1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
|
// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP_HASH_SET
#define _LIBCPP_HASH_SET
/*
hash_set synopsis
namespace __gnu_cxx
{
template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
class Alloc = allocator<Value>>
class hash_set
{
public:
// types
typedef Value key_type;
typedef key_type value_type;
typedef Hash hasher;
typedef Pred key_equal;
typedef Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef typename allocator_traits<allocator_type>::pointer pointer;
typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
typedef typename allocator_traits<allocator_type>::size_type size_type;
typedef typename allocator_traits<allocator_type>::difference_type difference_type;
typedef /unspecified/ iterator;
typedef /unspecified/ const_iterator;
explicit hash_set(size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
template <class InputIterator>
hash_set(InputIterator f, InputIterator l,
size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
hash_set(const hash_set&);
~hash_set();
hash_set& operator=(const hash_set&);
allocator_type get_allocator() const;
bool empty() const;
size_type size() const;
size_type max_size() const;
iterator begin();
iterator end();
const_iterator begin() const;
const_iterator end() const;
pair<iterator, bool> insert(const value_type& obj);
template <class InputIterator>
void insert(InputIterator first, InputIterator last);
void erase(const_iterator position);
size_type erase(const key_type& k);
void erase(const_iterator first, const_iterator last);
void clear();
void swap(hash_set&);
hasher hash_funct() const;
key_equal key_eq() const;
iterator find(const key_type& k);
const_iterator find(const key_type& k) const;
size_type count(const key_type& k) const;
pair<iterator, iterator> equal_range(const key_type& k);
pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
size_type bucket_count() const;
size_type max_bucket_count() const;
size_type elems_in_bucket(size_type n) const;
void resize(size_type n);
};
template <class Value, class Hash, class Pred, class Alloc>
void swap(hash_set<Value, Hash, Pred, Alloc>& x,
hash_set<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator==(const hash_set<Value, Hash, Pred, Alloc>& x,
const hash_set<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator!=(const hash_set<Value, Hash, Pred, Alloc>& x,
const hash_set<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
class Alloc = allocator<Value>>
class hash_multiset
{
public:
// types
typedef Value key_type;
typedef key_type value_type;
typedef Hash hasher;
typedef Pred key_equal;
typedef Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
typedef typename allocator_traits<allocator_type>::pointer pointer;
typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
typedef typename allocator_traits<allocator_type>::size_type size_type;
typedef typename allocator_traits<allocator_type>::difference_type difference_type;
typedef /unspecified/ iterator;
typedef /unspecified/ const_iterator;
explicit hash_multiset(size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
template <class InputIterator>
hash_multiset(InputIterator f, InputIterator l,
size_type n = 193, const hasher& hf = hasher(),
const key_equal& eql = key_equal(),
const allocator_type& a = allocator_type());
hash_multiset(const hash_multiset&);
~hash_multiset();
hash_multiset& operator=(const hash_multiset&);
allocator_type get_allocator() const;
bool empty() const;
size_type size() const;
size_type max_size() const;
iterator begin();
iterator end();
const_iterator begin() const;
const_iterator end() const;
iterator insert(const value_type& obj);
template <class InputIterator>
void insert(InputIterator first, InputIterator last);
void erase(const_iterator position);
size_type erase(const key_type& k);
void erase(const_iterator first, const_iterator last);
void clear();
void swap(hash_multiset&);
hasher hash_funct() const;
key_equal key_eq() const;
iterator find(const key_type& k);
const_iterator find(const key_type& k) const;
size_type count(const key_type& k) const;
pair<iterator, iterator> equal_range(const key_type& k);
pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
size_type bucket_count() const;
size_type max_bucket_count() const;
size_type elems_in_bucket(size_type n) const;
void resize(size_type n);
};
template <class Value, class Hash, class Pred, class Alloc>
void swap(hash_multiset<Value, Hash, Pred, Alloc>& x,
hash_multiset<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator==(const hash_multiset<Value, Hash, Pred, Alloc>& x,
const hash_multiset<Value, Hash, Pred, Alloc>& y);
template <class Value, class Hash, class Pred, class Alloc>
bool
operator!=(const hash_multiset<Value, Hash, Pred, Alloc>& x,
const hash_multiset<Value, Hash, Pred, Alloc>& y);
} // __gnu_cxx
*/
#include <__assert> // all public C++ headers provide the assertion handler
#include <__config>
#include <__hash_table>
#include <algorithm>
#include <ext/__hash>
#include <functional>
#if defined(__DEPRECATED) && __DEPRECATED
#if defined(_LIBCPP_WARNING)
_LIBCPP_WARNING("Use of the header <ext/hash_set> is deprecated. Migrate to <unordered_set>")
#else
# warning Use of the header <ext/hash_set> is deprecated. Migrate to <unordered_set>
#endif
#endif
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
namespace __gnu_cxx {
template <class _Value, class _Hash = hash<_Value>, class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value> >
class _LIBCPP_TEMPLATE_VIS hash_set
{
public:
// types
typedef _Value key_type;
typedef key_type value_type;
typedef _Hash hasher;
typedef _Pred key_equal;
typedef _Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
private:
typedef std::__hash_table<value_type, hasher, key_equal, allocator_type> __table;
__table __table_;
public:
typedef typename __table::pointer pointer;
typedef typename __table::const_pointer const_pointer;
typedef typename __table::size_type size_type;
typedef typename __table::difference_type difference_type;
typedef typename __table::const_iterator iterator;
typedef typename __table::const_iterator const_iterator;
_LIBCPP_INLINE_VISIBILITY
hash_set() { }
_LIBCPP_HIDE_FROM_ABI explicit hash_set(size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
_LIBCPP_HIDE_FROM_ABI hash_set(size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a);
template <class _InputIterator>
_LIBCPP_HIDE_FROM_ABI hash_set(_InputIterator __first, _InputIterator __last);
template <class _InputIterator>
_LIBCPP_HIDE_FROM_ABI hash_set(_InputIterator __first, _InputIterator __last,
size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
template <class _InputIterator>
_LIBCPP_HIDE_FROM_ABI hash_set(_InputIterator __first, _InputIterator __last,
size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a);
_LIBCPP_HIDE_FROM_ABI hash_set(const hash_set& __u);
_LIBCPP_INLINE_VISIBILITY
allocator_type get_allocator() const
{return allocator_type(__table_.__node_alloc());}
_LIBCPP_INLINE_VISIBILITY
bool empty() const {return __table_.size() == 0;}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return __table_.size();}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const {return __table_.max_size();}
_LIBCPP_INLINE_VISIBILITY
iterator begin() {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
iterator end() {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
std::pair<iterator, bool> insert(const value_type& __x)
{return __table_.__insert_unique(__x);}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator, const value_type& __x) {return insert(__x).first;}
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
void insert(_InputIterator __first, _InputIterator __last);
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __p) {__table_.erase(__p);}
_LIBCPP_INLINE_VISIBILITY
size_type erase(const key_type& __k) {return __table_.__erase_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __first, const_iterator __last)
{__table_.erase(__first, __last);}
_LIBCPP_INLINE_VISIBILITY
void clear() {__table_.clear();}
_LIBCPP_INLINE_VISIBILITY
void swap(hash_set& __u) {__table_.swap(__u.__table_);}
_LIBCPP_INLINE_VISIBILITY
hasher hash_funct() const {return __table_.hash_function();}
_LIBCPP_INLINE_VISIBILITY
key_equal key_eq() const {return __table_.key_eq();}
_LIBCPP_INLINE_VISIBILITY
iterator find(const key_type& __k) {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator find(const key_type& __k) const {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type count(const key_type& __k) const {return __table_.__count_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
std::pair<iterator, iterator> equal_range(const key_type& __k)
{return __table_.__equal_range_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
std::pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
{return __table_.__equal_range_unique(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type bucket_count() const {return __table_.bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type max_bucket_count() const {return __table_.max_bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);}
_LIBCPP_INLINE_VISIBILITY
void resize(size_type __n) {__table_.__rehash_unique(__n);}
};
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n,
const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.__rehash_unique(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n,
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.__rehash_unique(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
_InputIterator __first, _InputIterator __last)
{
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.__rehash_unique(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.__rehash_unique(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
const hash_set& __u)
: __table_(__u.__table_)
{
__table_.__rehash_unique(__u.bucket_count());
insert(__u.begin(), __u.end());
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
inline
void
hash_set<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
_InputIterator __last)
{
for (; __first != __last; ++__first)
__table_.__insert_unique(*__first);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
{
__x.swap(__y);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
_LIBCPP_HIDE_FROM_ABI bool
operator==(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
{
if (__x.size() != __y.size())
return false;
typedef typename hash_set<_Value, _Hash, _Pred, _Alloc>::const_iterator
const_iterator;
for (const_iterator __i = __x.begin(), __ex = __x.end(), __ey = __y.end();
__i != __ex; ++__i)
{
const_iterator __j = __y.find(*__i);
if (__j == __ey || !(*__i == *__j))
return false;
}
return true;
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
{
return !(__x == __y);
}
template <class _Value, class _Hash = hash<_Value>, class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value> >
class _LIBCPP_TEMPLATE_VIS hash_multiset
{
public:
// types
typedef _Value key_type;
typedef key_type value_type;
typedef _Hash hasher;
typedef _Pred key_equal;
typedef _Alloc allocator_type;
typedef value_type& reference;
typedef const value_type& const_reference;
private:
typedef std::__hash_table<value_type, hasher, key_equal, allocator_type> __table;
__table __table_;
public:
typedef typename __table::pointer pointer;
typedef typename __table::const_pointer const_pointer;
typedef typename __table::size_type size_type;
typedef typename __table::difference_type difference_type;
typedef typename __table::const_iterator iterator;
typedef typename __table::const_iterator const_iterator;
_LIBCPP_INLINE_VISIBILITY
hash_multiset() { }
explicit _LIBCPP_HIDE_FROM_ABI hash_multiset(size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
_LIBCPP_HIDE_FROM_ABI hash_multiset(size_type __n, const hasher& __hf,
const key_equal& __eql, const allocator_type& __a);
template <class _InputIterator>
_LIBCPP_HIDE_FROM_ABI hash_multiset(_InputIterator __first, _InputIterator __last);
template <class _InputIterator>
_LIBCPP_HIDE_FROM_ABI hash_multiset(_InputIterator __first, _InputIterator __last,
size_type __n, const hasher& __hf = hasher(),
const key_equal& __eql = key_equal());
template <class _InputIterator>
_LIBCPP_HIDE_FROM_ABI hash_multiset(_InputIterator __first, _InputIterator __last,
size_type __n , const hasher& __hf,
const key_equal& __eql, const allocator_type& __a);
_LIBCPP_HIDE_FROM_ABI hash_multiset(const hash_multiset& __u);
_LIBCPP_INLINE_VISIBILITY
allocator_type get_allocator() const
{return allocator_type(__table_.__node_alloc());}
_LIBCPP_INLINE_VISIBILITY
bool empty() const {return __table_.size() == 0;}
_LIBCPP_INLINE_VISIBILITY
size_type size() const {return __table_.size();}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const {return __table_.max_size();}
_LIBCPP_INLINE_VISIBILITY
iterator begin() {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
iterator end() {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
const_iterator begin() const {return __table_.begin();}
_LIBCPP_INLINE_VISIBILITY
const_iterator end() const {return __table_.end();}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);}
_LIBCPP_INLINE_VISIBILITY
iterator insert(const_iterator, const value_type& __x) {return insert(__x);}
template <class _InputIterator>
_LIBCPP_INLINE_VISIBILITY
void insert(_InputIterator __first, _InputIterator __last);
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __p) {__table_.erase(__p);}
_LIBCPP_INLINE_VISIBILITY
size_type erase(const key_type& __k) {return __table_.__erase_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
void erase(const_iterator __first, const_iterator __last)
{__table_.erase(__first, __last);}
_LIBCPP_INLINE_VISIBILITY
void clear() {__table_.clear();}
_LIBCPP_INLINE_VISIBILITY
void swap(hash_multiset& __u) {__table_.swap(__u.__table_);}
_LIBCPP_INLINE_VISIBILITY
hasher hash_funct() const {return __table_.hash_function();}
_LIBCPP_INLINE_VISIBILITY
key_equal key_eq() const {return __table_.key_eq();}
_LIBCPP_INLINE_VISIBILITY
iterator find(const key_type& __k) {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
const_iterator find(const key_type& __k) const {return __table_.find(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type count(const key_type& __k) const {return __table_.__count_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
std::pair<iterator, iterator> equal_range(const key_type& __k)
{return __table_.__equal_range_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
std::pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
{return __table_.__equal_range_multi(__k);}
_LIBCPP_INLINE_VISIBILITY
size_type bucket_count() const {return __table_.bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type max_bucket_count() const {return __table_.max_bucket_count();}
_LIBCPP_INLINE_VISIBILITY
size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);}
_LIBCPP_INLINE_VISIBILITY
void resize(size_type __n) {__table_.__rehash_multi(__n);}
};
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
size_type __n, const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.__rehash_multi(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
size_type __n, const hasher& __hf, const key_equal& __eql,
const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.__rehash_multi(__n);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
_InputIterator __first, _InputIterator __last)
{
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql)
: __table_(__hf, __eql)
{
__table_.__rehash_multi(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
_InputIterator __first, _InputIterator __last, size_type __n,
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
: __table_(__hf, __eql, __a)
{
__table_.__rehash_multi(__n);
insert(__first, __last);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
const hash_multiset& __u)
: __table_(__u.__table_)
{
__table_.__rehash_multi(__u.bucket_count());
insert(__u.begin(), __u.end());
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
template <class _InputIterator>
inline
void
hash_multiset<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
_InputIterator __last)
{
for (; __first != __last; ++__first)
__table_.__insert_multi(*__first);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
void
swap(hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{
__x.swap(__y);
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
_LIBCPP_HIDE_FROM_ABI bool
operator==(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{
if (__x.size() != __y.size())
return false;
typedef typename hash_multiset<_Value, _Hash, _Pred, _Alloc>::const_iterator
const_iterator;
typedef std::pair<const_iterator, const_iterator> _EqRng;
for (const_iterator __i = __x.begin(), __ex = __x.end(); __i != __ex;)
{
_EqRng __xeq = __x.equal_range(*__i);
_EqRng __yeq = __y.equal_range(*__i);
if (_VSTD::distance(__xeq.first, __xeq.second) !=
_VSTD::distance(__yeq.first, __yeq.second) ||
!_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
return false;
__i = __xeq.second;
}
return true;
}
template <class _Value, class _Hash, class _Pred, class _Alloc>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{
return !(__x == __y);
}
} // namespace __gnu_cxx
#if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20
# include <concepts>
# include <iterator>
# include <type_traits>
#endif
#endif // _LIBCPP_HASH_SET
|
