1// -*- C++ -*- 2//===-------------------------- iterator ----------------------------------===// 3// 4// The LLVM Compiler Infrastructure 5// 6// This file is dual licensed under the MIT and the University of Illinois Open 7// Source Licenses. See LICENSE.TXT for details. 8// 9//===----------------------------------------------------------------------===// 10 11#ifndef _LIBCPP_ITERATOR 12#define _LIBCPP_ITERATOR 13 14/* 15 iterator synopsis 16 17namespace std 18{ 19 20template<class Iterator> 21struct iterator_traits 22{ 23 typedef typename Iterator::difference_type difference_type; 24 typedef typename Iterator::value_type value_type; 25 typedef typename Iterator::pointer pointer; 26 typedef typename Iterator::reference reference; 27 typedef typename Iterator::iterator_category iterator_category; 28}; 29 30template<class T> 31struct iterator_traits<T*> 32{ 33 typedef ptrdiff_t difference_type; 34 typedef T value_type; 35 typedef T* pointer; 36 typedef T& reference; 37 typedef random_access_iterator_tag iterator_category; 38}; 39 40template<class T> 41struct iterator_traits<const T*> 42{ 43 typedef ptrdiff_t difference_type; 44 typedef T value_type; 45 typedef const T* pointer; 46 typedef const T& reference; 47 typedef random_access_iterator_tag iterator_category; 48}; 49 50template<class Category, class T, class Distance = ptrdiff_t, 51 class Pointer = T*, class Reference = T&> 52struct iterator 53{ 54 typedef T value_type; 55 typedef Distance difference_type; 56 typedef Pointer pointer; 57 typedef Reference reference; 58 typedef Category iterator_category; 59}; 60 61struct input_iterator_tag {}; 62struct output_iterator_tag {}; 63struct forward_iterator_tag : public input_iterator_tag {}; 64struct bidirectional_iterator_tag : public forward_iterator_tag {}; 65struct random_access_iterator_tag : public bidirectional_iterator_tag {}; 66 67// extension: second argument not conforming to C++03 68template <class InputIterator> 69void advance(InputIterator& i, 70 typename iterator_traits<InputIterator>::difference_type n); 71 72template <class InputIterator> 73typename iterator_traits<InputIterator>::difference_type 74distance(InputIterator first, InputIterator last); 75 76template <class Iterator> 77class reverse_iterator 78 : public iterator<typename iterator_traits<Iterator>::iterator_category, 79 typename iterator_traits<Iterator>::value_type, 80 typename iterator_traits<Iterator>::difference_type, 81 typename iterator_traits<Iterator>::pointer, 82 typename iterator_traits<Iterator>::reference> 83{ 84protected: 85 Iterator current; 86public: 87 typedef Iterator iterator_type; 88 typedef typename iterator_traits<Iterator>::difference_type difference_type; 89 typedef typename iterator_traits<Iterator>::reference reference; 90 typedef typename iterator_traits<Iterator>::pointer pointer; 91 92 reverse_iterator(); 93 explicit reverse_iterator(Iterator x); 94 template <class U> reverse_iterator(const reverse_iterator<U>& u); 95 Iterator base() const; 96 reference operator*() const; 97 pointer operator->() const; 98 reverse_iterator& operator++(); 99 reverse_iterator operator++(int); 100 reverse_iterator& operator--(); 101 reverse_iterator operator--(int); 102 reverse_iterator operator+ (difference_type n) const; 103 reverse_iterator& operator+=(difference_type n); 104 reverse_iterator operator- (difference_type n) const; 105 reverse_iterator& operator-=(difference_type n); 106 reference operator[](difference_type n) const; 107}; 108 109template <class Iterator1, class Iterator2> 110bool 111operator==(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 112 113template <class Iterator1, class Iterator2> 114bool 115operator<(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 116 117template <class Iterator1, class Iterator2> 118bool 119operator!=(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 120 121template <class Iterator1, class Iterator2> 122bool 123operator>(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 124 125template <class Iterator1, class Iterator2> 126bool 127operator>=(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 128 129template <class Iterator1, class Iterator2> 130bool 131operator<=(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 132 133template <class Iterator1, class Iterator2> 134typename reverse_iterator<Iterator1>::difference_type 135operator-(const reverse_iterator<Iterator1>& x, const reverse_iterator<Iterator2>& y); 136 137template <class Iterator> 138reverse_iterator<Iterator> 139operator+(typename reverse_iterator<Iterator>::difference_type n, const reverse_iterator<Iterator>& x); 140 141template <class Container> 142class back_insert_iterator 143{ 144protected: 145 Container* container; 146public: 147 typedef Container container_type; 148 typedef void value_type; 149 typedef void difference_type; 150 typedef back_insert_iterator<Cont>& reference; 151 typedef void pointer; 152 153 explicit back_insert_iterator(Container& x); 154 back_insert_iterator& operator=(const typename Container::value_type& value); 155 back_insert_iterator& operator*(); 156 back_insert_iterator& operator++(); 157 back_insert_iterator operator++(int); 158}; 159 160template <class Container> back_insert_iterator<Container> back_inserter(Container& x); 161 162template <class Container> 163class front_insert_iterator 164{ 165protected: 166 Container* container; 167public: 168 typedef Container container_type; 169 typedef void value_type; 170 typedef void difference_type; 171 typedef front_insert_iterator<Cont>& reference; 172 typedef void pointer; 173 174 explicit front_insert_iterator(Container& x); 175 front_insert_iterator& operator=(const typename Container::value_type& value); 176 front_insert_iterator& operator*(); 177 front_insert_iterator& operator++(); 178 front_insert_iterator operator++(int); 179}; 180 181template <class Container> front_insert_iterator<Container> front_inserter(Container& x); 182 183template <class Container> 184class insert_iterator 185{ 186protected: 187 Container* container; 188 typename Container::iterator iter; 189public: 190 typedef Container container_type; 191 typedef void value_type; 192 typedef void difference_type; 193 typedef insert_iterator<Cont>& reference; 194 typedef void pointer; 195 196 insert_iterator(Container& x, typename Container::iterator i); 197 insert_iterator& operator=(const typename Container::value_type& value); 198 insert_iterator& operator*(); 199 insert_iterator& operator++(); 200 insert_iterator& operator++(int); 201}; 202 203template <class Container, class Iterator> 204insert_iterator<Container> inserter(Container& x, Iterator i); 205 206template <class T, class charT = char, class traits = char_traits<charT>, class Distance = ptrdiff_t> 207class istream_iterator 208 : public iterator<input_iterator_tag, T, Distance, const T*, const T&> 209{ 210public: 211 typedef charT char_type; 212 typedef traits traits_type; 213 typedef basic_istream<charT,traits> istream_type; 214 215 istream_iterator(); 216 istream_iterator(istream_type& s); 217 istream_iterator(const istream_iterator& x); 218 ~istream_iterator(); 219 220 const T& operator*() const; 221 const T* operator->() const; 222 istream_iterator& operator++(); 223 istream_iterator operator++(int); 224}; 225 226template <class T, class charT, class traits, class Distance> 227bool operator==(const istream_iterator<T,charT,traits,Distance>& x, 228 const istream_iterator<T,charT,traits,Distance>& y); 229template <class T, class charT, class traits, class Distance> 230bool operator!=(const istream_iterator<T,charT,traits,Distance>& x, 231 const istream_iterator<T,charT,traits,Distance>& y); 232 233template <class T, class charT = char, class traits = char_traits<charT> > 234class ostream_iterator 235 : public iterator<output_iterator_tag, void, void, void ,void> 236{ 237public: 238 typedef charT char_type; 239 typedef traits traits_type; 240 typedef basic_ostream<charT,traits> ostream_type; 241 242 ostream_iterator(ostream_type& s); 243 ostream_iterator(ostream_type& s, const charT* delimiter); 244 ostream_iterator(const ostream_iterator& x); 245 ~ostream_iterator(); 246 ostream_iterator& operator=(const T& value); 247 248 ostream_iterator& operator*(); 249 ostream_iterator& operator++(); 250 ostream_iterator& operator++(int); 251}; 252 253template<class charT, class traits = char_traits<charT> > 254class istreambuf_iterator 255 : public iterator<input_iterator_tag, charT, 256 typename traits::off_type, unspecified, 257 charT> 258{ 259public: 260 typedef charT char_type; 261 typedef traits traits_type; 262 typedef typename traits::int_type int_type; 263 typedef basic_streambuf<charT,traits> streambuf_type; 264 typedef basic_istream<charT,traits> istream_type; 265 266 istreambuf_iterator() noexcept; 267 istreambuf_iterator(istream_type& s) noexcept; 268 istreambuf_iterator(streambuf_type* s) noexcept; 269 istreambuf_iterator(a-private-type) noexcept; 270 271 charT operator*() const; 272 pointer operator->() const; 273 istreambuf_iterator& operator++(); 274 a-private-type operator++(int); 275 276 bool equal(const istreambuf_iterator& b) const; 277}; 278 279template <class charT, class traits> 280bool operator==(const istreambuf_iterator<charT,traits>& a, 281 const istreambuf_iterator<charT,traits>& b); 282template <class charT, class traits> 283bool operator!=(const istreambuf_iterator<charT,traits>& a, 284 const istreambuf_iterator<charT,traits>& b); 285 286template <class charT, class traits = char_traits<charT> > 287class ostreambuf_iterator 288 : public iterator<output_iterator_tag, void, void, void, void> 289{ 290public: 291 typedef charT char_type; 292 typedef traits traits_type; 293 typedef basic_streambuf<charT,traits> streambuf_type; 294 typedef basic_ostream<charT,traits> ostream_type; 295 296 ostreambuf_iterator(ostream_type& s) noexcept; 297 ostreambuf_iterator(streambuf_type* s) noexcept; 298 ostreambuf_iterator& operator=(charT c); 299 ostreambuf_iterator& operator*(); 300 ostreambuf_iterator& operator++(); 301 ostreambuf_iterator& operator++(int); 302 bool failed() const noexcept; 303}; 304 305template <class C> auto begin(C& c) -> decltype(c.begin()); 306template <class C> auto begin(const C& c) -> decltype(c.begin()); 307template <class C> auto end(C& c) -> decltype(c.end()); 308template <class C> auto end(const C& c) -> decltype(c.end()); 309template <class T, size_t N> T* begin(T (&array)[N]); 310template <class T, size_t N> T* end(T (&array)[N]); 311 312} // std 313 314*/ 315 316#include <__config> 317#include <type_traits> 318#include <cstddef> 319#include <iosfwd> 320#ifdef _LIBCPP_DEBUG 321#include <cassert> 322#endif 323 324#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 325#pragma GCC system_header 326#endif 327 328_LIBCPP_BEGIN_NAMESPACE_STD 329 330struct _LIBCPP_VISIBLE input_iterator_tag {}; 331struct _LIBCPP_VISIBLE output_iterator_tag {}; 332struct _LIBCPP_VISIBLE forward_iterator_tag : public input_iterator_tag {}; 333struct _LIBCPP_VISIBLE bidirectional_iterator_tag : public forward_iterator_tag {}; 334struct _LIBCPP_VISIBLE random_access_iterator_tag : public bidirectional_iterator_tag {}; 335 336template <class _Tp> 337struct __has_iterator_category 338{ 339private: 340 struct __two {char _; char __;}; 341 template <class _Up> static __two __test(...); 342 template <class _Up> static char __test(typename _Up::iterator_category* = 0); 343public: 344 static const bool value = sizeof(__test<_Tp>(0)) == 1; 345}; 346 347template <class _Iter, bool> struct ____iterator_traits {}; 348 349template <class _Iter> 350struct ____iterator_traits<_Iter, true> 351{ 352 typedef typename _Iter::difference_type difference_type; 353 typedef typename _Iter::value_type value_type; 354 typedef typename _Iter::pointer pointer; 355 typedef typename _Iter::reference reference; 356 typedef typename _Iter::iterator_category iterator_category; 357}; 358 359template <class _Iter, bool> struct __iterator_traits {}; 360 361template <class _Iter> 362struct __iterator_traits<_Iter, true> 363 : ____iterator_traits 364 < 365 _Iter, 366 is_convertible<typename _Iter::iterator_category, input_iterator_tag>::value || 367 is_convertible<typename _Iter::iterator_category, output_iterator_tag>::value 368 > 369{}; 370 371// iterator_traits<Iterator> will only have the nested types if Iterator::iterator_category 372// exists. Else iterator_traits<Iterator> will be an empty class. This is a 373// conforming extension which allows some programs to compile and behave as 374// the client expects instead of failing at compile time. 375 376template <class _Iter> 377struct _LIBCPP_VISIBLE iterator_traits 378 : __iterator_traits<_Iter, __has_iterator_category<_Iter>::value> {}; 379 380template<class _Tp> 381struct _LIBCPP_VISIBLE iterator_traits<_Tp*> 382{ 383 typedef ptrdiff_t difference_type; 384 typedef typename remove_const<_Tp>::type value_type; 385 typedef _Tp* pointer; 386 typedef _Tp& reference; 387 typedef random_access_iterator_tag iterator_category; 388}; 389 390template <class _Tp, class _Up, bool = __has_iterator_category<iterator_traits<_Tp> >::value> 391struct __has_iterator_category_convertible_to 392 : public integral_constant<bool, is_convertible<typename iterator_traits<_Tp>::iterator_category, _Up>::value> 393{}; 394 395template <class _Tp, class _Up> 396struct __has_iterator_category_convertible_to<_Tp, _Up, false> : public false_type {}; 397 398template <class _Tp> 399struct __is_input_iterator : public __has_iterator_category_convertible_to<_Tp, input_iterator_tag> {}; 400 401template <class _Tp> 402struct __is_forward_iterator : public __has_iterator_category_convertible_to<_Tp, forward_iterator_tag> {}; 403 404template <class _Tp> 405struct __is_bidirectional_iterator : public __has_iterator_category_convertible_to<_Tp, bidirectional_iterator_tag> {}; 406 407template <class _Tp> 408struct __is_random_access_iterator : public __has_iterator_category_convertible_to<_Tp, random_access_iterator_tag> {}; 409 410template<class _Category, class _Tp, class _Distance = ptrdiff_t, 411 class _Pointer = _Tp*, class _Reference = _Tp&> 412struct _LIBCPP_VISIBLE iterator 413{ 414 typedef _Tp value_type; 415 typedef _Distance difference_type; 416 typedef _Pointer pointer; 417 typedef _Reference reference; 418 typedef _Category iterator_category; 419}; 420 421template <class _InputIter> 422inline _LIBCPP_INLINE_VISIBILITY 423void __advance(_InputIter& __i, 424 typename iterator_traits<_InputIter>::difference_type __n, input_iterator_tag) 425{ 426 for (; __n > 0; --__n) 427 ++__i; 428} 429 430template <class _BiDirIter> 431inline _LIBCPP_INLINE_VISIBILITY 432void __advance(_BiDirIter& __i, 433 typename iterator_traits<_BiDirIter>::difference_type __n, bidirectional_iterator_tag) 434{ 435 if (__n >= 0) 436 for (; __n > 0; --__n) 437 ++__i; 438 else 439 for (; __n < 0; ++__n) 440 --__i; 441} 442 443template <class _RandIter> 444inline _LIBCPP_INLINE_VISIBILITY 445void __advance(_RandIter& __i, 446 typename iterator_traits<_RandIter>::difference_type __n, random_access_iterator_tag) 447{ 448 __i += __n; 449} 450 451template <class _InputIter> 452inline _LIBCPP_INLINE_VISIBILITY 453void advance(_InputIter& __i, 454 typename iterator_traits<_InputIter>::difference_type __n) 455{ 456 __advance(__i, __n, typename iterator_traits<_InputIter>::iterator_category()); 457} 458 459template <class _InputIter> 460inline _LIBCPP_INLINE_VISIBILITY 461typename iterator_traits<_InputIter>::difference_type 462__distance(_InputIter __first, _InputIter __last, input_iterator_tag) 463{ 464 typename iterator_traits<_InputIter>::difference_type __r(0); 465 for (; __first != __last; ++__first) 466 ++__r; 467 return __r; 468} 469 470template <class _RandIter> 471inline _LIBCPP_INLINE_VISIBILITY 472typename iterator_traits<_RandIter>::difference_type 473__distance(_RandIter __first, _RandIter __last, random_access_iterator_tag) 474{ 475 return __last - __first; 476} 477 478template <class _InputIter> 479inline _LIBCPP_INLINE_VISIBILITY 480typename iterator_traits<_InputIter>::difference_type 481distance(_InputIter __first, _InputIter __last) 482{ 483 return __distance(__first, __last, typename iterator_traits<_InputIter>::iterator_category()); 484} 485 486template <class _ForwardIter> 487inline _LIBCPP_INLINE_VISIBILITY 488_ForwardIter 489next(_ForwardIter __x, 490 typename iterator_traits<_ForwardIter>::difference_type __n = 1, 491 typename enable_if<__is_forward_iterator<_ForwardIter>::value>::type* = 0) 492{ 493 _VSTD::advance(__x, __n); 494 return __x; 495} 496 497template <class _BidiretionalIter> 498inline _LIBCPP_INLINE_VISIBILITY 499_BidiretionalIter 500prev(_BidiretionalIter __x, 501 typename iterator_traits<_BidiretionalIter>::difference_type __n = 1, 502 typename enable_if<__is_bidirectional_iterator<_BidiretionalIter>::value>::type* = 0) 503{ 504 _VSTD::advance(__x, -__n); 505 return __x; 506} 507 508template <class _Iter> 509class _LIBCPP_VISIBLE reverse_iterator 510 : public iterator<typename iterator_traits<_Iter>::iterator_category, 511 typename iterator_traits<_Iter>::value_type, 512 typename iterator_traits<_Iter>::difference_type, 513 typename iterator_traits<_Iter>::pointer, 514 typename iterator_traits<_Iter>::reference> 515{ 516private: 517 mutable _Iter __t; 518protected: 519 _Iter current; 520public: 521 typedef _Iter iterator_type; 522 typedef typename iterator_traits<_Iter>::difference_type difference_type; 523 typedef typename iterator_traits<_Iter>::reference reference; 524 typedef typename iterator_traits<_Iter>::pointer pointer; 525 526 _LIBCPP_INLINE_VISIBILITY reverse_iterator() : current() {} 527 _LIBCPP_INLINE_VISIBILITY explicit reverse_iterator(_Iter __x) : __t(__x), current(__x) {} 528 template <class _Up> _LIBCPP_INLINE_VISIBILITY reverse_iterator(const reverse_iterator<_Up>& __u) 529 : __t(__u.base()), current(__u.base()) {} 530 _LIBCPP_INLINE_VISIBILITY _Iter base() const {return current;} 531 _LIBCPP_INLINE_VISIBILITY reference operator*() const {__t = current; return *--__t;} 532 _LIBCPP_INLINE_VISIBILITY pointer operator->() const {return &(operator*());} 533 _LIBCPP_INLINE_VISIBILITY reverse_iterator& operator++() {--current; return *this;} 534 _LIBCPP_INLINE_VISIBILITY reverse_iterator operator++(int) 535 {reverse_iterator __tmp(*this); --current; return __tmp;} 536 _LIBCPP_INLINE_VISIBILITY reverse_iterator& operator--() {++current; return *this;} 537 _LIBCPP_INLINE_VISIBILITY reverse_iterator operator--(int) 538 {reverse_iterator __tmp(*this); ++current; return __tmp;} 539 _LIBCPP_INLINE_VISIBILITY reverse_iterator operator+ (difference_type __n) const 540 {return reverse_iterator(current - __n);} 541 _LIBCPP_INLINE_VISIBILITY reverse_iterator& operator+=(difference_type __n) 542 {current -= __n; return *this;} 543 _LIBCPP_INLINE_VISIBILITY reverse_iterator operator- (difference_type __n) const 544 {return reverse_iterator(current + __n);} 545 _LIBCPP_INLINE_VISIBILITY reverse_iterator& operator-=(difference_type __n) 546 {current += __n; return *this;} 547 _LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const 548 {return current[-__n-1];} 549}; 550 551template <class _Iter1, class _Iter2> 552inline _LIBCPP_INLINE_VISIBILITY 553bool 554operator==(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y) 555{ 556 return __x.base() == __y.base(); 557} 558 559template <class _Iter1, class _Iter2> 560inline _LIBCPP_INLINE_VISIBILITY 561bool 562operator<(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y) 563{ 564 return __x.base() > __y.base(); 565} 566 567template <class _Iter1, class _Iter2> 568inline _LIBCPP_INLINE_VISIBILITY 569bool 570operator!=(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y) 571{ 572 return __x.base() != __y.base(); 573} 574 575template <class _Iter1, class _Iter2> 576inline _LIBCPP_INLINE_VISIBILITY 577bool 578operator>(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y) 579{ 580 return __x.base() < __y.base(); 581} 582 583template <class _Iter1, class _Iter2> 584inline _LIBCPP_INLINE_VISIBILITY 585bool 586operator>=(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y) 587{ 588 return __x.base() <= __y.base(); 589} 590 591template <class _Iter1, class _Iter2> 592inline _LIBCPP_INLINE_VISIBILITY 593bool 594operator<=(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y) 595{ 596 return __x.base() >= __y.base(); 597} 598 599template <class _Iter1, class _Iter2> 600inline _LIBCPP_INLINE_VISIBILITY 601typename reverse_iterator<_Iter1>::difference_type 602operator-(const reverse_iterator<_Iter1>& __x, const reverse_iterator<_Iter2>& __y) 603{ 604 return __y.base() - __x.base(); 605} 606 607template <class _Iter> 608inline _LIBCPP_INLINE_VISIBILITY 609reverse_iterator<_Iter> 610operator+(typename reverse_iterator<_Iter>::difference_type __n, const reverse_iterator<_Iter>& __x) 611{ 612 return reverse_iterator<_Iter>(__x.base() - __n); 613} 614 615template <class _Container> 616class _LIBCPP_VISIBLE back_insert_iterator 617 : public iterator<output_iterator_tag, 618 void, 619 void, 620 void, 621 back_insert_iterator<_Container>&> 622{ 623protected: 624 _Container* container; 625public: 626 typedef _Container container_type; 627 628 _LIBCPP_INLINE_VISIBILITY explicit back_insert_iterator(_Container& __x) : container(&__x) {} 629 _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator=(const typename _Container::value_type& __value_) 630 {container->push_back(__value_); return *this;} 631#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 632 _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator=(typename _Container::value_type&& __value_) 633 {container->push_back(_VSTD::move(__value_)); return *this;} 634#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 635 _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator*() {return *this;} 636 _LIBCPP_INLINE_VISIBILITY back_insert_iterator& operator++() {return *this;} 637 _LIBCPP_INLINE_VISIBILITY back_insert_iterator operator++(int) {return *this;} 638}; 639 640template <class _Container> 641inline _LIBCPP_INLINE_VISIBILITY 642back_insert_iterator<_Container> 643back_inserter(_Container& __x) 644{ 645 return back_insert_iterator<_Container>(__x); 646} 647 648template <class _Container> 649class _LIBCPP_VISIBLE front_insert_iterator 650 : public iterator<output_iterator_tag, 651 void, 652 void, 653 void, 654 front_insert_iterator<_Container>&> 655{ 656protected: 657 _Container* container; 658public: 659 typedef _Container container_type; 660 661 _LIBCPP_INLINE_VISIBILITY explicit front_insert_iterator(_Container& __x) : container(&__x) {} 662 _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator=(const typename _Container::value_type& __value_) 663 {container->push_front(__value_); return *this;} 664#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 665 _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator=(typename _Container::value_type&& __value_) 666 {container->push_front(_VSTD::move(__value_)); return *this;} 667#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 668 _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator*() {return *this;} 669 _LIBCPP_INLINE_VISIBILITY front_insert_iterator& operator++() {return *this;} 670 _LIBCPP_INLINE_VISIBILITY front_insert_iterator operator++(int) {return *this;} 671}; 672 673template <class _Container> 674inline _LIBCPP_INLINE_VISIBILITY 675front_insert_iterator<_Container> 676front_inserter(_Container& __x) 677{ 678 return front_insert_iterator<_Container>(__x); 679} 680 681template <class _Container> 682class _LIBCPP_VISIBLE insert_iterator 683 : public iterator<output_iterator_tag, 684 void, 685 void, 686 void, 687 insert_iterator<_Container>&> 688{ 689protected: 690 _Container* container; 691 typename _Container::iterator iter; 692public: 693 typedef _Container container_type; 694 695 _LIBCPP_INLINE_VISIBILITY insert_iterator(_Container& __x, typename _Container::iterator __i) 696 : container(&__x), iter(__i) {} 697 _LIBCPP_INLINE_VISIBILITY insert_iterator& operator=(const typename _Container::value_type& __value_) 698 {iter = container->insert(iter, __value_); ++iter; return *this;} 699#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 700 _LIBCPP_INLINE_VISIBILITY insert_iterator& operator=(typename _Container::value_type&& __value_) 701 {iter = container->insert(iter, _VSTD::move(__value_)); ++iter; return *this;} 702#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES 703 _LIBCPP_INLINE_VISIBILITY insert_iterator& operator*() {return *this;} 704 _LIBCPP_INLINE_VISIBILITY insert_iterator& operator++() {return *this;} 705 _LIBCPP_INLINE_VISIBILITY insert_iterator& operator++(int) {return *this;} 706}; 707 708template <class _Container> 709inline _LIBCPP_INLINE_VISIBILITY 710insert_iterator<_Container> 711inserter(_Container& __x, typename _Container::iterator __i) 712{ 713 return insert_iterator<_Container>(__x, __i); 714} 715 716template <class _Tp, class _CharT = char, 717 class _Traits = char_traits<_CharT>, class _Distance = ptrdiff_t> 718class _LIBCPP_VISIBLE istream_iterator 719 : public iterator<input_iterator_tag, _Tp, _Distance, const _Tp*, const _Tp&> 720{ 721public: 722 typedef _CharT char_type; 723 typedef _Traits traits_type; 724 typedef basic_istream<_CharT,_Traits> istream_type; 725private: 726 istream_type* __in_stream_; 727 _Tp __value_; 728public: 729 _LIBCPP_INLINE_VISIBILITY istream_iterator() : __in_stream_(0) {} 730 _LIBCPP_INLINE_VISIBILITY istream_iterator(istream_type& __s) : __in_stream_(&__s) 731 { 732 if (!(*__in_stream_ >> __value_)) 733 __in_stream_ = 0; 734 } 735 736 _LIBCPP_INLINE_VISIBILITY const _Tp& operator*() const {return __value_;} 737 _LIBCPP_INLINE_VISIBILITY const _Tp* operator->() const {return &(operator*());} 738 _LIBCPP_INLINE_VISIBILITY istream_iterator& operator++() 739 { 740 if (!(*__in_stream_ >> __value_)) 741 __in_stream_ = 0; 742 return *this; 743 } 744 _LIBCPP_INLINE_VISIBILITY istream_iterator operator++(int) 745 {istream_iterator __t(*this); ++(*this); return __t;} 746 747 friend _LIBCPP_INLINE_VISIBILITY 748 bool operator==(const istream_iterator& __x, const istream_iterator& __y) 749 {return __x.__in_stream_ == __y.__in_stream_;} 750 751 friend _LIBCPP_INLINE_VISIBILITY 752 bool operator!=(const istream_iterator& __x, const istream_iterator& __y) 753 {return !(__x == __y);} 754}; 755 756template <class _Tp, class _CharT = char, class _Traits = char_traits<_CharT> > 757class _LIBCPP_VISIBLE ostream_iterator 758 : public iterator<output_iterator_tag, void, void, void, void> 759{ 760public: 761 typedef _CharT char_type; 762 typedef _Traits traits_type; 763 typedef basic_ostream<_CharT,_Traits> ostream_type; 764private: 765 ostream_type* __out_stream_; 766 const char_type* __delim_; 767public: 768 _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s) 769 : __out_stream_(&__s), __delim_(0) {} 770 _LIBCPP_INLINE_VISIBILITY ostream_iterator(ostream_type& __s, const _CharT* __delimiter) 771 : __out_stream_(&__s), __delim_(__delimiter) {} 772 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator=(const _Tp& __value_) 773 { 774 *__out_stream_ << __value_; 775 if (__delim_) 776 *__out_stream_ << __delim_; 777 return *this; 778 } 779 780 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator*() {return *this;} 781 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++() {return *this;} 782 _LIBCPP_INLINE_VISIBILITY ostream_iterator& operator++(int) {return *this;} 783}; 784 785template<class _CharT, class _Traits> 786class _LIBCPP_VISIBLE istreambuf_iterator 787 : public iterator<input_iterator_tag, _CharT, 788 typename _Traits::off_type, _CharT*, 789 _CharT> 790{ 791public: 792 typedef _CharT char_type; 793 typedef _Traits traits_type; 794 typedef typename _Traits::int_type int_type; 795 typedef basic_streambuf<_CharT,_Traits> streambuf_type; 796 typedef basic_istream<_CharT,_Traits> istream_type; 797private: 798 streambuf_type* __sbuf_; 799 800 class __proxy 801 { 802 char_type __keep_; 803 streambuf_type* __sbuf_; 804 _LIBCPP_INLINE_VISIBILITY __proxy(char_type __c, streambuf_type* __s) 805 : __keep_(__c), __sbuf_(__s) {} 806 friend class istreambuf_iterator; 807 public: 808 _LIBCPP_INLINE_VISIBILITY char_type operator*() const {return __keep_;} 809 }; 810 811 _LIBCPP_INLINE_VISIBILITY 812 void __test_for_eof() 813 { 814 if (__sbuf_ && traits_type::eq_int_type(__sbuf_->sgetc(), traits_type::eof())) 815 __sbuf_ = 0; 816 } 817public: 818 _LIBCPP_INLINE_VISIBILITY istreambuf_iterator() _NOEXCEPT : __sbuf_(0) {} 819 _LIBCPP_INLINE_VISIBILITY istreambuf_iterator(istream_type& __s) _NOEXCEPT 820 : __sbuf_(__s.rdbuf()) {__test_for_eof();} 821 _LIBCPP_INLINE_VISIBILITY istreambuf_iterator(streambuf_type* __s) _NOEXCEPT 822 : __sbuf_(__s) {__test_for_eof();} 823 _LIBCPP_INLINE_VISIBILITY istreambuf_iterator(const __proxy& __p) _NOEXCEPT 824 : __sbuf_(__p.__sbuf_) {} 825 826 _LIBCPP_INLINE_VISIBILITY char_type operator*() const 827 {return static_cast<char_type>(__sbuf_->sgetc());} 828 _LIBCPP_INLINE_VISIBILITY char_type* operator->() const {return nullptr;} 829 _LIBCPP_INLINE_VISIBILITY istreambuf_iterator& operator++() 830 { 831 if (traits_type::eq_int_type(__sbuf_->snextc(), traits_type::eof())) 832 __sbuf_ = 0; 833 return *this; 834 } 835 _LIBCPP_INLINE_VISIBILITY __proxy operator++(int) 836 { 837 char_type __c = __sbuf_->sgetc(); 838 ++(*this); 839 return __proxy(__c, __sbuf_); 840 } 841 842 _LIBCPP_INLINE_VISIBILITY bool equal(const istreambuf_iterator& __b) const 843 {return (__sbuf_ == 0) == (__b.__sbuf_ == 0);} 844}; 845 846template <class _CharT, class _Traits> 847inline _LIBCPP_INLINE_VISIBILITY 848bool operator==(const istreambuf_iterator<_CharT,_Traits>& __a, 849 const istreambuf_iterator<_CharT,_Traits>& __b) 850 {return __a.equal(__b);} 851 852template <class _CharT, class _Traits> 853inline _LIBCPP_INLINE_VISIBILITY 854bool operator!=(const istreambuf_iterator<_CharT,_Traits>& __a, 855 const istreambuf_iterator<_CharT,_Traits>& __b) 856 {return !__a.equal(__b);} 857 858template <class _CharT, class _Traits> 859class _LIBCPP_VISIBLE ostreambuf_iterator 860 : public iterator<output_iterator_tag, void, void, void, void> 861{ 862public: 863 typedef _CharT char_type; 864 typedef _Traits traits_type; 865 typedef basic_streambuf<_CharT,_Traits> streambuf_type; 866 typedef basic_ostream<_CharT,_Traits> ostream_type; 867private: 868 streambuf_type* __sbuf_; 869public: 870 _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator(ostream_type& __s) _NOEXCEPT 871 : __sbuf_(__s.rdbuf()) {} 872 _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator(streambuf_type* __s) _NOEXCEPT 873 : __sbuf_(__s) {} 874 _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator=(_CharT __c) 875 { 876 if (__sbuf_ && traits_type::eq_int_type(__sbuf_->sputc(__c), traits_type::eof())) 877 __sbuf_ = 0; 878 return *this; 879 } 880 _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator*() {return *this;} 881 _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator++() {return *this;} 882 _LIBCPP_INLINE_VISIBILITY ostreambuf_iterator& operator++(int) {return *this;} 883 _LIBCPP_INLINE_VISIBILITY bool failed() const _NOEXCEPT {return __sbuf_ == 0;} 884}; 885 886template <class _Iter> 887class _LIBCPP_VISIBLE move_iterator 888{ 889private: 890 _Iter __i; 891public: 892 typedef _Iter iterator_type; 893 typedef typename iterator_traits<iterator_type>::iterator_category iterator_category; 894 typedef typename iterator_traits<iterator_type>::value_type value_type; 895 typedef typename iterator_traits<iterator_type>::difference_type difference_type; 896 typedef typename iterator_traits<iterator_type>::pointer pointer; 897#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES 898 typedef value_type&& reference; 899#else 900 typedef typename iterator_traits<iterator_type>::reference reference; 901#endif 902 903 _LIBCPP_INLINE_VISIBILITY move_iterator() : __i() {} 904 _LIBCPP_INLINE_VISIBILITY explicit move_iterator(_Iter __x) : __i(__x) {} 905 template <class _Up> _LIBCPP_INLINE_VISIBILITY move_iterator(const move_iterator<_Up>& __u) 906 : __i(__u.base()) {} 907 _LIBCPP_INLINE_VISIBILITY _Iter base() const {return __i;} 908 _LIBCPP_INLINE_VISIBILITY reference operator*() const { 909 return static_cast<reference>(*__i); 910 } 911 _LIBCPP_INLINE_VISIBILITY pointer operator->() const { 912 typename iterator_traits<iterator_type>::reference __ref = *__i; 913 return &__ref; 914 } 915 _LIBCPP_INLINE_VISIBILITY move_iterator& operator++() {++__i; return *this;} 916 _LIBCPP_INLINE_VISIBILITY move_iterator operator++(int) 917 {move_iterator __tmp(*this); ++__i; return __tmp;} 918 _LIBCPP_INLINE_VISIBILITY move_iterator& operator--() {--__i; return *this;} 919 _LIBCPP_INLINE_VISIBILITY move_iterator operator--(int) 920 {move_iterator __tmp(*this); --__i; return __tmp;} 921 _LIBCPP_INLINE_VISIBILITY move_iterator operator+ (difference_type __n) const 922 {return move_iterator(__i + __n);} 923 _LIBCPP_INLINE_VISIBILITY move_iterator& operator+=(difference_type __n) 924 {__i += __n; return *this;} 925 _LIBCPP_INLINE_VISIBILITY move_iterator operator- (difference_type __n) const 926 {return move_iterator(__i - __n);} 927 _LIBCPP_INLINE_VISIBILITY move_iterator& operator-=(difference_type __n) 928 {__i -= __n; return *this;} 929 _LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const 930 { 931 return static_cast<reference>(__i[__n]); 932 } 933}; 934 935template <class _Iter1, class _Iter2> 936inline _LIBCPP_INLINE_VISIBILITY 937bool 938operator==(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) 939{ 940 return __x.base() == __y.base(); 941} 942 943template <class _Iter1, class _Iter2> 944inline _LIBCPP_INLINE_VISIBILITY 945bool 946operator<(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) 947{ 948 return __x.base() < __y.base(); 949} 950 951template <class _Iter1, class _Iter2> 952inline _LIBCPP_INLINE_VISIBILITY 953bool 954operator!=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) 955{ 956 return __x.base() != __y.base(); 957} 958 959template <class _Iter1, class _Iter2> 960inline _LIBCPP_INLINE_VISIBILITY 961bool 962operator>(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) 963{ 964 return __x.base() > __y.base(); 965} 966 967template <class _Iter1, class _Iter2> 968inline _LIBCPP_INLINE_VISIBILITY 969bool 970operator>=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) 971{ 972 return __x.base() >= __y.base(); 973} 974 975template <class _Iter1, class _Iter2> 976inline _LIBCPP_INLINE_VISIBILITY 977bool 978operator<=(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) 979{ 980 return __x.base() <= __y.base(); 981} 982 983template <class _Iter1, class _Iter2> 984inline _LIBCPP_INLINE_VISIBILITY 985typename move_iterator<_Iter1>::difference_type 986operator-(const move_iterator<_Iter1>& __x, const move_iterator<_Iter2>& __y) 987{ 988 return __x.base() - __y.base(); 989} 990 991template <class _Iter> 992inline _LIBCPP_INLINE_VISIBILITY 993move_iterator<_Iter> 994operator+(typename move_iterator<_Iter>::difference_type __n, const move_iterator<_Iter>& __x) 995{ 996 return move_iterator<_Iter>(__x.base() + __n); 997} 998 999template <class _Iter> 1000inline _LIBCPP_INLINE_VISIBILITY 1001move_iterator<_Iter> 1002make_move_iterator(const _Iter& __i) 1003{ 1004 return move_iterator<_Iter>(__i); 1005} 1006 1007// __wrap_iter 1008 1009template <class _Iter> class __wrap_iter; 1010 1011template <class _Iter1, class _Iter2> 1012_LIBCPP_INLINE_VISIBILITY 1013bool 1014operator==(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1015 1016template <class _Iter1, class _Iter2> 1017_LIBCPP_INLINE_VISIBILITY 1018bool 1019operator<(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1020 1021template <class _Iter1, class _Iter2> 1022_LIBCPP_INLINE_VISIBILITY 1023bool 1024operator!=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1025 1026template <class _Iter1, class _Iter2> 1027_LIBCPP_INLINE_VISIBILITY 1028bool 1029operator>(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1030 1031template <class _Iter1, class _Iter2> 1032_LIBCPP_INLINE_VISIBILITY 1033bool 1034operator>=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1035 1036template <class _Iter1, class _Iter2> 1037_LIBCPP_INLINE_VISIBILITY 1038bool 1039operator<=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1040 1041template <class _Iter1, class _Iter2> 1042_LIBCPP_INLINE_VISIBILITY 1043typename __wrap_iter<_Iter1>::difference_type 1044operator-(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1045 1046template <class _Iter> 1047_LIBCPP_INLINE_VISIBILITY 1048__wrap_iter<_Iter> 1049operator+(typename __wrap_iter<_Iter>::difference_type, __wrap_iter<_Iter>) _NOEXCEPT; 1050 1051template <class _Ip, class _Op> _Op _LIBCPP_INLINE_VISIBILITY copy(_Ip, _Ip, _Op); 1052template <class _B1, class _B2> _B2 _LIBCPP_INLINE_VISIBILITY copy_backward(_B1, _B1, _B2); 1053template <class _Ip, class _Op> _Op _LIBCPP_INLINE_VISIBILITY move(_Ip, _Ip, _Op); 1054template <class _B1, class _B2> _B2 _LIBCPP_INLINE_VISIBILITY move_backward(_B1, _B1, _B2); 1055 1056template <class _Tp> 1057_LIBCPP_INLINE_VISIBILITY 1058typename enable_if 1059< 1060 is_trivially_copy_assignable<_Tp>::value, 1061 _Tp* 1062>::type 1063__unwrap_iter(__wrap_iter<_Tp*>); 1064 1065template <class _Iter> 1066class __wrap_iter 1067{ 1068public: 1069 typedef _Iter iterator_type; 1070 typedef typename iterator_traits<iterator_type>::iterator_category iterator_category; 1071 typedef typename iterator_traits<iterator_type>::value_type value_type; 1072 typedef typename iterator_traits<iterator_type>::difference_type difference_type; 1073 typedef typename iterator_traits<iterator_type>::pointer pointer; 1074 typedef typename iterator_traits<iterator_type>::reference reference; 1075private: 1076 iterator_type __i; 1077public: 1078 _LIBCPP_INLINE_VISIBILITY __wrap_iter() _NOEXCEPT 1079 { 1080#if _LIBCPP_DEBUG_LEVEL >= 2 1081 __get_db()->__insert_i(this); 1082#endif 1083 } 1084 template <class _Up> _LIBCPP_INLINE_VISIBILITY __wrap_iter(const __wrap_iter<_Up>& __u, 1085 typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = 0) _NOEXCEPT 1086 : __i(__u.base()) 1087 { 1088#if _LIBCPP_DEBUG_LEVEL >= 2 1089 __get_db()->__iterator_copy(this, &__u); 1090#endif 1091 } 1092#if _LIBCPP_DEBUG_LEVEL >= 2 1093 _LIBCPP_INLINE_VISIBILITY 1094 __wrap_iter(const __wrap_iter& __x) 1095 : __i(__x.base()) 1096 { 1097 __get_db()->__iterator_copy(this, &__x); 1098 } 1099 _LIBCPP_INLINE_VISIBILITY 1100 __wrap_iter& operator=(const __wrap_iter& __x) 1101 { 1102 if (this != &__x) 1103 { 1104 __get_db()->__iterator_copy(this, &__x); 1105 __i = __x.__i; 1106 } 1107 return *this; 1108 } 1109 _LIBCPP_INLINE_VISIBILITY 1110 ~__wrap_iter() 1111 { 1112 __get_db()->__erase_i(this); 1113 } 1114#endif 1115 _LIBCPP_INLINE_VISIBILITY reference operator*() const _NOEXCEPT 1116 { 1117#if _LIBCPP_DEBUG_LEVEL >= 2 1118 _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), 1119 "Attempted to dereference a non-dereferenceable iterator"); 1120#endif 1121 return *__i; 1122 } 1123 _LIBCPP_INLINE_VISIBILITY pointer operator->() const _NOEXCEPT {return &(operator*());} 1124 _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator++() _NOEXCEPT 1125 { 1126#if _LIBCPP_DEBUG_LEVEL >= 2 1127 _LIBCPP_ASSERT(__get_const_db()->__dereferenceable(this), 1128 "Attempted to increment non-incrementable iterator"); 1129#endif 1130 ++__i; 1131 return *this; 1132 } 1133 _LIBCPP_INLINE_VISIBILITY __wrap_iter operator++(int) _NOEXCEPT 1134 {__wrap_iter __tmp(*this); ++(*this); return __tmp;} 1135 _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator--() _NOEXCEPT 1136 { 1137#if _LIBCPP_DEBUG_LEVEL >= 2 1138 _LIBCPP_ASSERT(__get_const_db()->__decrementable(this), 1139 "Attempted to decrement non-decrementable iterator"); 1140#endif 1141 --__i; 1142 return *this; 1143 } 1144 _LIBCPP_INLINE_VISIBILITY __wrap_iter operator--(int) _NOEXCEPT 1145 {__wrap_iter __tmp(*this); --(*this); return __tmp;} 1146 _LIBCPP_INLINE_VISIBILITY __wrap_iter operator+ (difference_type __n) const _NOEXCEPT 1147 {__wrap_iter __w(*this); __w += __n; return __w;} 1148 _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator+=(difference_type __n) _NOEXCEPT 1149 { 1150#if _LIBCPP_DEBUG_LEVEL >= 2 1151 _LIBCPP_ASSERT(__get_const_db()->__addable(this, __n), 1152 "Attempted to add/subtract iterator outside of valid range"); 1153#endif 1154 __i += __n; 1155 return *this; 1156 } 1157 _LIBCPP_INLINE_VISIBILITY __wrap_iter operator- (difference_type __n) const _NOEXCEPT 1158 {return *this + (-__n);} 1159 _LIBCPP_INLINE_VISIBILITY __wrap_iter& operator-=(difference_type __n) _NOEXCEPT 1160 {*this += -__n; return *this;} 1161 _LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const _NOEXCEPT 1162 { 1163#if _LIBCPP_DEBUG_LEVEL >= 2 1164 _LIBCPP_ASSERT(__get_const_db()->__subscriptable(this, __n), 1165 "Attempted to subscript iterator outside of valid range"); 1166#endif 1167 return __i[__n]; 1168 } 1169 1170 _LIBCPP_INLINE_VISIBILITY iterator_type base() const _NOEXCEPT {return __i;} 1171 1172private: 1173 _LIBCPP_INLINE_VISIBILITY __wrap_iter(iterator_type __x) _NOEXCEPT : __i(__x) {} 1174#if _LIBCPP_DEBUG_LEVEL >= 2 1175 _LIBCPP_INLINE_VISIBILITY __wrap_iter(const void* __p, iterator_type __x) : __i(__x) 1176 { 1177 __get_db()->__insert_ic(this, __p); 1178 } 1179#endif 1180 1181 template <class _Up> friend class __wrap_iter; 1182 template <class _CharT, class _Traits, class _Alloc> friend class basic_string; 1183 template <class _Tp, class _Alloc> friend class vector; 1184 1185 template <class _Iter1, class _Iter2> 1186 friend 1187 bool 1188 operator==(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1189 1190 template <class _Iter1, class _Iter2> 1191 friend 1192 bool 1193 operator<(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1194 1195 template <class _Iter1, class _Iter2> 1196 friend 1197 bool 1198 operator!=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1199 1200 template <class _Iter1, class _Iter2> 1201 friend 1202 bool 1203 operator>(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1204 1205 template <class _Iter1, class _Iter2> 1206 friend 1207 bool 1208 operator>=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1209 1210 template <class _Iter1, class _Iter2> 1211 friend 1212 bool 1213 operator<=(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1214 1215 template <class _Iter1, class _Iter2> 1216 friend 1217 typename __wrap_iter<_Iter1>::difference_type 1218 operator-(const __wrap_iter<_Iter1>&, const __wrap_iter<_Iter2>&) _NOEXCEPT; 1219 1220 template <class _Iter1> 1221 friend 1222 __wrap_iter<_Iter1> 1223 operator+(typename __wrap_iter<_Iter1>::difference_type, __wrap_iter<_Iter1>) _NOEXCEPT; 1224 1225 template <class _Ip, class _Op> friend _Op copy(_Ip, _Ip, _Op); 1226 template <class _B1, class _B2> friend _B2 copy_backward(_B1, _B1, _B2); 1227 template <class _Ip, class _Op> friend _Op move(_Ip, _Ip, _Op); 1228 template <class _B1, class _B2> friend _B2 move_backward(_B1, _B1, _B2); 1229 1230 template <class _Tp> 1231 friend 1232 typename enable_if 1233 < 1234 is_trivially_copy_assignable<_Tp>::value, 1235 _Tp* 1236 >::type 1237 __unwrap_iter(__wrap_iter<_Tp*>); 1238}; 1239 1240template <class _Iter1, class _Iter2> 1241inline _LIBCPP_INLINE_VISIBILITY 1242bool 1243operator==(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT 1244{ 1245#if _LIBCPP_DEBUG_LEVEL >= 2 1246 _LIBCPP_ASSERT(__get_const_db()->__comparable(&__x, &__y), 1247 "Attempted to compare incomparable iterators"); 1248#endif 1249 return __x.base() == __y.base(); 1250} 1251 1252template <class _Iter1, class _Iter2> 1253inline _LIBCPP_INLINE_VISIBILITY 1254bool 1255operator<(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT 1256{ 1257#if _LIBCPP_DEBUG_LEVEL >= 2 1258 _LIBCPP_ASSERT(__get_const_db()->__comparable(&__x, &__y), 1259 "Attempted to compare incomparable iterators"); 1260#endif 1261 return __x.base() < __y.base(); 1262} 1263 1264template <class _Iter1, class _Iter2> 1265inline _LIBCPP_INLINE_VISIBILITY 1266bool 1267operator!=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT 1268{ 1269 return !(__x == __y); 1270} 1271 1272template <class _Iter1, class _Iter2> 1273inline _LIBCPP_INLINE_VISIBILITY 1274bool 1275operator>(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT 1276{ 1277 return __y < __x; 1278} 1279 1280template <class _Iter1, class _Iter2> 1281inline _LIBCPP_INLINE_VISIBILITY 1282bool 1283operator>=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT 1284{ 1285 return !(__x < __y); 1286} 1287 1288template <class _Iter1, class _Iter2> 1289inline _LIBCPP_INLINE_VISIBILITY 1290bool 1291operator<=(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT 1292{ 1293 return !(__y < __x); 1294} 1295 1296template <class _Iter1, class _Iter2> 1297inline _LIBCPP_INLINE_VISIBILITY 1298typename __wrap_iter<_Iter1>::difference_type 1299operator-(const __wrap_iter<_Iter1>& __x, const __wrap_iter<_Iter2>& __y) _NOEXCEPT 1300{ 1301#if _LIBCPP_DEBUG_LEVEL >= 2 1302 _LIBCPP_ASSERT(__get_const_db()->__comparable(&__x, &__y), 1303 "Attempted to subtract incompatible iterators"); 1304#endif 1305 return __x.base() - __y.base(); 1306} 1307 1308template <class _Iter> 1309inline _LIBCPP_INLINE_VISIBILITY 1310__wrap_iter<_Iter> 1311operator+(typename __wrap_iter<_Iter>::difference_type __n, 1312 __wrap_iter<_Iter> __x) _NOEXCEPT 1313{ 1314 __x += __n; 1315 return __x; 1316} 1317 1318#ifdef _LIBCPP_DEBUG 1319 1320// __debug_iter 1321 1322template <class _Container, class _Iter> class __debug_iter; 1323 1324template <class _Container, class _Iter1, class _Iter2> 1325_LIBCPP_INLINE_VISIBILITY 1326bool 1327operator==(const __debug_iter<_Container, _Iter1>&, const __debug_iter<_Container, _Iter2>&); 1328 1329template <class _Container, class _Iter1, class _Iter2> 1330_LIBCPP_INLINE_VISIBILITY 1331bool 1332operator<(const __debug_iter<_Container, _Iter1>&, const __debug_iter<_Container, _Iter2>&); 1333 1334template <class _Container, class _Iter1, class _Iter2> 1335_LIBCPP_INLINE_VISIBILITY 1336bool 1337operator!=(const __debug_iter<_Container, _Iter1>&, const __debug_iter<_Container, _Iter2>&); 1338 1339template <class _Container, class _Iter1, class _Iter2> 1340_LIBCPP_INLINE_VISIBILITY 1341bool 1342operator>(const __debug_iter<_Container, _Iter1>&, const __debug_iter<_Container, _Iter2>&); 1343 1344template <class _Container, class _Iter1, class _Iter2> 1345_LIBCPP_INLINE_VISIBILITY 1346bool 1347operator>=(const __debug_iter<_Container, _Iter1>&, const __debug_iter<_Container, _Iter2>&); 1348 1349template <class _Container, class _Iter1, class _Iter2> 1350_LIBCPP_INLINE_VISIBILITY 1351bool 1352operator<=(const __debug_iter<_Container, _Iter1>&, const __debug_iter<_Container, _Iter2>&); 1353 1354template <class _Container, class _Iter1, class _Iter2> 1355_LIBCPP_INLINE_VISIBILITY 1356typename __debug_iter<_Container, _Iter1>::difference_type 1357operator-(const __debug_iter<_Container, _Iter1>&, const __debug_iter<_Container, _Iter2>&); 1358 1359template <class _Container, class _Iter> 1360_LIBCPP_INLINE_VISIBILITY 1361__debug_iter<_Container, _Iter> 1362operator+(typename __debug_iter<_Container, _Iter>::difference_type, const __debug_iter<_Container, _Iter>&); 1363 1364template <class _Container, class _Iter> 1365class __debug_iter 1366{ 1367public: 1368 typedef _Iter iterator_type; 1369 typedef _Container __container_type; 1370 typedef typename iterator_traits<iterator_type>::iterator_category iterator_category; 1371 typedef typename iterator_traits<iterator_type>::value_type value_type; 1372 typedef typename iterator_traits<iterator_type>::difference_type difference_type; 1373 typedef typename iterator_traits<iterator_type>::pointer pointer; 1374 typedef typename iterator_traits<iterator_type>::reference reference; 1375private: 1376 iterator_type __i; 1377 __debug_iter* __next; 1378 __container_type* __cont; 1379 1380public: 1381 _LIBCPP_INLINE_VISIBILITY __debug_iter() : __next(0), __cont(0) {} 1382 _LIBCPP_INLINE_VISIBILITY __debug_iter(const __debug_iter& __x) 1383 : __i(__x.base()), __next(0), __cont(0) {__set_owner(__x.__cont);} 1384 __debug_iter& operator=(const __debug_iter& __x); 1385 template <class _Up> _LIBCPP_INLINE_VISIBILITY __debug_iter(const __debug_iter<_Container, _Up>& __u, 1386 typename enable_if<is_convertible<_Up, iterator_type>::value>::type* = 0) 1387 : __i(__u.base()), __next(0), __cont(0) {__set_owner(__u.__cont);} 1388 _LIBCPP_INLINE_VISIBILITY ~__debug_iter() {__remove_owner();} 1389 _LIBCPP_INLINE_VISIBILITY reference operator*() const {assert(__is_deref()); return *__i;} 1390 _LIBCPP_INLINE_VISIBILITY pointer operator->() const {return &(operator*());} 1391 _LIBCPP_INLINE_VISIBILITY __debug_iter& operator++() {assert(__can_increment()); ++__i; return *this;} 1392 _LIBCPP_INLINE_VISIBILITY __debug_iter operator++(int) 1393 {__debug_iter __tmp(*this); operator++(); return __tmp;} 1394 _LIBCPP_INLINE_VISIBILITY __debug_iter& operator--() {assert(__can_decrement()); --__i; return *this;} 1395 _LIBCPP_INLINE_VISIBILITY __debug_iter operator--(int) 1396 {__debug_iter __tmp(*this); operator--(); return __tmp;} 1397 _LIBCPP_INLINE_VISIBILITY __debug_iter operator+ (difference_type __n) const 1398 {__debug_iter __t(*this); __t += __n; return __t;} 1399 __debug_iter& operator+=(difference_type __n); 1400 _LIBCPP_INLINE_VISIBILITY __debug_iter operator- (difference_type __n) const 1401 {__debug_iter __t(*this); __t -= __n; return __t;} 1402 _LIBCPP_INLINE_VISIBILITY __debug_iter& operator-=(difference_type __n) 1403 {*this += -__n; return *this;} 1404 _LIBCPP_INLINE_VISIBILITY reference operator[](difference_type __n) const 1405 {return *(*this + __n);} 1406 1407private: 1408 _LIBCPP_INLINE_VISIBILITY __debug_iter(const __container_type* __c, iterator_type __x) 1409 : __i(__x), __next(0), __cont(0) {__set_owner(__c);} 1410 _LIBCPP_INLINE_VISIBILITY iterator_type base() const {return __i;} 1411 1412 void __set_owner(const __container_type* __c); 1413 void __remove_owner(); 1414 static void __remove_all(__container_type* __c); 1415 static void swap(__container_type* __x, __container_type* __y); 1416 1417 _LIBCPP_INLINE_VISIBILITY bool __is_deref() const 1418 {return __is_deref(__is_random_access_iterator<iterator_type>());} 1419 bool __is_deref(false_type) const; 1420 bool __is_deref(true_type) const; 1421 _LIBCPP_INLINE_VISIBILITY bool __can_decrement() const 1422 {return __can_decrement(integral_constant<int, is_pointer<iterator_type>::value ? 2: 1423 __is_random_access_iterator<iterator_type>::value ? 1 : 0>());} 1424 bool __can_decrement(integral_constant<int, 0>) const; 1425 bool __can_decrement(integral_constant<int, 1>) const; 1426 bool __can_decrement(integral_constant<int, 2>) const; 1427 _LIBCPP_INLINE_VISIBILITY bool __can_increment() const 1428 {return __can_increment(integral_constant<int, is_pointer<iterator_type>::value ? 2: 1429 __is_random_access_iterator<iterator_type>::value ? 1 : 0>());} 1430 bool __can_increment(integral_constant<int, 0>) const; 1431 bool __can_increment(integral_constant<int, 1>) const; 1432 bool __can_increment(integral_constant<int, 2>) const; 1433 1434 _LIBCPP_INLINE_VISIBILITY bool __can_add(difference_type __n) const 1435 {return __can_add(__n, is_pointer<iterator_type>());} 1436 bool __can_add(difference_type __n, false_type) const; 1437 bool __can_add(difference_type __n, true_type) const; 1438 1439 template <class _Cp, class _Up> friend class __debug_iter; 1440 friend class _Container::__self; 1441 1442 template <class _Cp, class _Iter1, class _Iter2> 1443 friend 1444 bool 1445 operator==(const __debug_iter<_Cp, _Iter1>&, const __debug_iter<_Cp, _Iter2>&); 1446 1447 template <class _Cp, class _Iter1, class _Iter2> 1448 friend 1449 bool 1450 operator<(const __debug_iter<_Cp, _Iter1>&, const __debug_iter<_Cp, _Iter2>&); 1451 1452 template <class _Cp, class _Iter1, class _Iter2> 1453 friend 1454 bool 1455 operator!=(const __debug_iter<_Cp, _Iter1>&, const __debug_iter<_Cp, _Iter2>&); 1456 1457 template <class _Cp, class _Iter1, class _Iter2> 1458 friend 1459 bool 1460 operator>(const __debug_iter<_Cp, _Iter1>&, const __debug_iter<_Cp, _Iter2>&); 1461 1462 template <class _Cp, class _Iter1, class _Iter2> 1463 friend 1464 bool 1465 operator>=(const __debug_iter<_Cp, _Iter1>&, const __debug_iter<_Cp, _Iter2>&); 1466 1467 template <class _Cp, class _Iter1, class _Iter2> 1468 friend 1469 bool 1470 operator<=(const __debug_iter<_Cp, _Iter1>&, const __debug_iter<_Cp, _Iter2>&); 1471 1472 template <class _Cp, class _Iter1, class _Iter2> 1473 friend 1474 typename __debug_iter<_Cp, _Iter1>::difference_type 1475 operator-(const __debug_iter<_Cp, _Iter1>&, const __debug_iter<_Cp, _Iter2>&); 1476 1477 template <class _Cp, class _Iter1> 1478 friend 1479 __debug_iter<_Cp, _Iter1> 1480 operator+(typename __debug_iter<_Cp, _Iter1>::difference_type, const __debug_iter<_Cp, _Iter1>&); 1481}; 1482 1483template <class _Container, class _Iter> 1484__debug_iter<_Container, _Iter>& 1485__debug_iter<_Container, _Iter>::operator=(const __debug_iter& __x) 1486{ 1487 if (this != &__x) 1488 { 1489 __remove_owner(); 1490 __i = __x.__i; 1491 __set_owner(__x.__cont); 1492 } 1493 return *this; 1494} 1495 1496template <class _Container, class _Iter> 1497void 1498__debug_iter<_Container, _Iter>::__set_owner(const __container_type* __c) 1499{ 1500 __cont = const_cast<__container_type*>(__c); 1501 __debug_iter*& __head = __cont->__get_iterator_list(this); 1502 __next = __head; 1503 __head = this; 1504} 1505 1506template <class _Container, class _Iter> 1507void 1508__debug_iter<_Container, _Iter>::__remove_owner() 1509{ 1510 if (__cont) 1511 { 1512 __debug_iter*& __head = __cont->__get_iterator_list(this); 1513 if (__head == this) 1514 __head = __next; 1515 else 1516 { 1517 __debug_iter* __prev = __head; 1518 for (__debug_iter* __p = __head->__next; __p != this; __p = __p->__next) 1519 __prev = __p; 1520 __prev->__next = __next; 1521 } 1522 __cont = 0; 1523 } 1524} 1525 1526template <class _Container, class _Iter> 1527void 1528__debug_iter<_Container, _Iter>::__remove_all(__container_type* __c) 1529{ 1530 __debug_iter*& __head = __c->__get_iterator_list((__debug_iter*)0); 1531 __debug_iter* __p = __head; 1532 __head = 0; 1533 while (__p) 1534 { 1535 __p->__cont = 0; 1536 __debug_iter* __n = __p->__next; 1537 __p->__next = 0; 1538 __p = __n; 1539 } 1540} 1541 1542template <class _Container, class _Iter> 1543void 1544__debug_iter<_Container, _Iter>::swap(__container_type* __x, __container_type* __y) 1545{ 1546 __debug_iter*& __head_x = __x->__get_iterator_list((__debug_iter*)0); 1547 __debug_iter*& __head_y = __y->__get_iterator_list((__debug_iter*)0); 1548 __debug_iter* __p = __head_x; 1549 __head_x = __head_y; 1550 __head_y = __p; 1551 for (__p = __head_x; __p; __p = __p->__next) 1552 __p->__cont = __x; 1553 for (__p = __head_y; __p; __p = __p->__next) 1554 __p->__cont = __y; 1555} 1556 1557template <class _Container, class _Iter> 1558bool 1559__debug_iter<_Container, _Iter>::__is_deref(false_type) const 1560{ 1561 if (__cont == 0) 1562 return false; 1563 return __i != __cont->end().base(); 1564} 1565 1566template <class _Container, class _Iter> 1567bool 1568__debug_iter<_Container, _Iter>::__is_deref(true_type) const 1569{ 1570 if (__cont == 0) 1571 return false; 1572 return __i < __cont->end().base(); 1573} 1574 1575template <class _Container, class _Iter> 1576bool 1577__debug_iter<_Container, _Iter>::__can_decrement(integral_constant<int, 0>) const 1578{ 1579 if (__cont == 0) 1580 return false; 1581 return __i != __cont->begin().base(); 1582} 1583 1584template <class _Container, class _Iter> 1585bool 1586__debug_iter<_Container, _Iter>::__can_decrement(integral_constant<int, 1>) const 1587{ 1588 if (__cont == 0) 1589 return false; 1590 iterator_type __b = __cont->begin().base(); 1591 return __b < __i && __i <= __b + __cont->size(); 1592} 1593 1594template <class _Container, class _Iter> 1595bool 1596__debug_iter<_Container, _Iter>::__can_decrement(integral_constant<int, 2>) const 1597{ 1598 if (__cont == 0) 1599 return false; 1600 iterator_type __b = __cont->begin().base(); 1601 return __b < __i && __i <= __b + __cont->size(); 1602} 1603 1604template <class _Container, class _Iter> 1605bool 1606__debug_iter<_Container, _Iter>::__can_increment(integral_constant<int, 0>) const 1607{ 1608 if (__cont == 0) 1609 return false; 1610 return __i != __cont->end().base(); 1611} 1612 1613template <class _Container, class _Iter> 1614bool 1615__debug_iter<_Container, _Iter>::__can_increment(integral_constant<int, 1>) const 1616{ 1617 if (__cont == 0) 1618 return false; 1619 iterator_type __b = __cont->begin().base(); 1620 return __b <= __i && __i < __b + __cont->size(); 1621} 1622 1623template <class _Container, class _Iter> 1624bool 1625__debug_iter<_Container, _Iter>::__can_increment(integral_constant<int, 2>) const 1626{ 1627 if (__cont == 0) 1628 return false; 1629 iterator_type __b = __cont->begin().base(); 1630 return __b <= __i && __i < __b + __cont->size(); 1631} 1632 1633template <class _Container, class _Iter> 1634bool 1635__debug_iter<_Container, _Iter>::__can_add(difference_type __n, false_type) const 1636{ 1637 if (__cont == 0) 1638 return false; 1639 iterator_type __b = __cont->begin().base(); 1640 iterator_type __j = __i + __n; 1641 return __b <= __j && __j <= __b + __cont->size(); 1642} 1643 1644template <class _Container, class _Iter> 1645bool 1646__debug_iter<_Container, _Iter>::__can_add(difference_type __n, true_type) const 1647{ 1648 if (__cont == 0) 1649 return false; 1650 iterator_type __b = __cont->begin().base(); 1651 iterator_type __j = __i + __n; 1652 return __b <= __j && __j <= __b + __cont->size(); 1653} 1654 1655template <class _Container, class _Iter> 1656__debug_iter<_Container, _Iter>& 1657__debug_iter<_Container, _Iter>::operator+=(difference_type __n) 1658{ 1659 assert(__can_add(__n)); 1660 __i += __n; 1661 return *this; 1662} 1663 1664template <class _Container, class _Iter1, class _Iter2> 1665inline _LIBCPP_INLINE_VISIBILITY 1666bool 1667operator==(const __debug_iter<_Container, _Iter1>& __x, const __debug_iter<_Container, _Iter2>& __y) 1668{ 1669 assert(__x.__cont && __x.__cont == __y.__cont); 1670 return __x.base() == __y.base(); 1671} 1672 1673template <class _Container, class _Iter1, class _Iter2> 1674inline _LIBCPP_INLINE_VISIBILITY 1675bool 1676operator!=(const __debug_iter<_Container, _Iter1>& __x, const __debug_iter<_Container, _Iter2>& __y) 1677{ 1678 return !(__x == __y); 1679} 1680 1681template <class _Container, class _Iter1, class _Iter2> 1682inline _LIBCPP_INLINE_VISIBILITY 1683bool 1684operator<(const __debug_iter<_Container, _Iter1>& __x, const __debug_iter<_Container, _Iter2>& __y) 1685{ 1686 assert(__x.__cont && __x.__cont == __y.__cont); 1687 return __x.base() < __y.base(); 1688} 1689 1690template <class _Container, class _Iter1, class _Iter2> 1691inline _LIBCPP_INLINE_VISIBILITY 1692bool 1693operator>(const __debug_iter<_Container, _Iter1>& __x, const __debug_iter<_Container, _Iter2>& __y) 1694{ 1695 return __y < __x; 1696} 1697 1698template <class _Container, class _Iter1, class _Iter2> 1699inline _LIBCPP_INLINE_VISIBILITY 1700bool 1701operator>=(const __debug_iter<_Container, _Iter1>& __x, const __debug_iter<_Container, _Iter2>& __y) 1702{ 1703 return !(__x < __y); 1704} 1705 1706template <class _Container, class _Iter1, class _Iter2> 1707inline _LIBCPP_INLINE_VISIBILITY 1708bool 1709operator<=(const __debug_iter<_Container, _Iter1>& __x, const __debug_iter<_Container, _Iter2>& __y) 1710{ 1711 return !(__y < __x); 1712} 1713 1714template <class _Container, class _Iter1, class _Iter2> 1715inline _LIBCPP_INLINE_VISIBILITY 1716typename __debug_iter<_Container, _Iter1>::difference_type 1717operator-(const __debug_iter<_Container, _Iter1>& __x, const __debug_iter<_Container, _Iter2>& __y) 1718{ 1719 assert(__x.__cont && __x.__cont == __y.__cont); 1720 return __x.base() - __y.base(); 1721} 1722 1723template <class _Container, class _Iter> 1724inline _LIBCPP_INLINE_VISIBILITY 1725__debug_iter<_Container, _Iter> 1726operator+(typename __debug_iter<_Container, _Iter>::difference_type __n, 1727 const __debug_iter<_Container, _Iter>& __x) 1728{ 1729 return __x + __n; 1730} 1731 1732#endif // _LIBCPP_DEBUG 1733 1734#if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_TRAILING_RETURN) 1735 1736template <class _Cp> 1737inline _LIBCPP_INLINE_VISIBILITY 1738auto 1739begin(_Cp& __c) -> decltype(__c.begin()) 1740{ 1741 return __c.begin(); 1742} 1743 1744template <class _Cp> 1745inline _LIBCPP_INLINE_VISIBILITY 1746auto 1747begin(const _Cp& __c) -> decltype(__c.begin()) 1748{ 1749 return __c.begin(); 1750} 1751 1752template <class _Cp> 1753inline _LIBCPP_INLINE_VISIBILITY 1754auto 1755end(_Cp& __c) -> decltype(__c.end()) 1756{ 1757 return __c.end(); 1758} 1759 1760template <class _Cp> 1761inline _LIBCPP_INLINE_VISIBILITY 1762auto 1763end(const _Cp& __c) -> decltype(__c.end()) 1764{ 1765 return __c.end(); 1766} 1767 1768#else // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_TRAILING_RETURN) 1769 1770template <class _Cp> 1771inline _LIBCPP_INLINE_VISIBILITY 1772typename _Cp::iterator 1773begin(_Cp& __c) 1774{ 1775 return __c.begin(); 1776} 1777 1778template <class _Cp> 1779inline _LIBCPP_INLINE_VISIBILITY 1780typename _Cp::const_iterator 1781begin(const _Cp& __c) 1782{ 1783 return __c.begin(); 1784} 1785 1786template <class _Cp> 1787inline _LIBCPP_INLINE_VISIBILITY 1788typename _Cp::iterator 1789end(_Cp& __c) 1790{ 1791 return __c.end(); 1792} 1793 1794template <class _Cp> 1795inline _LIBCPP_INLINE_VISIBILITY 1796typename _Cp::const_iterator 1797end(const _Cp& __c) 1798{ 1799 return __c.end(); 1800} 1801 1802#endif // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_TRAILING_RETURN) 1803 1804template <class _Tp, size_t _Np> 1805inline _LIBCPP_INLINE_VISIBILITY 1806_Tp* 1807begin(_Tp (&__array)[_Np]) 1808{ 1809 return __array; 1810} 1811 1812template <class _Tp, size_t _Np> 1813inline _LIBCPP_INLINE_VISIBILITY 1814_Tp* 1815end(_Tp (&__array)[_Np]) 1816{ 1817 return __array + _Np; 1818} 1819 1820_LIBCPP_END_NAMESPACE_STD 1821 1822#endif // _LIBCPP_ITERATOR 1823