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
672
673
674
675
676
677
678
679
680
681
682
683
684
|
// -*- C++ -*-
//===-------------------------- scoped_allocator --------------------------===//
//
// 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_SCOPED_ALLOCATOR
#define _LIBCPP_SCOPED_ALLOCATOR
/*
scoped_allocator synopsis
namespace std
{
template <class OuterAlloc, class... InnerAllocs>
class scoped_allocator_adaptor : public OuterAlloc
{
typedef allocator_traits<OuterAlloc> OuterTraits; // exposition only
scoped_allocator_adaptor<InnerAllocs...> inner; // exposition only
public:
typedef OuterAlloc outer_allocator_type;
typedef see below inner_allocator_type;
typedef typename OuterTraits::value_type value_type;
typedef typename OuterTraits::size_type size_type;
typedef typename OuterTraits::difference_type difference_type;
typedef typename OuterTraits::pointer pointer;
typedef typename OuterTraits::const_pointer const_pointer;
typedef typename OuterTraits::void_pointer void_pointer;
typedef typename OuterTraits::const_void_pointer const_void_pointer;
typedef see below propagate_on_container_copy_assignment;
typedef see below propagate_on_container_move_assignment;
typedef see below propagate_on_container_swap;
typedef see below is_always_equal;
template <class Tp>
struct rebind
{
typedef scoped_allocator_adaptor<
OuterTraits::template rebind_alloc<Tp>, InnerAllocs...> other;
};
scoped_allocator_adaptor();
template <class OuterA2>
scoped_allocator_adaptor(OuterA2&& outerAlloc,
const InnerAllocs&... innerAllocs) noexcept;
scoped_allocator_adaptor(const scoped_allocator_adaptor& other) noexcept;
scoped_allocator_adaptor(scoped_allocator_adaptor&& other) noexcept;
template <class OuterA2>
scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& other) noexcept;
template <class OuterA2>
scoped_allocator_adaptor(const scoped_allocator_adaptor<OuterA2, InnerAllocs...>&& other) noexcept;
scoped_allocator_adaptor& operator=(const scoped_allocator_adaptor&) = default;
scoped_allocator_adaptor& operator=(scoped_allocator_adaptor&&) = default;
~scoped_allocator_adaptor();
inner_allocator_type& inner_allocator() noexcept;
const inner_allocator_type& inner_allocator() const noexcept;
outer_allocator_type& outer_allocator() noexcept;
const outer_allocator_type& outer_allocator() const noexcept;
pointer allocate(size_type n); // [[nodiscard]] in C++20
pointer allocate(size_type n, const_void_pointer hint); // [[nodiscard]] in C++20
void deallocate(pointer p, size_type n) noexcept;
size_type max_size() const;
template <class T, class... Args> void construct(T* p, Args&& args);
template <class T1, class T2, class... Args1, class... Args2>
void construct(pair<T1, T2>* p, piecewise_construct t, tuple<Args1...> x,
tuple<Args2...> y);
template <class T1, class T2>
void construct(pair<T1, T2>* p);
template <class T1, class T2, class U, class V>
void construct(pair<T1, T2>* p, U&& x, V&& y);
template <class T1, class T2, class U, class V>
void construct(pair<T1, T2>* p, const pair<U, V>& x);
template <class T1, class T2, class U, class V>
void construct(pair<T1, T2>* p, pair<U, V>&& x);
template <class T> void destroy(T* p);
template <class T> void destroy(T* p) noexcept;
scoped_allocator_adaptor select_on_container_copy_construction() const noexcept;
};
template <class OuterA1, class OuterA2, class... InnerAllocs>
bool
operator==(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b) noexcept;
template <class OuterA1, class OuterA2, class... InnerAllocs>
bool
operator!=(const scoped_allocator_adaptor<OuterA1, InnerAllocs...>& a,
const scoped_allocator_adaptor<OuterA2, InnerAllocs...>& b) noexcept;
} // std
*/
#include <__config>
#include <__utility/forward.h>
#include <memory>
#include <version>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
#pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
#if !defined(_LIBCPP_CXX03_LANG)
// scoped_allocator_adaptor
template <class ..._Allocs>
class scoped_allocator_adaptor;
template <class ..._Allocs> struct __get_poc_copy_assignment;
template <class _A0>
struct __get_poc_copy_assignment<_A0>
{
static const bool value = allocator_traits<_A0>::
propagate_on_container_copy_assignment::value;
};
template <class _A0, class ..._Allocs>
struct __get_poc_copy_assignment<_A0, _Allocs...>
{
static const bool value =
allocator_traits<_A0>::propagate_on_container_copy_assignment::value ||
__get_poc_copy_assignment<_Allocs...>::value;
};
template <class ..._Allocs> struct __get_poc_move_assignment;
template <class _A0>
struct __get_poc_move_assignment<_A0>
{
static const bool value = allocator_traits<_A0>::
propagate_on_container_move_assignment::value;
};
template <class _A0, class ..._Allocs>
struct __get_poc_move_assignment<_A0, _Allocs...>
{
static const bool value =
allocator_traits<_A0>::propagate_on_container_move_assignment::value ||
__get_poc_move_assignment<_Allocs...>::value;
};
template <class ..._Allocs> struct __get_poc_swap;
template <class _A0>
struct __get_poc_swap<_A0>
{
static const bool value = allocator_traits<_A0>::
propagate_on_container_swap::value;
};
template <class _A0, class ..._Allocs>
struct __get_poc_swap<_A0, _Allocs...>
{
static const bool value =
allocator_traits<_A0>::propagate_on_container_swap::value ||
__get_poc_swap<_Allocs...>::value;
};
template <class ..._Allocs> struct __get_is_always_equal;
template <class _A0>
struct __get_is_always_equal<_A0>
{
static const bool value = allocator_traits<_A0>::is_always_equal::value;
};
template <class _A0, class ..._Allocs>
struct __get_is_always_equal<_A0, _Allocs...>
{
static const bool value =
allocator_traits<_A0>::is_always_equal::value &&
__get_is_always_equal<_Allocs...>::value;
};
template <class ..._Allocs>
class __scoped_allocator_storage;
template <class _OuterAlloc, class... _InnerAllocs>
class __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...>
: public _OuterAlloc
{
typedef _OuterAlloc outer_allocator_type;
protected:
typedef scoped_allocator_adaptor<_InnerAllocs...> inner_allocator_type;
private:
inner_allocator_type __inner_;
protected:
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage() _NOEXCEPT {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __outerAlloc,
const _InnerAllocs& ...__innerAllocs) _NOEXCEPT
: outer_allocator_type(_VSTD::forward<_OuterA2>(__outerAlloc)),
__inner_(__innerAllocs...) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
const __scoped_allocator_storage<_OuterA2, _InnerAllocs...>& __other) _NOEXCEPT
: outer_allocator_type(__other.outer_allocator()),
__inner_(__other.inner_allocator()) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
__scoped_allocator_storage<_OuterA2, _InnerAllocs...>&& __other) _NOEXCEPT
: outer_allocator_type(_VSTD::move(__other.outer_allocator())),
__inner_(_VSTD::move(__other.inner_allocator())) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __o,
const inner_allocator_type& __i) _NOEXCEPT
: outer_allocator_type(_VSTD::forward<_OuterA2>(__o)),
__inner_(__i)
{
}
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator() _NOEXCEPT {return __inner_;}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const _NOEXCEPT {return __inner_;}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator() _NOEXCEPT
{return static_cast<outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const _NOEXCEPT
{return static_cast<const outer_allocator_type&>(*this);}
scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
_LIBCPP_INLINE_VISIBILITY
select_on_container_copy_construction() const _NOEXCEPT
{
return scoped_allocator_adaptor<outer_allocator_type, _InnerAllocs...>
(
allocator_traits<outer_allocator_type>::
select_on_container_copy_construction(outer_allocator()),
allocator_traits<inner_allocator_type>::
select_on_container_copy_construction(inner_allocator())
);
}
template <class...> friend class __scoped_allocator_storage;
};
template <class _OuterAlloc>
class __scoped_allocator_storage<_OuterAlloc>
: public _OuterAlloc
{
typedef _OuterAlloc outer_allocator_type;
protected:
typedef scoped_allocator_adaptor<_OuterAlloc> inner_allocator_type;
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage() _NOEXCEPT {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(_OuterA2&& __outerAlloc) _NOEXCEPT
: outer_allocator_type(_VSTD::forward<_OuterA2>(__outerAlloc)) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
const __scoped_allocator_storage<_OuterA2>& __other) _NOEXCEPT
: outer_allocator_type(__other.outer_allocator()) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
__scoped_allocator_storage(
__scoped_allocator_storage<_OuterA2>&& __other) _NOEXCEPT
: outer_allocator_type(_VSTD::move(__other.outer_allocator())) {}
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator() _NOEXCEPT
{return static_cast<inner_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const _NOEXCEPT
{return static_cast<const inner_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator() _NOEXCEPT
{return static_cast<outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const _NOEXCEPT
{return static_cast<const outer_allocator_type&>(*this);}
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor<outer_allocator_type>
select_on_container_copy_construction() const _NOEXCEPT
{return scoped_allocator_adaptor<outer_allocator_type>(
allocator_traits<outer_allocator_type>::
select_on_container_copy_construction(outer_allocator())
);}
__scoped_allocator_storage(const outer_allocator_type& __o,
const inner_allocator_type& __i) _NOEXCEPT;
template <class...> friend class __scoped_allocator_storage;
};
// __outermost
template <class _Alloc>
decltype(declval<_Alloc>().outer_allocator(), true_type())
__has_outer_allocator_test(_Alloc&& __a);
template <class _Alloc>
false_type
__has_outer_allocator_test(const volatile _Alloc& __a);
template <class _Alloc>
struct __has_outer_allocator
: public common_type
<
decltype(__has_outer_allocator_test(declval<_Alloc&>()))
>::type
{
};
template <class _Alloc, bool = __has_outer_allocator<_Alloc>::value>
struct __outermost
{
typedef _Alloc type;
_LIBCPP_INLINE_VISIBILITY
type& operator()(type& __a) const _NOEXCEPT {return __a;}
};
template <class _Alloc>
struct __outermost<_Alloc, true>
{
typedef typename remove_reference
<
decltype(declval<_Alloc>().outer_allocator())
>::type _OuterAlloc;
typedef typename __outermost<_OuterAlloc>::type type;
_LIBCPP_INLINE_VISIBILITY
type& operator()(_Alloc& __a) const _NOEXCEPT
{return __outermost<_OuterAlloc>()(__a.outer_allocator());}
};
template <class _OuterAlloc, class... _InnerAllocs>
class _LIBCPP_TEMPLATE_VIS scoped_allocator_adaptor<_OuterAlloc, _InnerAllocs...>
: public __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...>
{
typedef __scoped_allocator_storage<_OuterAlloc, _InnerAllocs...> base;
typedef allocator_traits<_OuterAlloc> _OuterTraits;
public:
typedef _OuterAlloc outer_allocator_type;
typedef typename base::inner_allocator_type inner_allocator_type;
typedef typename _OuterTraits::size_type size_type;
typedef typename _OuterTraits::difference_type difference_type;
typedef typename _OuterTraits::pointer pointer;
typedef typename _OuterTraits::const_pointer const_pointer;
typedef typename _OuterTraits::void_pointer void_pointer;
typedef typename _OuterTraits::const_void_pointer const_void_pointer;
typedef integral_constant
<
bool,
__get_poc_copy_assignment<outer_allocator_type,
_InnerAllocs...>::value
> propagate_on_container_copy_assignment;
typedef integral_constant
<
bool,
__get_poc_move_assignment<outer_allocator_type,
_InnerAllocs...>::value
> propagate_on_container_move_assignment;
typedef integral_constant
<
bool,
__get_poc_swap<outer_allocator_type, _InnerAllocs...>::value
> propagate_on_container_swap;
typedef integral_constant
<
bool,
__get_is_always_equal<outer_allocator_type, _InnerAllocs...>::value
> is_always_equal;
template <class _Tp>
struct rebind
{
typedef scoped_allocator_adaptor
<
typename _OuterTraits::template rebind_alloc<_Tp>, _InnerAllocs...
> other;
};
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor() _NOEXCEPT {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(_OuterA2&& __outerAlloc,
const _InnerAllocs& ...__innerAllocs) _NOEXCEPT
: base(_VSTD::forward<_OuterA2>(__outerAlloc), __innerAllocs...) {}
// scoped_allocator_adaptor(const scoped_allocator_adaptor& __other) = default;
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, const _OuterA2&>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(
const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __other) _NOEXCEPT
: base(__other) {}
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(
scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>&& __other) _NOEXCEPT
: base(_VSTD::move(__other)) {}
// scoped_allocator_adaptor& operator=(const scoped_allocator_adaptor&) = default;
// scoped_allocator_adaptor& operator=(scoped_allocator_adaptor&&) = default;
// ~scoped_allocator_adaptor() = default;
_LIBCPP_INLINE_VISIBILITY
inner_allocator_type& inner_allocator() _NOEXCEPT
{return base::inner_allocator();}
_LIBCPP_INLINE_VISIBILITY
const inner_allocator_type& inner_allocator() const _NOEXCEPT
{return base::inner_allocator();}
_LIBCPP_INLINE_VISIBILITY
outer_allocator_type& outer_allocator() _NOEXCEPT
{return base::outer_allocator();}
_LIBCPP_INLINE_VISIBILITY
const outer_allocator_type& outer_allocator() const _NOEXCEPT
{return base::outer_allocator();}
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
pointer allocate(size_type __n)
{return allocator_traits<outer_allocator_type>::
allocate(outer_allocator(), __n);}
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
pointer allocate(size_type __n, const_void_pointer __hint)
{return allocator_traits<outer_allocator_type>::
allocate(outer_allocator(), __n, __hint);}
_LIBCPP_INLINE_VISIBILITY
void deallocate(pointer __p, size_type __n) _NOEXCEPT
{allocator_traits<outer_allocator_type>::
deallocate(outer_allocator(), __p, __n);}
_LIBCPP_INLINE_VISIBILITY
size_type max_size() const
{return allocator_traits<outer_allocator_type>::max_size(outer_allocator());}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void construct(_Tp* __p, _Args&& ...__args)
{__construct(__uses_alloc_ctor<_Tp, inner_allocator_type&, _Args...>(),
__p, _VSTD::forward<_Args>(__args)...);}
template <class _T1, class _T2, class... _Args1, class... _Args2>
void construct(pair<_T1, _T2>* __p, piecewise_construct_t,
tuple<_Args1...> __x, tuple<_Args2...> __y)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::construct(
_OM()(outer_allocator()), __p, piecewise_construct
, __transform_tuple(
typename __uses_alloc_ctor<
_T1, inner_allocator_type&, _Args1...
>::type()
, _VSTD::move(__x)
, typename __make_tuple_indices<sizeof...(_Args1)>::type{}
)
, __transform_tuple(
typename __uses_alloc_ctor<
_T2, inner_allocator_type&, _Args2...
>::type()
, _VSTD::move(__y)
, typename __make_tuple_indices<sizeof...(_Args2)>::type{}
)
);
}
template <class _T1, class _T2>
void construct(pair<_T1, _T2>* __p)
{ construct(__p, piecewise_construct, tuple<>{}, tuple<>{}); }
template <class _T1, class _T2, class _Up, class _Vp>
void construct(pair<_T1, _T2>* __p, _Up&& __x, _Vp&& __y) {
construct(__p, piecewise_construct,
_VSTD::forward_as_tuple(_VSTD::forward<_Up>(__x)),
_VSTD::forward_as_tuple(_VSTD::forward<_Vp>(__y)));
}
template <class _T1, class _T2, class _Up, class _Vp>
void construct(pair<_T1, _T2>* __p, const pair<_Up, _Vp>& __x) {
construct(__p, piecewise_construct,
_VSTD::forward_as_tuple(__x.first),
_VSTD::forward_as_tuple(__x.second));
}
template <class _T1, class _T2, class _Up, class _Vp>
void construct(pair<_T1, _T2>* __p, pair<_Up, _Vp>&& __x) {
construct(__p, piecewise_construct,
_VSTD::forward_as_tuple(_VSTD::forward<_Up>(__x.first)),
_VSTD::forward_as_tuple(_VSTD::forward<_Vp>(__x.second)));
}
template <class _Tp>
_LIBCPP_INLINE_VISIBILITY
void destroy(_Tp* __p)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::
destroy(_OM()(outer_allocator()), __p);
}
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor select_on_container_copy_construction() const _NOEXCEPT
{return base::select_on_container_copy_construction();}
private:
template <class _OuterA2,
class = typename enable_if<
is_constructible<outer_allocator_type, _OuterA2>::value
>::type>
_LIBCPP_INLINE_VISIBILITY
scoped_allocator_adaptor(_OuterA2&& __o,
const inner_allocator_type& __i) _NOEXCEPT
: base(_VSTD::forward<_OuterA2>(__o), __i) {}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 0>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::construct
(
_OM()(outer_allocator()),
__p,
_VSTD::forward<_Args>(__args)...
);
}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 1>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::construct
(
_OM()(outer_allocator()),
__p, allocator_arg, inner_allocator(),
_VSTD::forward<_Args>(__args)...
);
}
template <class _Tp, class... _Args>
_LIBCPP_INLINE_VISIBILITY
void __construct(integral_constant<int, 2>, _Tp* __p, _Args&& ...__args)
{
typedef __outermost<outer_allocator_type> _OM;
allocator_traits<typename _OM::type>::construct
(
_OM()(outer_allocator()),
__p,
_VSTD::forward<_Args>(__args)...,
inner_allocator()
);
}
template <class ..._Args, size_t ..._Idx>
_LIBCPP_INLINE_VISIBILITY
tuple<_Args&&...>
__transform_tuple(integral_constant<int, 0>, tuple<_Args...>&& __t,
__tuple_indices<_Idx...>)
{
return _VSTD::forward_as_tuple(_VSTD::get<_Idx>(_VSTD::move(__t))...);
}
template <class ..._Args, size_t ..._Idx>
_LIBCPP_INLINE_VISIBILITY
tuple<allocator_arg_t, inner_allocator_type&, _Args&&...>
__transform_tuple(integral_constant<int, 1>, tuple<_Args...> && __t,
__tuple_indices<_Idx...>)
{
using _Tup = tuple<allocator_arg_t, inner_allocator_type&, _Args&&...>;
return _Tup(allocator_arg, inner_allocator(),
_VSTD::get<_Idx>(_VSTD::move(__t))...);
}
template <class ..._Args, size_t ..._Idx>
_LIBCPP_INLINE_VISIBILITY
tuple<_Args&&..., inner_allocator_type&>
__transform_tuple(integral_constant<int, 2>, tuple<_Args...> && __t,
__tuple_indices<_Idx...>)
{
using _Tup = tuple<_Args&&..., inner_allocator_type&>;
return _Tup(_VSTD::get<_Idx>(_VSTD::move(__t))..., inner_allocator());
}
template <class...> friend class __scoped_allocator_storage;
};
template <class _OuterA1, class _OuterA2>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const scoped_allocator_adaptor<_OuterA1>& __a,
const scoped_allocator_adaptor<_OuterA2>& __b) _NOEXCEPT
{
return __a.outer_allocator() == __b.outer_allocator();
}
template <class _OuterA1, class _OuterA2, class _InnerA0, class... _InnerAllocs>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator==(const scoped_allocator_adaptor<_OuterA1, _InnerA0, _InnerAllocs...>& __a,
const scoped_allocator_adaptor<_OuterA2, _InnerA0, _InnerAllocs...>& __b) _NOEXCEPT
{
return __a.outer_allocator() == __b.outer_allocator() &&
__a.inner_allocator() == __b.inner_allocator();
}
template <class _OuterA1, class _OuterA2, class... _InnerAllocs>
inline _LIBCPP_INLINE_VISIBILITY
bool
operator!=(const scoped_allocator_adaptor<_OuterA1, _InnerAllocs...>& __a,
const scoped_allocator_adaptor<_OuterA2, _InnerAllocs...>& __b) _NOEXCEPT
{
return !(__a == __b);
}
#endif // !defined(_LIBCPP_CXX03_LANG)
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP_SCOPED_ALLOCATOR
|
