder<typename remove_cv<_Tp>::type> {}; |
| 2425 | |
Marshall Clow | 2d2d7f1 | 2016-09-22 00:23:15 +0000 | [diff] [blame] | 2426 | #if _LIBCPP_STD_VER > 14 |
| 2427 | template <class _Tp> |
Marshall Clow | f1bf62f | 2018-01-02 17:17:01 +0000 | [diff] [blame] | 2428 | _LIBCPP_INLINE_VAR constexpr size_t is_placeholder_v = is_placeholder<_Tp>::value; |
Marshall Clow | 2d2d7f1 | 2016-09-22 00:23:15 +0000 | [diff] [blame] | 2429 | #endif |
| 2430 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2431 | namespace placeholders |
| 2432 | { |
| 2433 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2434 | template <int _Np> struct __ph {}; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2435 | |
Louis Dionne | 5e0eadd | 2018-08-01 02:08:59 +0000 | [diff] [blame] | 2436 | #if defined(_LIBCPP_CXX03_LANG) || defined(_LIBCPP_BUILDING_LIBRARY) |
Eric Fiselier | b7f51d6 | 2016-06-26 21:01:34 +0000 | [diff] [blame] | 2437 | _LIBCPP_FUNC_VIS extern const __ph<1> _1; |
| 2438 | _LIBCPP_FUNC_VIS extern const __ph<2> _2; |
| 2439 | _LIBCPP_FUNC_VIS extern const __ph<3> _3; |
| 2440 | _LIBCPP_FUNC_VIS extern const __ph<4> _4; |
| 2441 | _LIBCPP_FUNC_VIS extern const __ph<5> _5; |
| 2442 | _LIBCPP_FUNC_VIS extern const __ph<6> _6; |
| 2443 | _LIBCPP_FUNC_VIS extern const __ph<7> _7; |
| 2444 | _LIBCPP_FUNC_VIS extern const __ph<8> _8; |
| 2445 | _LIBCPP_FUNC_VIS extern const __ph<9> _9; |
| 2446 | _LIBCPP_FUNC_VIS extern const __ph<10> _10; |
| 2447 | #else |
Marshall Clow | 396b213 | 2018-01-02 19:01:45 +0000 | [diff] [blame] | 2448 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<1> _1{}; |
| 2449 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<2> _2{}; |
| 2450 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<3> _3{}; |
| 2451 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<4> _4{}; |
| 2452 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<5> _5{}; |
| 2453 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<6> _6{}; |
| 2454 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<7> _7{}; |
| 2455 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<8> _8{}; |
| 2456 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<9> _9{}; |
| 2457 | /* _LIBCPP_INLINE_VAR */ constexpr __ph<10> _10{}; |
Louis Dionne | 5e0eadd | 2018-08-01 02:08:59 +0000 | [diff] [blame] | 2458 | #endif // defined(_LIBCPP_CXX03_LANG) || defined(_LIBCPP_BUILDING_LIBRARY) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2459 | |
| 2460 | } // placeholders |
| 2461 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2462 | template<int _Np> |
| 2463 | struct __is_placeholder<placeholders::__ph<_Np> > |
| 2464 | : public integral_constant<int, _Np> {}; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2465 | |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 2466 | |
Eric Fiselier | a9ae7a6 | 2017-04-19 01:28:47 +0000 | [diff] [blame] | 2467 | #ifndef _LIBCPP_CXX03_LANG |
Eric Fiselier | a6f61c6 | 2015-07-22 04:14:38 +0000 | [diff] [blame] | 2468 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2469 | template <class _Tp, class _Uj> |
| 2470 | inline _LIBCPP_INLINE_VISIBILITY |
| 2471 | _Tp& |
| 2472 | __mu(reference_wrapper<_Tp> __t, _Uj&) |
| 2473 | { |
| 2474 | return __t.get(); |
| 2475 | } |
| 2476 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2477 | template <class _Ti, class ..._Uj, size_t ..._Indx> |
| 2478 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c1132eb | 2011-05-19 19:41:47 +0000 | [diff] [blame] | 2479 | typename __invoke_of<_Ti&, _Uj...>::type |
| 2480 | __mu_expand(_Ti& __ti, tuple<_Uj...>& __uj, __tuple_indices<_Indx...>) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2481 | { |
Marshall Clow | 60e4aa7 | 2014-06-24 00:46:19 +0000 | [diff] [blame] | 2482 | return __ti(_VSTD::forward<_Uj>(_VSTD::get<_Indx>(__uj))...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2483 | } |
| 2484 | |
| 2485 | template <class _Ti, class ..._Uj> |
| 2486 | inline _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | f3a1cea | 2014-12-23 05:54:34 +0000 | [diff] [blame] | 2487 | typename __lazy_enable_if |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2488 | < |
| 2489 | is_bind_expression<_Ti>::value, |
Eric Fiselier | f3a1cea | 2014-12-23 05:54:34 +0000 | [diff] [blame] | 2490 | __invoke_of<_Ti&, _Uj...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2491 | >::type |
| 2492 | __mu(_Ti& __ti, tuple<_Uj...>& __uj) |
| 2493 | { |
| 2494 | typedef typename __make_tuple_indices<sizeof...(_Uj)>::type __indices; |
| 2495 | return __mu_expand(__ti, __uj, __indices()); |
| 2496 | } |
| 2497 | |
| 2498 | template <bool IsPh, class _Ti, class _Uj> |
| 2499 | struct __mu_return2 {}; |
| 2500 | |
| 2501 | template <class _Ti, class _Uj> |
| 2502 | struct __mu_return2<true, _Ti, _Uj> |
| 2503 | { |
| 2504 | typedef typename tuple_element<is_placeholder<_Ti>::value - 1, _Uj>::type type; |
| 2505 | }; |
| 2506 | |
| 2507 | template <class _Ti, class _Uj> |
| 2508 | inline _LIBCPP_INLINE_VISIBILITY |
| 2509 | typename enable_if |
| 2510 | < |
| 2511 | 0 < is_placeholder<_Ti>::value, |
| 2512 | typename __mu_return2<0 < is_placeholder<_Ti>::value, _Ti, _Uj>::type |
| 2513 | >::type |
| 2514 | __mu(_Ti&, _Uj& __uj) |
| 2515 | { |
| 2516 | const size_t _Indx = is_placeholder<_Ti>::value - 1; |
Marshall Clow | 60e4aa7 | 2014-06-24 00:46:19 +0000 | [diff] [blame] | 2517 | return _VSTD::forward<typename tuple_element<_Indx, _Uj>::type>(_VSTD::get<_Indx>(__uj)); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2518 | } |
| 2519 | |
| 2520 | template <class _Ti, class _Uj> |
| 2521 | inline _LIBCPP_INLINE_VISIBILITY |
| 2522 | typename enable_if |
| 2523 | < |
| 2524 | !is_bind_expression<_Ti>::value && |
| 2525 | is_placeholder<_Ti>::value == 0 && |
| 2526 | !__is_reference_wrapper<_Ti>::value, |
| 2527 | _Ti& |
| 2528 | >::type |
Howard Hinnant | 28b2488 | 2011-12-01 20:21:04 +0000 | [diff] [blame] | 2529 | __mu(_Ti& __ti, _Uj&) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2530 | { |
| 2531 | return __ti; |
| 2532 | } |
| 2533 | |
Howard Hinnant | 0415d79 | 2011-05-22 15:07:43 +0000 | [diff] [blame] | 2534 | template <class _Ti, bool IsReferenceWrapper, bool IsBindEx, bool IsPh, |
| 2535 | class _TupleUj> |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2536 | struct __mu_return_impl; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2537 | |
Howard Hinnant | 51dae7a | 2013-06-30 19:48:15 +0000 | [diff] [blame] | 2538 | template <bool _Invokable, class _Ti, class ..._Uj> |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2539 | struct __mu_return_invokable // false |
Howard Hinnant | 51dae7a | 2013-06-30 19:48:15 +0000 | [diff] [blame] | 2540 | { |
| 2541 | typedef __nat type; |
| 2542 | }; |
| 2543 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2544 | template <class _Ti, class ..._Uj> |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2545 | struct __mu_return_invokable<true, _Ti, _Uj...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2546 | { |
Howard Hinnant | c1132eb | 2011-05-19 19:41:47 +0000 | [diff] [blame] | 2547 | typedef typename __invoke_of<_Ti&, _Uj...>::type type; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2548 | }; |
| 2549 | |
Howard Hinnant | 51dae7a | 2013-06-30 19:48:15 +0000 | [diff] [blame] | 2550 | template <class _Ti, class ..._Uj> |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2551 | struct __mu_return_impl<_Ti, false, true, false, tuple<_Uj...> > |
| 2552 | : public __mu_return_invokable<__invokable<_Ti&, _Uj...>::value, _Ti, _Uj...> |
Howard Hinnant | 51dae7a | 2013-06-30 19:48:15 +0000 | [diff] [blame] | 2553 | { |
| 2554 | }; |
| 2555 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2556 | template <class _Ti, class _TupleUj> |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2557 | struct __mu_return_impl<_Ti, false, false, true, _TupleUj> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2558 | { |
| 2559 | typedef typename tuple_element<is_placeholder<_Ti>::value - 1, |
| 2560 | _TupleUj>::type&& type; |
| 2561 | }; |
| 2562 | |
| 2563 | template <class _Ti, class _TupleUj> |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2564 | struct __mu_return_impl<_Ti, true, false, false, _TupleUj> |
Howard Hinnant | 0415d79 | 2011-05-22 15:07:43 +0000 | [diff] [blame] | 2565 | { |
| 2566 | typedef typename _Ti::type& type; |
| 2567 | }; |
| 2568 | |
| 2569 | template <class _Ti, class _TupleUj> |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2570 | struct __mu_return_impl<_Ti, false, false, false, _TupleUj> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2571 | { |
| 2572 | typedef _Ti& type; |
| 2573 | }; |
| 2574 | |
| 2575 | template <class _Ti, class _TupleUj> |
| 2576 | struct __mu_return |
Louis Dionne | cbbd7b1 | 2018-09-23 16:44:50 +0000 | [diff] [blame] | 2577 | : public __mu_return_impl<_Ti, |
| 2578 | __is_reference_wrapper<_Ti>::value, |
| 2579 | is_bind_expression<_Ti>::value, |
| 2580 | 0 < is_placeholder<_Ti>::value && |
| 2581 | is_placeholder<_Ti>::value <= tuple_size<_TupleUj>::value, |
| 2582 | _TupleUj> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2583 | { |
| 2584 | }; |
| 2585 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2586 | template <class _Fp, class _BoundArgs, class _TupleUj> |
Eric Fiselier | 99fffba | 2015-05-19 22:27:18 +0000 | [diff] [blame] | 2587 | struct __is_valid_bind_return |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2588 | { |
| 2589 | static const bool value = false; |
| 2590 | }; |
| 2591 | |
| 2592 | template <class _Fp, class ..._BoundArgs, class _TupleUj> |
Eric Fiselier | 99fffba | 2015-05-19 22:27:18 +0000 | [diff] [blame] | 2593 | struct __is_valid_bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj> |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2594 | { |
| 2595 | static const bool value = __invokable<_Fp, |
| 2596 | typename __mu_return<_BoundArgs, _TupleUj>::type...>::value; |
| 2597 | }; |
| 2598 | |
| 2599 | template <class _Fp, class ..._BoundArgs, class _TupleUj> |
Eric Fiselier | 99fffba | 2015-05-19 22:27:18 +0000 | [diff] [blame] | 2600 | struct __is_valid_bind_return<_Fp, const tuple<_BoundArgs...>, _TupleUj> |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2601 | { |
| 2602 | static const bool value = __invokable<_Fp, |
| 2603 | typename __mu_return<const _BoundArgs, _TupleUj>::type...>::value; |
| 2604 | }; |
| 2605 | |
| 2606 | template <class _Fp, class _BoundArgs, class _TupleUj, |
Eric Fiselier | 99fffba | 2015-05-19 22:27:18 +0000 | [diff] [blame] | 2607 | bool = __is_valid_bind_return<_Fp, _BoundArgs, _TupleUj>::value> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2608 | struct __bind_return; |
| 2609 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2610 | template <class _Fp, class ..._BoundArgs, class _TupleUj> |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2611 | struct __bind_return<_Fp, tuple<_BoundArgs...>, _TupleUj, true> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2612 | { |
Howard Hinnant | c1132eb | 2011-05-19 19:41:47 +0000 | [diff] [blame] | 2613 | typedef typename __invoke_of |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2614 | < |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2615 | _Fp&, |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2616 | typename __mu_return |
| 2617 | < |
| 2618 | _BoundArgs, |
| 2619 | _TupleUj |
| 2620 | >::type... |
| 2621 | >::type type; |
| 2622 | }; |
| 2623 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2624 | template <class _Fp, class ..._BoundArgs, class _TupleUj> |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2625 | struct __bind_return<_Fp, const tuple<_BoundArgs...>, _TupleUj, true> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2626 | { |
Howard Hinnant | c1132eb | 2011-05-19 19:41:47 +0000 | [diff] [blame] | 2627 | typedef typename __invoke_of |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2628 | < |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2629 | _Fp&, |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2630 | typename __mu_return |
| 2631 | < |
| 2632 | const _BoundArgs, |
| 2633 | _TupleUj |
| 2634 | >::type... |
| 2635 | >::type type; |
| 2636 | }; |
| 2637 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2638 | template <class _Fp, class _BoundArgs, size_t ..._Indx, class _Args> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2639 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2640 | typename __bind_return<_Fp, _BoundArgs, _Args>::type |
| 2641 | __apply_functor(_Fp& __f, _BoundArgs& __bound_args, __tuple_indices<_Indx...>, |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2642 | _Args&& __args) |
| 2643 | { |
Eric Fiselier | 17264eb | 2017-05-03 21:02:19 +0000 | [diff] [blame] | 2644 | return _VSTD::__invoke(__f, _VSTD::__mu(_VSTD::get<_Indx>(__bound_args), __args)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2645 | } |
| 2646 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2647 | template<class _Fp, class ..._BoundArgs> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2648 | class __bind |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2649 | : public __weak_result_type<typename decay<_Fp>::type> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2650 | { |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2651 | protected: |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2652 | typedef typename decay<_Fp>::type _Fd; |
Howard Hinnant | c1132eb | 2011-05-19 19:41:47 +0000 | [diff] [blame] | 2653 | typedef tuple<typename decay<_BoundArgs>::type...> _Td; |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2654 | private: |
Howard Hinnant | c1132eb | 2011-05-19 19:41:47 +0000 | [diff] [blame] | 2655 | _Fd __f_; |
| 2656 | _Td __bound_args_; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2657 | |
| 2658 | typedef typename __make_tuple_indices<sizeof...(_BoundArgs)>::type __indices; |
| 2659 | public: |
Howard Hinnant | 0337ade | 2012-05-04 17:21:02 +0000 | [diff] [blame] | 2660 | template <class _Gp, class ..._BA, |
| 2661 | class = typename enable_if |
| 2662 | < |
Howard Hinnant | f292a92 | 2013-07-01 00:01:51 +0000 | [diff] [blame] | 2663 | is_constructible<_Fd, _Gp>::value && |
| 2664 | !is_same<typename remove_reference<_Gp>::type, |
| 2665 | __bind>::value |
Howard Hinnant | 0337ade | 2012-05-04 17:21:02 +0000 | [diff] [blame] | 2666 | >::type> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2667 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2668 | explicit __bind(_Gp&& __f, _BA&& ...__bound_args) |
| 2669 | : __f_(_VSTD::forward<_Gp>(__f)), |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2670 | __bound_args_(_VSTD::forward<_BA>(__bound_args)...) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2671 | |
| 2672 | template <class ..._Args> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2673 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c1132eb | 2011-05-19 19:41:47 +0000 | [diff] [blame] | 2674 | typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2675 | operator()(_Args&& ...__args) |
| 2676 | { |
Eric Fiselier | 17264eb | 2017-05-03 21:02:19 +0000 | [diff] [blame] | 2677 | return _VSTD::__apply_functor(__f_, __bound_args_, __indices(), |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2678 | tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...)); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2679 | } |
| 2680 | |
| 2681 | template <class ..._Args> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2682 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2683 | typename __bind_return<const _Fd, const _Td, tuple<_Args&&...> >::type |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2684 | operator()(_Args&& ...__args) const |
| 2685 | { |
Eric Fiselier | 17264eb | 2017-05-03 21:02:19 +0000 | [diff] [blame] | 2686 | return _VSTD::__apply_functor(__f_, __bound_args_, __indices(), |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2687 | tuple<_Args&&...>(_VSTD::forward<_Args>(__args)...)); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2688 | } |
| 2689 | }; |
| 2690 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2691 | template<class _Fp, class ..._BoundArgs> |
| 2692 | struct __is_bind_expression<__bind<_Fp, _BoundArgs...> > : public true_type {}; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2693 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2694 | template<class _Rp, class _Fp, class ..._BoundArgs> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2695 | class __bind_r |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2696 | : public __bind<_Fp, _BoundArgs...> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2697 | { |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2698 | typedef __bind<_Fp, _BoundArgs...> base; |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2699 | typedef typename base::_Fd _Fd; |
| 2700 | typedef typename base::_Td _Td; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2701 | public: |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2702 | typedef _Rp result_type; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2703 | |
Howard Hinnant | 7091e65 | 2011-07-02 18:22:36 +0000 | [diff] [blame] | 2704 | |
Howard Hinnant | f292a92 | 2013-07-01 00:01:51 +0000 | [diff] [blame] | 2705 | template <class _Gp, class ..._BA, |
| 2706 | class = typename enable_if |
| 2707 | < |
| 2708 | is_constructible<_Fd, _Gp>::value && |
| 2709 | !is_same<typename remove_reference<_Gp>::type, |
| 2710 | __bind_r>::value |
| 2711 | >::type> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2712 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2713 | explicit __bind_r(_Gp&& __f, _BA&& ...__bound_args) |
| 2714 | : base(_VSTD::forward<_Gp>(__f), |
Howard Hinnant | b1ad5a8 | 2011-06-30 21:18:19 +0000 | [diff] [blame] | 2715 | _VSTD::forward<_BA>(__bound_args)...) {} |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2716 | |
| 2717 | template <class ..._Args> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2718 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2719 | typename enable_if |
| 2720 | < |
| 2721 | is_convertible<typename __bind_return<_Fd, _Td, tuple<_Args&&...> >::type, |
Eric Fiselier | 7a8710a | 2015-07-10 23:29:18 +0000 | [diff] [blame] | 2722 | result_type>::value || is_void<_Rp>::value, |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2723 | result_type |
| 2724 | >::type |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2725 | operator()(_Args&& ...__args) |
| 2726 | { |
Eric Fiselier | 7a8710a | 2015-07-10 23:29:18 +0000 | [diff] [blame] | 2727 | typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
| 2728 | return _Invoker::__call(static_cast<base&>(*this), _VSTD::forward<_Args>(__args)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2729 | } |
| 2730 | |
| 2731 | template <class ..._Args> |
Howard Hinnant | 4ff5743 | 2010-09-21 22:55:27 +0000 | [diff] [blame] | 2732 | _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2733 | typename enable_if |
| 2734 | < |
| 2735 | is_convertible<typename __bind_return<const _Fd, const _Td, tuple<_Args&&...> >::type, |
Eric Fiselier | 7a8710a | 2015-07-10 23:29:18 +0000 | [diff] [blame] | 2736 | result_type>::value || is_void<_Rp>::value, |
Howard Hinnant | de3a5f0 | 2013-02-21 18:16:55 +0000 | [diff] [blame] | 2737 | result_type |
| 2738 | >::type |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2739 | operator()(_Args&& ...__args) const |
| 2740 | { |
Eric Fiselier | 7a8710a | 2015-07-10 23:29:18 +0000 | [diff] [blame] | 2741 | typedef __invoke_void_return_wrapper<_Rp> _Invoker; |
| 2742 | return _Invoker::__call(static_cast<base const&>(*this), _VSTD::forward<_Args>(__args)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2743 | } |
| 2744 | }; |
| 2745 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2746 | template<class _Rp, class _Fp, class ..._BoundArgs> |
| 2747 | struct __is_bind_expression<__bind_r<_Rp, _Fp, _BoundArgs...> > : public true_type {}; |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2748 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2749 | template<class _Fp, class ..._BoundArgs> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2750 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2751 | __bind<_Fp, _BoundArgs...> |
| 2752 | bind(_Fp&& __f, _BoundArgs&&... __bound_args) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2753 | { |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2754 | typedef __bind<_Fp, _BoundArgs...> type; |
| 2755 | return type(_VSTD::forward<_Fp>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2756 | } |
| 2757 | |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2758 | template<class _Rp, class _Fp, class ..._BoundArgs> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2759 | inline _LIBCPP_INLINE_VISIBILITY |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2760 | __bind_r<_Rp, _Fp, _BoundArgs...> |
| 2761 | bind(_Fp&& __f, _BoundArgs&&... __bound_args) |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2762 | { |
Howard Hinnant | c834c51 | 2011-11-29 18:15:50 +0000 | [diff] [blame] | 2763 | typedef __bind_r<_Rp, _Fp, _BoundArgs...> type; |
| 2764 | return type(_VSTD::forward<_Fp>(__f), _VSTD::forward<_BoundArgs>(__bound_args)...); |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2765 | } |
| 2766 | |
Eric Fiselier | a9ae7a6 | 2017-04-19 01:28:47 +0000 | [diff] [blame] | 2767 | #endif // _LIBCPP_CXX03_LANG |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2768 | |
Eric Fiselier | 0d974f1 | 2015-07-14 20:16:15 +0000 | [diff] [blame] | 2769 | #if _LIBCPP_STD_VER > 14 |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2770 | |
Eric Fiselier | 0d974f1 | 2015-07-14 20:16:15 +0000 | [diff] [blame] | 2771 | template <class _Fn, class ..._Args> |
| 2772 | result_of_t<_Fn&&(_Args&&...)> |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2773 | invoke(_Fn&& __f, _Args&&... __args) |
| 2774 | noexcept(noexcept(_VSTD::__invoke(_VSTD::forward<_Fn>(__f), _VSTD::forward<_Args>(__args)...))) |
| 2775 | { |
| 2776 | return _VSTD::__invoke(_VSTD::forward<_Fn>(__f), _VSTD::forward<_Args>(__args)...); |
Eric Fiselier | 0d974f1 | 2015-07-14 20:16:15 +0000 | [diff] [blame] | 2777 | } |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2778 | |
| 2779 | template <class _DecayFunc> |
Eric Fiselier | b5eb1bf | 2017-01-04 23:56:00 +0000 | [diff] [blame] | 2780 | class _LIBCPP_TEMPLATE_VIS __not_fn_imp { |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2781 | _DecayFunc __fd; |
| 2782 | |
| 2783 | public: |
| 2784 | __not_fn_imp() = delete; |
| 2785 | |
| 2786 | template <class ..._Args> |
| 2787 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | e8303a3 | 2016-06-27 00:40:41 +0000 | [diff] [blame] | 2788 | auto operator()(_Args&& ...__args) & |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2789 | noexcept(noexcept(!_VSTD::invoke(__fd, _VSTD::forward<_Args>(__args)...))) |
Marshall Clow | db7095c | 2016-10-10 14:37:18 +0000 | [diff] [blame] | 2790 | -> decltype( !_VSTD::invoke(__fd, _VSTD::forward<_Args>(__args)...)) |
| 2791 | { return !_VSTD::invoke(__fd, _VSTD::forward<_Args>(__args)...); } |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2792 | |
| 2793 | template <class ..._Args> |
| 2794 | _LIBCPP_INLINE_VISIBILITY |
Eric Fiselier | e8303a3 | 2016-06-27 00:40:41 +0000 | [diff] [blame] | 2795 | auto operator()(_Args&& ...__args) && |
| 2796 | noexcept(noexcept(!_VSTD::invoke(_VSTD::move(__fd), _VSTD::forward<_Args>(__args)...))) |
Marshall Clow | db7095c | 2016-10-10 14:37:18 +0000 | [diff] [blame] | 2797 | -> decltype( !_VSTD::invoke(_VSTD::move(__fd), _VSTD::forward<_Args>(__args)...)) |
| 2798 | { return !_VSTD::invoke(_VSTD::move(__fd), _VSTD::forward<_Args>(__args)...); } |
Eric Fiselier | e8303a3 | 2016-06-27 00:40:41 +0000 | [diff] [blame] | 2799 | |
| 2800 | template <class ..._Args> |
| 2801 | _LIBCPP_INLINE_VISIBILITY |
| 2802 | auto operator()(_Args&& ...__args) const& |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2803 | noexcept(noexcept(!_VSTD::invoke(__fd, _VSTD::forward<_Args>(__args)...))) |
Marshall Clow | db7095c | 2016-10-10 14:37:18 +0000 | [diff] [blame] | 2804 | -> decltype( !_VSTD::invoke(__fd, _VSTD::forward<_Args>(__args)...)) |
| 2805 | { return !_VSTD::invoke(__fd, _VSTD::forward<_Args>(__args)...); } |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2806 | |
Eric Fiselier | e8303a3 | 2016-06-27 00:40:41 +0000 | [diff] [blame] | 2807 | |
| 2808 | template <class ..._Args> |
| 2809 | _LIBCPP_INLINE_VISIBILITY |
| 2810 | auto operator()(_Args&& ...__args) const&& |
| 2811 | noexcept(noexcept(!_VSTD::invoke(_VSTD::move(__fd), _VSTD::forward<_Args>(__args)...))) |
Marshall Clow | db7095c | 2016-10-10 14:37:18 +0000 | [diff] [blame] | 2812 | -> decltype( !_VSTD::invoke(_VSTD::move(__fd), _VSTD::forward<_Args>(__args)...)) |
| 2813 | { return !_VSTD::invoke(_VSTD::move(__fd), _VSTD::forward<_Args>(__args)...); } |
Eric Fiselier | e8303a3 | 2016-06-27 00:40:41 +0000 | [diff] [blame] | 2814 | |
Eric Fiselier | 934f63b | 2016-06-02 01:25:41 +0000 | [diff] [blame] | 2815 | private: |
| 2816 | template <class _RawFunc, |
| 2817 | class = enable_if_t<!is_same<decay_t<_RawFunc>, __not_fn_imp>::value>> |
| 2818 | _LIBCPP_INLINE_VISIBILITY |
| 2819 | explicit __not_fn_imp(_RawFunc&& __rf) |
| 2820 | : __fd(_VSTD::forward<_RawFunc>(__rf)) {} |
| 2821 | |
| 2822 | template <class _RawFunc> |
| 2823 | friend inline _LIBCPP_INLINE_VISIBILITY |
| 2824 | __not_fn_imp<decay_t<_RawFunc>> not_fn(_RawFunc&&); |
| 2825 | }; |
| 2826 | |
| 2827 | template <class _RawFunc> |
| 2828 | inline _LIBCPP_INLINE_VISIBILITY |
| 2829 | __not_fn_imp<decay_t<_RawFunc>> not_fn(_RawFunc&& __fn) { |
| 2830 | return __not_fn_imp<decay_t<_RawFunc>>(_VSTD::forward<_RawFunc>(__fn)); |
| 2831 | } |
| 2832 | |
Eric Fiselier | 0d974f1 | 2015-07-14 20:16:15 +0000 | [diff] [blame] | 2833 | #endif |
| 2834 | |
Howard Hinnant | 36b31ae | 2010-06-03 16:42:57 +0000 | [diff] [blame] | 2835 | // struct hash<T*> in <memory> |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2836 | |
Marshall Clow | a40686b | 2018-01-08 19:18:00 +0000 | [diff] [blame] | 2837 | template <class _BinaryPredicate, class _ForwardIterator1, class _ForwardIterator2> |
Marshall Clow | 323fc5b | 2018-01-16 15:48:27 +0000 | [diff] [blame] | 2838 | pair<_ForwardIterator1, _ForwardIterator1> _LIBCPP_CONSTEXPR_AFTER_CXX11 |
Marshall Clow | a40686b | 2018-01-08 19:18:00 +0000 | [diff] [blame] | 2839 | __search(_ForwardIterator1 __first1, _ForwardIterator1 __last1, |
| 2840 | _ForwardIterator2 __first2, _ForwardIterator2 __last2, _BinaryPredicate __pred, |
| 2841 | forward_iterator_tag, forward_iterator_tag) |
| 2842 | { |
| 2843 | if (__first2 == __last2) |
| 2844 | return make_pair(__first1, __first1); // Everything matches an empty sequence |
| 2845 | while (true) |
| 2846 | { |
| 2847 | // Find first element in sequence 1 that matchs *__first2, with a mininum of loop checks |
| 2848 | while (true) |
| 2849 | { |
| 2850 | if (__first1 == __last1) // return __last1 if no element matches *__first2 |
| 2851 | return make_pair(__last1, __last1); |
| 2852 | if (__pred(*__first1, *__first2)) |
| 2853 | break; |
| 2854 | ++__first1; |
| 2855 | } |
| 2856 | // *__first1 matches *__first2, now match elements after here |
| 2857 | _ForwardIterator1 __m1 = __first1; |
| 2858 | _ForwardIterator2 __m2 = __first2; |
| 2859 | while (true) |
| 2860 | { |
| 2861 | if (++__m2 == __last2) // If pattern exhausted, __first1 is the answer (works for 1 element pattern) |
| 2862 | return make_pair(__first1, __m1); |
| 2863 | if (++__m1 == __last1) // Otherwise if source exhaused, pattern not found |
| 2864 | return make_pair(__last1, __last1); |
| 2865 | if (!__pred(*__m1, *__m2)) // if there is a mismatch, restart with a new __first1 |
| 2866 | { |
| 2867 | ++__first1; |
| 2868 | break; |
| 2869 | } // else there is a match, check next elements |
| 2870 | } |
| 2871 | } |
| 2872 | } |
| 2873 | |
| 2874 | template <class _BinaryPredicate, class _RandomAccessIterator1, class _RandomAccessIterator2> |
| 2875 | _LIBCPP_CONSTEXPR_AFTER_CXX11 |
| 2876 | pair<_RandomAccessIterator1, _RandomAccessIterator1> |
| 2877 | __search(_RandomAccessIterator1 __first1, _RandomAccessIterator1 __last1, |
| 2878 | _RandomAccessIterator2 __first2, _RandomAccessIterator2 __last2, _BinaryPredicate __pred, |
| 2879 | random_access_iterator_tag, random_access_iterator_tag) |
| 2880 | { |
| 2881 | typedef typename iterator_traits<_RandomAccessIterator1>::difference_type _D1; |
| 2882 | typedef typename iterator_traits<_RandomAccessIterator2>::difference_type _D2; |
| 2883 | // Take advantage of knowing source and pattern lengths. Stop short when source is smaller than pattern |
| 2884 | const _D2 __len2 = __last2 - __first2; |
| 2885 | if (__len2 == 0) |
| 2886 | return make_pair(__first1, __first1); |
| 2887 | const _D1 __len1 = __last1 - __first1; |
| 2888 | if (__len1 < __len2) |
| 2889 | return make_pair(__last1, __last1); |
| 2890 | const _RandomAccessIterator1 __s = __last1 - (__len2 - 1); // Start of pattern match can't go beyond here |
| 2891 | |
| 2892 | while (true) |
| 2893 | { |
| 2894 | while (true) |
| 2895 | { |
| 2896 | if (__first1 == __s) |
| 2897 | return make_pair(__last1, __last1); |
| 2898 | if (__pred(*__first1, *__first2)) |
| 2899 | break; |
| 2900 | ++__first1; |
| 2901 | } |
| 2902 | |
| 2903 | _RandomAccessIterator1 __m1 = __first1; |
| 2904 | _RandomAccessIterator2 __m2 = __first2; |
| 2905 | while (true) |
| 2906 | { |
| 2907 | if (++__m2 == __last2) |
| 2908 | return make_pair(__first1, __first1 + __len2); |
| 2909 | ++__m1; // no need to check range on __m1 because __s guarantees we have enough source |
| 2910 | if (!__pred(*__m1, *__m2)) |
| 2911 | { |
| 2912 | ++__first1; |
| 2913 | break; |
| 2914 | } |
| 2915 | } |
| 2916 | } |
| 2917 | } |
| 2918 | |
| 2919 | #if _LIBCPP_STD_VER > 14 |
| 2920 | |
| 2921 | // default searcher |
| 2922 | template<class _ForwardIterator, class _BinaryPredicate = equal_to<>> |
Dimitry Andric | fd3633d | 2018-02-13 17:40:59 +0000 | [diff] [blame] | 2923 | class _LIBCPP_TYPE_VIS default_searcher { |
Marshall Clow | a40686b | 2018-01-08 19:18:00 +0000 | [diff] [blame] | 2924 | public: |
| 2925 | _LIBCPP_INLINE_VISIBILITY |
Louis Dionne | 44bcff9 | 2018-08-03 22:36:53 +0000 | [diff] [blame] | 2926 | default_searcher(_ForwardIterator __f, _ForwardIterator __l, |
Marshall Clow | a40686b | 2018-01-08 19:18:00 +0000 | [diff] [blame] | 2927 | _BinaryPredicate __p = _BinaryPredicate()) |
| 2928 | : __first_(__f), __last_(__l), __pred_(__p) {} |
| 2929 | |
| 2930 | template <typename _ForwardIterator2> |
| 2931 | _LIBCPP_INLINE_VISIBILITY |
| 2932 | pair<_ForwardIterator2, _ForwardIterator2> |
| 2933 | operator () (_ForwardIterator2 __f, _ForwardIterator2 __l) const |
| 2934 | { |
| 2935 | return _VSTD::__search(__f, __l, __first_, __last_, __pred_, |
| 2936 | typename _VSTD::iterator_traits<_ForwardIterator>::iterator_category(), |
| 2937 | typename _VSTD::iterator_traits<_ForwardIterator2>::iterator_category()); |
| 2938 | } |
| 2939 | |
| 2940 | private: |
| 2941 | _ForwardIterator __first_; |
| 2942 | _ForwardIterator __last_; |
| 2943 | _BinaryPredicate __pred_; |
| 2944 | }; |
| 2945 | |
| 2946 | #endif // _LIBCPP_STD_VER > 14 |
| 2947 | |
Louis Dionne | db1892a | 2018-12-03 14:03:27 +0000 | [diff] [blame] | 2948 | #if _LIBCPP_STD_VER > 17 |
| 2949 | template <class _Tp> |
| 2950 | using unwrap_reference_t = typename unwrap_reference<_Tp>::type; |
| 2951 | |
| 2952 | template <class _Tp> |
| 2953 | using unwrap_ref_decay_t = typename unwrap_ref_decay<_Tp>::type; |
| 2954 | #endif // > C++17 |
| 2955 | |
Howard Hinnant | c51e102 | 2010-05-11 19:42:16 +0000 | [diff] [blame] | 2956 | _LIBCPP_END_NAMESPACE_STD |
| 2957 | |
| 2958 | #endif // _LIBCPP_FUNCTIONAL |