61 #pragma GCC system_header
68 #if __cplusplus >= 201103L
71 #if __cplusplus > 201402L
75 namespace std _GLIBCXX_VISIBILITY(default)
77 _GLIBCXX_BEGIN_NAMESPACE_VERSION
79 #if __cplusplus > 201103L
80 # define __cpp_lib_generic_associative_lookup 201304L
99 enum _Rb_tree_color { _S_red =
false, _S_black =
true };
101 struct _Rb_tree_node_base
103 typedef _Rb_tree_node_base* _Base_ptr;
104 typedef const _Rb_tree_node_base* _Const_Base_ptr;
106 _Rb_tree_color _M_color;
112 _S_minimum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
114 while (__x->_M_left != 0) __x = __x->_M_left;
118 static _Const_Base_ptr
119 _S_minimum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
121 while (__x->_M_left != 0) __x = __x->_M_left;
126 _S_maximum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
128 while (__x->_M_right != 0) __x = __x->_M_right;
132 static _Const_Base_ptr
133 _S_maximum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
135 while (__x->_M_right != 0) __x = __x->_M_right;
141 template<
typename _Key_compare>
142 struct _Rb_tree_key_compare
144 _Key_compare _M_key_compare;
146 _Rb_tree_key_compare()
147 _GLIBCXX_NOEXCEPT_IF(
148 is_nothrow_default_constructible<_Key_compare>::value)
152 _Rb_tree_key_compare(
const _Key_compare& __comp)
153 : _M_key_compare(__comp)
156 #if __cplusplus >= 201103L
158 _Rb_tree_key_compare(
const _Rb_tree_key_compare&) =
default;
160 _Rb_tree_key_compare(_Rb_tree_key_compare&& __x)
161 noexcept(is_nothrow_copy_constructible<_Key_compare>::value)
162 : _M_key_compare(__x._M_key_compare)
168 struct _Rb_tree_header
170 _Rb_tree_node_base _M_header;
171 size_t _M_node_count;
173 _Rb_tree_header() _GLIBCXX_NOEXCEPT
175 _M_header._M_color = _S_red;
179 #if __cplusplus >= 201103L
180 _Rb_tree_header(_Rb_tree_header&& __x) noexcept
182 if (__x._M_header._M_parent !=
nullptr)
186 _M_header._M_color = _S_red;
193 _M_move_data(_Rb_tree_header& __from)
195 _M_header._M_color = __from._M_header._M_color;
196 _M_header._M_parent = __from._M_header._M_parent;
197 _M_header._M_left = __from._M_header._M_left;
198 _M_header._M_right = __from._M_header._M_right;
199 _M_header._M_parent->_M_parent = &_M_header;
200 _M_node_count = __from._M_node_count;
208 _M_header._M_parent = 0;
209 _M_header._M_left = &_M_header;
210 _M_header._M_right = &_M_header;
215 template<
typename _Val>
216 struct _Rb_tree_node :
public _Rb_tree_node_base
218 typedef _Rb_tree_node<_Val>* _Link_type;
220 #if __cplusplus < 201103L
231 __gnu_cxx::__aligned_membuf<_Val> _M_storage;
235 {
return _M_storage._M_ptr(); }
239 {
return _M_storage._M_ptr(); }
243 _GLIBCXX_PURE _Rb_tree_node_base*
244 _Rb_tree_increment(_Rb_tree_node_base* __x)
throw ();
246 _GLIBCXX_PURE
const _Rb_tree_node_base*
247 _Rb_tree_increment(
const _Rb_tree_node_base* __x)
throw ();
249 _GLIBCXX_PURE _Rb_tree_node_base*
250 _Rb_tree_decrement(_Rb_tree_node_base* __x)
throw ();
252 _GLIBCXX_PURE
const _Rb_tree_node_base*
253 _Rb_tree_decrement(
const _Rb_tree_node_base* __x)
throw ();
255 template<
typename _Tp>
256 struct _Rb_tree_iterator
258 typedef _Tp value_type;
259 typedef _Tp& reference;
260 typedef _Tp* pointer;
262 typedef bidirectional_iterator_tag iterator_category;
263 typedef ptrdiff_t difference_type;
265 typedef _Rb_tree_iterator<_Tp> _Self;
266 typedef _Rb_tree_node_base::_Base_ptr _Base_ptr;
267 typedef _Rb_tree_node<_Tp>* _Link_type;
269 _Rb_tree_iterator() _GLIBCXX_NOEXCEPT
273 _Rb_tree_iterator(_Base_ptr __x) _GLIBCXX_NOEXCEPT
278 {
return *
static_cast<_Link_type
>(_M_node)->_M_valptr(); }
281 operator->() const _GLIBCXX_NOEXCEPT
282 {
return static_cast<_Link_type
> (_M_node)->_M_valptr(); }
285 operator++() _GLIBCXX_NOEXCEPT
287 _M_node = _Rb_tree_increment(_M_node);
292 operator++(
int) _GLIBCXX_NOEXCEPT
295 _M_node = _Rb_tree_increment(_M_node);
300 operator--() _GLIBCXX_NOEXCEPT
302 _M_node = _Rb_tree_decrement(_M_node);
307 operator--(
int) _GLIBCXX_NOEXCEPT
310 _M_node = _Rb_tree_decrement(_M_node);
315 operator==(
const _Self& __x,
const _Self& __y) _GLIBCXX_NOEXCEPT
316 {
return __x._M_node == __y._M_node; }
318 #if ! __cpp_lib_three_way_comparison
320 operator!=(
const _Self& __x,
const _Self& __y) _GLIBCXX_NOEXCEPT
321 {
return __x._M_node != __y._M_node; }
327 template<
typename _Tp>
328 struct _Rb_tree_const_iterator
330 typedef _Tp value_type;
331 typedef const _Tp& reference;
332 typedef const _Tp* pointer;
334 typedef _Rb_tree_iterator<_Tp> iterator;
336 typedef bidirectional_iterator_tag iterator_category;
337 typedef ptrdiff_t difference_type;
339 typedef _Rb_tree_const_iterator<_Tp> _Self;
340 typedef _Rb_tree_node_base::_Const_Base_ptr _Base_ptr;
341 typedef const _Rb_tree_node<_Tp>* _Link_type;
343 _Rb_tree_const_iterator() _GLIBCXX_NOEXCEPT
347 _Rb_tree_const_iterator(_Base_ptr __x) _GLIBCXX_NOEXCEPT
350 _Rb_tree_const_iterator(
const iterator& __it) _GLIBCXX_NOEXCEPT
351 : _M_node(__it._M_node) { }
354 _M_const_cast() const _GLIBCXX_NOEXCEPT
355 {
return iterator(
const_cast<typename iterator::_Base_ptr
>(_M_node)); }
359 {
return *
static_cast<_Link_type
>(_M_node)->_M_valptr(); }
362 operator->() const _GLIBCXX_NOEXCEPT
363 {
return static_cast<_Link_type
>(_M_node)->_M_valptr(); }
366 operator++() _GLIBCXX_NOEXCEPT
368 _M_node = _Rb_tree_increment(_M_node);
373 operator++(
int) _GLIBCXX_NOEXCEPT
376 _M_node = _Rb_tree_increment(_M_node);
381 operator--() _GLIBCXX_NOEXCEPT
383 _M_node = _Rb_tree_decrement(_M_node);
388 operator--(
int) _GLIBCXX_NOEXCEPT
391 _M_node = _Rb_tree_decrement(_M_node);
396 operator==(
const _Self& __x,
const _Self& __y) _GLIBCXX_NOEXCEPT
397 {
return __x._M_node == __y._M_node; }
399 #if ! __cpp_lib_three_way_comparison
401 operator!=(
const _Self& __x,
const _Self& __y) _GLIBCXX_NOEXCEPT
402 {
return __x._M_node != __y._M_node; }
409 _Rb_tree_insert_and_rebalance(
const bool __insert_left,
410 _Rb_tree_node_base* __x,
411 _Rb_tree_node_base* __p,
412 _Rb_tree_node_base& __header)
throw ();
415 _Rb_tree_rebalance_for_erase(_Rb_tree_node_base*
const __z,
416 _Rb_tree_node_base& __header)
throw ();
418 #if __cplusplus > 201402L
419 template<
typename _Tree1,
typename _Cmp2>
420 struct _Rb_tree_merge_helper { };
423 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
424 typename _Compare,
typename _Alloc = allocator<_Val> >
428 rebind<_Rb_tree_node<_Val> >::other _Node_allocator;
433 typedef _Rb_tree_node_base* _Base_ptr;
434 typedef const _Rb_tree_node_base* _Const_Base_ptr;
435 typedef _Rb_tree_node<_Val>* _Link_type;
436 typedef const _Rb_tree_node<_Val>* _Const_Link_type;
441 struct _Reuse_or_alloc_node
443 _Reuse_or_alloc_node(_Rb_tree& __t)
444 : _M_root(__t._M_root()), _M_nodes(__t._M_rightmost()), _M_t(__t)
448 _M_root->_M_parent = 0;
450 if (_M_nodes->_M_left)
451 _M_nodes = _M_nodes->_M_left;
457 #if __cplusplus >= 201103L
458 _Reuse_or_alloc_node(
const _Reuse_or_alloc_node&) =
delete;
461 ~_Reuse_or_alloc_node()
462 { _M_t._M_erase(
static_cast<_Link_type
>(_M_root)); }
464 template<
typename _Arg>
466 operator()(_GLIBCXX_FWDREF(_Arg) __arg)
468 _Link_type __node =
static_cast<_Link_type
>(_M_extract());
471 _M_t._M_destroy_node(__node);
472 _M_t._M_construct_node(__node, _GLIBCXX_FORWARD(_Arg, __arg));
476 return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg));
486 _Base_ptr __node = _M_nodes;
487 _M_nodes = _M_nodes->_M_parent;
490 if (_M_nodes->_M_right == __node)
492 _M_nodes->_M_right = 0;
494 if (_M_nodes->_M_left)
496 _M_nodes = _M_nodes->_M_left;
498 while (_M_nodes->_M_right)
499 _M_nodes = _M_nodes->_M_right;
501 if (_M_nodes->_M_left)
502 _M_nodes = _M_nodes->_M_left;
506 _M_nodes->_M_left = 0;
523 _Alloc_node(_Rb_tree& __t)
526 template<
typename _Arg>
528 operator()(_GLIBCXX_FWDREF(_Arg) __arg)
const
529 {
return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg)); }
536 typedef _Key key_type;
537 typedef _Val value_type;
538 typedef value_type* pointer;
539 typedef const value_type* const_pointer;
540 typedef value_type& reference;
541 typedef const value_type& const_reference;
542 typedef size_t size_type;
543 typedef ptrdiff_t difference_type;
544 typedef _Alloc allocator_type;
547 _M_get_Node_allocator() _GLIBCXX_NOEXCEPT
548 {
return this->_M_impl; }
550 const _Node_allocator&
551 _M_get_Node_allocator() const _GLIBCXX_NOEXCEPT
552 {
return this->_M_impl; }
555 get_allocator() const _GLIBCXX_NOEXCEPT
556 {
return allocator_type(_M_get_Node_allocator()); }
564 _M_put_node(_Link_type __p) _GLIBCXX_NOEXCEPT
567 #if __cplusplus < 201103L
569 _M_construct_node(_Link_type __node,
const value_type& __x)
572 { get_allocator().construct(__node->_M_valptr(), __x); }
576 __throw_exception_again;
581 _M_create_node(
const value_type& __x)
583 _Link_type __tmp = _M_get_node();
584 _M_construct_node(__tmp, __x);
588 template<
typename... _Args>
590 _M_construct_node(_Link_type __node, _Args&&... __args)
594 ::new(__node) _Rb_tree_node<_Val>;
595 _Alloc_traits::construct(_M_get_Node_allocator(),
597 std::forward<_Args>(__args)...);
601 __node->~_Rb_tree_node<_Val>();
603 __throw_exception_again;
607 template<
typename... _Args>
609 _M_create_node(_Args&&... __args)
611 _Link_type __tmp = _M_get_node();
612 _M_construct_node(__tmp, std::forward<_Args>(__args)...);
618 _M_destroy_node(_Link_type __p) _GLIBCXX_NOEXCEPT
620 #if __cplusplus < 201103L
621 get_allocator().destroy(__p->_M_valptr());
623 _Alloc_traits::destroy(_M_get_Node_allocator(), __p->_M_valptr());
624 __p->~_Rb_tree_node<_Val>();
629 _M_drop_node(_Link_type __p) _GLIBCXX_NOEXCEPT
631 _M_destroy_node(__p);
635 template<
bool _MoveValue,
typename _NodeGen>
637 _M_clone_node(_Link_type __x, _NodeGen& __node_gen)
639 #if __cplusplus >= 201103L
640 using _Vp = __conditional_t<_MoveValue,
645 = __node_gen(_GLIBCXX_FORWARD(_Vp, *__x->_M_valptr()));
646 __tmp->_M_color = __x->_M_color;
653 #if _GLIBCXX_INLINE_VERSION
654 template<
typename _Key_compare>
657 template<
typename _Key_compare,
658 bool = __is_pod(_Key_compare)>
661 :
public _Node_allocator
662 ,
public _Rb_tree_key_compare<_Key_compare>
663 ,
public _Rb_tree_header
665 typedef _Rb_tree_key_compare<_Key_compare> _Base_key_compare;
668 _GLIBCXX_NOEXCEPT_IF(
669 is_nothrow_default_constructible<_Node_allocator>::value
670 && is_nothrow_default_constructible<_Base_key_compare>::value )
674 _Rb_tree_impl(
const _Rb_tree_impl& __x)
675 : _Node_allocator(_Alloc_traits::_S_select_on_copy(__x))
676 , _Base_key_compare(__x._M_key_compare)
680 #if __cplusplus < 201103L
681 _Rb_tree_impl(
const _Key_compare& __comp,
const _Node_allocator& __a)
682 : _Node_allocator(__a), _Base_key_compare(__comp)
685 _Rb_tree_impl(_Rb_tree_impl&&)
686 noexcept( is_nothrow_move_constructible<_Base_key_compare>::value )
690 _Rb_tree_impl(_Node_allocator&& __a)
691 : _Node_allocator(
std::
move(__a))
694 _Rb_tree_impl(_Rb_tree_impl&& __x, _Node_allocator&& __a)
695 : _Node_allocator(
std::
move(__a)),
696 _Base_key_compare(
std::
move(__x)),
697 _Rb_tree_header(
std::
move(__x))
700 _Rb_tree_impl(
const _Key_compare& __comp, _Node_allocator&& __a)
701 : _Node_allocator(
std::
move(__a)), _Base_key_compare(__comp)
706 _Rb_tree_impl<_Compare> _M_impl;
710 _M_root() _GLIBCXX_NOEXCEPT
711 {
return this->_M_impl._M_header._M_parent; }
714 _M_root() const _GLIBCXX_NOEXCEPT
715 {
return this->_M_impl._M_header._M_parent; }
718 _M_leftmost() _GLIBCXX_NOEXCEPT
719 {
return this->_M_impl._M_header._M_left; }
722 _M_leftmost() const _GLIBCXX_NOEXCEPT
723 {
return this->_M_impl._M_header._M_left; }
726 _M_rightmost() _GLIBCXX_NOEXCEPT
727 {
return this->_M_impl._M_header._M_right; }
730 _M_rightmost() const _GLIBCXX_NOEXCEPT
731 {
return this->_M_impl._M_header._M_right; }
734 _M_mbegin() const _GLIBCXX_NOEXCEPT
735 {
return static_cast<_Link_type
>(this->_M_impl._M_header._M_parent); }
738 _M_begin() _GLIBCXX_NOEXCEPT
739 {
return _M_mbegin(); }
742 _M_begin() const _GLIBCXX_NOEXCEPT
744 return static_cast<_Const_Link_type
>
745 (this->_M_impl._M_header._M_parent);
749 _M_end() _GLIBCXX_NOEXCEPT
750 {
return &this->_M_impl._M_header; }
753 _M_end() const _GLIBCXX_NOEXCEPT
754 {
return &this->_M_impl._M_header; }
757 _S_key(_Const_Link_type __x)
759 #if __cplusplus >= 201103L
762 static_assert(__is_invocable<_Compare&, const _Key&, const _Key&>{},
763 "comparison object must be invocable "
764 "with two arguments of key type");
765 # if __cplusplus >= 201703L
768 if constexpr (__is_invocable<_Compare&, const _Key&, const _Key&>{})
770 is_invocable_v<const _Compare&, const _Key&, const _Key&>,
771 "comparison object must be invocable as const");
775 return _KeyOfValue()(*__x->_M_valptr());
779 _S_left(_Base_ptr __x) _GLIBCXX_NOEXCEPT
780 {
return static_cast<_Link_type
>(__x->_M_left); }
782 static _Const_Link_type
783 _S_left(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
784 {
return static_cast<_Const_Link_type
>(__x->_M_left); }
787 _S_right(_Base_ptr __x) _GLIBCXX_NOEXCEPT
788 {
return static_cast<_Link_type
>(__x->_M_right); }
790 static _Const_Link_type
791 _S_right(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
792 {
return static_cast<_Const_Link_type
>(__x->_M_right); }
795 _S_key(_Const_Base_ptr __x)
796 {
return _S_key(
static_cast<_Const_Link_type
>(__x)); }
799 _S_minimum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
800 {
return _Rb_tree_node_base::_S_minimum(__x); }
802 static _Const_Base_ptr
803 _S_minimum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
804 {
return _Rb_tree_node_base::_S_minimum(__x); }
807 _S_maximum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
808 {
return _Rb_tree_node_base::_S_maximum(__x); }
810 static _Const_Base_ptr
811 _S_maximum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
812 {
return _Rb_tree_node_base::_S_maximum(__x); }
815 typedef _Rb_tree_iterator<value_type> iterator;
816 typedef _Rb_tree_const_iterator<value_type> const_iterator;
821 #if __cplusplus > 201402L
822 using node_type = _Node_handle<_Key, _Val, _Node_allocator>;
823 using insert_return_type = _Node_insert_return<
824 __conditional_t<is_same_v<_Key, _Val>, const_iterator, iterator>,
828 pair<_Base_ptr, _Base_ptr>
829 _M_get_insert_unique_pos(
const key_type& __k);
831 pair<_Base_ptr, _Base_ptr>
832 _M_get_insert_equal_pos(
const key_type& __k);
834 pair<_Base_ptr, _Base_ptr>
835 _M_get_insert_hint_unique_pos(const_iterator __pos,
836 const key_type& __k);
838 pair<_Base_ptr, _Base_ptr>
839 _M_get_insert_hint_equal_pos(const_iterator __pos,
840 const key_type& __k);
843 #if __cplusplus >= 201103L
844 template<
typename _Arg,
typename _NodeGen>
846 _M_insert_(_Base_ptr __x, _Base_ptr __y, _Arg&& __v, _NodeGen&);
849 _M_insert_node(_Base_ptr __x, _Base_ptr __y, _Link_type __z);
851 template<
typename _Arg>
853 _M_insert_lower(_Base_ptr __y, _Arg&& __v);
855 template<
typename _Arg>
857 _M_insert_equal_lower(_Arg&& __x);
860 _M_insert_lower_node(_Base_ptr __p, _Link_type __z);
863 _M_insert_equal_lower_node(_Link_type __z);
865 template<
typename _NodeGen>
867 _M_insert_(_Base_ptr __x, _Base_ptr __y,
868 const value_type& __v, _NodeGen&);
873 _M_insert_lower(_Base_ptr __y,
const value_type& __v);
876 _M_insert_equal_lower(
const value_type& __x);
879 enum { __as_lvalue, __as_rvalue };
881 template<
bool _MoveValues,
typename _NodeGen>
883 _M_copy(_Link_type, _Base_ptr, _NodeGen&);
885 template<
bool _MoveValues,
typename _NodeGen>
887 _M_copy(
const _Rb_tree& __x, _NodeGen& __gen)
890 _M_copy<_MoveValues>(__x._M_mbegin(), _M_end(), __gen);
891 _M_leftmost() = _S_minimum(__root);
892 _M_rightmost() = _S_maximum(__root);
893 _M_impl._M_node_count = __x._M_impl._M_node_count;
898 _M_copy(
const _Rb_tree& __x)
900 _Alloc_node __an(*
this);
901 return _M_copy<__as_lvalue>(__x, __an);
905 _M_erase(_Link_type __x);
908 _M_lower_bound(_Link_type __x, _Base_ptr __y,
912 _M_lower_bound(_Const_Link_type __x, _Const_Base_ptr __y,
913 const _Key& __k)
const;
916 _M_upper_bound(_Link_type __x, _Base_ptr __y,
920 _M_upper_bound(_Const_Link_type __x, _Const_Base_ptr __y,
921 const _Key& __k)
const;
925 #if __cplusplus < 201103L
928 _Rb_tree() =
default;
931 _Rb_tree(
const _Compare& __comp,
932 const allocator_type& __a = allocator_type())
933 : _M_impl(__comp, _Node_allocator(__a)) { }
935 _Rb_tree(
const _Rb_tree& __x)
936 : _M_impl(__x._M_impl)
938 if (__x._M_root() != 0)
939 _M_root() = _M_copy(__x);
942 #if __cplusplus >= 201103L
943 _Rb_tree(
const allocator_type& __a)
944 : _M_impl(_Node_allocator(__a))
947 _Rb_tree(
const _Rb_tree& __x,
const allocator_type& __a)
948 : _M_impl(__x._M_impl._M_key_compare, _Node_allocator(__a))
950 if (__x._M_root() !=
nullptr)
951 _M_root() = _M_copy(__x);
954 _Rb_tree(_Rb_tree&&) =
default;
956 _Rb_tree(_Rb_tree&& __x,
const allocator_type& __a)
957 : _Rb_tree(
std::
move(__x), _Node_allocator(__a))
961 _Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a,
true_type)
962 noexcept(is_nothrow_default_constructible<_Compare>::value)
966 _Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a,
false_type)
967 : _M_impl(__x._M_impl._M_key_compare,
std::
move(__a))
969 if (__x._M_root() !=
nullptr)
974 _Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a)
976 _Rb_tree(std::declval<_Rb_tree&&>(), std::declval<_Node_allocator&&>(),
977 std::declval<typename _Alloc_traits::is_always_equal>())) )
979 typename _Alloc_traits::is_always_equal{})
983 ~_Rb_tree() _GLIBCXX_NOEXCEPT
984 { _M_erase(_M_begin()); }
987 operator=(
const _Rb_tree& __x);
992 {
return _M_impl._M_key_compare; }
995 begin() _GLIBCXX_NOEXCEPT
996 {
return iterator(this->_M_impl._M_header._M_left); }
999 begin() const _GLIBCXX_NOEXCEPT
1000 {
return const_iterator(this->_M_impl._M_header._M_left); }
1003 end() _GLIBCXX_NOEXCEPT
1004 {
return iterator(&this->_M_impl._M_header); }
1007 end() const _GLIBCXX_NOEXCEPT
1008 {
return const_iterator(&this->_M_impl._M_header); }
1011 rbegin() _GLIBCXX_NOEXCEPT
1012 {
return reverse_iterator(
end()); }
1014 const_reverse_iterator
1015 rbegin() const _GLIBCXX_NOEXCEPT
1016 {
return const_reverse_iterator(
end()); }
1019 rend() _GLIBCXX_NOEXCEPT
1020 {
return reverse_iterator(
begin()); }
1022 const_reverse_iterator
1023 rend() const _GLIBCXX_NOEXCEPT
1024 {
return const_reverse_iterator(
begin()); }
1026 _GLIBCXX_NODISCARD
bool
1027 empty() const _GLIBCXX_NOEXCEPT
1028 {
return _M_impl._M_node_count == 0; }
1031 size() const _GLIBCXX_NOEXCEPT
1032 {
return _M_impl._M_node_count; }
1035 max_size() const _GLIBCXX_NOEXCEPT
1040 _GLIBCXX_NOEXCEPT_IF(__is_nothrow_swappable<_Compare>::value);
1043 #if __cplusplus >= 201103L
1044 template<
typename _Arg>
1045 pair<iterator, bool>
1046 _M_insert_unique(_Arg&& __x);
1048 template<
typename _Arg>
1050 _M_insert_equal(_Arg&& __x);
1052 template<
typename _Arg,
typename _NodeGen>
1054 _M_insert_unique_(const_iterator __pos, _Arg&& __x, _NodeGen&);
1056 template<
typename _Arg>
1058 _M_insert_unique_(const_iterator __pos, _Arg&& __x)
1060 _Alloc_node __an(*
this);
1061 return _M_insert_unique_(__pos, std::forward<_Arg>(__x), __an);
1064 template<
typename _Arg,
typename _NodeGen>
1066 _M_insert_equal_(const_iterator __pos, _Arg&& __x, _NodeGen&);
1068 template<
typename _Arg>
1070 _M_insert_equal_(const_iterator __pos, _Arg&& __x)
1072 _Alloc_node __an(*
this);
1073 return _M_insert_equal_(__pos, std::forward<_Arg>(__x), __an);
1076 template<
typename... _Args>
1077 pair<iterator, bool>
1078 _M_emplace_unique(_Args&&... __args);
1080 template<
typename... _Args>
1082 _M_emplace_equal(_Args&&... __args);
1084 template<
typename... _Args>
1086 _M_emplace_hint_unique(const_iterator __pos, _Args&&... __args);
1088 template<
typename... _Args>
1090 _M_emplace_hint_equal(const_iterator __pos, _Args&&... __args);
1092 template<
typename _Iter>
1093 using __same_value_type
1094 = is_same<value_type, typename iterator_traits<_Iter>::value_type>;
1096 template<
typename _InputIterator>
1097 __enable_if_t<__same_value_type<_InputIterator>::value>
1098 _M_insert_range_unique(_InputIterator __first, _InputIterator __last)
1100 _Alloc_node __an(*
this);
1101 for (; __first != __last; ++__first)
1102 _M_insert_unique_(
end(), *__first, __an);
1105 template<
typename _InputIterator>
1106 __enable_if_t<!__same_value_type<_InputIterator>::value>
1107 _M_insert_range_unique(_InputIterator __first, _InputIterator __last)
1109 for (; __first != __last; ++__first)
1110 _M_emplace_unique(*__first);
1113 template<
typename _InputIterator>
1114 __enable_if_t<__same_value_type<_InputIterator>::value>
1115 _M_insert_range_equal(_InputIterator __first, _InputIterator __last)
1117 _Alloc_node __an(*
this);
1118 for (; __first != __last; ++__first)
1119 _M_insert_equal_(
end(), *__first, __an);
1122 template<
typename _InputIterator>
1123 __enable_if_t<!__same_value_type<_InputIterator>::value>
1124 _M_insert_range_equal(_InputIterator __first, _InputIterator __last)
1126 _Alloc_node __an(*
this);
1127 for (; __first != __last; ++__first)
1128 _M_emplace_equal(*__first);
1131 pair<iterator, bool>
1132 _M_insert_unique(
const value_type& __x);
1135 _M_insert_equal(
const value_type& __x);
1137 template<
typename _NodeGen>
1139 _M_insert_unique_(const_iterator __pos,
const value_type& __x,
1143 _M_insert_unique_(const_iterator __pos,
const value_type& __x)
1145 _Alloc_node __an(*
this);
1146 return _M_insert_unique_(__pos, __x, __an);
1149 template<
typename _NodeGen>
1151 _M_insert_equal_(const_iterator __pos,
const value_type& __x,
1154 _M_insert_equal_(const_iterator __pos,
const value_type& __x)
1156 _Alloc_node __an(*
this);
1157 return _M_insert_equal_(__pos, __x, __an);
1160 template<
typename _InputIterator>
1162 _M_insert_range_unique(_InputIterator __first, _InputIterator __last)
1164 _Alloc_node __an(*
this);
1165 for (; __first != __last; ++__first)
1166 _M_insert_unique_(
end(), *__first, __an);
1169 template<
typename _InputIterator>
1171 _M_insert_range_equal(_InputIterator __first, _InputIterator __last)
1173 _Alloc_node __an(*
this);
1174 for (; __first != __last; ++__first)
1175 _M_insert_equal_(
end(), *__first, __an);
1181 _M_erase_aux(const_iterator __position);
1184 _M_erase_aux(const_iterator __first, const_iterator __last);
1187 #if __cplusplus >= 201103L
1190 _GLIBCXX_ABI_TAG_CXX11
1192 erase(const_iterator __position)
1194 __glibcxx_assert(__position !=
end());
1195 const_iterator __result = __position;
1197 _M_erase_aux(__position);
1198 return __result._M_const_cast();
1202 _GLIBCXX_ABI_TAG_CXX11
1204 erase(iterator __position)
1206 __glibcxx_assert(__position !=
end());
1207 iterator __result = __position;
1209 _M_erase_aux(__position);
1214 erase(iterator __position)
1216 __glibcxx_assert(__position !=
end());
1217 _M_erase_aux(__position);
1221 erase(const_iterator __position)
1223 __glibcxx_assert(__position !=
end());
1224 _M_erase_aux(__position);
1229 erase(
const key_type& __x);
1231 #if __cplusplus >= 201103L
1234 _GLIBCXX_ABI_TAG_CXX11
1236 erase(const_iterator __first, const_iterator __last)
1238 _M_erase_aux(__first, __last);
1239 return __last._M_const_cast();
1243 erase(iterator __first, iterator __last)
1244 { _M_erase_aux(__first, __last); }
1247 erase(const_iterator __first, const_iterator __last)
1248 { _M_erase_aux(__first, __last); }
1252 clear() _GLIBCXX_NOEXCEPT
1254 _M_erase(_M_begin());
1260 find(
const key_type& __k);
1263 find(
const key_type& __k)
const;
1266 count(
const key_type& __k)
const;
1269 lower_bound(
const key_type& __k)
1270 {
return _M_lower_bound(_M_begin(), _M_end(), __k); }
1273 lower_bound(
const key_type& __k)
const
1274 {
return _M_lower_bound(_M_begin(), _M_end(), __k); }
1277 upper_bound(
const key_type& __k)
1278 {
return _M_upper_bound(_M_begin(), _M_end(), __k); }
1281 upper_bound(
const key_type& __k)
const
1282 {
return _M_upper_bound(_M_begin(), _M_end(), __k); }
1284 pair<iterator, iterator>
1285 equal_range(
const key_type& __k);
1287 pair<const_iterator, const_iterator>
1288 equal_range(
const key_type& __k)
const;
1290 #if __cplusplus >= 201402L
1291 template<
typename _Kt,
1292 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1294 _M_find_tr(
const _Kt& __k)
1296 const _Rb_tree* __const_this =
this;
1297 return __const_this->_M_find_tr(__k)._M_const_cast();
1300 template<
typename _Kt,
1301 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1303 _M_find_tr(
const _Kt& __k)
const
1305 auto __j = _M_lower_bound_tr(__k);
1306 if (__j !=
end() && _M_impl._M_key_compare(__k, _S_key(__j._M_node)))
1311 template<
typename _Kt,
1312 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1314 _M_count_tr(
const _Kt& __k)
const
1316 auto __p = _M_equal_range_tr(__k);
1320 template<
typename _Kt,
1321 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1323 _M_lower_bound_tr(
const _Kt& __k)
1325 const _Rb_tree* __const_this =
this;
1326 return __const_this->_M_lower_bound_tr(__k)._M_const_cast();
1329 template<
typename _Kt,
1330 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1332 _M_lower_bound_tr(
const _Kt& __k)
const
1334 auto __x = _M_begin();
1335 auto __y = _M_end();
1337 if (!_M_impl._M_key_compare(_S_key(__x), __k))
1343 __x = _S_right(__x);
1344 return const_iterator(__y);
1347 template<
typename _Kt,
1348 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1350 _M_upper_bound_tr(
const _Kt& __k)
1352 const _Rb_tree* __const_this =
this;
1353 return __const_this->_M_upper_bound_tr(__k)._M_const_cast();
1356 template<
typename _Kt,
1357 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1359 _M_upper_bound_tr(
const _Kt& __k)
const
1361 auto __x = _M_begin();
1362 auto __y = _M_end();
1364 if (_M_impl._M_key_compare(__k, _S_key(__x)))
1370 __x = _S_right(__x);
1371 return const_iterator(__y);
1374 template<
typename _Kt,
1375 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1376 pair<iterator, iterator>
1377 _M_equal_range_tr(
const _Kt& __k)
1379 const _Rb_tree* __const_this =
this;
1380 auto __ret = __const_this->_M_equal_range_tr(__k);
1381 return { __ret.first._M_const_cast(), __ret.second._M_const_cast() };
1384 template<
typename _Kt,
1385 typename _Req = __has_is_transparent_t<_Compare, _Kt>>
1386 pair<const_iterator, const_iterator>
1387 _M_equal_range_tr(
const _Kt& __k)
const
1389 auto __low = _M_lower_bound_tr(__k);
1390 auto __high = __low;
1391 auto& __cmp = _M_impl._M_key_compare;
1392 while (__high !=
end() && !__cmp(__k, _S_key(__high._M_node)))
1394 return { __low, __high };
1400 __rb_verify()
const;
1402 #if __cplusplus >= 201103L
1404 operator=(_Rb_tree&&)
1405 noexcept(_Alloc_traits::_S_nothrow_move()
1406 && is_nothrow_move_assignable<_Compare>::value);
1408 template<typename _Iterator>
1410 _M_assign_unique(_Iterator, _Iterator);
1412 template<typename _Iterator>
1414 _M_assign_equal(_Iterator, _Iterator);
1420 { _M_impl._M_move_data(__x._M_impl); }
1437 #if __cplusplus > 201402L
1441 _M_reinsert_node_unique(node_type&& __nh)
1443 insert_return_type __ret;
1445 __ret.position =
end();
1448 __glibcxx_assert(_M_get_Node_allocator() == *__nh._M_alloc);
1450 auto __res = _M_get_insert_unique_pos(__nh._M_key());
1454 = _M_insert_node(__res.first, __res.second, __nh._M_ptr);
1455 __nh._M_ptr =
nullptr;
1456 __ret.inserted =
true;
1461 __ret.position = iterator(__res.first);
1462 __ret.inserted =
false;
1470 _M_reinsert_node_equal(node_type&& __nh)
1477 __glibcxx_assert(_M_get_Node_allocator() == *__nh._M_alloc);
1478 auto __res = _M_get_insert_equal_pos(__nh._M_key());
1480 __ret = _M_insert_node(__res.first, __res.second, __nh._M_ptr);
1482 __ret = _M_insert_equal_lower_node(__nh._M_ptr);
1483 __nh._M_ptr =
nullptr;
1490 _M_reinsert_node_hint_unique(const_iterator __hint, node_type&& __nh)
1497 __glibcxx_assert(_M_get_Node_allocator() == *__nh._M_alloc);
1498 auto __res = _M_get_insert_hint_unique_pos(__hint, __nh._M_key());
1501 __ret = _M_insert_node(__res.first, __res.second, __nh._M_ptr);
1502 __nh._M_ptr =
nullptr;
1505 __ret = iterator(__res.first);
1512 _M_reinsert_node_hint_equal(const_iterator __hint, node_type&& __nh)
1519 __glibcxx_assert(_M_get_Node_allocator() == *__nh._M_alloc);
1520 auto __res = _M_get_insert_hint_equal_pos(__hint, __nh._M_key());
1522 __ret = _M_insert_node(__res.first, __res.second, __nh._M_ptr);
1524 __ret = _M_insert_equal_lower_node(__nh._M_ptr);
1525 __nh._M_ptr =
nullptr;
1532 extract(const_iterator __pos)
1534 auto __ptr = _Rb_tree_rebalance_for_erase(
1535 __pos._M_const_cast()._M_node, _M_impl._M_header);
1536 --_M_impl._M_node_count;
1537 return {
static_cast<_Link_type
>(__ptr), _M_get_Node_allocator() };
1542 extract(
const key_type& __k)
1545 auto __pos = find(__k);
1547 __nh = extract(const_iterator(__pos));
1551 template<
typename _Compare2>
1552 using _Compatible_tree
1553 = _Rb_tree<_Key, _Val, _KeyOfValue, _Compare2, _Alloc>;
1555 template<
typename,
typename>
1556 friend class _Rb_tree_merge_helper;
1559 template<
typename _Compare2>
1561 _M_merge_unique(_Compatible_tree<_Compare2>& __src) noexcept
1563 using _Merge_helper = _Rb_tree_merge_helper<_Rb_tree, _Compare2>;
1564 for (
auto __i = __src.begin(), __end = __src.end(); __i != __end;)
1567 auto __res = _M_get_insert_unique_pos(_KeyOfValue()(*__pos));
1570 auto& __src_impl = _Merge_helper::_S_get_impl(__src);
1571 auto __ptr = _Rb_tree_rebalance_for_erase(
1572 __pos._M_node, __src_impl._M_header);
1573 --__src_impl._M_node_count;
1574 _M_insert_node(__res.first, __res.second,
1575 static_cast<_Link_type
>(__ptr));
1581 template<
typename _Compare2>
1583 _M_merge_equal(_Compatible_tree<_Compare2>& __src) noexcept
1585 using _Merge_helper = _Rb_tree_merge_helper<_Rb_tree, _Compare2>;
1586 for (
auto __i = __src.begin(), __end = __src.end(); __i != __end;)
1589 auto __res = _M_get_insert_equal_pos(_KeyOfValue()(*__pos));
1592 auto& __src_impl = _Merge_helper::_S_get_impl(__src);
1593 auto __ptr = _Rb_tree_rebalance_for_erase(
1594 __pos._M_node, __src_impl._M_header);
1595 --__src_impl._M_node_count;
1596 _M_insert_node(__res.first, __res.second,
1597 static_cast<_Link_type
>(__ptr));
1604 operator==(
const _Rb_tree& __x,
const _Rb_tree& __y)
1606 return __x.size() == __y.size()
1607 && std::equal(__x.begin(), __x.end(), __y.begin());
1610 #if __cpp_lib_three_way_comparison
1612 operator<=>(
const _Rb_tree& __x,
const _Rb_tree& __y)
1614 if constexpr (requires {
typename __detail::__synth3way_t<_Val>; })
1615 return std::lexicographical_compare_three_way(__x.begin(), __x.end(),
1616 __y.begin(), __y.end(),
1617 __detail::__synth3way);
1621 operator<(
const _Rb_tree& __x,
const _Rb_tree& __y)
1623 return std::lexicographical_compare(__x.begin(), __x.end(),
1624 __y.begin(), __y.end());
1629 #if __cplusplus >= 201103L
1633 template<
typename... _Args>
1634 _Auto_node(_Rb_tree& __t, _Args&&... __args)
1636 _M_node(__t._M_create_node(
std::
forward<_Args>(__args)...))
1642 _M_t._M_drop_node(_M_node);
1645 _Auto_node(_Auto_node&& __n)
1646 : _M_t(__n._M_t), _M_node(__n._M_node)
1647 { __n._M_node =
nullptr; }
1651 {
return _S_key(_M_node); }
1654 _M_insert(pair<_Base_ptr, _Base_ptr> __p)
1656 auto __it = _M_t._M_insert_node(__p.first, __p.second, _M_node);
1662 _M_insert_equal_lower()
1664 auto __it = _M_t._M_insert_equal_lower_node(_M_node);
1675 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1676 typename _Compare,
typename _Alloc>
1678 swap(_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
1679 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
1682 #if __cplusplus >= 201103L
1683 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1684 typename _Compare,
typename _Alloc>
1686 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1689 if (_M_get_Node_allocator() == __x._M_get_Node_allocator())
1693 constexpr
bool __move = !__move_if_noexcept_cond<value_type>::value;
1694 _Alloc_node __an(*
this);
1695 _M_root() = _M_copy<__move>(__x, __an);
1696 if _GLIBCXX17_CONSTEXPR (__move)
1701 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1702 typename _Compare,
typename _Alloc>
1704 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1705 _M_move_assign(_Rb_tree& __x,
true_type)
1708 if (__x._M_root() !=
nullptr)
1710 std::__alloc_on_move(_M_get_Node_allocator(),
1711 __x._M_get_Node_allocator());
1714 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1715 typename _Compare,
typename _Alloc>
1717 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1720 if (_M_get_Node_allocator() == __x._M_get_Node_allocator())
1721 return _M_move_assign(__x,
true_type{});
1725 _Reuse_or_alloc_node __roan(*
this);
1727 if (__x._M_root() !=
nullptr)
1729 _M_root() = _M_copy<__as_rvalue>(__x, __roan);
1734 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1735 typename _Compare,
typename _Alloc>
1736 inline _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&
1737 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1738 operator=(_Rb_tree&& __x)
1739 noexcept(_Alloc_traits::_S_nothrow_move()
1740 && is_nothrow_move_assignable<_Compare>::value)
1742 _M_impl._M_key_compare =
std::move(__x._M_impl._M_key_compare);
1743 _M_move_assign(__x, __bool_constant<_Alloc_traits::_S_nothrow_move()>());
1747 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1748 typename _Compare,
typename _Alloc>
1749 template<
typename _Iterator>
1751 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1752 _M_assign_unique(_Iterator __first, _Iterator __last)
1754 _Reuse_or_alloc_node __roan(*
this);
1756 for (; __first != __last; ++__first)
1757 _M_insert_unique_(
end(), *__first, __roan);
1760 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1761 typename _Compare,
typename _Alloc>
1762 template<
typename _Iterator>
1764 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1765 _M_assign_equal(_Iterator __first, _Iterator __last)
1767 _Reuse_or_alloc_node __roan(*
this);
1769 for (; __first != __last; ++__first)
1770 _M_insert_equal_(
end(), *__first, __roan);
1774 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1775 typename _Compare,
typename _Alloc>
1776 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&
1777 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1778 operator=(
const _Rb_tree& __x)
1783 #if __cplusplus >= 201103L
1784 if (_Alloc_traits::_S_propagate_on_copy_assign())
1786 auto& __this_alloc = this->_M_get_Node_allocator();
1787 auto& __that_alloc = __x._M_get_Node_allocator();
1788 if (!_Alloc_traits::_S_always_equal()
1789 && __this_alloc != __that_alloc)
1794 std::__alloc_on_copy(__this_alloc, __that_alloc);
1799 _Reuse_or_alloc_node __roan(*
this);
1801 _M_impl._M_key_compare = __x._M_impl._M_key_compare;
1802 if (__x._M_root() != 0)
1803 _M_root() = _M_copy<__as_lvalue>(__x, __roan);
1809 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1810 typename _Compare,
typename _Alloc>
1811 #if __cplusplus >= 201103L
1812 template<
typename _Arg,
typename _NodeGen>
1814 template<
typename _NodeGen>
1816 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
1817 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1818 _M_insert_(_Base_ptr __x, _Base_ptr __p,
1819 #
if __cplusplus >= 201103L
1824 _NodeGen& __node_gen)
1826 bool __insert_left = (__x != 0 || __p == _M_end()
1827 || _M_impl._M_key_compare(_KeyOfValue()(__v),
1830 _Link_type __z = __node_gen(_GLIBCXX_FORWARD(_Arg, __v));
1832 _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
1833 this->_M_impl._M_header);
1834 ++_M_impl._M_node_count;
1835 return iterator(__z);
1838 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1839 typename _Compare,
typename _Alloc>
1840 #if __cplusplus >= 201103L
1841 template<
typename _Arg>
1843 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
1844 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1845 #if __cplusplus >= 201103L
1846 _M_insert_lower(_Base_ptr __p, _Arg&& __v)
1848 _M_insert_lower(_Base_ptr __p,
const _Val& __v)
1851 bool __insert_left = (__p == _M_end()
1852 || !_M_impl._M_key_compare(_S_key(__p),
1853 _KeyOfValue()(__v)));
1855 _Link_type __z = _M_create_node(_GLIBCXX_FORWARD(_Arg, __v));
1857 _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
1858 this->_M_impl._M_header);
1859 ++_M_impl._M_node_count;
1860 return iterator(__z);
1863 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1864 typename _Compare,
typename _Alloc>
1865 #if __cplusplus >= 201103L
1866 template<
typename _Arg>
1868 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
1869 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1870 #if __cplusplus >= 201103L
1871 _M_insert_equal_lower(_Arg&& __v)
1873 _M_insert_equal_lower(
const _Val& __v)
1876 _Link_type __x = _M_begin();
1877 _Base_ptr __y = _M_end();
1881 __x = !_M_impl._M_key_compare(_S_key(__x), _KeyOfValue()(__v)) ?
1882 _S_left(__x) : _S_right(__x);
1884 return _M_insert_lower(__y, _GLIBCXX_FORWARD(_Arg, __v));
1887 template<
typename _Key,
typename _Val,
typename _KoV,
1888 typename _Compare,
typename _Alloc>
1889 template<
bool _MoveValues,
typename _NodeGen>
1890 typename _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::_Link_type
1891 _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::
1892 _M_copy(_Link_type __x, _Base_ptr __p, _NodeGen& __node_gen)
1895 _Link_type __top = _M_clone_node<_MoveValues>(__x, __node_gen);
1896 __top->_M_parent = __p;
1902 _M_copy<_MoveValues>(_S_right(__x), __top, __node_gen);
1908 _Link_type __y = _M_clone_node<_MoveValues>(__x, __node_gen);
1910 __y->_M_parent = __p;
1912 __y->_M_right = _M_copy<_MoveValues>(_S_right(__x),
1921 __throw_exception_again;
1926 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1927 typename _Compare,
typename _Alloc>
1929 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1930 _M_erase(_Link_type __x)
1935 _M_erase(_S_right(__x));
1936 _Link_type __y = _S_left(__x);
1942 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1943 typename _Compare,
typename _Alloc>
1944 typename _Rb_tree<_Key, _Val, _KeyOfValue,
1945 _Compare, _Alloc>::iterator
1946 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1947 _M_lower_bound(_Link_type __x, _Base_ptr __y,
1951 if (!_M_impl._M_key_compare(_S_key(__x), __k))
1952 __y = __x, __x = _S_left(__x);
1954 __x = _S_right(__x);
1955 return iterator(__y);
1958 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1959 typename _Compare,
typename _Alloc>
1960 typename _Rb_tree<_Key, _Val, _KeyOfValue,
1961 _Compare, _Alloc>::const_iterator
1962 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1963 _M_lower_bound(_Const_Link_type __x, _Const_Base_ptr __y,
1964 const _Key& __k)
const
1967 if (!_M_impl._M_key_compare(_S_key(__x), __k))
1968 __y = __x, __x = _S_left(__x);
1970 __x = _S_right(__x);
1971 return const_iterator(__y);
1974 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1975 typename _Compare,
typename _Alloc>
1976 typename _Rb_tree<_Key, _Val, _KeyOfValue,
1977 _Compare, _Alloc>::iterator
1978 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1979 _M_upper_bound(_Link_type __x, _Base_ptr __y,
1983 if (_M_impl._M_key_compare(__k, _S_key(__x)))
1984 __y = __x, __x = _S_left(__x);
1986 __x = _S_right(__x);
1987 return iterator(__y);
1990 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
1991 typename _Compare,
typename _Alloc>
1992 typename _Rb_tree<_Key, _Val, _KeyOfValue,
1993 _Compare, _Alloc>::const_iterator
1994 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
1995 _M_upper_bound(_Const_Link_type __x, _Const_Base_ptr __y,
1996 const _Key& __k)
const
1999 if (_M_impl._M_key_compare(__k, _S_key(__x)))
2000 __y = __x, __x = _S_left(__x);
2002 __x = _S_right(__x);
2003 return const_iterator(__y);
2006 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2007 typename _Compare,
typename _Alloc>
2008 pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
2009 _Compare, _Alloc>::iterator,
2010 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2011 _Compare, _Alloc>::iterator>
2012 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2013 equal_range(
const _Key& __k)
2015 _Link_type __x = _M_begin();
2016 _Base_ptr __y = _M_end();
2019 if (_M_impl._M_key_compare(_S_key(__x), __k))
2020 __x = _S_right(__x);
2021 else if (_M_impl._M_key_compare(__k, _S_key(__x)))
2022 __y = __x, __x = _S_left(__x);
2025 _Link_type __xu(__x);
2026 _Base_ptr __yu(__y);
2027 __y = __x, __x = _S_left(__x);
2028 __xu = _S_right(__xu);
2029 return pair<iterator,
2030 iterator>(_M_lower_bound(__x, __y, __k),
2031 _M_upper_bound(__xu, __yu, __k));
2034 return pair<iterator, iterator>(iterator(__y),
2038 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2039 typename _Compare,
typename _Alloc>
2040 pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
2041 _Compare, _Alloc>::const_iterator,
2042 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2043 _Compare, _Alloc>::const_iterator>
2044 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2045 equal_range(
const _Key& __k)
const
2047 _Const_Link_type __x = _M_begin();
2048 _Const_Base_ptr __y = _M_end();
2051 if (_M_impl._M_key_compare(_S_key(__x), __k))
2052 __x = _S_right(__x);
2053 else if (_M_impl._M_key_compare(__k, _S_key(__x)))
2054 __y = __x, __x = _S_left(__x);
2057 _Const_Link_type __xu(__x);
2058 _Const_Base_ptr __yu(__y);
2059 __y = __x, __x = _S_left(__x);
2060 __xu = _S_right(__xu);
2061 return pair<const_iterator,
2062 const_iterator>(_M_lower_bound(__x, __y, __k),
2063 _M_upper_bound(__xu, __yu, __k));
2066 return pair<const_iterator, const_iterator>(const_iterator(__y),
2067 const_iterator(__y));
2070 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2071 typename _Compare,
typename _Alloc>
2073 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2075 _GLIBCXX_NOEXCEPT_IF(__is_nothrow_swappable<_Compare>::value)
2079 if (__t._M_root() != 0)
2080 _M_impl._M_move_data(__t._M_impl);
2082 else if (__t._M_root() == 0)
2083 __t._M_impl._M_move_data(_M_impl);
2087 std::swap(_M_leftmost(),__t._M_leftmost());
2088 std::swap(_M_rightmost(),__t._M_rightmost());
2090 _M_root()->_M_parent = _M_end();
2091 __t._M_root()->_M_parent = __t._M_end();
2092 std::swap(this->_M_impl._M_node_count, __t._M_impl._M_node_count);
2095 std::swap(this->_M_impl._M_key_compare, __t._M_impl._M_key_compare);
2097 _Alloc_traits::_S_on_swap(_M_get_Node_allocator(),
2098 __t._M_get_Node_allocator());
2101 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2102 typename _Compare,
typename _Alloc>
2103 pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
2104 _Compare, _Alloc>::_Base_ptr,
2105 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2106 _Compare, _Alloc>::_Base_ptr>
2107 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2108 _M_get_insert_unique_pos(
const key_type& __k)
2110 typedef pair<_Base_ptr, _Base_ptr> _Res;
2111 _Link_type __x = _M_begin();
2112 _Base_ptr __y = _M_end();
2117 __comp = _M_impl._M_key_compare(__k, _S_key(__x));
2118 __x = __comp ? _S_left(__x) : _S_right(__x);
2120 iterator __j = iterator(__y);
2124 return _Res(__x, __y);
2128 if (_M_impl._M_key_compare(_S_key(__j._M_node), __k))
2129 return _Res(__x, __y);
2130 return _Res(__j._M_node, 0);
2133 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2134 typename _Compare,
typename _Alloc>
2135 pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
2136 _Compare, _Alloc>::_Base_ptr,
2137 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2138 _Compare, _Alloc>::_Base_ptr>
2139 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2140 _M_get_insert_equal_pos(
const key_type& __k)
2142 typedef pair<_Base_ptr, _Base_ptr> _Res;
2143 _Link_type __x = _M_begin();
2144 _Base_ptr __y = _M_end();
2148 __x = _M_impl._M_key_compare(__k, _S_key(__x)) ?
2149 _S_left(__x) : _S_right(__x);
2151 return _Res(__x, __y);
2154 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2155 typename _Compare,
typename _Alloc>
2156 #if __cplusplus >= 201103L
2157 template<
typename _Arg>
2159 pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
2160 _Compare, _Alloc>::iterator,
bool>
2161 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2162 #if __cplusplus >= 201103L
2163 _M_insert_unique(_Arg&& __v)
2165 _M_insert_unique(
const _Val& __v)
2168 typedef pair<iterator, bool> _Res;
2169 pair<_Base_ptr, _Base_ptr> __res
2170 = _M_get_insert_unique_pos(_KeyOfValue()(__v));
2174 _Alloc_node __an(*
this);
2175 return _Res(_M_insert_(__res.first, __res.second,
2176 _GLIBCXX_FORWARD(_Arg, __v), __an),
2180 return _Res(iterator(__res.first),
false);
2183 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2184 typename _Compare,
typename _Alloc>
2185 #if __cplusplus >= 201103L
2186 template<
typename _Arg>
2188 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
2189 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2190 #if __cplusplus >= 201103L
2191 _M_insert_equal(_Arg&& __v)
2193 _M_insert_equal(
const _Val& __v)
2196 pair<_Base_ptr, _Base_ptr> __res
2197 = _M_get_insert_equal_pos(_KeyOfValue()(__v));
2198 _Alloc_node __an(*
this);
2199 return _M_insert_(__res.first, __res.second,
2200 _GLIBCXX_FORWARD(_Arg, __v), __an);
2203 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2204 typename _Compare,
typename _Alloc>
2205 pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
2206 _Compare, _Alloc>::_Base_ptr,
2207 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2208 _Compare, _Alloc>::_Base_ptr>
2209 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2210 _M_get_insert_hint_unique_pos(const_iterator __position,
2211 const key_type& __k)
2213 iterator __pos = __position._M_const_cast();
2214 typedef pair<_Base_ptr, _Base_ptr> _Res;
2217 if (__pos._M_node == _M_end())
2220 && _M_impl._M_key_compare(_S_key(_M_rightmost()), __k))
2221 return _Res(0, _M_rightmost());
2223 return _M_get_insert_unique_pos(__k);
2225 else if (_M_impl._M_key_compare(__k, _S_key(__pos._M_node)))
2228 iterator __before = __pos;
2229 if (__pos._M_node == _M_leftmost())
2230 return _Res(_M_leftmost(), _M_leftmost());
2231 else if (_M_impl._M_key_compare(_S_key((--__before)._M_node), __k))
2233 if (_S_right(__before._M_node) == 0)
2234 return _Res(0, __before._M_node);
2236 return _Res(__pos._M_node, __pos._M_node);
2239 return _M_get_insert_unique_pos(__k);
2241 else if (_M_impl._M_key_compare(_S_key(__pos._M_node), __k))
2244 iterator __after = __pos;
2245 if (__pos._M_node == _M_rightmost())
2246 return _Res(0, _M_rightmost());
2247 else if (_M_impl._M_key_compare(__k, _S_key((++__after)._M_node)))
2249 if (_S_right(__pos._M_node) == 0)
2250 return _Res(0, __pos._M_node);
2252 return _Res(__after._M_node, __after._M_node);
2255 return _M_get_insert_unique_pos(__k);
2259 return _Res(__pos._M_node, 0);
2262 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2263 typename _Compare,
typename _Alloc>
2264 #if __cplusplus >= 201103L
2265 template<
typename _Arg,
typename _NodeGen>
2267 template<
typename _NodeGen>
2269 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
2270 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2271 _M_insert_unique_(const_iterator __position,
2272 #
if __cplusplus >= 201103L
2277 _NodeGen& __node_gen)
2279 pair<_Base_ptr, _Base_ptr> __res
2280 = _M_get_insert_hint_unique_pos(__position, _KeyOfValue()(__v));
2283 return _M_insert_(__res.first, __res.second,
2284 _GLIBCXX_FORWARD(_Arg, __v),
2286 return iterator(__res.first);
2289 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2290 typename _Compare,
typename _Alloc>
2291 pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
2292 _Compare, _Alloc>::_Base_ptr,
2293 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2294 _Compare, _Alloc>::_Base_ptr>
2295 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2296 _M_get_insert_hint_equal_pos(const_iterator __position,
const key_type& __k)
2298 iterator __pos = __position._M_const_cast();
2299 typedef pair<_Base_ptr, _Base_ptr> _Res;
2302 if (__pos._M_node == _M_end())
2305 && !_M_impl._M_key_compare(__k, _S_key(_M_rightmost())))
2306 return _Res(0, _M_rightmost());
2308 return _M_get_insert_equal_pos(__k);
2310 else if (!_M_impl._M_key_compare(_S_key(__pos._M_node), __k))
2313 iterator __before = __pos;
2314 if (__pos._M_node == _M_leftmost())
2315 return _Res(_M_leftmost(), _M_leftmost());
2316 else if (!_M_impl._M_key_compare(__k, _S_key((--__before)._M_node)))
2318 if (_S_right(__before._M_node) == 0)
2319 return _Res(0, __before._M_node);
2321 return _Res(__pos._M_node, __pos._M_node);
2324 return _M_get_insert_equal_pos(__k);
2329 iterator __after = __pos;
2330 if (__pos._M_node == _M_rightmost())
2331 return _Res(0, _M_rightmost());
2332 else if (!_M_impl._M_key_compare(_S_key((++__after)._M_node), __k))
2334 if (_S_right(__pos._M_node) == 0)
2335 return _Res(0, __pos._M_node);
2337 return _Res(__after._M_node, __after._M_node);
2344 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2345 typename _Compare,
typename _Alloc>
2346 #if __cplusplus >= 201103L
2347 template<
typename _Arg,
typename _NodeGen>
2349 template<
typename _NodeGen>
2351 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
2352 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2353 _M_insert_equal_(const_iterator __position,
2354 #
if __cplusplus >= 201103L
2359 _NodeGen& __node_gen)
2361 pair<_Base_ptr, _Base_ptr> __res
2362 = _M_get_insert_hint_equal_pos(__position, _KeyOfValue()(__v));
2365 return _M_insert_(__res.first, __res.second,
2366 _GLIBCXX_FORWARD(_Arg, __v),
2369 return _M_insert_equal_lower(_GLIBCXX_FORWARD(_Arg, __v));
2372 #if __cplusplus >= 201103L
2373 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2374 typename _Compare,
typename _Alloc>
2376 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2377 _M_insert_node(_Base_ptr __x, _Base_ptr __p, _Link_type __z)
2380 bool __insert_left = (__x != 0 || __p == _M_end()
2381 || _M_impl._M_key_compare(_S_key(__z),
2384 _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
2385 this->_M_impl._M_header);
2386 ++_M_impl._M_node_count;
2387 return iterator(__z);
2390 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2391 typename _Compare,
typename _Alloc>
2393 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2394 _M_insert_lower_node(_Base_ptr __p, _Link_type __z)
2397 bool __insert_left = (__p == _M_end()
2398 || !_M_impl._M_key_compare(_S_key(__p),
2401 _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
2402 this->_M_impl._M_header);
2403 ++_M_impl._M_node_count;
2404 return iterator(__z);
2407 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2408 typename _Compare,
typename _Alloc>
2410 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2411 _M_insert_equal_lower_node(_Link_type __z)
2414 _Link_type __x = _M_begin();
2415 _Base_ptr __y = _M_end();
2419 __x = !_M_impl._M_key_compare(_S_key(__x), _S_key(__z)) ?
2420 _S_left(__x) : _S_right(__x);
2422 return _M_insert_lower_node(__y, __z);
2425 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2426 typename _Compare,
typename _Alloc>
2427 template<
typename... _Args>
2429 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2430 _M_emplace_unique(_Args&&... __args)
2431 -> pair<iterator, bool>
2433 _Auto_node __z(*
this, std::forward<_Args>(__args)...);
2434 auto __res = _M_get_insert_unique_pos(__z._M_key());
2436 return {__z._M_insert(__res),
true};
2437 return {iterator(__res.first),
false};
2440 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2441 typename _Compare,
typename _Alloc>
2442 template<
typename... _Args>
2444 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2445 _M_emplace_equal(_Args&&... __args)
2448 _Auto_node __z(*
this, std::forward<_Args>(__args)...);
2449 auto __res = _M_get_insert_equal_pos(__z._M_key());
2450 return __z._M_insert(__res);
2453 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2454 typename _Compare,
typename _Alloc>
2455 template<
typename... _Args>
2457 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2458 _M_emplace_hint_unique(const_iterator __pos, _Args&&... __args)
2461 _Auto_node __z(*
this, std::forward<_Args>(__args)...);
2462 auto __res = _M_get_insert_hint_unique_pos(__pos, __z._M_key());
2464 return __z._M_insert(__res);
2465 return iterator(__res.first);
2468 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2469 typename _Compare,
typename _Alloc>
2470 template<
typename... _Args>
2472 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2473 _M_emplace_hint_equal(const_iterator __pos, _Args&&... __args)
2476 _Auto_node __z(*
this, std::forward<_Args>(__args)...);
2477 auto __res = _M_get_insert_hint_equal_pos(__pos, __z._M_key());
2479 return __z._M_insert(__res);
2480 return __z._M_insert_equal_lower();
2485 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2486 typename _Compare,
typename _Alloc>
2488 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2489 _M_erase_aux(const_iterator __position)
2492 static_cast<_Link_type
>(_Rb_tree_rebalance_for_erase
2493 (
const_cast<_Base_ptr
>(__position._M_node),
2494 this->_M_impl._M_header));
2496 --_M_impl._M_node_count;
2499 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2500 typename _Compare,
typename _Alloc>
2502 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2503 _M_erase_aux(const_iterator __first, const_iterator __last)
2505 if (__first ==
begin() && __last ==
end())
2508 while (__first != __last)
2509 _M_erase_aux(__first++);
2512 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2513 typename _Compare,
typename _Alloc>
2514 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::size_type
2515 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2516 erase(
const _Key& __x)
2518 pair<iterator, iterator> __p = equal_range(__x);
2519 const size_type __old_size =
size();
2520 _M_erase_aux(__p.first, __p.second);
2521 return __old_size -
size();
2524 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2525 typename _Compare,
typename _Alloc>
2526 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2527 _Compare, _Alloc>::iterator
2528 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2529 find(
const _Key& __k)
2531 iterator __j = _M_lower_bound(_M_begin(), _M_end(), __k);
2532 return (__j ==
end()
2533 || _M_impl._M_key_compare(__k,
2534 _S_key(__j._M_node))) ?
end() : __j;
2537 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2538 typename _Compare,
typename _Alloc>
2539 typename _Rb_tree<_Key, _Val, _KeyOfValue,
2540 _Compare, _Alloc>::const_iterator
2541 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2542 find(
const _Key& __k)
const
2544 const_iterator __j = _M_lower_bound(_M_begin(), _M_end(), __k);
2545 return (__j ==
end()
2546 || _M_impl._M_key_compare(__k,
2547 _S_key(__j._M_node))) ?
end() : __j;
2550 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2551 typename _Compare,
typename _Alloc>
2552 typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::size_type
2553 _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
2554 count(
const _Key& __k)
const
2556 pair<const_iterator, const_iterator> __p = equal_range(__k);
2561 _GLIBCXX_PURE
unsigned int
2562 _Rb_tree_black_count(
const _Rb_tree_node_base* __node,
2563 const _Rb_tree_node_base* __root)
throw ();
2565 template<
typename _Key,
typename _Val,
typename _KeyOfValue,
2566 typename _Compare,
typename _Alloc>
2568 _Rb_tree<_Key,_Val,_KeyOfValue,_Compare,_Alloc>::__rb_verify()
const
2570 if (_M_impl._M_node_count == 0 ||
begin() ==
end())
2571 return _M_impl._M_node_count == 0 &&
begin() ==
end()
2572 && this->_M_impl._M_header._M_left == _M_end()
2573 && this->_M_impl._M_header._M_right == _M_end();
2575 unsigned int __len = _Rb_tree_black_count(_M_leftmost(), _M_root());
2576 for (const_iterator __it =
begin(); __it !=
end(); ++__it)
2578 _Const_Link_type __x =
static_cast<_Const_Link_type
>(__it._M_node);
2579 _Const_Link_type __L = _S_left(__x);
2580 _Const_Link_type __R = _S_right(__x);
2582 if (__x->_M_color == _S_red)
2583 if ((__L && __L->_M_color == _S_red)
2584 || (__R && __R->_M_color == _S_red))
2587 if (__L && _M_impl._M_key_compare(_S_key(__x), _S_key(__L)))
2589 if (__R && _M_impl._M_key_compare(_S_key(__R), _S_key(__x)))
2592 if (!__L && !__R && _Rb_tree_black_count(__x, _M_root()) != __len)
2596 if (_M_leftmost() != _Rb_tree_node_base::_S_minimum(_M_root()))
2598 if (_M_rightmost() != _Rb_tree_node_base::_S_maximum(_M_root()))
2603 #if __cplusplus > 201402L
2605 template<
typename _Key,
typename _Val,
typename _Sel,
typename _Cmp1,
2606 typename _Alloc,
typename _Cmp2>
2607 struct _Rb_tree_merge_helper<_Rb_tree<_Key, _Val, _Sel, _Cmp1, _Alloc>,
2611 friend class _Rb_tree<_Key, _Val, _Sel, _Cmp1, _Alloc>;
2614 _S_get_impl(_Rb_tree<_Key, _Val, _Sel, _Cmp2, _Alloc>& __tree)
2615 {
return __tree._M_impl; }
2619 _GLIBCXX_END_NAMESPACE_VERSION
constexpr complex< _Tp > operator*(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x times y.
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value.
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value.
constexpr _Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof.
constexpr std::remove_reference< _Tp >::type && move(_Tp &&__t) noexcept
Convert a value to an rvalue.
constexpr _Tp && forward(typename std::remove_reference< _Tp >::type &__t) noexcept
Forward an lvalue.
void swap(any &__x, any &__y) noexcept
Exchange the states of two any objects.
_Tp * end(valarray< _Tp > &__va) noexcept
Return an iterator pointing to one past the last element of the valarray.
_Tp * begin(valarray< _Tp > &__va) noexcept
Return an iterator pointing to the first element of the valarray.
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 rend(_Container &__cont) -> decltype(__cont.rend())
Return a reverse iterator pointing one past the first element of the container.
constexpr auto empty(const _Container &__cont) noexcept(noexcept(__cont.empty())) -> decltype(__cont.empty())
Return whether a container is empty.
constexpr auto size(const _Container &__cont) noexcept(noexcept(__cont.size())) -> decltype(__cont.size())
Return the size of a container.
constexpr auto rbegin(_Container &__cont) -> decltype(__cont.rbegin())
Return a reverse iterator pointing to the last element of the container.
Uniform interface to C++98 and C++11 allocators.
static constexpr pointer allocate(_Alloc &__a, size_type __n)
Allocate memory.
static constexpr void deallocate(_Alloc &__a, pointer __p, size_type __n)
Deallocate memory.
static constexpr size_type max_size(const _Alloc &__a) noexcept
The maximum supported allocation size.