libstdc++
vector.tcc
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1 // Vector implementation (out of line) -*- C++ -*-
2 
3 // Copyright (C) 2001-2025 Free Software Foundation, Inc.
4 //
5 // This file is part of the GNU ISO C++ Library. This library is free
6 // software; you can redistribute it and/or modify it under the
7 // terms of the GNU General Public License as published by the
8 // Free Software Foundation; either version 3, or (at your option)
9 // any later version.
10 
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
15 
16 // Under Section 7 of GPL version 3, you are granted additional
17 // permissions described in the GCC Runtime Library Exception, version
18 // 3.1, as published by the Free Software Foundation.
19 
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22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
23 // <http://www.gnu.org/licenses/>.
24 
25 /*
26  *
27  * Copyright (c) 1994
28  * Hewlett-Packard Company
29  *
30  * Permission to use, copy, modify, distribute and sell this software
31  * and its documentation for any purpose is hereby granted without fee,
32  * provided that the above copyright notice appear in all copies and
33  * that both that copyright notice and this permission notice appear
34  * in supporting documentation. Hewlett-Packard Company makes no
35  * representations about the suitability of this software for any
36  * purpose. It is provided "as is" without express or implied warranty.
37  *
38  *
39  * Copyright (c) 1996
40  * Silicon Graphics Computer Systems, Inc.
41  *
42  * Permission to use, copy, modify, distribute and sell this software
43  * and its documentation for any purpose is hereby granted without fee,
44  * provided that the above copyright notice appear in all copies and
45  * that both that copyright notice and this permission notice appear
46  * in supporting documentation. Silicon Graphics makes no
47  * representations about the suitability of this software for any
48  * purpose. It is provided "as is" without express or implied warranty.
49  */
50 
51 /** @file bits/vector.tcc
52  * This is an internal header file, included by other library headers.
53  * Do not attempt to use it directly. @headername{vector}
54  */
55 
56 #ifndef _VECTOR_TCC
57 #define _VECTOR_TCC 1
58 
59 namespace std _GLIBCXX_VISIBILITY(default)
60 {
61 _GLIBCXX_BEGIN_NAMESPACE_VERSION
62 _GLIBCXX_BEGIN_NAMESPACE_CONTAINER
63 
64  template<typename _Tp, typename _Alloc>
65  _GLIBCXX20_CONSTEXPR
66  void
68  reserve(size_type __n)
69  {
70  if (__n > this->max_size())
71  __throw_length_error(__N("vector::reserve"));
72  if (this->capacity() < __n)
73  {
74  const size_type __old_size = size();
75  pointer __tmp;
76 #if __cplusplus >= 201103L
77  if _GLIBCXX17_CONSTEXPR (_S_use_relocate())
78  {
79  __tmp = this->_M_allocate(__n);
80  _S_relocate(this->_M_impl._M_start, this->_M_impl._M_finish,
81  __tmp, _M_get_Tp_allocator());
82  }
83  else
84 #endif
85  {
86  __tmp = _M_allocate_and_copy(__n,
87  _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(this->_M_impl._M_start),
88  _GLIBCXX_MAKE_MOVE_IF_NOEXCEPT_ITERATOR(this->_M_impl._M_finish));
89  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
90  _M_get_Tp_allocator());
91  }
92  _GLIBCXX_ASAN_ANNOTATE_REINIT;
93  _M_deallocate(this->_M_impl._M_start,
94  this->_M_impl._M_end_of_storage
95  - this->_M_impl._M_start);
96  this->_M_impl._M_start = __tmp;
97  this->_M_impl._M_finish = __tmp + __old_size;
98  this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __n;
99  }
100  }
101 
102 #if __cplusplus >= 201103L
103  template<typename _Tp, typename _Alloc>
104  template<typename... _Args>
105 #if __cplusplus > 201402L
106  _GLIBCXX20_CONSTEXPR
107  typename vector<_Tp, _Alloc>::reference
108 #else
109  void
110 #endif
112  emplace_back(_Args&&... __args)
113  {
114  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
115  {
116  _GLIBCXX_ASAN_ANNOTATE_GROW(1);
117  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
118  std::forward<_Args>(__args)...);
119  ++this->_M_impl._M_finish;
120  _GLIBCXX_ASAN_ANNOTATE_GREW(1);
121  }
122  else
123  _M_realloc_append(std::forward<_Args>(__args)...);
124 #if __cplusplus > 201402L
125  return back();
126 #endif
127  }
128 #endif
129 
130  template<typename _Tp, typename _Alloc>
131  _GLIBCXX20_CONSTEXPR
132  typename vector<_Tp, _Alloc>::iterator
134 #if __cplusplus >= 201103L
135  insert(const_iterator __position, const value_type& __x)
136 #else
137  insert(iterator __position, const value_type& __x)
138 #endif
139  {
140  const size_type __n = __position - begin();
141  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
142  {
143  __glibcxx_assert(__position != const_iterator());
144  if (!(__position != const_iterator()))
145  __builtin_unreachable(); // PR 106434
146 
147  if (__position == end())
148  {
149  _GLIBCXX_ASAN_ANNOTATE_GROW(1);
150  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
151  __x);
152  ++this->_M_impl._M_finish;
153  _GLIBCXX_ASAN_ANNOTATE_GREW(1);
154  }
155  else
156  {
157 #if __cplusplus >= 201103L
158  const auto __pos = begin() + (__position - cbegin());
159  // __x could be an existing element of this vector, so make a
160  // copy of it before _M_insert_aux moves elements around.
161  _Temporary_value __x_copy(this, __x);
162  _M_insert_aux(__pos, std::move(__x_copy._M_val()));
163 #else
164  _M_insert_aux(__position, __x);
165 #endif
166  }
167  }
168  else
169 #if __cplusplus >= 201103L
170  _M_realloc_insert(begin() + (__position - cbegin()), __x);
171 #else
172  _M_realloc_insert(__position, __x);
173 #endif
174 
175  return iterator(this->_M_impl._M_start + __n);
176  }
177 
178  template<typename _Tp, typename _Alloc>
179  _GLIBCXX20_CONSTEXPR
180  typename vector<_Tp, _Alloc>::iterator
182  _M_erase(iterator __position)
183  {
184  if (__position + 1 != end())
185  _GLIBCXX_MOVE3(__position + 1, end(), __position);
186  --this->_M_impl._M_finish;
187  _Alloc_traits::destroy(this->_M_impl, this->_M_impl._M_finish);
188  _GLIBCXX_ASAN_ANNOTATE_SHRINK(1);
189  return __position;
190  }
191 
192  template<typename _Tp, typename _Alloc>
193  _GLIBCXX20_CONSTEXPR
194  typename vector<_Tp, _Alloc>::iterator
195  vector<_Tp, _Alloc>::
196  _M_erase(iterator __first, iterator __last)
197  {
198  if (__first != __last)
199  {
200  if (__last != end())
201  _GLIBCXX_MOVE3(__last, end(), __first);
202  _M_erase_at_end(__first.base() + (end() - __last));
203  }
204  return __first;
205  }
206 
207  template<typename _Tp, typename _Alloc>
208  _GLIBCXX20_CONSTEXPR
209  vector<_Tp, _Alloc>&
212  {
213  if (std::__addressof(__x) != this)
214  {
215  _GLIBCXX_ASAN_ANNOTATE_REINIT;
216 #if __cplusplus >= 201103L
217  if (_Alloc_traits::_S_propagate_on_copy_assign())
218  {
219  if (!_Alloc_traits::_S_always_equal()
220  && _M_get_Tp_allocator() != __x._M_get_Tp_allocator())
221  {
222  // replacement allocator cannot free existing storage
223  this->clear();
224  _M_deallocate(this->_M_impl._M_start,
225  this->_M_impl._M_end_of_storage
226  - this->_M_impl._M_start);
227  this->_M_impl._M_start = nullptr;
228  this->_M_impl._M_finish = nullptr;
229  this->_M_impl._M_end_of_storage = nullptr;
230  }
231  std::__alloc_on_copy(_M_get_Tp_allocator(),
232  __x._M_get_Tp_allocator());
233  }
234 #endif
235  const size_type __xlen = __x.size();
236  if (__xlen > capacity())
237  {
238  pointer __tmp = _M_allocate_and_copy(__xlen, __x.begin(),
239  __x.end());
240  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
241  _M_get_Tp_allocator());
242  _M_deallocate(this->_M_impl._M_start,
243  this->_M_impl._M_end_of_storage
244  - this->_M_impl._M_start);
245  this->_M_impl._M_start = __tmp;
246  this->_M_impl._M_end_of_storage = this->_M_impl._M_start + __xlen;
247  }
248  else if (size() >= __xlen)
249  {
250  std::_Destroy(std::copy(__x.begin(), __x.end(), begin()),
251  end(), _M_get_Tp_allocator());
252  }
253  else
254  {
255  std::copy(__x._M_impl._M_start, __x._M_impl._M_start + size(),
256  this->_M_impl._M_start);
257  std::__uninitialized_copy_a(__x._M_impl._M_start + size(),
258  __x._M_impl._M_finish,
259  this->_M_impl._M_finish,
260  _M_get_Tp_allocator());
261  }
262  this->_M_impl._M_finish = this->_M_impl._M_start + __xlen;
263  }
264  return *this;
265  }
266 
267  template<typename _Tp, typename _Alloc>
268  _GLIBCXX20_CONSTEXPR
269  void
271  _M_fill_assign(size_t __n, const value_type& __val)
272  {
273  const size_type __sz = size();
274  if (__n > capacity())
275  {
276  if (__n <= __sz)
277  __builtin_unreachable();
278  vector __tmp(__n, __val, _M_get_Tp_allocator());
279  __tmp._M_impl._M_swap_data(this->_M_impl);
280  }
281  else if (__n > __sz)
282  {
283  std::fill(begin(), end(), __val);
284  const size_type __add = __n - __sz;
285  _GLIBCXX_ASAN_ANNOTATE_GROW(__add);
286  this->_M_impl._M_finish =
287  std::__uninitialized_fill_n_a(this->_M_impl._M_finish,
288  __add, __val, _M_get_Tp_allocator());
289  _GLIBCXX_ASAN_ANNOTATE_GREW(__add);
290  }
291  else
292  _M_erase_at_end(std::fill_n(this->_M_impl._M_start, __n, __val));
293  }
294 
295  template<typename _Tp, typename _Alloc>
296  template<typename _InputIterator>
297  _GLIBCXX20_CONSTEXPR
298  void
299  vector<_Tp, _Alloc>::
300  _M_assign_aux(_InputIterator __first, _InputIterator __last,
302  {
303  pointer __cur(this->_M_impl._M_start);
304  for (; __first != __last && __cur != this->_M_impl._M_finish;
305  ++__cur, (void)++__first)
306  *__cur = *__first;
307  if (__first == __last)
308  _M_erase_at_end(__cur);
309  else
310  _M_range_insert(end(), __first, __last,
311  std::__iterator_category(__first));
312  }
313 
314  template<typename _Tp, typename _Alloc>
315  template<typename _ForwardIterator>
316  _GLIBCXX20_CONSTEXPR
317  void
318  vector<_Tp, _Alloc>::
319  _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
321  {
322  const size_type __sz = size();
323  const size_type __len = std::distance(__first, __last);
324 
325  if (__len > capacity())
326  {
327  if (__len <= __sz)
328  __builtin_unreachable();
329 
330  _S_check_init_len(__len, _M_get_Tp_allocator());
331  pointer __tmp(_M_allocate_and_copy(__len, __first, __last));
332  std::_Destroy(this->_M_impl._M_start, this->_M_impl._M_finish,
333  _M_get_Tp_allocator());
334  _GLIBCXX_ASAN_ANNOTATE_REINIT;
335  _M_deallocate(this->_M_impl._M_start,
336  this->_M_impl._M_end_of_storage
337  - this->_M_impl._M_start);
338  this->_M_impl._M_start = __tmp;
339  this->_M_impl._M_finish = this->_M_impl._M_start + __len;
340  this->_M_impl._M_end_of_storage = this->_M_impl._M_finish;
341  }
342  else if (__sz >= __len)
343  _M_erase_at_end(std::copy(__first, __last, this->_M_impl._M_start));
344  else
345  {
346  _ForwardIterator __mid = __first;
347  std::advance(__mid, __sz);
348  std::copy(__first, __mid, this->_M_impl._M_start);
349  const size_type __attribute__((__unused__)) __n = __len - __sz;
350  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
351  this->_M_impl._M_finish =
352  std::__uninitialized_copy_a(__mid, __last,
353  this->_M_impl._M_finish,
354  _M_get_Tp_allocator());
355  _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
356  }
357  }
358 
359 #if __cplusplus >= 201103L
360  template<typename _Tp, typename _Alloc>
361  _GLIBCXX20_CONSTEXPR
362  auto
363  vector<_Tp, _Alloc>::
364  _M_insert_rval(const_iterator __position, value_type&& __v) -> iterator
365  {
366  const auto __n = __position - cbegin();
367  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
368  if (__position == cend())
369  {
370  _GLIBCXX_ASAN_ANNOTATE_GROW(1);
371  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
372  std::move(__v));
373  ++this->_M_impl._M_finish;
374  _GLIBCXX_ASAN_ANNOTATE_GREW(1);
375  }
376  else
377  _M_insert_aux(begin() + __n, std::move(__v));
378  else
379  _M_realloc_insert(begin() + __n, std::move(__v));
380 
381  return iterator(this->_M_impl._M_start + __n);
382  }
383 
384  template<typename _Tp, typename _Alloc>
385  template<typename... _Args>
386  _GLIBCXX20_CONSTEXPR
387  auto
388  vector<_Tp, _Alloc>::
389  _M_emplace_aux(const_iterator __position, _Args&&... __args)
390  -> iterator
391  {
392  const auto __n = __position - cbegin();
393  if (this->_M_impl._M_finish != this->_M_impl._M_end_of_storage)
394  if (__position == cend())
395  {
396  _GLIBCXX_ASAN_ANNOTATE_GROW(1);
397  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
398  std::forward<_Args>(__args)...);
399  ++this->_M_impl._M_finish;
400  _GLIBCXX_ASAN_ANNOTATE_GREW(1);
401  }
402  else
403  {
404  // We need to construct a temporary because something in __args...
405  // could alias one of the elements of the container and so we
406  // need to use it before _M_insert_aux moves elements around.
407  _Temporary_value __tmp(this, std::forward<_Args>(__args)...);
408  _M_insert_aux(begin() + __n, std::move(__tmp._M_val()));
409  }
410  else
411  _M_realloc_insert(begin() + __n, std::forward<_Args>(__args)...);
412 
413  return iterator(this->_M_impl._M_start + __n);
414  }
415 
416  template<typename _Tp, typename _Alloc>
417  template<typename _Arg>
418  _GLIBCXX20_CONSTEXPR
419  void
420  vector<_Tp, _Alloc>::
421  _M_insert_aux(iterator __position, _Arg&& __arg)
422 #else
423  template<typename _Tp, typename _Alloc>
424  void
425  vector<_Tp, _Alloc>::
426  _M_insert_aux(iterator __position, const _Tp& __x)
427 #endif
428  {
429  _GLIBCXX_ASAN_ANNOTATE_GROW(1);
430  _Alloc_traits::construct(this->_M_impl, this->_M_impl._M_finish,
431  _GLIBCXX_MOVE(*(this->_M_impl._M_finish - 1)));
432  ++this->_M_impl._M_finish;
433  _GLIBCXX_ASAN_ANNOTATE_GREW(1);
434 #if __cplusplus < 201103L
435  _Tp __x_copy = __x;
436 #endif
437  _GLIBCXX_MOVE_BACKWARD3(__position.base(),
438  this->_M_impl._M_finish - 2,
439  this->_M_impl._M_finish - 1);
440 #if __cplusplus < 201103L
441  *__position = __x_copy;
442 #else
443  *__position = std::forward<_Arg>(__arg);
444 #endif
445  }
446 
447 #if __cplusplus >= 201103L
448  template<typename _Tp, typename _Alloc>
449  template<typename... _Args>
450  _GLIBCXX20_CONSTEXPR
451  void
452  vector<_Tp, _Alloc>::
453  _M_realloc_insert(iterator __position, _Args&&... __args)
454 #else
455  template<typename _Tp, typename _Alloc>
456  void
457  vector<_Tp, _Alloc>::
458  _M_realloc_insert(iterator __position, const _Tp& __x)
459 #endif
460  {
461  const size_type __len = _M_check_len(1u, "vector::_M_realloc_insert");
462  if (__len <= 0)
463  __builtin_unreachable ();
464  pointer __old_start = this->_M_impl._M_start;
465  pointer __old_finish = this->_M_impl._M_finish;
466  const size_type __elems_before = __position - begin();
467  pointer __new_start(this->_M_allocate(__len));
468  pointer __new_finish(__new_start);
469 
470  {
471  _Guard_alloc __guard(__new_start, __len, *this);
472 
473  // The order of the three operations is dictated by the C++11
474  // case, where the moves could alter a new element belonging
475  // to the existing vector. This is an issue only for callers
476  // taking the element by lvalue ref (see last bullet of C++11
477  // [res.on.arguments]).
478 
479  // If this throws, the existing elements are unchanged.
480 #if __cplusplus >= 201103L
481  _Alloc_traits::construct(this->_M_impl,
482  std::__to_address(__new_start + __elems_before),
483  std::forward<_Args>(__args)...);
484 #else
485  _Alloc_traits::construct(this->_M_impl,
486  __new_start + __elems_before,
487  __x);
488 #endif
489 
490 #if __cplusplus >= 201103L
491  if _GLIBCXX17_CONSTEXPR (_S_use_relocate())
492  {
493  // Relocation cannot throw.
494  __new_finish = _S_relocate(__old_start, __position.base(),
495  __new_start, _M_get_Tp_allocator());
496  ++__new_finish;
497  __new_finish = _S_relocate(__position.base(), __old_finish,
498  __new_finish, _M_get_Tp_allocator());
499  }
500  else
501 #endif
502  {
503  // RAII type to destroy initialized elements.
504  struct _Guard_elts
505  {
506  pointer _M_first, _M_last; // Elements to destroy
507  _Tp_alloc_type& _M_alloc;
508 
509  _GLIBCXX20_CONSTEXPR
510  _Guard_elts(pointer __elt, _Tp_alloc_type& __a)
511  : _M_first(__elt), _M_last(__elt + 1), _M_alloc(__a)
512  { }
513 
514  _GLIBCXX20_CONSTEXPR
515  ~_Guard_elts()
516  { std::_Destroy(_M_first, _M_last, _M_alloc); }
517 
518  private:
519  _Guard_elts(const _Guard_elts&);
520  };
521 
522  // Guard the new element so it will be destroyed if anything throws.
523  _Guard_elts __guard_elts(__new_start + __elems_before, _M_impl);
524 
525  __new_finish = std::__uninitialized_move_if_noexcept_a(
526  __old_start, __position.base(),
527  __new_start, _M_get_Tp_allocator());
528 
529  ++__new_finish;
530  // Guard everything before the new element too.
531  __guard_elts._M_first = __new_start;
532 
533  __new_finish = std::__uninitialized_move_if_noexcept_a(
534  __position.base(), __old_finish,
535  __new_finish, _M_get_Tp_allocator());
536 
537  // New storage has been fully initialized, destroy the old elements.
538  __guard_elts._M_first = __old_start;
539  __guard_elts._M_last = __old_finish;
540  }
541  __guard._M_storage = __old_start;
542  __guard._M_len = this->_M_impl._M_end_of_storage - __old_start;
543  }
544  // deallocate should be called before assignments to _M_impl,
545  // to avoid call-clobbering
546 
547  this->_M_impl._M_start = __new_start;
548  this->_M_impl._M_finish = __new_finish;
549  this->_M_impl._M_end_of_storage = __new_start + __len;
550  }
551 
552 #if __cplusplus >= 201103L
553  template<typename _Tp, typename _Alloc>
554  template<typename... _Args>
555  _GLIBCXX20_CONSTEXPR
556  void
557  vector<_Tp, _Alloc>::
558  _M_realloc_append(_Args&&... __args)
559 #else
560  template<typename _Tp, typename _Alloc>
561  void
562  vector<_Tp, _Alloc>::
563  _M_realloc_append(const _Tp& __x)
564 #endif
565  {
566  const size_type __len = _M_check_len(1u, "vector::_M_realloc_append");
567  if (__len <= 0)
568  __builtin_unreachable ();
569  pointer __old_start = this->_M_impl._M_start;
570  pointer __old_finish = this->_M_impl._M_finish;
571  const size_type __elems = end() - begin();
572  pointer __new_start(this->_M_allocate(__len));
573  pointer __new_finish(__new_start);
574 
575  {
576  _Guard_alloc __guard(__new_start, __len, *this);
577 
578  // The order of the three operations is dictated by the C++11
579  // case, where the moves could alter a new element belonging
580  // to the existing vector. This is an issue only for callers
581  // taking the element by lvalue ref (see last bullet of C++11
582  // [res.on.arguments]).
583 
584  // If this throws, the existing elements are unchanged.
585 #if __cplusplus >= 201103L
586  _Alloc_traits::construct(this->_M_impl,
587  std::__to_address(__new_start + __elems),
588  std::forward<_Args>(__args)...);
589 #else
590  _Alloc_traits::construct(this->_M_impl,
591  __new_start + __elems,
592  __x);
593 #endif
594 
595 #if __cplusplus >= 201103L
596  if _GLIBCXX17_CONSTEXPR (_S_use_relocate())
597  {
598  // Relocation cannot throw.
599  __new_finish = _S_relocate(__old_start, __old_finish,
600  __new_start, _M_get_Tp_allocator());
601  ++__new_finish;
602  }
603  else
604 #endif
605  {
606  // RAII type to destroy initialized elements.
607  struct _Guard_elts
608  {
609  pointer _M_first, _M_last; // Elements to destroy
610  _Tp_alloc_type& _M_alloc;
611 
612  _GLIBCXX20_CONSTEXPR
613  _Guard_elts(pointer __elt, _Tp_alloc_type& __a)
614  : _M_first(__elt), _M_last(__elt + 1), _M_alloc(__a)
615  { }
616 
617  _GLIBCXX20_CONSTEXPR
618  ~_Guard_elts()
619  { std::_Destroy(_M_first, _M_last, _M_alloc); }
620 
621  private:
622  _Guard_elts(const _Guard_elts&);
623  };
624 
625  // Guard the new element so it will be destroyed if anything throws.
626  _Guard_elts __guard_elts(__new_start + __elems, _M_impl);
627 
628  __new_finish = std::__uninitialized_move_if_noexcept_a(
629  __old_start, __old_finish,
630  __new_start, _M_get_Tp_allocator());
631 
632  ++__new_finish;
633 
634  // New storage has been fully initialized, destroy the old elements.
635  __guard_elts._M_first = __old_start;
636  __guard_elts._M_last = __old_finish;
637  }
638  __guard._M_storage = __old_start;
639  __guard._M_len = this->_M_impl._M_end_of_storage - __old_start;
640  }
641  // deallocate should be called before assignments to _M_impl,
642  // to avoid call-clobbering
643 
644  this->_M_impl._M_start = __new_start;
645  this->_M_impl._M_finish = __new_finish;
646  this->_M_impl._M_end_of_storage = __new_start + __len;
647  }
648 
649  template<typename _Tp, typename _Alloc>
650  _GLIBCXX20_CONSTEXPR
651  void
652  vector<_Tp, _Alloc>::
653  _M_fill_insert(iterator __position, size_type __n, const value_type& __x)
654  {
655  if (__n != 0)
656  {
657  if (size_type(this->_M_impl._M_end_of_storage
658  - this->_M_impl._M_finish) >= __n)
659  {
660 #if __cplusplus < 201103L
661  value_type __x_copy = __x;
662 #else
663  _Temporary_value __tmp(this, __x);
664  value_type& __x_copy = __tmp._M_val();
665 #endif
666  const size_type __elems_after = end() - __position;
667  pointer __old_finish(this->_M_impl._M_finish);
668  if (__elems_after > __n)
669  {
670  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
671  std::__uninitialized_move_a(__old_finish - __n,
672  __old_finish,
673  __old_finish,
674  _M_get_Tp_allocator());
675  this->_M_impl._M_finish += __n;
676  _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
677  _GLIBCXX_MOVE_BACKWARD3(__position.base(),
678  __old_finish - __n, __old_finish);
679  std::fill(__position.base(), __position.base() + __n,
680  __x_copy);
681  }
682  else
683  {
684  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
685  this->_M_impl._M_finish =
686  std::__uninitialized_fill_n_a(__old_finish,
687  __n - __elems_after,
688  __x_copy,
689  _M_get_Tp_allocator());
690  _GLIBCXX_ASAN_ANNOTATE_GREW(__n - __elems_after);
691  std::__uninitialized_move_a(__position.base(), __old_finish,
692  this->_M_impl._M_finish,
693  _M_get_Tp_allocator());
694  this->_M_impl._M_finish += __elems_after;
695  _GLIBCXX_ASAN_ANNOTATE_GREW(__elems_after);
696  std::fill(__position.base(), __old_finish, __x_copy);
697  }
698  }
699  else
700  {
701  // Make local copies of these members because the compiler thinks
702  // the allocator can alter them if 'this' is globally reachable.
703  pointer __old_start = this->_M_impl._M_start;
704  pointer __old_finish = this->_M_impl._M_finish;
705  const pointer __pos = __position.base();
706 
707  const size_type __len =
708  _M_check_len(__n, "vector::_M_fill_insert");
709  const size_type __elems_before = __pos - __old_start;
710  pointer __new_start(this->_M_allocate(__len));
711  pointer __new_finish(__new_start);
712  __try
713  {
714  // See _M_realloc_insert above.
715  std::__uninitialized_fill_n_a(__new_start + __elems_before,
716  __n, __x,
717  _M_get_Tp_allocator());
718  __new_finish = pointer();
719 
720  __new_finish
721  = std::__uninitialized_move_if_noexcept_a
722  (__old_start, __pos, __new_start, _M_get_Tp_allocator());
723 
724  __new_finish += __n;
725 
726  __new_finish
727  = std::__uninitialized_move_if_noexcept_a
728  (__pos, __old_finish, __new_finish, _M_get_Tp_allocator());
729  }
730  __catch(...)
731  {
732  if (!__new_finish)
733  std::_Destroy(__new_start + __elems_before,
734  __new_start + __elems_before + __n,
735  _M_get_Tp_allocator());
736  else
737  std::_Destroy(__new_start, __new_finish,
738  _M_get_Tp_allocator());
739  _M_deallocate(__new_start, __len);
740  __throw_exception_again;
741  }
742  std::_Destroy(__old_start, __old_finish, _M_get_Tp_allocator());
743  _GLIBCXX_ASAN_ANNOTATE_REINIT;
744  _M_deallocate(__old_start,
745  this->_M_impl._M_end_of_storage - __old_start);
746  this->_M_impl._M_start = __new_start;
747  this->_M_impl._M_finish = __new_finish;
748  this->_M_impl._M_end_of_storage = __new_start + __len;
749  }
750  }
751  }
752 
753 #if __cplusplus >= 201103L
754  template<typename _Tp, typename _Alloc>
755  _GLIBCXX20_CONSTEXPR
756  void
757  vector<_Tp, _Alloc>::
758  _M_default_append(size_type __n)
759  {
760  if (__n != 0)
761  {
762  const size_type __size = size();
763  size_type __navail = size_type(this->_M_impl._M_end_of_storage
764  - this->_M_impl._M_finish);
765 
766  if (__size > max_size() || __navail > max_size() - __size)
767  __builtin_unreachable();
768 
769  if (__navail >= __n)
770  {
771  if (!this->_M_impl._M_finish)
772  __builtin_unreachable();
773 
774  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
775  this->_M_impl._M_finish =
776  std::__uninitialized_default_n_a(this->_M_impl._M_finish,
777  __n, _M_get_Tp_allocator());
778  _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
779  }
780  else
781  {
782  // Make local copies of these members because the compiler thinks
783  // the allocator can alter them if 'this' is globally reachable.
784  pointer __old_start = this->_M_impl._M_start;
785  pointer __old_finish = this->_M_impl._M_finish;
786 
787  const size_type __len =
788  _M_check_len(__n, "vector::_M_default_append");
789  pointer __new_start(this->_M_allocate(__len));
790 
791  {
792  _Guard_alloc __guard(__new_start, __len, *this);
793 
794  std::__uninitialized_default_n_a(__new_start + __size, __n,
795  _M_get_Tp_allocator());
796 
797  if _GLIBCXX17_CONSTEXPR (_S_use_relocate())
798  {
799  _S_relocate(__old_start, __old_finish,
800  __new_start, _M_get_Tp_allocator());
801  }
802  else
803  {
804  // RAII type to destroy initialized elements.
805  struct _Guard_elts
806  {
807  pointer _M_first, _M_last; // Elements to destroy
808  _Tp_alloc_type& _M_alloc;
809 
810  _GLIBCXX20_CONSTEXPR
811  _Guard_elts(pointer __first, size_type __n,
812  _Tp_alloc_type& __a)
813  : _M_first(__first), _M_last(__first + __n), _M_alloc(__a)
814  { }
815 
816  _GLIBCXX20_CONSTEXPR
817  ~_Guard_elts()
818  { std::_Destroy(_M_first, _M_last, _M_alloc); }
819 
820  private:
821  _Guard_elts(const _Guard_elts&);
822  };
823  _Guard_elts __guard_elts(__new_start + __size, __n, _M_impl);
824 
825  std::__uninitialized_move_if_noexcept_a(
826  __old_start, __old_finish, __new_start,
827  _M_get_Tp_allocator());
828 
829  __guard_elts._M_first = __old_start;
830  __guard_elts._M_last = __old_finish;
831  }
832  _GLIBCXX_ASAN_ANNOTATE_REINIT;
833  __guard._M_storage = __old_start;
834  __guard._M_len = this->_M_impl._M_end_of_storage - __old_start;
835  }
836  // deallocate should be called before assignments to _M_impl,
837  // to avoid call-clobbering
838 
839  this->_M_impl._M_start = __new_start;
840  this->_M_impl._M_finish = __new_start + __size + __n;
841  this->_M_impl._M_end_of_storage = __new_start + __len;
842  }
843  }
844  }
845 
846  template<typename _Tp, typename _Alloc>
847  _GLIBCXX20_CONSTEXPR
848  bool
849  vector<_Tp, _Alloc>::
850  _M_shrink_to_fit()
851  {
852  if (capacity() == size())
853  return false;
854  _GLIBCXX_ASAN_ANNOTATE_REINIT;
855  return std::__shrink_to_fit_aux<vector>::_S_do_it(*this);
856  }
857 #endif
858 
859  template<typename _Tp, typename _Alloc>
860  template<typename _InputIterator>
861  _GLIBCXX20_CONSTEXPR
862  void
863  vector<_Tp, _Alloc>::
864  _M_range_insert(iterator __pos, _InputIterator __first,
865  _InputIterator __last, std::input_iterator_tag)
866  {
867  if (__pos == end())
868  {
869  for (; __first != __last; ++__first)
870  insert(end(), *__first);
871  }
872  else if (__first != __last)
873  {
874  vector __tmp(__first, __last, _M_get_Tp_allocator());
875  insert(__pos,
876  _GLIBCXX_MAKE_MOVE_ITERATOR(__tmp.begin()),
877  _GLIBCXX_MAKE_MOVE_ITERATOR(__tmp.end()));
878  }
879  }
880 
881  template<typename _Tp, typename _Alloc>
882  template<typename _ForwardIterator>
883  _GLIBCXX20_CONSTEXPR
884  void
885  vector<_Tp, _Alloc>::
886  _M_range_insert(iterator __position, _ForwardIterator __first,
887  _ForwardIterator __last, std::forward_iterator_tag)
888  {
889  if (__first != __last)
890  {
891  const size_type __n = std::distance(__first, __last);
892  if (size_type(this->_M_impl._M_end_of_storage
893  - this->_M_impl._M_finish) >= __n)
894  {
895  const size_type __elems_after = end() - __position;
896  pointer __old_finish(this->_M_impl._M_finish);
897  if (__elems_after > __n)
898  {
899  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
900  std::__uninitialized_move_a(this->_M_impl._M_finish - __n,
901  this->_M_impl._M_finish,
902  this->_M_impl._M_finish,
903  _M_get_Tp_allocator());
904  this->_M_impl._M_finish += __n;
905  _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
906  _GLIBCXX_MOVE_BACKWARD3(__position.base(),
907  __old_finish - __n, __old_finish);
908  std::copy(__first, __last, __position);
909  }
910  else
911  {
912  _ForwardIterator __mid = __first;
913  std::advance(__mid, __elems_after);
914  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
915  std::__uninitialized_copy_a(__mid, __last,
916  this->_M_impl._M_finish,
917  _M_get_Tp_allocator());
918  this->_M_impl._M_finish += __n - __elems_after;
919  _GLIBCXX_ASAN_ANNOTATE_GREW(__n - __elems_after);
920  std::__uninitialized_move_a(__position.base(),
921  __old_finish,
922  this->_M_impl._M_finish,
923  _M_get_Tp_allocator());
924  this->_M_impl._M_finish += __elems_after;
925  _GLIBCXX_ASAN_ANNOTATE_GREW(__elems_after);
926  std::copy(__first, __mid, __position);
927  }
928  }
929  else
930  {
931  // Make local copies of these members because the compiler
932  // thinks the allocator can alter them if 'this' is globally
933  // reachable.
934  pointer __old_start = this->_M_impl._M_start;
935  pointer __old_finish = this->_M_impl._M_finish;
936 
937  const size_type __len =
938  _M_check_len(__n, "vector::_M_range_insert");
939 #if __cplusplus < 201103L
940  if (__len < (__n + (__old_finish - __old_start)))
941  __builtin_unreachable();
942 #endif
943 
944  pointer __new_start(this->_M_allocate(__len));
945  pointer __new_finish(__new_start);
946  __try
947  {
948  __new_finish
949  = std::__uninitialized_move_if_noexcept_a
950  (__old_start, __position.base(),
951  __new_start, _M_get_Tp_allocator());
952  __new_finish
953  = std::__uninitialized_copy_a(__first, __last,
954  __new_finish,
955  _M_get_Tp_allocator());
956  __new_finish
957  = std::__uninitialized_move_if_noexcept_a
958  (__position.base(), __old_finish,
959  __new_finish, _M_get_Tp_allocator());
960  }
961  __catch(...)
962  {
963  std::_Destroy(__new_start, __new_finish,
964  _M_get_Tp_allocator());
965  _M_deallocate(__new_start, __len);
966  __throw_exception_again;
967  }
968  std::_Destroy(__old_start, __old_finish,
969  _M_get_Tp_allocator());
970  _GLIBCXX_ASAN_ANNOTATE_REINIT;
971  _M_deallocate(__old_start,
972  this->_M_impl._M_end_of_storage - __old_start);
973  this->_M_impl._M_start = __new_start;
974  this->_M_impl._M_finish = __new_finish;
975  this->_M_impl._M_end_of_storage = __new_start + __len;
976  }
977  }
978  }
979 
980 #if __glibcxx_containers_ranges // C++ >= 23
981  template<typename _Tp, typename _Alloc>
982  template<__detail::__container_compatible_range<_Tp> _Rg>
983  constexpr auto
984  vector<_Tp, _Alloc>::
985  insert_range(const_iterator __pos, _Rg&& __rg)
986  -> iterator
987  {
988  if (__pos == cend())
989  {
990  const auto __ins_idx = size();
991  append_range(std::forward<_Rg>(__rg));
992  return begin() + __ins_idx;
993  }
994 
995  if constexpr (ranges::forward_range<_Rg>)
996  {
997  // Start of existing elements:
998  pointer __old_start = this->_M_impl._M_start;
999  // End of existing elements:
1000  pointer __old_finish = this->_M_impl._M_finish;
1001  // Insertion point:
1002  const auto __ins_idx = __pos - cbegin();
1003  pointer __ins = __old_start + __ins_idx;
1004  // Number of new elements to insert:
1005  const auto __n = size_type(ranges::distance(__rg));
1006  // Number of elements that can fit in unused capacity:
1007  const auto __cap = this->_M_impl._M_end_of_storage - __old_finish;
1008  if (__cap >= __n)
1009  {
1010  // Number of existing elements after insertion point:
1011  const size_type __elems_after = cend() - __pos;
1012  if (__elems_after > __n)
1013  {
1014  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
1015  std::__uninitialized_move_a(__old_finish - __n,
1016  __old_finish,
1017  __old_finish,
1018  _M_get_Tp_allocator());
1019  this->_M_impl._M_finish += __n;
1020  _GLIBCXX_ASAN_ANNOTATE_GREW(__n);
1021  std::move_backward(__ins, __old_finish - __n, __old_finish);
1022  ranges::copy(__rg, __ins);
1023  }
1024  else
1025  {
1026  auto __first = ranges::begin(__rg);
1027  const auto __last = ranges::end(__rg);
1028  auto __mid = ranges::next(__first, __elems_after);
1029  _GLIBCXX_ASAN_ANNOTATE_GROW(__n);
1030  _Base::_M_append_range(ranges::subrange(__mid, __last));
1031  _GLIBCXX_ASAN_ANNOTATE_GREW(__n - __elems_after);
1032  std::__uninitialized_move_a(__ins, __old_finish,
1033  this->_M_impl._M_finish,
1034  _M_get_Tp_allocator());
1035  this->_M_impl._M_finish += __elems_after;
1036  _GLIBCXX_ASAN_ANNOTATE_GREW(__elems_after);
1037  ranges::copy(__first, __mid, __ins);
1038  }
1039  }
1040  else // Reallocate
1041  {
1042  const size_type __len
1043  = _M_check_len(__n, "vector::insert_range");
1044 
1045  struct _Guard : _Guard_alloc
1046  {
1047  // End of elements to destroy:
1048  pointer _M_finish = _Guard_alloc::_M_storage;
1049 
1050  using _Guard_alloc::_Guard_alloc;
1051 
1052  constexpr
1053  ~_Guard()
1054  {
1055  std::_Destroy(this->_M_storage, _M_finish,
1056  this->_M_vect._M_get_Tp_allocator());
1057  }
1058  };
1059 
1060  // Allocate new storage:
1061  pointer __new_start(this->_M_allocate(__len));
1062  _Guard __guard(__new_start, __len, *this);
1063 
1064  auto& __alloc = _M_get_Tp_allocator();
1065 
1066  // Populate the new storage in three steps. After each step,
1067  // __guard owns the new storage and any elements that have
1068  // been constructed there.
1069 
1070  // Move elements from before insertion point to new storage:
1071  __guard._M_finish
1072  = std::__uninitialized_move_if_noexcept_a(
1073  __old_start, __ins, __new_start, __alloc);
1074 
1075  // Append new elements to new storage:
1076  _Base::_M_append_range_to(__rg, __guard._M_finish);
1077 
1078  // Move elements from after insertion point to new storage:
1079  __guard._M_finish
1080  = std::__uninitialized_move_if_noexcept_a(
1081  __ins, __old_finish, __guard._M_finish, __alloc);
1082 
1083  _GLIBCXX_ASAN_ANNOTATE_REINIT; // Creates _Asan::_Reinit.
1084 
1085  // All elements are in the new storage, exchange ownership
1086  // with __guard so that it cleans up the old storage:
1087  this->_M_impl._M_start = __guard._M_storage;
1088  this->_M_impl._M_finish = __guard._M_finish;
1089  this->_M_impl._M_end_of_storage = __new_start + __len;
1090  __guard._M_storage = __old_start;
1091  __guard._M_finish = __old_finish;
1092  __guard._M_len = (__old_finish - __old_start) + __cap;
1093  // _Asan::_Reinit destructor marks unused capacity.
1094  // _Guard destructor destroys [old_start,old_finish).
1095  // _Guard_alloc destructor frees [old_start,old_start+len).
1096  }
1097  return begin() + __ins_idx;
1098  }
1099  else
1100  return insert_range(__pos, vector(from_range, std::forward<_Rg>(__rg),
1101  _M_get_Tp_allocator()));
1102  }
1103 #endif // containers_ranges
1104 
1105  // vector<bool>
1106  template<typename _Alloc>
1107  _GLIBCXX20_CONSTEXPR
1108  void
1109  vector<bool, _Alloc>::
1110  _M_reallocate(size_type __n)
1111  {
1112  const iterator __begin = begin(), __end = end();
1113  if (size_type(__end - __begin) > __n)
1114  __builtin_unreachable();
1115  _Bit_pointer __q = this->_M_allocate(__n);
1116  iterator __start(std::__addressof(*__q), 0);
1117  iterator __finish(_M_copy_aligned(__begin, __end, __start));
1118  this->_M_deallocate();
1119  this->_M_impl._M_start = __start;
1120  this->_M_impl._M_finish = __finish;
1121  this->_M_impl._M_end_of_storage = __q + _S_nword(__n);
1122  }
1123 
1124  template<typename _Alloc>
1125  _GLIBCXX20_CONSTEXPR
1126  void
1127  vector<bool, _Alloc>::
1128  _M_fill_insert(iterator __position, size_type __n, bool __x)
1129  {
1130  if (__n == 0)
1131  return;
1132  if (capacity() - size() >= __n)
1133  {
1134  std::copy_backward(__position, end(),
1135  this->_M_impl._M_finish + difference_type(__n));
1136  std::fill(__position, __position + difference_type(__n), __x);
1137  this->_M_impl._M_finish += difference_type(__n);
1138  }
1139  else
1140  {
1141  const size_type __len =
1142  _M_check_len(__n, "vector<bool>::_M_fill_insert");
1143  iterator __begin = begin(), __end = end();
1144  _Bit_pointer __q = this->_M_allocate(__len);
1145  iterator __start(std::__addressof(*__q), 0);
1146  iterator __i = _M_copy_aligned(__begin, __position, __start);
1147  std::fill(__i, __i + difference_type(__n), __x);
1148  iterator __finish = std::copy(__position, __end,
1149  __i + difference_type(__n));
1150  this->_M_deallocate();
1151  this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
1152  this->_M_impl._M_start = __start;
1153  this->_M_impl._M_finish = __finish;
1154  }
1155  }
1156 
1157  template<typename _Alloc>
1158  template<typename _ForwardIterator>
1159  _GLIBCXX20_CONSTEXPR
1160  void
1161  vector<bool, _Alloc>::
1162  _M_insert_range(iterator __position, _ForwardIterator __first,
1163  _ForwardIterator __last, std::forward_iterator_tag)
1164  {
1165  if (__first != __last)
1166  {
1167  size_type __n = std::distance(__first, __last);
1168  if (capacity() - size() >= __n)
1169  {
1170  std::copy_backward(__position, end(),
1171  this->_M_impl._M_finish
1172  + difference_type(__n));
1173  std::copy(__first, __last, __position);
1174  this->_M_impl._M_finish += difference_type(__n);
1175  }
1176  else
1177  {
1178  const size_type __len =
1179  _M_check_len(__n, "vector<bool>::_M_insert_range");
1180  const iterator __begin = begin(), __end = end();
1181  _Bit_pointer __q = this->_M_allocate(__len);
1182  iterator __start(std::__addressof(*__q), 0);
1183  iterator __i = _M_copy_aligned(__begin, __position, __start);
1184  __i = std::copy(__first, __last, __i);
1185  iterator __finish = std::copy(__position, __end, __i);
1186  this->_M_deallocate();
1187  this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
1188  this->_M_impl._M_start = __start;
1189  this->_M_impl._M_finish = __finish;
1190  }
1191  }
1192  }
1193 
1194  template<typename _Alloc>
1195  _GLIBCXX20_CONSTEXPR
1196  void
1197  vector<bool, _Alloc>::
1198  _M_insert_aux(iterator __position, bool __x)
1199  {
1200  if (this->_M_impl._M_finish._M_p != this->_M_impl._M_end_addr())
1201  {
1202  std::copy_backward(__position, this->_M_impl._M_finish,
1203  this->_M_impl._M_finish + 1);
1204  *__position = __x;
1205  ++this->_M_impl._M_finish;
1206  }
1207  else
1208  {
1209  const size_type __len =
1210  _M_check_len(size_type(1), "vector<bool>::_M_insert_aux");
1211  _Bit_pointer __q = this->_M_allocate(__len);
1212  iterator __start(std::__addressof(*__q), 0);
1213  iterator __i = _M_copy_aligned(begin(), __position, __start);
1214  *__i++ = __x;
1215  iterator __finish = std::copy(__position, end(), __i);
1216  this->_M_deallocate();
1217  this->_M_impl._M_end_of_storage = __q + _S_nword(__len);
1218  this->_M_impl._M_start = __start;
1219  this->_M_impl._M_finish = __finish;
1220  }
1221  }
1222 
1223  template<typename _Alloc>
1224  _GLIBCXX20_CONSTEXPR
1225  typename vector<bool, _Alloc>::iterator
1226  vector<bool, _Alloc>::
1227  _M_erase(iterator __position)
1228  {
1229  if (__position + 1 != end())
1230  std::copy(__position + 1, end(), __position);
1231  --this->_M_impl._M_finish;
1232  return __position;
1233  }
1234 
1235  template<typename _Alloc>
1236  _GLIBCXX20_CONSTEXPR
1237  typename vector<bool, _Alloc>::iterator
1238  vector<bool, _Alloc>::
1239  _M_erase(iterator __first, iterator __last)
1240  {
1241  if (__first != __last)
1242  _M_erase_at_end(std::copy(__last, end(), __first));
1243  return __first;
1244  }
1246 #if __cplusplus >= 201103L
1247  template<typename _Alloc>
1248  _GLIBCXX20_CONSTEXPR
1249  bool
1252  {
1253  if (capacity() - size() < int(_S_word_bit))
1254  return false;
1255  __try
1256  {
1257  if (size_type __n = size())
1258  _M_reallocate(__n);
1259  else
1260  {
1261  this->_M_deallocate();
1262  this->_M_impl._M_reset();
1263  }
1264  return true;
1265  }
1266  __catch(...)
1267  { return false; }
1268  }
1269 #endif
1270 
1271 _GLIBCXX_END_NAMESPACE_CONTAINER
1272 _GLIBCXX_END_NAMESPACE_VERSION
1273 } // namespace std
1274 
1275 #if __cplusplus >= 201103L
1276 
1277 namespace std _GLIBCXX_VISIBILITY(default)
1278 {
1279 _GLIBCXX_BEGIN_NAMESPACE_VERSION
1280 
1281  template<typename _Alloc>
1282  size_t
1283  hash<_GLIBCXX_STD_C::vector<bool, _Alloc>>::
1284  operator()(const _GLIBCXX_STD_C::vector<bool, _Alloc>& __b) const noexcept
1285  {
1286  size_t __hash = 0;
1287  const size_t __words = __b.size() / _S_word_bit;
1288  if (__words)
1289  {
1290  const size_t __clength = __words * sizeof(_Bit_type);
1291  __hash = std::_Hash_impl::hash(__b._M_impl._M_start._M_p, __clength);
1292  }
1293 
1294  const size_t __extrabits = __b.size() % _S_word_bit;
1295  if (__extrabits)
1296  {
1297  _Bit_type __hiword = *__b._M_impl._M_finish._M_p;
1298  __hiword &= ~((~static_cast<_Bit_type>(0)) << __extrabits);
1299 
1300  const size_t __clength
1301  = (__extrabits + __CHAR_BIT__ - 1) / __CHAR_BIT__;
1302  if (__words)
1303  __hash = std::_Hash_impl::hash(&__hiword, __clength, __hash);
1304  else
1305  __hash = std::_Hash_impl::hash(&__hiword, __clength);
1306  }
1307 
1308  return __hash;
1309  }
1310 
1311 _GLIBCXX_END_NAMESPACE_VERSION
1312 } // namespace std
1313 
1314 #endif // C++11
1315 
1316 #undef _GLIBCXX_ASAN_ANNOTATE_REINIT
1317 #undef _GLIBCXX_ASAN_ANNOTATE_GROW
1318 #undef _GLIBCXX_ASAN_ANNOTATE_GREW
1319 #undef _GLIBCXX_ASAN_ANNOTATE_SHRINK
1320 
1321 #endif /* _VECTOR_TCC */
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
Definition: move.h:52
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
Definition: move.h:138
_Tp * end(valarray< _Tp > &__va) noexcept
Return an iterator pointing to one past the last element of the valarray.
Definition: valarray:1251
_Tp * begin(valarray< _Tp > &__va) noexcept
Return an iterator pointing to the first element of the valarray.
Definition: valarray:1229
constexpr _BI2 move_backward(_BI1 __first, _BI1 __last, _BI2 __result)
Moves the range [first,last) into result.
Definition: stl_algobase.h:873
constexpr iterator_traits< _Iter >::iterator_category __iterator_category(const _Iter &)
ISO C++ entities toplevel namespace is std.
constexpr iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic.
constexpr auto cend(const _Container &__cont) noexcept(noexcept(std::end(__cont))) -> decltype(std::end(__cont))
Return an iterator pointing to one past the last element of the const container.
Definition: range_access.h:144
constexpr auto size(const _Container &__cont) noexcept(noexcept(__cont.size())) -> decltype(__cont.size())
Return the size of a container.
Definition: range_access.h:274
constexpr void advance(_InputIterator &__i, _Distance __n)
A generalization of pointer arithmetic.
constexpr auto cbegin(const _Container &__cont) noexcept(noexcept(std::begin(__cont))) -> decltype(std::begin(__cont))
Return an iterator pointing to the first element of the const container.
Definition: range_access.h:132
constexpr void _Destroy(_ForwardIterator __first, _ForwardIterator __last)
Marking input iterators.
Forward iterators support a superset of input iterator operations.
Common iterator class.
A standard container which offers fixed time access to individual elements in any order.
Definition: stl_vector.h:459
constexpr iterator end() noexcept
Definition: stl_vector.h:1018
constexpr iterator begin() noexcept
Definition: stl_vector.h:998
constexpr size_type capacity() const noexcept
Definition: stl_vector.h:1208
constexpr void reserve(size_type __n)
Attempt to preallocate enough memory for specified number of elements.
Definition: vector.tcc:68
constexpr size_type size() const noexcept
Definition: stl_vector.h:1117
constexpr vector & operator=(const vector &__x)
Vector assignment operator.
Definition: vector.tcc:211