1// -*- C++ -*- 2//===----------------------------------------------------------------------===// 3// 4// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 5// See https://llvm.org/LICENSE.txt for license information. 6// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 7// 8//===----------------------------------------------------------------------===// 9 10#ifndef _LIBCPP_ITERATOR 11#define _LIBCPP_ITERATOR 12 13/* 14 iterator synopsis 15 16#include <concepts> 17 18namespace std 19{ 20template<class> struct incrementable_traits; // since C++20 21template<class T> 22 using iter_difference_t = see below; // since C++20 23 24template<class> struct indirectly_readable_traits; // since C++20 25template<class T> 26 using iter_value_t = see below; // since C++20 27 28template<class Iterator> 29struct iterator_traits; 30 31template<class T> 32 requires is_object_v<T> // since C++20 33struct iterator_traits<T*>; 34 35template<dereferenceable T> 36 using iter_reference_t = decltype(*declval<T&>()); 37 38namespace ranges::inline unspecified { 39 inline constexpr unspecified iter_move = unspecified; // since C++20, nodiscard as an extension 40}} 41 42template<dereferenceable T> 43 requires ... 44using iter_rvalue_reference_t = decltype(ranges::iter_move(declval<T&>())); // since C++20 45 46// [iterator.concepts], iterator concepts 47// [iterator.concept.readable], concept indirectly_readable 48template<class In> 49 concept indirectly_readable = see below; // since C++20 50 51template<indirectly_readable T> 52 using iter_common_reference_t = 53 common_reference_t<iter_reference_t<T>, iter_value_t<T>&>; // since C++20 54 55// [iterator.concept.writable], concept indirectly_writable 56template<class Out, class T> 57 concept indirectly_writable = see below; // since C++20 58 59// [iterator.concept.winc], concept weakly_incrementable 60template<class I> 61 concept weakly_incrementable = see below; // since C++20 62 63// [iterator.concept.inc], concept incrementable 64template<class I> 65 concept incrementable = see below; // since C++20 66 67// [iterator.concept.iterator], concept input_or_output_iterator 68 template<class I> 69 concept input_or_output_iterator = see below; // since C++20 70 71// [iterator.concept.sentinel], concept sentinel_for 72template<class S, class I> 73 concept sentinel_for = see below; // since C++20 74 75// [iterator.concept.sizedsentinel], concept sized_sentinel_for 76template<class S, class I> 77 inline constexpr bool disable_sized_sentinel_for = false; 78 79template<class S, class I> 80 concept sized_sentinel_for = see below; 81 82// [iterator.concept.input], concept input_iterator 83template<class I> 84 concept input_iterator = see below; // since C++20 85 86// [iterator.concept.output], concept output_iterator 87template<class I, class T> 88 concept output_iterator = see below; // since C++20 89 90// [iterator.concept.forward], concept forward_iterator 91template<class I> 92 concept forward_iterator = see below; // since C++20 93 94// [iterator.concept.bidir], concept bidirectional_iterator 95template<class I> 96 concept bidirectional_iterator = see below; // since C++20 97 98// [iterator.concept.random.access], concept random_access_iterator 99template<class I> 100 concept random_access_iterator = see below; // since C++20 101 102// [indirectcallable] 103// [indirectcallable.indirectinvocable] 104template<class F, class I> 105 concept indirectly_unary_invocable = see below; // since C++20 106 107template<class F, class I> 108 concept indirectly_regular_unary_invocable = see below; // since C++20 109 110template<class F, class I> 111 concept indirect_unary_predicate = see below; // since C++20 112 113template<class F, class I1, class I2> 114 concept indirect_binary_predicate = see below; // since C++20 115 116template<class F, class I1, class I2 = I1> 117 concept indirect_equivalence_relation = see below; // since C++20 118 119template<class F, class I1, class I2 = I1> 120 concept indirect_strict_weak_order = see below; // since C++20 121 122template<class F, class... Is> 123 using indirect_result_t = see below; // since C++20 124 125// [projected], projected 126template<indirectly_readable I, indirectly_regular_unary_invocable<I> Proj> 127 struct projected; // since C++20 128 129template<weakly_incrementable I, indirectly_regular_unary_invocable<I> Proj> 130 struct incrementable_traits<projected<I, Proj>>; // since C++20 131 132// [alg.req.ind.move], concept indirectly_movable 133template<class In, class Out> 134 concept indirectly_movable = see below; // since C++20 135 136template<class In, class Out> 137 concept indirectly_movable_storable = see below; // since C++20 138 139// [alg.req.ind.copy], concept indirectly_copyable 140template<class In, class Out> 141 concept indirectly_copyable = see below; // since C++20 142 143template<class In, class Out> 144 concept indirectly_copyable_storable = see below; // since C++20 145 146// [alg.req.ind.swap], concept indirectly_swappable 147template<class I1, class I2 = I1> 148 concept indirectly_swappable = see below; // since C++20 149 150template<class I1, class I2, class R, class P1 = identity, 151 class P2 = identity> 152 concept indirectly_comparable = 153 indirect_binary_predicate<R, projected<I1, P1>, projected<I2, P2>>; // since C++20 154 155// [alg.req.permutable], concept permutable // since C++20 156template<class I> 157 concept permutable = see below; 158 159 // [alg.req.mergeable], concept mergeable 160template<class I1, class I2, class Out, 161 class R = ranges::less, class P1 = identity, class P2 = identity> 162 concept mergeable = see below; // since C++20 163 164template<input_or_output_iterator I, sentinel_for<I> S> 165 requires (!same_as<I, S> && copyable<I>) 166class common_iterator; // since C++20 167 168template<class Category, class T, class Distance = ptrdiff_t, 169 class Pointer = T*, class Reference = T&> 170struct iterator // deprecated in C++17 171{ 172 typedef T value_type; 173 typedef Distance difference_type; 174 typedef Pointer pointer; 175 typedef Reference reference; 176 typedef Category iterator_category; 177}; 178 179struct input_iterator_tag {}; 180struct output_iterator_tag {}; 181struct forward_iterator_tag : public input_iterator_tag {}; 182struct bidirectional_iterator_tag : public forward_iterator_tag {}; 183struct random_access_iterator_tag : public bidirectional_iterator_tag {}; 184struct contiguous_iterator_tag : public random_access_iterator_tag {}; 185 186// 27.4.3, iterator operations 187template <class InputIterator, class Distance> // constexpr in C++17 188 constexpr void advance(InputIterator& i, Distance n); 189 190template <class InputIterator> // constexpr in C++17 191 constexpr typename iterator_traits<InputIterator>::difference_type 192 distance(InputIterator first, InputIterator last); 193 194template <class InputIterator> // constexpr in C++17 195 constexpr InputIterator next(InputIterator x, 196typename iterator_traits<InputIterator>::difference_type n = 1); 197 198template <class BidirectionalIterator> // constexpr in C++17 199 constexpr BidirectionalIterator prev(BidirectionalIterator x, 200 typename iterator_traits<BidirectionalIterator>::difference_type n = 1); 201 202// [range.iter.ops], range iterator operations 203namespace ranges { 204 // [range.iter.op.advance], ranges::advance 205 template<input_or_output_iterator I> 206 constexpr void advance(I& i, iter_difference_t<I> n); // since C++20 207 template<input_or_output_iterator I, sentinel_for<I> S> 208 constexpr void advance(I& i, S bound); // since C++20 209 template<input_or_output_iterator I, sentinel_for<I> S> 210 constexpr iter_difference_t<I> advance(I& i, iter_difference_t<I> n, S bound); // since C++20 211} 212 213template <class Iterator> 214class reverse_iterator 215 : public iterator<typename iterator_traits<Iterator>::iterator_category, // until C++17 216 typename iterator_traits<Iterator>::value_type, 217 typename iterator_traits<Iterator>::difference_type, 218 typename iterator_traits<Iterator>::pointer, 219 typename iterator_traits<Iterator>::reference> 220{ 221protected: 222 Iterator current; 223public: 224 typedef Iterator iterator_type; 225 typedef typename iterator_traits<Iterator>::difference_type difference_type; 226 typedef typename iterator_traits<Iterator>::reference reference; 227 typedef typename iterator_traits<Iterator>::pointer pointer; 228 229 constexpr reverse_iterator(); 230 constexpr explicit reverse_iterator(Iterator x); 231 template <class U> constexpr reverse_iterator(const reverse_iterator<U>& u); 232 template <class U> constexpr reverse_iterator& operator=(const reverse_iterator<U>& u); 233 constexpr Iterator base() const; 234 constexpr reference operator*() const; 235 constexpr pointer operator->() const; 236 constexpr reverse_iterator& operator++(); 237 constexpr reverse_iterator operator++(int); 238 constexpr reverse_iterator& operator--(); 239 constexpr reverse_iterator operator--(int); 240 constexpr reverse_iterator operator+ (difference_type n) const; 241 constexpr reverse_iterator& operator+=(difference_type n); 242 constexpr reverse_iterator operator- (difference_type n) const; 243 constexpr reverse_iterator& operator-=(difference_type n); 244 constexpr reference operator[](difference_type n) const; 245}; 246 247template <class Iterator1, class Iterator2> 248constexpr bool // constexpr in C++17 249operator==(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 250 251template <class Iterator1, class Iterator2> 252constexpr bool // constexpr in C++17 253operator<(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 254 255template <class Iterator1, class Iterator2> 256constexpr bool // constexpr in C++17 257operator!=(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 258 259template <class Iterator1, class Iterator2> 260constexpr bool // constexpr in C++17 261operator>(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 262 263template <class Iterator1, class Iterator2> 264constexpr bool // constexpr in C++17 265operator>=(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 266 267template <class Iterator1, class Iterator2> 268constexpr bool // constexpr in C++17 269operator<=(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 270 271template <class Iterator1, class Iterator2> 272constexpr auto 273operator-(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y) 274-> decltype(__y.base() - __x.base()); // constexpr in C++17 275 276template <class Iterator> 277constexpr reverse_iterator<Iterator> 278operator+(typename reverse_iterator<Iterator>::difference_type n, 279 const reverse_iterator<Iterator>& x); // constexpr in C++17 280 281template <class Iterator> 282constexpr reverse_iterator<Iterator> make_reverse_iterator(Iterator i); // C++14, constexpr in C++17 283 284template <class Container> 285class back_insert_iterator 286 : public iterator<output_iterator_tag, void, void, void, void> // until C++17 287{ 288protected: 289 Container* container; 290public: 291 typedef Container container_type; 292 typedef void value_type; 293 typedef void difference_type; // until C++20 294 typedef ptrdiff_t difference_type; // since C++20 295 typedef void reference; 296 typedef void pointer; 297 298 explicit back_insert_iterator(Container& x); // constexpr in C++20 299 back_insert_iterator& operator=(const typename Container::value_type& value); // constexpr in C++20 300 back_insert_iterator& operator*(); // constexpr in C++20 301 back_insert_iterator& operator++(); // constexpr in C++20 302 back_insert_iterator operator++(int); // constexpr in C++20 303}; 304 305template <class Container> back_insert_iterator<Container> back_inserter(Container& x); // constexpr in C++20 306 307template <class Container> 308class front_insert_iterator 309 : public iterator<output_iterator_tag, void, void, void, void> // until C++17 310{ 311protected: 312 Container* container; 313public: 314 typedef Container container_type; 315 typedef void value_type; 316 typedef void difference_type; // until C++20 317 typedef ptrdiff_t difference_type; // since C++20 318 typedef void reference; 319 typedef void pointer; 320 321 explicit front_insert_iterator(Container& x); // constexpr in C++20 322 front_insert_iterator& operator=(const typename Container::value_type& value); // constexpr in C++20 323 front_insert_iterator& operator*(); // constexpr in C++20 324 front_insert_iterator& operator++(); // constexpr in C++20 325 front_insert_iterator operator++(int); // constexpr in C++20 326}; 327 328template <class Container> front_insert_iterator<Container> front_inserter(Container& x); // constexpr in C++20 329 330template <class Container> 331class insert_iterator 332 : public iterator<output_iterator_tag, void, void, void, void> // until C++17 333{ 334protected: 335 Container* container; 336 typename Container::iterator iter; 337public: 338 typedef Container container_type; 339 typedef void value_type; 340 typedef void difference_type; // until C++20 341 typedef ptrdiff_t difference_type; // since C++20 342 typedef void reference; 343 typedef void pointer; 344 345 insert_iterator(Container& x, typename Container::iterator i); // constexpr in C++20 346 insert_iterator& operator=(const typename Container::value_type& value); // constexpr in C++20 347 insert_iterator& operator*(); // constexpr in C++20 348 insert_iterator& operator++(); // constexpr in C++20 349 insert_iterator& operator++(int); // constexpr in C++20 350}; 351 352template <class Container> 353insert_iterator<Container> inserter(Container& x, typename Container::iterator i); // until C++20 354template <class Container> 355constexpr insert_iterator<Container> inserter(Container& x, ranges::iterator_t<Container> i); // since C++20 356 357template <class Iterator> 358class move_iterator { 359public: 360 typedef Iterator iterator_type; 361 typedef typename iterator_traits<Iterator>::difference_type difference_type; 362 typedef Iterator pointer; 363 typedef typename iterator_traits<Iterator>::value_type value_type; 364 typedef typename iterator_traits<Iterator>::iterator_category iterator_category; 365 typedef value_type&& reference; 366 367 constexpr move_iterator(); // all the constexprs are in C++17 368 constexpr explicit move_iterator(Iterator i); 369 template <class U> 370 constexpr move_iterator(const move_iterator<U>& u); 371 template <class U> 372 constexpr move_iterator& operator=(const move_iterator<U>& u); 373 constexpr iterator_type base() const; 374 constexpr reference operator*() const; 375 constexpr pointer operator->() const; 376 constexpr move_iterator& operator++(); 377 constexpr move_iterator operator++(int); 378 constexpr move_iterator& operator--(); 379 constexpr move_iterator operator--(int); 380 constexpr move_iterator operator+(difference_type n) const; 381 constexpr move_iterator& operator+=(difference_type n); 382 constexpr move_iterator operator-(difference_type n) const; 383 constexpr move_iterator& operator-=(difference_type n); 384 constexpr unspecified operator[](difference_type n) const; 385private: 386 Iterator current; // exposition only 387}; 388 389template <class Iterator1, class Iterator2> 390constexpr bool // constexpr in C++17 391operator==(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y); 392 393template <class Iterator1, class Iterator2> 394constexpr bool // constexpr in C++17 395operator!=(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y); 396 397template <class Iterator1, class Iterator2> 398constexpr bool // constexpr in C++17 399operator<(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y); 400 401template <class Iterator1, class Iterator2> 402constexpr bool // constexpr in C++17 403operator<=(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y); 404 405template <class Iterator1, class Iterator2> 406constexpr bool // constexpr in C++17 407operator>(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y); 408 409template <class Iterator1, class Iterator2> 410constexpr bool // constexpr in C++17 411operator>=(const move_iterator<Iterator1>& x, const move_iterator<Iterator2>& y); 412 413template <class Iterator1, class Iterator2> 414constexpr auto // constexpr in C++17 415operator-(const move_iterator<Iterator1>& x, 416 const move_iterator<Iterator2>& y) -> decltype(x.base() - y.base()); 417 418template <class Iterator> 419constexpr move_iterator<Iterator> operator+( // constexpr in C++17 420 typename move_iterator<Iterator>::difference_type n, 421 const move_iterator<Iterator>& x); 422 423template <class Iterator> // constexpr in C++17 424constexpr move_iterator<Iterator> make_move_iterator(const Iterator& i); 425 426// [default.sentinel], default sentinel 427struct default_sentinel_t; 428inline constexpr default_sentinel_t default_sentinel{}; 429 430// [iterators.counted], counted iterators 431template<input_or_output_iterator I> class counted_iterator; 432 433template<input_iterator I> 434 requires see below 435 struct iterator_traits<counted_iterator<I>>; 436 437// [unreachable.sentinel], unreachable sentinel 438struct unreachable_sentinel_t; 439inline constexpr unreachable_sentinel_t unreachable_sentinel{}; 440 441template <class T, class charT = char, class traits = char_traits<charT>, class Distance = ptrdiff_t> 442class istream_iterator 443 : public iterator<input_iterator_tag, T, Distance, const T*, const T&> // until C++17 444{ 445public: 446 typedef input_iterator_tag iterator_category; 447 typedef T value_type; 448 typedef Distance difference_type; 449 typedef const T* pointer; 450 typedef const T& reference; 451 452 typedef charT char_type; 453 typedef traits traits_type; 454 typedef basic_istream<charT, traits> istream_type; 455 456 istream_iterator(); // constexpr since C++11 457 constexpr istream_iterator(default_sentinel_t); // since C++20 458 istream_iterator(istream_type& s); 459 istream_iterator(const istream_iterator& x); 460 ~istream_iterator(); 461 462 const T& operator*() const; 463 const T* operator->() const; 464 istream_iterator& operator++(); 465 istream_iterator operator++(int); 466 friend bool operator==(const istream_iterator& i, default_sentinel_t); // since C++20 467}; 468 469template <class T, class charT, class traits, class Distance> 470bool operator==(const istream_iterator<T,charT,traits,Distance>& x, 471 const istream_iterator<T,charT,traits,Distance>& y); 472template <class T, class charT, class traits, class Distance> 473bool operator!=(const istream_iterator<T,charT,traits,Distance>& x, 474 const istream_iterator<T,charT,traits,Distance>& y); // until C++20 475 476template <class T, class charT = char, class traits = char_traits<charT> > 477class ostream_iterator 478 : public iterator<output_iterator_tag, void, void, void, void> // until C++17 479{ 480public: 481 typedef output_iterator_tag iterator_category; 482 typedef void value_type; 483 typedef void difference_type; // until C++20 484 typedef ptrdiff_t difference_type; // since C++20 485 typedef void pointer; 486 typedef void reference; 487 488 typedef charT char_type; 489 typedef traits traits_type; 490 typedef basic_ostream<charT,traits> ostream_type; 491 492 ostream_iterator(ostream_type& s); 493 ostream_iterator(ostream_type& s, const charT* delimiter); 494 ostream_iterator(const ostream_iterator& x); 495 ~ostream_iterator(); 496 ostream_iterator& operator=(const T& value); 497 498 ostream_iterator& operator*(); 499 ostream_iterator& operator++(); 500 ostream_iterator& operator++(int); 501}; 502 503template<class charT, class traits = char_traits<charT> > 504class istreambuf_iterator 505 : public iterator<input_iterator_tag, charT, traits::off_type, unspecified, charT> // until C++17 506{ 507public: 508 typedef input_iterator_tag iterator_category; 509 typedef charT value_type; 510 typedef traits::off_type difference_type; 511 typedef unspecified pointer; 512 typedef charT reference; 513 514 typedef charT char_type; 515 typedef traits traits_type; 516 typedef traits::int_type int_type; 517 typedef basic_streambuf<charT, traits> streambuf_type; 518 typedef basic_istream<charT, traits> istream_type; 519 520 istreambuf_iterator() noexcept; // constexpr since C++11 521 constexpr istreambuf_iterator(default_sentinel_t) noexcept; // since C++20 522 istreambuf_iterator(istream_type& s) noexcept; 523 istreambuf_iterator(streambuf_type* s) noexcept; 524 istreambuf_iterator(a-private-type) noexcept; 525 526 charT operator*() const; 527 pointer operator->() const; 528 istreambuf_iterator& operator++(); 529 a-private-type operator++(int); 530 531 bool equal(const istreambuf_iterator& b) const; 532 friend bool operator==(const istreambuf_iterator& i, default_sentinel_t s); // since C++20 533}; 534 535template <class charT, class traits> 536bool operator==(const istreambuf_iterator<charT,traits>& a, 537 const istreambuf_iterator<charT,traits>& b); 538template <class charT, class traits> 539bool operator!=(const istreambuf_iterator<charT,traits>& a, 540 const istreambuf_iterator<charT,traits>& b); // until C++20 541 542template <class charT, class traits = char_traits<charT> > 543class ostreambuf_iterator 544 : public iterator<output_iterator_tag, void, void, void, void> // until C++17 545{ 546public: 547 typedef output_iterator_tag iterator_category; 548 typedef void value_type; 549 typedef void difference_type; // until C++20 550 typedef ptrdiff_t difference_type; // since C++20 551 typedef void pointer; 552 typedef void reference; 553 554 typedef charT char_type; 555 typedef traits traits_type; 556 typedef basic_streambuf<charT, traits> streambuf_type; 557 typedef basic_ostream<charT, traits> ostream_type; 558 559 ostreambuf_iterator(ostream_type& s) noexcept; 560 ostreambuf_iterator(streambuf_type* s) noexcept; 561 ostreambuf_iterator& operator=(charT c); 562 ostreambuf_iterator& operator*(); 563 ostreambuf_iterator& operator++(); 564 ostreambuf_iterator& operator++(int); 565 bool failed() const noexcept; 566}; 567 568template <class C> constexpr auto begin(C& c) -> decltype(c.begin()); 569template <class C> constexpr auto begin(const C& c) -> decltype(c.begin()); 570template <class C> constexpr auto end(C& c) -> decltype(c.end()); 571template <class C> constexpr auto end(const C& c) -> decltype(c.end()); 572template <class T, size_t N> constexpr T* begin(T (&array)[N]); 573template <class T, size_t N> constexpr T* end(T (&array)[N]); 574 575template <class C> auto constexpr cbegin(const C& c) -> decltype(std::begin(c)); // C++14 576template <class C> auto constexpr cend(const C& c) -> decltype(std::end(c)); // C++14 577template <class C> auto constexpr rbegin(C& c) -> decltype(c.rbegin()); // C++14 578template <class C> auto constexpr rbegin(const C& c) -> decltype(c.rbegin()); // C++14 579template <class C> auto constexpr rend(C& c) -> decltype(c.rend()); // C++14 580template <class C> constexpr auto rend(const C& c) -> decltype(c.rend()); // C++14 581template <class E> reverse_iterator<const E*> constexpr rbegin(initializer_list<E> il); // C++14 582template <class E> reverse_iterator<const E*> constexpr rend(initializer_list<E> il); // C++14 583template <class T, size_t N> reverse_iterator<T*> constexpr rbegin(T (&array)[N]); // C++14 584template <class T, size_t N> reverse_iterator<T*> constexpr rend(T (&array)[N]); // C++14 585template <class C> constexpr auto crbegin(const C& c) -> decltype(std::rbegin(c)); // C++14 586template <class C> constexpr auto crend(const C& c) -> decltype(std::rend(c)); // C++14 587 588// 24.8, container access: 589template <class C> constexpr auto size(const C& c) -> decltype(c.size()); // C++17 590template <class T, size_t N> constexpr size_t size(const T (&array)[N]) noexcept; // C++17 591 592template <class C> constexpr auto ssize(const C& c) 593 -> common_type_t<ptrdiff_t, make_signed_t<decltype(c.size())>>; // C++20 594template <class T, ptrdiff_t> constexpr ptrdiff_t ssize(const T (&array)[N]) noexcept; // C++20 595 596template <class C> constexpr auto empty(const C& c) -> decltype(c.empty()); // C++17 597template <class T, size_t N> constexpr bool empty(const T (&array)[N]) noexcept; // C++17 598template <class E> constexpr bool empty(initializer_list<E> il) noexcept; // C++17 599template <class C> constexpr auto data(C& c) -> decltype(c.data()); // C++17 600template <class C> constexpr auto data(const C& c) -> decltype(c.data()); // C++17 601template <class T, size_t N> constexpr T* data(T (&array)[N]) noexcept; // C++17 602template <class E> constexpr const E* data(initializer_list<E> il) noexcept; // C++17 603 604} // std 605 606*/ 607 608#include <__config> 609#include <__debug> 610#include <__iterator/access.h> 611#include <__iterator/advance.h> 612#include <__iterator/back_insert_iterator.h> 613#include <__iterator/common_iterator.h> 614#include <__iterator/concepts.h> 615#include <__iterator/counted_iterator.h> 616#include <__iterator/data.h> 617#include <__iterator/default_sentinel.h> 618#include <__iterator/distance.h> 619#include <__iterator/empty.h> 620#include <__iterator/erase_if_container.h> 621#include <__iterator/front_insert_iterator.h> 622#include <__iterator/incrementable_traits.h> 623#include <__iterator/indirectly_comparable.h> 624#include <__iterator/insert_iterator.h> 625#include <__iterator/istream_iterator.h> 626#include <__iterator/istreambuf_iterator.h> 627#include <__iterator/iter_move.h> 628#include <__iterator/iter_swap.h> 629#include <__iterator/iterator.h> 630#include <__iterator/iterator_traits.h> 631#include <__iterator/mergeable.h> 632#include <__iterator/move_iterator.h> 633#include <__iterator/next.h> 634#include <__iterator/ostream_iterator.h> 635#include <__iterator/ostreambuf_iterator.h> 636#include <__iterator/permutable.h> 637#include <__iterator/prev.h> 638#include <__iterator/projected.h> 639#include <__iterator/readable_traits.h> 640#include <__iterator/reverse_access.h> 641#include <__iterator/reverse_iterator.h> 642#include <__iterator/size.h> 643#include <__iterator/unreachable_sentinel.h> 644#include <__iterator/wrap_iter.h> 645#include <__memory/addressof.h> 646#include <__memory/pointer_traits.h> 647#include <compare> 648#include <concepts> // Mandated by the Standard. 649#include <cstddef> 650#include <initializer_list> 651#include <type_traits> 652#include <utility> 653#include <version> 654 655// TODO: remove these headers 656#include <__functional/binary_function.h> 657#include <__functional/invoke.h> 658#include <__functional/operations.h> 659#include <__functional/reference_wrapper.h> 660#include <__functional/unary_function.h> 661#include <__functional/weak_result_type.h> 662#include <__memory/allocator_arg_t.h> 663#include <__memory/uses_allocator.h> 664#include <exception> 665#include <new> 666#include <typeinfo> 667 668#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 669# pragma GCC system_header 670#endif 671 672#endif // _LIBCPP_ITERATOR 673