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1 /*
2  *
3  * Copyright (c) 1994
4  * Hewlett-Packard Company
5  *
6  * Copyright (c) 1996,1997
7  * Silicon Graphics Computer Systems, Inc.
8  *
9  * Copyright (c) 1997
10  * Moscow Center for SPARC Technology
11  *
12  * Copyright (c) 1999
13  * Boris Fomitchev
14  *
15  * This material is provided "as is", with absolutely no warranty expressed
16  * or implied. Any use is at your own risk.
17  *
18  * Permission to use or copy this software for any purpose is hereby granted
19  * without fee, provided the above notices are retained on all copies.
20  * Permission to modify the code and to distribute modified code is granted,
21  * provided the above notices are retained, and a notice that the code was
22  * modified is included with the above copyright notice.
23  *
24  */
25 
26 /* NOTE: This is an internal header file, included by other STL headers.
27  *   You should not attempt to use it directly.
28  */
29 
30 #ifndef _STLP_INTERNAL_DEQUE_H
31 #define _STLP_INTERNAL_DEQUE_H
32 
33 #ifndef _STLP_INTERNAL_ALGOBASE_H
34 #  include <stl/_algobase.h>
35 #endif
36 
37 #ifndef _STLP_INTERNAL_ALLOC_H
38 #  include <stl/_alloc.h>
39 #endif
40 
41 #ifndef _STLP_INTERNAL_ITERATOR_H
42 #  include <stl/_iterator.h>
43 #endif
44 
45 #ifndef _STLP_INTERNAL_UNINITIALIZED_H
46 #  include <stl/_uninitialized.h>
47 #endif
48 
49 #ifndef _STLP_RANGE_ERRORS_H
50 #  include <stl/_range_errors.h>
51 #endif
52 
53 /* Class invariants:
54  *  For any nonsingular iterator i:
55  *    i.node is the address of an element in the map array.  The
56  *      contents of i.node is a pointer to the beginning of a node.
57  *    i.first == *(i.node)
58  *    i.last  == i.first + node_size
59  *    i.cur is a pointer in the range [i.first, i.last).  NOTE:
60  *      the implication of this is that i.cur is always a dereferenceable
61  *      pointer, even if i is a past-the-end iterator.
62  *  Start and Finish are always nonsingular iterators.  NOTE: this means
63  *    that an empty deque must have one node, and that a deque
64  *    with N elements, where N is the buffer size, must have two nodes.
65  *  For every node other than start.node and finish.node, every element
66  *    in the node is an initialized object.  If start.node == finish.node,
67  *    then [start.cur, finish.cur) are initialized objects, and
68  *    the elements outside that range are uninitialized storage.  Otherwise,
69  *    [start.cur, start.last) and [finish.first, finish.cur) are initialized
70  *    objects, and [start.first, start.cur) and [finish.cur, finish.last)
71  *    are uninitialized storage.
72  *  [map, map + map_size) is a valid, non-empty range.
73  *  [start.node, finish.node] is a valid range contained within
74  *    [map, map + map_size).
75  *  A pointer in the range [map, map + map_size) points to an allocated node
76  *    if and only if the pointer is in the range [start.node, finish.node].
77  */
78 
79 _STLP_BEGIN_NAMESPACE
80 
81 _STLP_MOVE_TO_PRIV_NAMESPACE
82 
83 template <class _Tp>
84 struct _Deque_iterator_base {
85 
_S_buffer_size_Deque_iterator_base86   static size_t _S_buffer_size() {
87     const size_t blocksize = _MAX_BYTES;
88     return (sizeof(_Tp) < blocksize ? (blocksize / sizeof(_Tp)) : 1);
89   }
90 
91   typedef random_access_iterator_tag iterator_category;
92 
93   typedef _Tp value_type;
94   typedef size_t size_type;
95   typedef ptrdiff_t difference_type;
96 
97   typedef value_type** _Map_pointer;
98 
99   typedef _Deque_iterator_base< _Tp > _Self;
100 
101   value_type* _M_cur;
102   value_type* _M_first;
103   value_type* _M_last;
104   _Map_pointer _M_node;
105 
_Deque_iterator_base_Deque_iterator_base106   _Deque_iterator_base(value_type* __x, _Map_pointer __y)
107     : _M_cur(__x), _M_first(*__y),
108       _M_last(*__y + _S_buffer_size()), _M_node(__y) {}
109 
_Deque_iterator_base_Deque_iterator_base110   _Deque_iterator_base() : _M_cur(0), _M_first(0), _M_last(0), _M_node(0) {}
111 
112 // see comment in doc/README.evc4 and doc/README.evc8
113 #if defined (_STLP_MSVC) && (_STLP_MSVC <= 1401) && defined (MIPS) && defined (NDEBUG)
_Deque_iterator_base_Deque_iterator_base114   _Deque_iterator_base(_Deque_iterator_base const& __other)
115   : _M_cur(__other._M_cur), _M_first(__other._M_first),
116     _M_last(__other._M_last), _M_node(__other._M_node) {}
117 #endif
118 
_M_subtract_Deque_iterator_base119   difference_type _M_subtract(const _Self& __x) const {
120     return difference_type(_S_buffer_size()) * (_M_node - __x._M_node - 1) +
121       (_M_cur - _M_first) + (__x._M_last - __x._M_cur);
122   }
123 
_M_increment_Deque_iterator_base124   void _M_increment() {
125     if (++_M_cur == _M_last) {
126       _M_set_node(_M_node + 1);
127       _M_cur = _M_first;
128     }
129   }
130 
_M_decrement_Deque_iterator_base131   void _M_decrement() {
132     if (_M_cur == _M_first) {
133       _M_set_node(_M_node - 1);
134       _M_cur = _M_last;
135     }
136     --_M_cur;
137   }
138 
_M_advance_Deque_iterator_base139   void _M_advance(difference_type __n) {
140     const size_t buffersize = _S_buffer_size();
141     difference_type __offset = __n + (_M_cur - _M_first);
142     if (__offset >= 0 && __offset < difference_type(buffersize))
143       _M_cur += __n;
144     else {
145       difference_type __node_offset =
146         __offset > 0 ? __offset / buffersize
147                    : -difference_type((-__offset - 1) / buffersize) - 1;
148       _M_set_node(_M_node + __node_offset);
149       _M_cur = _M_first +
150 
151         (__offset - __node_offset * difference_type(buffersize));
152     }
153   }
154 
_M_set_node_Deque_iterator_base155   void _M_set_node(_Map_pointer __new_node) {
156     _M_last = (_M_first = *(_M_node = __new_node)) + difference_type(_S_buffer_size());
157   }
158 };
159 
160 
161 template <class _Tp, class _Traits>
162 struct _Deque_iterator : public _Deque_iterator_base< _Tp> {
163   typedef random_access_iterator_tag iterator_category;
164   typedef _Tp value_type;
165   typedef typename _Traits::reference  reference;
166   typedef typename _Traits::pointer    pointer;
167   typedef size_t size_type;
168   typedef ptrdiff_t difference_type;
169   typedef value_type** _Map_pointer;
170 
171   typedef _Deque_iterator_base< _Tp > _Base;
172   typedef _Deque_iterator<_Tp, _Traits> _Self;
173   typedef typename _Traits::_NonConstTraits     _NonConstTraits;
174   typedef _Deque_iterator<_Tp, _NonConstTraits> iterator;
175   typedef typename _Traits::_ConstTraits        _ConstTraits;
176   typedef _Deque_iterator<_Tp, _ConstTraits>    const_iterator;
177 
_Deque_iterator_Deque_iterator178   _Deque_iterator(value_type* __x, _Map_pointer __y) :
179     _Deque_iterator_base<value_type>(__x,__y) {}
180 
_Deque_iterator_Deque_iterator181   _Deque_iterator() {}
182   //copy constructor for iterator and constructor from iterator for const_iterator
_Deque_iterator_Deque_iterator183   _Deque_iterator(const iterator& __x) :
184     _Deque_iterator_base<value_type>(__x) {}
185 
186   reference operator*() const {
187     return *this->_M_cur;
188   }
189 
190   _STLP_DEFINE_ARROW_OPERATOR
191 
192   difference_type operator-(const const_iterator& __x) const { return this->_M_subtract(__x); }
193 
194   _Self& operator++() { this->_M_increment(); return *this; }
195   _Self operator++(int)  {
196     _Self __tmp = *this;
197     ++*this;
198     return __tmp;
199   }
200 
201   _Self& operator--() { this->_M_decrement(); return *this; }
202   _Self operator--(int) {
203     _Self __tmp = *this;
204     --*this;
205     return __tmp;
206   }
207 
208   _Self& operator+=(difference_type __n) { this->_M_advance(__n); return *this; }
209   _Self operator+(difference_type __n) const {
210     _Self __tmp = *this;
211     return __tmp += __n;
212   }
213 
214   _Self& operator-=(difference_type __n) { return *this += -__n; }
215   _Self operator-(difference_type __n) const {
216     _Self __tmp = *this;
217     return __tmp -= __n;
218   }
219 
220   reference operator[](difference_type __n) const { return *(*this + __n); }
221 };
222 
223 
224 template <class _Tp, class _Traits>
225 inline _Deque_iterator<_Tp, _Traits> _STLP_CALL
226 operator+(ptrdiff_t __n, const _Deque_iterator<_Tp, _Traits>& __x)
227 { return __x + __n; }
228 
229 
230 #if defined (_STLP_USE_SEPARATE_RELOPS_NAMESPACE)
231 template <class _Tp>
232 inline bool _STLP_CALL
233 operator==(const _Deque_iterator_base<_Tp >& __x,
234            const _Deque_iterator_base<_Tp >& __y)
235 { return __x._M_cur == __y._M_cur; }
236 
237 template <class _Tp>
238 inline bool _STLP_CALL
239 operator < (const _Deque_iterator_base<_Tp >& __x,
240             const _Deque_iterator_base<_Tp >& __y) {
241   return (__x._M_node == __y._M_node) ?
242     (__x._M_cur < __y._M_cur) : (__x._M_node < __y._M_node);
243 }
244 
245 template <class _Tp>
246 inline bool _STLP_CALL
247 operator!=(const _Deque_iterator_base<_Tp >& __x,
248            const _Deque_iterator_base<_Tp >& __y)
249 { return __x._M_cur != __y._M_cur; }
250 
251 template <class _Tp>
252 inline bool _STLP_CALL
253 operator>(const _Deque_iterator_base<_Tp >& __x,
254           const _Deque_iterator_base<_Tp >& __y)
255 { return __y < __x; }
256 
257 template <class _Tp>
258 inline bool  _STLP_CALL operator>=(const _Deque_iterator_base<_Tp >& __x,
259                                    const _Deque_iterator_base<_Tp >& __y)
260 { return !(__x < __y); }
261 
262 template <class _Tp>
263 inline bool  _STLP_CALL operator<=(const _Deque_iterator_base<_Tp >& __x,
264                                    const _Deque_iterator_base<_Tp >& __y)
265 { return !(__y < __x); }
266 
267 #else /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
268 
269 template <class _Tp, class _Traits1, class _Traits2>
270 inline bool  _STLP_CALL
271 operator==(const _Deque_iterator<_Tp, _Traits1 >& __x,
272            const _Deque_iterator<_Tp, _Traits2 >& __y)
273 { return __x._M_cur == __y._M_cur; }
274 
275 template <class _Tp, class _Traits1, class _Traits2>
276 inline bool _STLP_CALL
277 operator < (const _Deque_iterator<_Tp, _Traits1 >& __x,
278             const _Deque_iterator<_Tp, _Traits2 >& __y) {
279   return (__x._M_node == __y._M_node) ?
280     (__x._M_cur < __y._M_cur) : (__x._M_node < __y._M_node);
281 }
282 
283 template <class _Tp>
284 inline bool _STLP_CALL
285 operator!=(const _Deque_iterator<_Tp, _Nonconst_traits<_Tp> >& __x,
286            const _Deque_iterator<_Tp, _Const_traits<_Tp> >& __y)
287 { return __x._M_cur != __y._M_cur; }
288 
289 template <class _Tp>
290 inline bool _STLP_CALL
291 operator>(const _Deque_iterator<_Tp, _Nonconst_traits<_Tp> >& __x,
292           const _Deque_iterator<_Tp, _Const_traits<_Tp> >& __y)
293 { return __y < __x; }
294 
295 template <class _Tp>
296 inline bool  _STLP_CALL
297 operator>=(const _Deque_iterator<_Tp, _Nonconst_traits<_Tp> >& __x,
298            const _Deque_iterator<_Tp, _Const_traits<_Tp> >& __y)
299 { return !(__x < __y); }
300 
301 template <class _Tp>
302 inline bool _STLP_CALL
303 operator<=(const _Deque_iterator<_Tp, _Nonconst_traits<_Tp> >& __x,
304            const _Deque_iterator<_Tp, _Const_traits<_Tp> >& __y)
305 { return !(__y < __x); }
306 #endif /* _STLP_USE_SEPARATE_RELOPS_NAMESPACE */
307 
308 #if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
309 _STLP_MOVE_TO_STD_NAMESPACE
310 template <class _Tp, class _Traits>
311 struct __type_traits<_STLP_PRIV _Deque_iterator<_Tp, _Traits> > {
312   typedef __false_type   has_trivial_default_constructor;
313   typedef __true_type    has_trivial_copy_constructor;
314   typedef __true_type    has_trivial_assignment_operator;
315   typedef __true_type    has_trivial_destructor;
316   typedef __false_type   is_POD_type;
317 };
318 _STLP_MOVE_TO_PRIV_NAMESPACE
319 #endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
320 
321 #if defined (_STLP_USE_OLD_HP_ITERATOR_QUERIES)
322 _STLP_MOVE_TO_STD_NAMESPACE
323 template <class _Tp, class _Traits> inline _Tp*  _STLP_CALL
324 value_type(const _STLP_PRIV _Deque_iterator<_Tp, _Traits  >&) { return (_Tp*)0; }
325 template <class _Tp, class _Traits> inline random_access_iterator_tag _STLP_CALL
326 iterator_category(const _STLP_PRIV _Deque_iterator<_Tp, _Traits  >&) { return random_access_iterator_tag(); }
327 template <class _Tp, class _Traits> inline ptrdiff_t* _STLP_CALL
328 distance_type(const _STLP_PRIV _Deque_iterator<_Tp, _Traits  >&) { return 0; }
329 _STLP_MOVE_TO_PRIV_NAMESPACE
330 #endif
331 
332 /* Deque base class.  It has two purposes.  First, its constructor
333  *  and destructor allocate (but don't initialize) storage.  This makes
334  *  exception safety easier.  Second, the base class encapsulates all of
335  *  the differences between SGI-style allocators and standard-conforming
336  *  allocators.
337  */
338 
339 template <class _Tp, class _Alloc>
340 class _Deque_base {
341   typedef _Deque_base<_Tp, _Alloc> _Self;
342 public:
343   typedef _Tp value_type;
344   _STLP_FORCE_ALLOCATORS(_Tp, _Alloc)
345   typedef _Alloc allocator_type;
346   typedef _STLP_alloc_proxy<size_t, value_type,  allocator_type> _Alloc_proxy;
347 
348   typedef typename _Alloc_traits<_Tp*, _Alloc>::allocator_type _Map_alloc_type;
349   typedef _STLP_alloc_proxy<value_type**, value_type*, _Map_alloc_type> _Map_alloc_proxy;
350 
351   typedef _Deque_iterator<_Tp, _Nonconst_traits<_Tp> > iterator;
352   typedef _Deque_iterator<_Tp, _Const_traits<_Tp> >    const_iterator;
353 
354   static size_t _STLP_CALL buffer_size() { return _Deque_iterator_base<_Tp>::_S_buffer_size(); }
355 
356   _Deque_base(const allocator_type& __a, size_t __num_elements)
357     : _M_start(), _M_finish(), _M_map(_STLP_CONVERT_ALLOCATOR(__a, _Tp*), 0),
358       _M_map_size(__a, (size_t)0)
359   { _M_initialize_map(__num_elements); }
360 
361   _Deque_base(const allocator_type& __a)
362     : _M_start(), _M_finish(), _M_map(_STLP_CONVERT_ALLOCATOR(__a, _Tp*), 0),
363       _M_map_size(__a, (size_t)0) {}
364 
365 #if !defined (_STLP_NO_MOVE_SEMANTIC)
366   _Deque_base(__move_source<_Self> src)
367     : _M_start(src.get()._M_start), _M_finish(src.get()._M_finish),
368       _M_map(__move_source<_Map_alloc_proxy>(src.get()._M_map)),
369       _M_map_size(__move_source<_Alloc_proxy>(src.get()._M_map_size)) {
370     src.get()._M_map._M_data = 0;
371     src.get()._M_map_size._M_data = 0;
372     src.get()._M_finish = src.get()._M_start;
373   }
374 #endif
375 
376   ~_Deque_base();
377 
378 protected:
379   void _M_initialize_map(size_t);
380   void _M_create_nodes(_Tp** __nstart, _Tp** __nfinish);
381   void _M_destroy_nodes(_Tp** __nstart, _Tp** __nfinish);
382   enum { _S_initial_map_size = 8 };
383 
384 protected:
385   iterator _M_start;
386   iterator _M_finish;
387   _Map_alloc_proxy  _M_map;
388   _Alloc_proxy      _M_map_size;
389 };
390 
391 #if defined (_STLP_USE_PTR_SPECIALIZATIONS)
392 #  define deque _STLP_PTR_IMPL_NAME(deque)
393 #elif defined (_STLP_DEBUG)
394 #  define deque _STLP_NON_DBG_NAME(deque)
395 #else
396 _STLP_MOVE_TO_STD_NAMESPACE
397 #endif
398 
399 template <class _Tp, _STLP_DFL_TMPL_PARAM(_Alloc, allocator<_Tp>) >
400 class deque : protected _STLP_PRIV _Deque_base<_Tp, _Alloc>
401 #if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (deque)
402             , public __stlport_class<deque<_Tp, _Alloc> >
403 #endif
404 {
405   typedef _STLP_PRIV _Deque_base<_Tp, _Alloc> _Base;
406   typedef deque<_Tp, _Alloc> _Self;
407 public:                         // Basic types
408   typedef _Tp value_type;
409   typedef value_type* pointer;
410   typedef const value_type* const_pointer;
411   typedef value_type& reference;
412   typedef const value_type& const_reference;
413   typedef size_t size_type;
414   typedef ptrdiff_t difference_type;
415   typedef random_access_iterator_tag _Iterator_category;
416   _STLP_FORCE_ALLOCATORS(_Tp, _Alloc)
417   typedef typename _Base::allocator_type allocator_type;
418 
419 public:                         // Iterators
420   typedef typename _Base::iterator       iterator;
421   typedef typename _Base::const_iterator const_iterator;
422 
423   _STLP_DECLARE_RANDOM_ACCESS_REVERSE_ITERATORS;
424 
425 protected:                      // Internal typedefs
426   typedef pointer* _Map_pointer;
427 #if defined (_STLP_NO_MOVE_SEMANTIC)
428   typedef __false_type _Movable;
429 #endif
430 
431 public:                         // Basic accessors
432   iterator begin() { return this->_M_start; }
433   iterator end() { return this->_M_finish; }
434   const_iterator begin() const { return const_iterator(this->_M_start); }
435   const_iterator end() const { return const_iterator(this->_M_finish); }
436 
437   reverse_iterator rbegin() { return reverse_iterator(this->_M_finish); }
438   reverse_iterator rend() { return reverse_iterator(this->_M_start); }
439   const_reverse_iterator rbegin() const
440     { return const_reverse_iterator(this->_M_finish); }
441   const_reverse_iterator rend() const
442     { return const_reverse_iterator(this->_M_start); }
443 
444   reference operator[](size_type __n)
445     { return this->_M_start[difference_type(__n)]; }
446   const_reference operator[](size_type __n) const
447     { return this->_M_start[difference_type(__n)]; }
448 
449   void _M_range_check(size_type __n) const {
450     if (__n >= this->size())
451       __stl_throw_out_of_range("deque");
452   }
453   reference at(size_type __n)
454     { _M_range_check(__n); return (*this)[__n]; }
455   const_reference at(size_type __n) const
456     { _M_range_check(__n); return (*this)[__n]; }
457 
458   reference front() { return *this->_M_start; }
459   reference back() {
460     iterator __tmp = this->_M_finish;
461     --__tmp;
462     return *__tmp;
463   }
464   const_reference front() const { return *this->_M_start; }
465   const_reference back() const {
466     const_iterator __tmp = this->_M_finish;
467     --__tmp;
468     return *__tmp;
469   }
470 
471   size_type size() const { return this->_M_finish - this->_M_start; }
472   size_type max_size() const { return size_type(-1); }
473   bool empty() const { return this->_M_finish == this->_M_start; }
474   allocator_type get_allocator() const { return this->_M_map_size; }
475 
476 public:                         // Constructor, destructor.
477 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
478   explicit deque(const allocator_type& __a = allocator_type())
479 #else
480   deque()
481     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(allocator_type(), 0) {}
482   deque(const allocator_type& __a)
483 #endif
484     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(__a, 0) {}
485 
486   deque(const _Self& __x)
487     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(__x.get_allocator(), __x.size())
488   { _STLP_PRIV __ucopy(__x.begin(), __x.end(), this->_M_start); }
489 
490 #if !defined (_STLP_DONT_SUP_DFLT_PARAM)
491 private:
492   void _M_initialize(size_type __n, const value_type& __val = _STLP_DEFAULT_CONSTRUCTED(_Tp)) {
493     typedef typename _TrivialInit<_Tp>::_Ret _TrivialInit;
494     _M_fill_initialize(__val, _TrivialInit());
495   }
496 public:
497   explicit deque(size_type __n)
498     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(allocator_type(), __n)
499   { _M_initialize(__n); }
500   deque(size_type __n, const value_type& __val, const allocator_type& __a = allocator_type())
501 #else
502   explicit deque(size_type __n)
503     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(allocator_type(), __n) {
504     typedef typename _TrivialInit<_Tp>::_Ret _TrivialInit;
505     _M_fill_initialize(_STLP_DEFAULT_CONSTRUCTED(_Tp), _TrivialInit());
506   }
507   deque(size_type __n, const value_type& __val)
508     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(allocator_type(), __n)
509   { _M_fill_initialize(__val, __false_type()); }
510   deque(size_type __n, const value_type& __val, const allocator_type& __a)
511 #endif
512     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(__a, __n)
513   { _M_fill_initialize(__val, __false_type()); }
514 
515 #if defined (_STLP_MEMBER_TEMPLATES)
516 protected:
517   template <class _Integer>
518   void _M_initialize_dispatch(_Integer __n, _Integer __x, const __true_type&) {
519     this->_M_initialize_map(__n);
520     _M_fill_initialize(__x, __false_type());
521   }
522 
523   template <class _InputIter>
524   void _M_initialize_dispatch(_InputIter __first, _InputIter __last,
525                               const __false_type&) {
526     _M_range_initialize(__first, __last, _STLP_ITERATOR_CATEGORY(__first, _InputIter));
527   }
528 
529 public:
530   // Check whether it's an integral type.  If so, it's not an iterator.
531   template <class _InputIterator>
532   deque(_InputIterator __first, _InputIterator __last,
533         const allocator_type& __a _STLP_ALLOCATOR_TYPE_DFL)
534     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(__a) {
535     typedef typename _IsIntegral<_InputIterator>::_Ret _Integral;
536     _M_initialize_dispatch(__first, __last, _Integral());
537   }
538 
539 #  if defined (_STLP_NEEDS_EXTRA_TEMPLATE_CONSTRUCTORS)
540   template <class _InputIterator>
541   deque(_InputIterator __first, _InputIterator __last)
542     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(allocator_type()) {
543     typedef typename _IsIntegral<_InputIterator>::_Ret _Integral;
544     _M_initialize_dispatch(__first, __last, _Integral());
545   }
546 #  endif
547 
548 #else
549   deque(const value_type* __first, const value_type* __last,
550         const allocator_type& __a = allocator_type() )
551     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(__a, __last - __first)
552   { _STLP_PRIV __ucopy(__first, __last, this->_M_start); }
553 
554   deque(const_iterator __first, const_iterator __last,
555         const allocator_type& __a = allocator_type() )
556     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(__a, __last - __first)
557   { _STLP_PRIV __ucopy(__first, __last, this->_M_start); }
558 #endif /* _STLP_MEMBER_TEMPLATES */
559 
560 #if !defined (_STLP_NO_MOVE_SEMANTIC)
561   deque(__move_source<_Self> src)
562     : _STLP_PRIV _Deque_base<_Tp, _Alloc>(__move_source<_Base>(src.get()))
563   {}
564 #endif
565 
566   ~deque()
567   { _STLP_STD::_Destroy_Range(this->_M_start, this->_M_finish); }
568 
569   _Self& operator= (const _Self& __x);
570 
571   void swap(_Self& __x) {
572     _STLP_STD::swap(this->_M_start, __x._M_start);
573     _STLP_STD::swap(this->_M_finish, __x._M_finish);
574     this->_M_map.swap(__x._M_map);
575     this->_M_map_size.swap(__x._M_map_size);
576   }
577 #if defined (_STLP_USE_PARTIAL_SPEC_WORKAROUND) && !defined (_STLP_FUNCTION_TMPL_PARTIAL_ORDER)
578   void _M_swap_workaround(_Self& __x) { swap(__x); }
579 #endif
580 
581 public:
582   // assign(), a generalized assignment member function.  Two
583   // versions: one that takes a count, and one that takes a range.
584   // The range version is a member template, so we dispatch on whether
585   // or not the type is an integer.
586 
587   void _M_fill_assign(size_type __n, const _Tp& __val) {
588     if (__n > size()) {
589       _STLP_STD::fill(begin(), end(), __val);
590       insert(end(), __n - size(), __val);
591     }
592     else {
593       erase(begin() + __n, end());
594       _STLP_STD::fill(begin(), end(), __val);
595     }
596   }
597 
598   void assign(size_type __n, const _Tp& __val) {
599     _M_fill_assign(__n, __val);
600   }
601 
602 #if defined (_STLP_MEMBER_TEMPLATES)
603   template <class _InputIterator>
604   void assign(_InputIterator __first, _InputIterator __last) {
605     typedef typename _IsIntegral<_InputIterator>::_Ret _Integral;
606     _M_assign_dispatch(__first, __last, _Integral());
607   }
608 
609 private:                        // helper functions for assign()
610 
611   template <class _Integer>
612   void _M_assign_dispatch(_Integer __n, _Integer __val,
613                           const __true_type& /*_IsIntegral*/)
614   { _M_fill_assign((size_type) __n, (_Tp) __val); }
615 
616   template <class _InputIterator>
617   void _M_assign_dispatch(_InputIterator __first, _InputIterator __last,
618                           const __false_type& /*_IsIntegral*/) {
619     _M_assign_aux(__first, __last, _STLP_ITERATOR_CATEGORY(__first, _InputIterator));
620   }
621 
622   template <class _InputIter>
623   void _M_assign_aux(_InputIter __first, _InputIter __last, const input_iterator_tag &) {
624     iterator __cur = begin();
625     for ( ; __first != __last && __cur != end(); ++__cur, ++__first)
626       *__cur = *__first;
627     if (__first == __last)
628       erase(__cur, end());
629     else
630       insert(end(), __first, __last);
631   }
632 
633   template <class _ForwardIterator>
634   void _M_assign_aux(_ForwardIterator __first, _ForwardIterator __last,
635                      const forward_iterator_tag &) {
636 #else
637   void assign(const value_type *__first, const value_type *__last) {
638     size_type __size = size();
639     size_type __len = __last - __first;
640     if (__len > __size) {
641       const value_type *__mid = __first + __size;
642       _STLP_STD::copy(__first, __mid, begin());
643       insert(end(), __mid, __last);
644     }
645     else {
646       erase(_STLP_STD::copy(__first, __last, begin()), end());
647     }
648   }
649   void assign(const_iterator __first, const_iterator __last) {
650     typedef const_iterator _ForwardIterator;
651 #endif /* _STLP_MEMBER_TEMPLATES */
652     size_type __len = _STLP_STD::distance(__first, __last);
653     if (__len > size()) {
654       _ForwardIterator __mid = __first;
655       _STLP_STD::advance(__mid, size());
656       _STLP_STD::copy(__first, __mid, begin());
657       insert(end(), __mid, __last);
658     }
659     else {
660       erase(_STLP_STD::copy(__first, __last, begin()), end());
661     }
662   }
663 
664 
665 public:                         // push_* and pop_*
666 
667 #if !defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
668   void push_back(const value_type& __t = _STLP_DEFAULT_CONSTRUCTED(_Tp)) {
669 #else
670   void push_back(const value_type& __t) {
671 #endif /*!_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
672     if (this->_M_finish._M_cur != this->_M_finish._M_last - 1) {
673       _Copy_Construct(this->_M_finish._M_cur, __t);
674       ++this->_M_finish._M_cur;
675     }
676     else
677       _M_push_back_aux_v(__t);
678   }
679 #if !defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
680   void push_front(const value_type& __t = _STLP_DEFAULT_CONSTRUCTED(_Tp))   {
681 #else
682   void push_front(const value_type& __t)   {
683 #endif /*!_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
684     if (this->_M_start._M_cur != this->_M_start._M_first) {
685       _Copy_Construct(this->_M_start._M_cur - 1, __t);
686       --this->_M_start._M_cur;
687     }
688     else
689       _M_push_front_aux_v(__t);
690   }
691 
692 #if defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
693   void push_back() {
694     if (this->_M_finish._M_cur != this->_M_finish._M_last - 1) {
695       _STLP_STD::_Construct(this->_M_finish._M_cur);
696       ++this->_M_finish._M_cur;
697     }
698     else
699       _M_push_back_aux();
700   }
701   void push_front() {
702     if (this->_M_start._M_cur != this->_M_start._M_first) {
703       _STLP_STD::_Construct(this->_M_start._M_cur - 1);
704       --this->_M_start._M_cur;
705     }
706     else
707       _M_push_front_aux();
708   }
709 #endif /*_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
710 
711   void pop_back() {
712     if (this->_M_finish._M_cur != this->_M_finish._M_first) {
713       --this->_M_finish._M_cur;
714       _STLP_STD::_Destroy(this->_M_finish._M_cur);
715     }
716     else {
717       _M_pop_back_aux();
718       _STLP_STD::_Destroy(this->_M_finish._M_cur);
719     }
720   }
721 
722   void pop_front() {
723     _STLP_STD::_Destroy(this->_M_start._M_cur);
724     _M_pop_front_aux();
725   }
726 
727 public:                         // Insert
728 
729 #if !defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
730   iterator insert(iterator __pos, const value_type& __x = _STLP_DEFAULT_CONSTRUCTED(_Tp)) {
731 #else
732   iterator insert(iterator __pos, const value_type& __x) {
733 #endif /*!_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
734 #if !defined (_STLP_NO_MOVE_SEMANTIC)
735     typedef typename __move_traits<_Tp>::implemented _Movable;
736 #endif
737     if (__pos._M_cur == this->_M_start._M_cur) {
738       push_front(__x);
739       return this->_M_start;
740     }
741     else if (__pos._M_cur == this->_M_finish._M_cur) {
742       push_back(__x);
743       iterator __tmp = this->_M_finish;
744       --__tmp;
745       return __tmp;
746     }
747     else {
748       return _M_fill_insert_aux(__pos, 1, __x, _Movable());
749     }
750   }
751 
752 #if defined(_STLP_DONT_SUP_DFLT_PARAM) && !defined(_STLP_NO_ANACHRONISMS)
753   iterator insert(iterator __pos)
754   { return insert(__pos, _STLP_DEFAULT_CONSTRUCTED(_Tp)); }
755 #endif /*_STLP_DONT_SUP_DFLT_PARAM && !_STLP_NO_ANACHRONISMS*/
756 
757   void insert(iterator __pos, size_type __n, const value_type& __x)
758   { _M_fill_insert(__pos, __n, __x); }
759 
760 protected:
761   iterator _M_fill_insert_aux(iterator __pos, size_type __n, const value_type& __x, const __true_type& /*_Movable*/);
762   iterator _M_fill_insert_aux(iterator __pos, size_type __n, const value_type& __x, const __false_type& /*_Movable*/);
763 
764   void _M_fill_insert(iterator __pos, size_type __n, const value_type& __x);
765 
766 #if defined (_STLP_MEMBER_TEMPLATES)
767   template <class _Integer>
768   void _M_insert_dispatch(iterator __pos, _Integer __n, _Integer __x,
769                           const __true_type& /*_IsIntegral*/) {
770     _M_fill_insert(__pos, (size_type) __n, (value_type) __x);
771   }
772 
773   template <class _InputIterator>
774   void _M_insert_dispatch(iterator __pos,
775                           _InputIterator __first, _InputIterator __last,
776                           const __false_type& /*_IsIntegral*/) {
777     _M_insert(__pos, __first, __last, _STLP_ITERATOR_CATEGORY(__first, _InputIterator));
778   }
779 
780 public:
781   // Check whether it's an integral type.  If so, it's not an iterator.
782   template <class _InputIterator>
783   void insert(iterator __pos, _InputIterator __first, _InputIterator __last) {
784     typedef typename _IsIntegral<_InputIterator>::_Ret _Integral;
785     _M_insert_dispatch(__pos, __first, __last, _Integral());
786   }
787 
788 #else /* _STLP_MEMBER_TEMPLATES */
789   void _M_insert_range_aux(iterator __pos,
790                            const value_type* __first, const value_type* __last,
791                            size_type __n, const __true_type& /*_Movable*/);
792   void _M_insert_range_aux(iterator __pos,
793                            const value_type* __first, const value_type* __last,
794                            size_type __n, const __false_type& /*_Movable*/);
795   void _M_insert_range_aux(iterator __pos,
796                            const_iterator __first, const_iterator __last,
797                            size_type __n, const __true_type& /*_Movable*/);
798   void _M_insert_range_aux(iterator __pos,
799                            const_iterator __first, const_iterator __last,
800                            size_type __n, const __false_type& /*_Movable*/);
801 public:
802   void insert(iterator __pos,
803               const value_type* __first, const value_type* __last);
804   void insert(iterator __pos,
805               const_iterator __first, const_iterator __last);
806 
807 #endif /* _STLP_MEMBER_TEMPLATES */
808 
809 public:
810 #if !defined(_STLP_DONT_SUP_DFLT_PARAM)
811   void resize(size_type __new_size,
812               const value_type& __x = _STLP_DEFAULT_CONSTRUCTED(_Tp)) {
813 #else
814   void resize(size_type __new_size, const value_type& __x) {
815 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
816     const size_type __len = size();
817     if (__new_size < __len)
818       erase(this->_M_start + __new_size, this->_M_finish);
819     else
820       insert(this->_M_finish, __new_size - __len, __x);
821   }
822 
823 #if defined (_STLP_DONT_SUP_DFLT_PARAM)
824   void resize(size_type __new_size)
825   { resize(__new_size, _STLP_DEFAULT_CONSTRUCTED(_Tp)); }
826 #endif /*_STLP_DONT_SUP_DFLT_PARAM*/
827 
828 protected:
829   iterator _M_erase(iterator __pos, const __true_type& /*_Movable*/);
830   iterator _M_erase(iterator __pos, const __false_type& /*_Movable*/);
831 
832   iterator _M_erase(iterator __first, iterator __last, const __true_type& /*_Movable*/);
833   iterator _M_erase(iterator __first, iterator __last, const __false_type& /*_Movable*/);
834 public:                         // Erase
835   iterator erase(iterator __pos) {
836 #if !defined (_STLP_NO_MOVE_SEMANTIC)
837     typedef typename __move_traits<_Tp>::implemented _Movable;
838 #endif
839     return _M_erase(__pos, _Movable());
840   }
841   iterator erase(iterator __first, iterator __last) {
842 #if !defined (_STLP_NO_MOVE_SEMANTIC)
843     typedef typename __move_traits<_Tp>::implemented _Movable;
844 #endif
845     if (__first == this->_M_start && __last == this->_M_finish) {
846       clear();
847       return this->_M_finish;
848     }
849     else {
850       if (__first == __last)
851         return __first;
852       return _M_erase(__first, __last, _Movable());
853     }
854   }
855   void clear();
856 
857 protected:                        // Internal construction/destruction
858 
859   void _M_fill_initialize(const value_type& __val, const __true_type& /*_TrivialInit*/)
860   {}
861   void _M_fill_initialize(const value_type& __val, const __false_type& /*_TrivialInit*/);
862 
863 #if defined (_STLP_MEMBER_TEMPLATES)
864   template <class _InputIterator>
865   void _M_range_initialize(_InputIterator __first, _InputIterator __last,
866                            const input_iterator_tag &) {
867     this->_M_initialize_map(0);
868     _STLP_TRY {
869       for ( ; __first != __last; ++__first)
870         push_back(*__first);
871     }
872     _STLP_UNWIND(clear())
873   }
874   template <class _ForwardIterator>
875   void  _M_range_initialize(_ForwardIterator __first, _ForwardIterator __last,
876                             const forward_iterator_tag &)  {
877    size_type __n = _STLP_STD::distance(__first, __last);
878    this->_M_initialize_map(__n);
879    _Map_pointer __cur_node = this->_M_start._M_node;
880    _STLP_TRY {
881     for (; __cur_node < this->_M_finish._M_node; ++__cur_node) {
882       _ForwardIterator __mid = __first;
883       _STLP_STD::advance(__mid, this->buffer_size());
884       _STLP_STD::uninitialized_copy(__first, __mid, *__cur_node);
885       __first = __mid;
886     }
887     _STLP_STD::uninitialized_copy(__first, __last, this->_M_finish._M_first);
888    }
889   _STLP_UNWIND(_STLP_STD::_Destroy_Range(this->_M_start, iterator(*__cur_node, __cur_node)))
890  }
891 #endif /* _STLP_MEMBER_TEMPLATES */
892 
893 protected:                        // Internal push_* and pop_*
894 
895   void _M_push_back_aux_v(const value_type&);
896   void _M_push_front_aux_v(const value_type&);
897 #if defined (_STLP_DONT_SUP_DFLT_PARAM) && !defined (_STLP_NO_ANACHRONISMS)
898   void _M_push_back_aux();
899   void _M_push_front_aux();
900 #endif /*_STLP_DONT_SUP_DFLT_PARAM !_STLP_NO_ANACHRONISMS*/
901   void _M_pop_back_aux();
902   void _M_pop_front_aux();
903 
904 protected:                        // Internal insert functions
905 
906 #if defined (_STLP_MEMBER_TEMPLATES)
907 
908   template <class _InputIterator>
909   void _M_insert(iterator __pos,
910                 _InputIterator __first,
911                 _InputIterator __last,
912                 const input_iterator_tag &) {
913     _STLP_STD::copy(__first, __last, inserter(*this, __pos));
914   }
915 
916   template <class _ForwardIterator>
917   void  _M_insert(iterator __pos,
918                   _ForwardIterator __first, _ForwardIterator __last,
919                   const forward_iterator_tag &) {
920 #if !defined (_STLP_NO_MOVE_SEMANTIC)
921     typedef typename __move_traits<_Tp>::implemented _Movable;
922 #endif
923     size_type __n = _STLP_STD::distance(__first, __last);
924     if (__pos._M_cur == this->_M_start._M_cur) {
925       iterator __new_start = _M_reserve_elements_at_front(__n);
926       _STLP_TRY {
927         uninitialized_copy(__first, __last, __new_start);
928         this->_M_start = __new_start;
929       }
930       _STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
931     }
932     else if (__pos._M_cur == this->_M_finish._M_cur) {
933       iterator __new_finish = _M_reserve_elements_at_back(__n);
934       _STLP_TRY {
935         uninitialized_copy(__first, __last, this->_M_finish);
936         this->_M_finish = __new_finish;
937       }
938       _STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
939     }
940     else
941       _M_insert_range_aux(__pos, __first, __last, __n, _Movable());
942   }
943 
944   template <class _ForwardIterator>
945   void _M_insert_range_aux(iterator __pos,
946                            _ForwardIterator __first, _ForwardIterator __last,
947                            size_type __n, const __true_type& /*_Movable*/) {
948     const difference_type __elemsbefore = __pos - this->_M_start;
949     size_type __length = size();
950     if (__elemsbefore <= difference_type(__length / 2)) {
951       iterator __new_start = _M_reserve_elements_at_front(__n);
952       __pos = this->_M_start + __elemsbefore;
953       _STLP_TRY {
954         iterator __dst = __new_start;
955         iterator __src = this->_M_start;
956         for (; __src != __pos; ++__dst, ++__src) {
957           _STLP_STD::_Move_Construct(&(*__dst), *__src);
958           _STLP_STD::_Destroy_Moved(&(*__src));
959         }
960         this->_M_start = __new_start;
961         uninitialized_copy(__first, __last, __dst);
962       }
963       _STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
964     }
965     else {
966       iterator __new_finish = _M_reserve_elements_at_back(__n);
967       const difference_type __elemsafter = difference_type(__length) - __elemsbefore;
968       __pos = this->_M_finish - __elemsafter;
969       _STLP_TRY {
970         iterator __dst = __new_finish;
971         iterator __src = this->_M_finish;
972         for (--__src, --__dst; __src >= __pos; --__src, --__dst) {
973           _STLP_STD::_Move_Construct(&(*__dst), *__src);
974           _STLP_STD::_Destroy_Moved(&(*__src));
975         }
976         this->_M_finish = __new_finish;
977         uninitialized_copy(__first, __last, __pos);
978       }
979       _STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
980     }
981   }
982 
983   template <class _ForwardIterator>
984   void _M_insert_range_aux(iterator __pos,
985                            _ForwardIterator __first, _ForwardIterator __last,
986                            size_type __n, const __false_type& /*_Movable*/) {
987     const difference_type __elemsbefore = __pos - this->_M_start;
988     size_type __length = size();
989     if (__elemsbefore <= difference_type(__length / 2)) {
990       iterator __new_start = _M_reserve_elements_at_front(__n);
991       iterator __old_start = this->_M_start;
992       __pos = this->_M_start + __elemsbefore;
993       _STLP_TRY {
994         if (__elemsbefore >= difference_type(__n)) {
995           iterator __start_n = this->_M_start + difference_type(__n);
996           _STLP_STD::uninitialized_copy(this->_M_start, __start_n, __new_start);
997           this->_M_start = __new_start;
998           _STLP_STD::copy(__start_n, __pos, __old_start);
999           _STLP_STD::copy(__first, __last, __pos - difference_type(__n));
1000         }
1001         else {
1002           _ForwardIterator __mid = __first;
1003           _STLP_STD::advance(__mid, difference_type(__n) - __elemsbefore);
1004           _STLP_PRIV __uninitialized_copy_copy(this->_M_start, __pos, __first, __mid, __new_start);
1005           this->_M_start = __new_start;
1006           _STLP_STD::copy(__mid, __last, __old_start);
1007         }
1008       }
1009       _STLP_UNWIND(this->_M_destroy_nodes(__new_start._M_node, this->_M_start._M_node))
1010     }
1011     else {
1012       iterator __new_finish = _M_reserve_elements_at_back(__n);
1013       iterator __old_finish = this->_M_finish;
1014       const difference_type __elemsafter = difference_type(__length) - __elemsbefore;
1015       __pos = this->_M_finish - __elemsafter;
1016       _STLP_TRY {
1017         if (__elemsafter > difference_type(__n)) {
1018           iterator __finish_n = this->_M_finish - difference_type(__n);
1019           _STLP_STD::uninitialized_copy(__finish_n, this->_M_finish, this->_M_finish);
1020           this->_M_finish = __new_finish;
1021           _STLP_STD::copy_backward(__pos, __finish_n, __old_finish);
1022           _STLP_STD::copy(__first, __last, __pos);
1023         }
1024         else {
1025           _ForwardIterator __mid = __first;
1026           _STLP_STD::advance(__mid, __elemsafter);
1027           _STLP_PRIV __uninitialized_copy_copy(__mid, __last, __pos, this->_M_finish, this->_M_finish);
1028           this->_M_finish = __new_finish;
1029           _STLP_STD::copy(__first, __mid, __pos);
1030         }
1031       }
1032       _STLP_UNWIND(this->_M_destroy_nodes(this->_M_finish._M_node + 1, __new_finish._M_node + 1))
1033     }
1034   }
1035 #endif /* _STLP_MEMBER_TEMPLATES */
1036 
1037   iterator _M_reserve_elements_at_front(size_type __n) {
1038     size_type __vacancies = this->_M_start._M_cur - this->_M_start._M_first;
1039     if (__n > __vacancies)
1040       _M_new_elements_at_front(__n - __vacancies);
1041     return this->_M_start - difference_type(__n);
1042   }
1043 
1044   iterator _M_reserve_elements_at_back(size_type __n) {
1045     size_type __vacancies = (this->_M_finish._M_last - this->_M_finish._M_cur) - 1;
1046     if (__n > __vacancies)
1047       _M_new_elements_at_back(__n - __vacancies);
1048     return this->_M_finish + difference_type(__n);
1049   }
1050 
1051   void _M_new_elements_at_front(size_type __new_elements);
1052   void _M_new_elements_at_back(size_type __new_elements);
1053 
1054 protected:                      // Allocation of _M_map and nodes
1055 
1056   // Makes sure the _M_map has space for new nodes.  Does not actually
1057   //  add the nodes.  Can invalidate _M_map pointers.  (And consequently,
1058   //  deque iterators.)
1059 
1060   void _M_reserve_map_at_back (size_type __nodes_to_add = 1) {
1061     if (__nodes_to_add + 1 > this->_M_map_size._M_data - (this->_M_finish._M_node - this->_M_map._M_data))
1062       _M_reallocate_map(__nodes_to_add, false);
1063   }
1064 
1065   void _M_reserve_map_at_front (size_type __nodes_to_add = 1) {
1066     if (__nodes_to_add > size_type(this->_M_start._M_node - this->_M_map._M_data))
1067       _M_reallocate_map(__nodes_to_add, true);
1068   }
1069 
1070   void _M_reallocate_map(size_type __nodes_to_add, bool __add_at_front);
1071 };
1072 
1073 #if defined (deque)
1074 #  undef deque
1075 _STLP_MOVE_TO_STD_NAMESPACE
1076 #endif
1077 
1078 _STLP_END_NAMESPACE
1079 
1080 #if !defined (_STLP_LINK_TIME_INSTANTIATION)
1081 #  include <stl/_deque.c>
1082 #endif
1083 
1084 #if defined (_STLP_USE_PTR_SPECIALIZATIONS)
1085 #  include <stl/pointers/_deque.h>
1086 #endif
1087 
1088 #if defined (_STLP_DEBUG)
1089 #  include <stl/debug/_deque.h>
1090 #endif
1091 
1092 _STLP_BEGIN_NAMESPACE
1093 
1094 #define _STLP_TEMPLATE_CONTAINER deque<_Tp, _Alloc>
1095 #define _STLP_TEMPLATE_HEADER    template <class _Tp, class _Alloc>
1096 #include <stl/_relops_cont.h>
1097 #undef _STLP_TEMPLATE_CONTAINER
1098 #undef _STLP_TEMPLATE_HEADER
1099 
1100 #if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) && !defined (_STLP_NO_MOVE_SEMANTIC)
1101 template <class _Tp, class _Alloc>
1102 struct __move_traits<deque<_Tp, _Alloc> > {
1103   typedef __true_type implemented;
1104   typedef typename __move_traits<_Alloc>::complete complete;
1105 };
1106 #endif
1107 
1108 _STLP_END_NAMESPACE
1109 
1110 #endif /* _STLP_INTERNAL_DEQUE_H */
1111 
1112 // Local Variables:
1113 // mode:C++
1114 // End:
1115 
1116