61 #pragma GCC system_header    68 #if __cplusplus >= 201103L    72 namespace std _GLIBCXX_VISIBILITY(default)
    74 _GLIBCXX_BEGIN_NAMESPACE_VERSION
    92   enum _Rb_tree_color { _S_red = 
false, _S_black = 
true };
    94   struct _Rb_tree_node_base
    96     typedef _Rb_tree_node_base* _Base_ptr;
    97     typedef const _Rb_tree_node_base* _Const_Base_ptr;
    99     _Rb_tree_color      _M_color;
   105     _S_minimum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   107       while (__x->_M_left != 0) __x = __x->_M_left;
   111     static _Const_Base_ptr
   112     _S_minimum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
   114       while (__x->_M_left != 0) __x = __x->_M_left;
   119     _S_maximum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   121       while (__x->_M_right != 0) __x = __x->_M_right;
   125     static _Const_Base_ptr
   126     _S_maximum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
   128       while (__x->_M_right != 0) __x = __x->_M_right;
   133   template<
typename _Val>
   134     struct _Rb_tree_node : 
public _Rb_tree_node_base
   136       typedef _Rb_tree_node<_Val>* _Link_type;
   138 #if __cplusplus < 201103L   149       __gnu_cxx::__aligned_membuf<_Val> _M_storage;
   153       { 
return _M_storage._M_ptr(); }
   157       { 
return _M_storage._M_ptr(); }
   161   _GLIBCXX_PURE _Rb_tree_node_base*
   162   _Rb_tree_increment(_Rb_tree_node_base* __x) 
throw ();
   164   _GLIBCXX_PURE 
const _Rb_tree_node_base*
   165   _Rb_tree_increment(
const _Rb_tree_node_base* __x) 
throw ();
   167   _GLIBCXX_PURE _Rb_tree_node_base*
   168   _Rb_tree_decrement(_Rb_tree_node_base* __x) 
throw ();
   170   _GLIBCXX_PURE 
const _Rb_tree_node_base*
   171   _Rb_tree_decrement(
const _Rb_tree_node_base* __x) 
throw ();
   173   template<
typename _Tp>
   174     struct _Rb_tree_iterator
   176       typedef _Tp  value_type;
   177       typedef _Tp& reference;
   178       typedef _Tp* pointer;
   180       typedef bidirectional_iterator_tag iterator_category;
   181       typedef ptrdiff_t                  difference_type;
   183       typedef _Rb_tree_iterator<_Tp>        _Self;
   184       typedef _Rb_tree_node_base::_Base_ptr _Base_ptr;
   185       typedef _Rb_tree_node<_Tp>*           _Link_type;
   187       _Rb_tree_iterator() _GLIBCXX_NOEXCEPT
   191       _Rb_tree_iterator(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   196       { 
return *
static_cast<_Link_type
>(_M_node)->_M_valptr(); }
   199       operator->() const _GLIBCXX_NOEXCEPT
   200       { 
return static_cast<_Link_type
> (_M_node)->_M_valptr(); }
   203       operator++() _GLIBCXX_NOEXCEPT
   205         _M_node = _Rb_tree_increment(_M_node);
   210       operator++(
int) _GLIBCXX_NOEXCEPT
   213         _M_node = _Rb_tree_increment(_M_node);
   218       operator--() _GLIBCXX_NOEXCEPT
   220         _M_node = _Rb_tree_decrement(_M_node);
   225       operator--(
int) _GLIBCXX_NOEXCEPT
   228         _M_node = _Rb_tree_decrement(_M_node);
   233       operator==(
const _Self& __x) 
const _GLIBCXX_NOEXCEPT
   234       { 
return _M_node == __x._M_node; }
   237       operator!=(
const _Self& __x) 
const _GLIBCXX_NOEXCEPT
   238       { 
return _M_node != __x._M_node; }
   243   template<
typename _Tp>
   244     struct _Rb_tree_const_iterator
   246       typedef _Tp        value_type;
   247       typedef const _Tp& reference;
   248       typedef const _Tp* pointer;
   250       typedef _Rb_tree_iterator<_Tp> iterator;
   252       typedef bidirectional_iterator_tag iterator_category;
   253       typedef ptrdiff_t                  difference_type;
   255       typedef _Rb_tree_const_iterator<_Tp>        _Self;
   256       typedef _Rb_tree_node_base::_Const_Base_ptr _Base_ptr;
   257       typedef const _Rb_tree_node<_Tp>*           _Link_type;
   259       _Rb_tree_const_iterator() _GLIBCXX_NOEXCEPT
   263       _Rb_tree_const_iterator(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   266       _Rb_tree_const_iterator(
const iterator& __it) _GLIBCXX_NOEXCEPT
   267       : _M_node(__it._M_node) { }
   270       _M_const_cast() const _GLIBCXX_NOEXCEPT
   271       { 
return iterator(const_cast<typename iterator::_Base_ptr>(_M_node)); }
   275       { 
return *
static_cast<_Link_type
>(_M_node)->_M_valptr(); }
   278       operator->() const _GLIBCXX_NOEXCEPT
   279       { 
return static_cast<_Link_type
>(_M_node)->_M_valptr(); }
   282       operator++() _GLIBCXX_NOEXCEPT
   284         _M_node = _Rb_tree_increment(_M_node);
   289       operator++(
int) _GLIBCXX_NOEXCEPT
   292         _M_node = _Rb_tree_increment(_M_node);
   297       operator--() _GLIBCXX_NOEXCEPT
   299         _M_node = _Rb_tree_decrement(_M_node);
   304       operator--(
int) _GLIBCXX_NOEXCEPT
   307         _M_node = _Rb_tree_decrement(_M_node);
   312       operator==(
const _Self& __x) 
const _GLIBCXX_NOEXCEPT
   313       { 
return _M_node == __x._M_node; }
   316       operator!=(
const _Self& __x) 
const _GLIBCXX_NOEXCEPT
   317       { 
return _M_node != __x._M_node; }
   322   template<
typename _Val>
   324     operator==(
const _Rb_tree_iterator<_Val>& __x,
   325                const _Rb_tree_const_iterator<_Val>& __y) _GLIBCXX_NOEXCEPT
   326     { 
return __x._M_node == __y._M_node; }
   328   template<
typename _Val>
   330     operator!=(
const _Rb_tree_iterator<_Val>& __x,
   331                const _Rb_tree_const_iterator<_Val>& __y) _GLIBCXX_NOEXCEPT
   332     { 
return __x._M_node != __y._M_node; }
   335   _Rb_tree_insert_and_rebalance(
const bool __insert_left,
   336                                 _Rb_tree_node_base* __x,
   337                                 _Rb_tree_node_base* __p,
   338                                 _Rb_tree_node_base& __header) 
throw ();
   341   _Rb_tree_rebalance_for_erase(_Rb_tree_node_base* 
const __z,
   342                                _Rb_tree_node_base& __header) 
throw ();
   345   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
   346            typename _Compare, 
typename _Alloc = allocator<_Val> >
   350         rebind<_Rb_tree_node<_Val> >::other _Node_allocator;
   355       typedef _Rb_tree_node_base*               _Base_ptr;
   356       typedef const _Rb_tree_node_base*         _Const_Base_ptr;
   357       typedef _Rb_tree_node<_Val>*              _Link_type;
   358       typedef const _Rb_tree_node<_Val>*        _Const_Link_type;
   363       struct _Reuse_or_alloc_node
   365         _Reuse_or_alloc_node(_Rb_tree& __t)
   366           : _M_root(__t._M_root()), _M_nodes(__t._M_rightmost()), _M_t(__t)
   370               _M_root->_M_parent = 0;
   372               if (_M_nodes->_M_left)
   373                 _M_nodes = _M_nodes->_M_left;
   379 #if __cplusplus >= 201103L   380         _Reuse_or_alloc_node(
const _Reuse_or_alloc_node&) = 
delete;
   383         ~_Reuse_or_alloc_node()
   384         { _M_t._M_erase(static_cast<_Link_type>(_M_root)); }
   386         template<
typename _Arg>
   388 #if __cplusplus < 201103L   389           operator()(
const _Arg& __arg)
   391           operator()(_Arg&& __arg)
   394             _Link_type __node = 
static_cast<_Link_type
>(_M_extract());
   397                 _M_t._M_destroy_node(__node);
   398                 _M_t._M_construct_node(__node, _GLIBCXX_FORWARD(_Arg, __arg));
   402             return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg));
   412           _Base_ptr __node = _M_nodes;
   413           _M_nodes = _M_nodes->_M_parent;
   416               if (_M_nodes->_M_right == __node)
   418                   _M_nodes->_M_right = 0;
   420                   if (_M_nodes->_M_left)
   422                       _M_nodes = _M_nodes->_M_left;
   424                       while (_M_nodes->_M_right)
   425                         _M_nodes = _M_nodes->_M_right;
   427                       if (_M_nodes->_M_left)
   428                         _M_nodes = _M_nodes->_M_left;
   432                 _M_nodes->_M_left = 0;
   449         _Alloc_node(_Rb_tree& __t)
   452         template<
typename _Arg>
   454 #if __cplusplus < 201103L   455           operator()(
const _Arg& __arg) 
const   457           operator()(_Arg&& __arg) const
   459           { 
return _M_t._M_create_node(_GLIBCXX_FORWARD(_Arg, __arg)); }
   466       typedef _Key                              key_type;
   467       typedef _Val                              value_type;
   468       typedef value_type*                       pointer;
   469       typedef const value_type*                 const_pointer;
   470       typedef value_type&                       reference;
   471       typedef const value_type&                 const_reference;
   472       typedef size_t                            size_type;
   473       typedef ptrdiff_t                         difference_type;
   474       typedef _Alloc                            allocator_type;
   477       _M_get_Node_allocator() _GLIBCXX_NOEXCEPT
   478       { 
return *
static_cast<_Node_allocator*
>(&this->_M_impl); }
   480       const _Node_allocator&
   481       _M_get_Node_allocator() const _GLIBCXX_NOEXCEPT
   482       { 
return *
static_cast<const _Node_allocator*
>(&this->_M_impl); }
   485       get_allocator() const _GLIBCXX_NOEXCEPT
   486       { 
return allocator_type(_M_get_Node_allocator()); }
   491       { 
return _Alloc_traits::allocate(_M_get_Node_allocator(), 1); }
   494       _M_put_node(_Link_type __p) _GLIBCXX_NOEXCEPT
   495       { _Alloc_traits::deallocate(_M_get_Node_allocator(), __p, 1); }
   497 #if __cplusplus < 201103L   499       _M_construct_node(_Link_type __node, 
const value_type& __x)
   502           { get_allocator().construct(__node->_M_valptr(), __x); }
   506             __throw_exception_again;
   511       _M_create_node(
const value_type& __x)
   513         _Link_type __tmp = _M_get_node();
   514         _M_construct_node(__tmp, __x);
   519       _M_destroy_node(_Link_type __p)
   520       { get_allocator().destroy(__p->_M_valptr()); }
   522       template<
typename... _Args>
   524         _M_construct_node(_Link_type __node, _Args&&... __args)
   528               ::new(__node) _Rb_tree_node<_Val>;
   529               _Alloc_traits::construct(_M_get_Node_allocator(),
   535               __node->~_Rb_tree_node<_Val>();
   537               __throw_exception_again;
   541       template<
typename... _Args>
   543         _M_create_node(_Args&&... __args)
   545           _Link_type __tmp = _M_get_node();
   546           _M_construct_node(__tmp, std::forward<_Args>(__args)...);
   551       _M_destroy_node(_Link_type __p) noexcept
   553         _Alloc_traits::destroy(_M_get_Node_allocator(), __p->_M_valptr());
   554         __p->~_Rb_tree_node<_Val>();
   559       _M_drop_node(_Link_type __p) _GLIBCXX_NOEXCEPT
   561         _M_destroy_node(__p);
   565       template<
typename _NodeGen>
   567         _M_clone_node(_Const_Link_type __x, _NodeGen& __node_gen)
   569           _Link_type __tmp = __node_gen(*__x->_M_valptr());
   570           __tmp->_M_color = __x->_M_color;
   578       template<
typename _Key_compare,
   579                bool  = __is_pod(_Key_compare)>
   580         struct _Rb_tree_impl : 
public _Node_allocator
   582           _Key_compare          _M_key_compare;
   583           _Rb_tree_node_base    _M_header;
   584           size_type             _M_node_count; 
   587           : _Node_allocator(), _M_key_compare(), _M_header(),
   591           _Rb_tree_impl(
const _Key_compare& __comp, 
const _Node_allocator& __a)
   592           : _Node_allocator(__a), _M_key_compare(__comp), _M_header(),
   596 #if __cplusplus >= 201103L   597           _Rb_tree_impl(
const _Key_compare& __comp, _Node_allocator&& __a)
   598           : _Node_allocator(
std::move(__a)), _M_key_compare(__comp),
   599             _M_header(), _M_node_count(0)
   606             this->_M_header._M_parent = 0;
   607             this->_M_header._M_left = &this->_M_header;
   608             this->_M_header._M_right = &this->_M_header;
   609             this->_M_node_count = 0;
   616             this->_M_header._M_color = _S_red;
   617             this->_M_header._M_parent = 0;
   618             this->_M_header._M_left = &this->_M_header;
   619             this->_M_header._M_right = &this->_M_header;
   623       _Rb_tree_impl<_Compare> _M_impl;
   627       _M_root() _GLIBCXX_NOEXCEPT
   628       { 
return this->_M_impl._M_header._M_parent; }
   631       _M_root() const _GLIBCXX_NOEXCEPT
   632       { 
return this->_M_impl._M_header._M_parent; }
   635       _M_leftmost() _GLIBCXX_NOEXCEPT
   636       { 
return this->_M_impl._M_header._M_left; }
   639       _M_leftmost() const _GLIBCXX_NOEXCEPT
   640       { 
return this->_M_impl._M_header._M_left; }
   643       _M_rightmost() _GLIBCXX_NOEXCEPT
   644       { 
return this->_M_impl._M_header._M_right; }
   647       _M_rightmost() const _GLIBCXX_NOEXCEPT
   648       { 
return this->_M_impl._M_header._M_right; }
   651       _M_begin() _GLIBCXX_NOEXCEPT
   652       { 
return static_cast<_Link_type
>(this->_M_impl._M_header._M_parent); }
   655       _M_begin() const _GLIBCXX_NOEXCEPT
   657         return static_cast<_Const_Link_type
>   658           (this->_M_impl._M_header._M_parent);
   662       _M_end() _GLIBCXX_NOEXCEPT
   663       { 
return reinterpret_cast<_Link_type
>(&this->_M_impl._M_header); }
   666       _M_end() const _GLIBCXX_NOEXCEPT
   667       { 
return reinterpret_cast<_Const_Link_type
>(&this->_M_impl._M_header); }
   669       static const_reference
   670       _S_value(_Const_Link_type __x)
   671       { 
return *__x->_M_valptr(); }
   674       _S_key(_Const_Link_type __x)
   675       { 
return _KeyOfValue()(_S_value(__x)); }
   678       _S_left(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   679       { 
return static_cast<_Link_type
>(__x->_M_left); }
   681       static _Const_Link_type
   682       _S_left(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
   683       { 
return static_cast<_Const_Link_type
>(__x->_M_left); }
   686       _S_right(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   687       { 
return static_cast<_Link_type
>(__x->_M_right); }
   689       static _Const_Link_type
   690       _S_right(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
   691       { 
return static_cast<_Const_Link_type
>(__x->_M_right); }
   693       static const_reference
   694       _S_value(_Const_Base_ptr __x)
   695       { 
return *
static_cast<_Const_Link_type
>(__x)->_M_valptr(); }
   698       _S_key(_Const_Base_ptr __x)
   699       { 
return _KeyOfValue()(_S_value(__x)); }
   702       _S_minimum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   703       { 
return _Rb_tree_node_base::_S_minimum(__x); }
   705       static _Const_Base_ptr
   706       _S_minimum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
   707       { 
return _Rb_tree_node_base::_S_minimum(__x); }
   710       _S_maximum(_Base_ptr __x) _GLIBCXX_NOEXCEPT
   711       { 
return _Rb_tree_node_base::_S_maximum(__x); }
   713       static _Const_Base_ptr
   714       _S_maximum(_Const_Base_ptr __x) _GLIBCXX_NOEXCEPT
   715       { 
return _Rb_tree_node_base::_S_maximum(__x); }
   718       typedef _Rb_tree_iterator<value_type>       iterator;
   719       typedef _Rb_tree_const_iterator<value_type> const_iterator;
   725       pair<_Base_ptr, _Base_ptr>
   726       _M_get_insert_unique_pos(
const key_type& __k);
   728       pair<_Base_ptr, _Base_ptr>
   729       _M_get_insert_equal_pos(
const key_type& __k);
   731       pair<_Base_ptr, _Base_ptr>
   732       _M_get_insert_hint_unique_pos(const_iterator __pos,
   733                                     const key_type& __k);
   735       pair<_Base_ptr, _Base_ptr>
   736       _M_get_insert_hint_equal_pos(const_iterator __pos,
   737                                    const key_type& __k);
   739 #if __cplusplus >= 201103L   740       template<
typename _Arg, 
typename _NodeGen>
   742         _M_insert_(_Base_ptr __x, _Base_ptr __y, _Arg&& __v, _NodeGen&);
   745       _M_insert_node(_Base_ptr __x, _Base_ptr __y, _Link_type __z);
   747       template<
typename _Arg>
   749         _M_insert_lower(_Base_ptr __y, _Arg&& __v);
   751       template<
typename _Arg>
   753         _M_insert_equal_lower(_Arg&& __x);
   756       _M_insert_lower_node(_Base_ptr __p, _Link_type __z);
   759       _M_insert_equal_lower_node(_Link_type __z);
   761       template<
typename _NodeGen>
   763         _M_insert_(_Base_ptr __x, _Base_ptr __y,
   764                    const value_type& __v, _NodeGen&);
   769       _M_insert_lower(_Base_ptr __y, 
const value_type& __v);
   772       _M_insert_equal_lower(
const value_type& __x);
   775       template<
typename _NodeGen>
   777         _M_copy(_Const_Link_type __x, _Link_type __p, _NodeGen&);
   780       _M_copy(_Const_Link_type __x, _Link_type __p)
   782         _Alloc_node __an(*
this);
   783         return _M_copy(__x, __p, __an);
   787       _M_erase(_Link_type __x);
   790       _M_lower_bound(_Link_type __x, _Link_type __y,
   794       _M_lower_bound(_Const_Link_type __x, _Const_Link_type __y,
   795                      const _Key& __k) 
const;
   798       _M_upper_bound(_Link_type __x, _Link_type __y,
   802       _M_upper_bound(_Const_Link_type __x, _Const_Link_type __y,
   803                      const _Key& __k) 
const;
   809       _Rb_tree(
const _Compare& __comp,
   810                const allocator_type& __a = allocator_type())
   811       : _M_impl(__comp, _Node_allocator(__a)) { }
   813       _Rb_tree(
const _Rb_tree& __x)
   814       : _M_impl(__x._M_impl._M_key_compare,
   815                 _Alloc_traits::_S_select_on_copy(__x._M_get_Node_allocator()))
   817         if (__x._M_root() != 0)
   819             _M_root() = _M_copy(__x._M_begin(), _M_end());
   820             _M_leftmost() = _S_minimum(_M_root());
   821             _M_rightmost() = _S_maximum(_M_root());
   822             _M_impl._M_node_count = __x._M_impl._M_node_count;
   826 #if __cplusplus >= 201103L   827       _Rb_tree(
const allocator_type& __a)
   828       : _M_impl(_Compare(), _Node_allocator(__a))
   831       _Rb_tree(
const _Rb_tree& __x, 
const allocator_type& __a)
   832       : _M_impl(__x._M_impl._M_key_compare, _Node_allocator(__a))
   834         if (__x._M_root() != 
nullptr)
   836             _M_root() = _M_copy(__x._M_begin(), _M_end());
   837             _M_leftmost() = _S_minimum(_M_root());
   838             _M_rightmost() = _S_maximum(_M_root());
   839             _M_impl._M_node_count = __x._M_impl._M_node_count;
   843       _Rb_tree(_Rb_tree&& __x)
   844       : _M_impl(__x._M_impl._M_key_compare, __x._M_get_Node_allocator())
   846         if (__x._M_root() != 0)
   850       _Rb_tree(_Rb_tree&& __x, 
const allocator_type& __a)
   851       : _Rb_tree(
std::move(__x), _Node_allocator(__a))
   854       _Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a);
   857       ~_Rb_tree() _GLIBCXX_NOEXCEPT
   858       { _M_erase(_M_begin()); }
   861       operator=(
const _Rb_tree& __x);
   866       { 
return _M_impl._M_key_compare; }
   869       begin() _GLIBCXX_NOEXCEPT
   870       { 
return iterator(this->_M_impl._M_header._M_left); }
   873       begin() const _GLIBCXX_NOEXCEPT
   874       { 
return const_iterator(this->_M_impl._M_header._M_left); }
   877       end() _GLIBCXX_NOEXCEPT
   878       { 
return iterator(&this->_M_impl._M_header); }
   881       end() const _GLIBCXX_NOEXCEPT
   882       { 
return const_iterator(&this->_M_impl._M_header); }
   885       rbegin() _GLIBCXX_NOEXCEPT
   886       { 
return reverse_iterator(
end()); }
   888       const_reverse_iterator
   889       rbegin() const _GLIBCXX_NOEXCEPT
   890       { 
return const_reverse_iterator(
end()); }
   893       rend() _GLIBCXX_NOEXCEPT
   894       { 
return reverse_iterator(
begin()); }
   896       const_reverse_iterator
   897       rend() const _GLIBCXX_NOEXCEPT
   898       { 
return const_reverse_iterator(
begin()); }
   901       empty() const _GLIBCXX_NOEXCEPT
   902       { 
return _M_impl._M_node_count == 0; }
   905       size() const _GLIBCXX_NOEXCEPT 
   906       { 
return _M_impl._M_node_count; }
   909       max_size() const _GLIBCXX_NOEXCEPT
   910       { 
return _Alloc_traits::max_size(_M_get_Node_allocator()); }
   913 #if __cplusplus >= 201103L   914       swap(_Rb_tree& __t) noexcept(_Alloc_traits::_S_nothrow_swap());
   920 #if __cplusplus >= 201103L   921       template<
typename _Arg>
   923         _M_insert_unique(_Arg&& __x);
   925       template<
typename _Arg>
   927         _M_insert_equal(_Arg&& __x);
   929       template<
typename _Arg, 
typename _NodeGen>
   931         _M_insert_unique_(const_iterator __pos, _Arg&& __x, _NodeGen&);
   933       template<
typename _Arg>
   935         _M_insert_unique_(const_iterator __pos, _Arg&& __x)
   937           _Alloc_node __an(*
this);
   938           return _M_insert_unique_(__pos, std::forward<_Arg>(__x), __an);
   941       template<
typename _Arg, 
typename _NodeGen>
   943         _M_insert_equal_(const_iterator __pos, _Arg&& __x, _NodeGen&);
   945       template<
typename _Arg>
   947         _M_insert_equal_(const_iterator __pos, _Arg&& __x)
   949           _Alloc_node __an(*
this);
   950           return _M_insert_equal_(__pos, std::forward<_Arg>(__x), __an);
   953       template<
typename... _Args>
   955         _M_emplace_unique(_Args&&... __args);
   957       template<
typename... _Args>
   959         _M_emplace_equal(_Args&&... __args);
   961       template<
typename... _Args>
   963         _M_emplace_hint_unique(const_iterator __pos, _Args&&... __args);
   965       template<
typename... _Args>
   967         _M_emplace_hint_equal(const_iterator __pos, _Args&&... __args);
   970       _M_insert_unique(
const value_type& __x);
   973       _M_insert_equal(
const value_type& __x);
   975       template<
typename _NodeGen>
   977         _M_insert_unique_(const_iterator __pos, 
const value_type& __x,
   981       _M_insert_unique_(const_iterator __pos, 
const value_type& __x)
   983         _Alloc_node __an(*
this);
   984         return _M_insert_unique_(__pos, __x, __an);
   987       template<
typename _NodeGen>
   989         _M_insert_equal_(const_iterator __pos, 
const value_type& __x,
   992       _M_insert_equal_(const_iterator __pos, 
const value_type& __x)
   994         _Alloc_node __an(*
this);
   995         return _M_insert_equal_(__pos, __x, __an);
   999       template<
typename _InputIterator>
  1001         _M_insert_unique(_InputIterator __first, _InputIterator __last);
  1003       template<
typename _InputIterator>
  1005         _M_insert_equal(_InputIterator __first, _InputIterator __last);
  1009       _M_erase_aux(const_iterator __position);
  1012       _M_erase_aux(const_iterator __first, const_iterator __last);
  1015 #if __cplusplus >= 201103L  1018       _GLIBCXX_ABI_TAG_CXX11
  1020       erase(const_iterator __position)
  1022         const_iterator __result = __position;
  1024         _M_erase_aux(__position);
  1025         return __result._M_const_cast();
  1029       _GLIBCXX_ABI_TAG_CXX11
  1031       erase(iterator __position)
  1033         iterator __result = __position;
  1035         _M_erase_aux(__position);
  1040       erase(iterator __position)
  1041       { _M_erase_aux(__position); }
  1044       erase(const_iterator __position)
  1045       { _M_erase_aux(__position); }
  1048       erase(
const key_type& __x);
  1050 #if __cplusplus >= 201103L  1053       _GLIBCXX_ABI_TAG_CXX11
  1055       erase(const_iterator __first, const_iterator __last)
  1057         _M_erase_aux(__first, __last);
  1058         return __last._M_const_cast();
  1062       erase(iterator __first, iterator __last)
  1063       { _M_erase_aux(__first, __last); }
  1066       erase(const_iterator __first, const_iterator __last)
  1067       { _M_erase_aux(__first, __last); }
  1070       erase(
const key_type* __first, 
const key_type* __last);
  1073       clear() _GLIBCXX_NOEXCEPT
  1075         _M_erase(_M_begin());
  1081       find(
const key_type& __k);
  1084       find(
const key_type& __k) 
const;
  1087       count(
const key_type& __k) 
const;
  1090       lower_bound(
const key_type& __k)
  1091       { 
return _M_lower_bound(_M_begin(), _M_end(), __k); }
  1094       lower_bound(
const key_type& __k)
 const  1095       { 
return _M_lower_bound(_M_begin(), _M_end(), __k); }
  1098       upper_bound(
const key_type& __k)
  1099       { 
return _M_upper_bound(_M_begin(), _M_end(), __k); }
  1102       upper_bound(
const key_type& __k)
 const  1103       { 
return _M_upper_bound(_M_begin(), _M_end(), __k); }
  1105       pair<iterator, iterator>
  1106       equal_range(
const key_type& __k);
  1108       pair<const_iterator, const_iterator>
  1109       equal_range(
const key_type& __k) 
const;
  1111 #if __cplusplus > 201103L  1112       template<
typename _Cmp, 
typename _Kt, 
typename = __
void_t<>>
  1113         struct __is_transparent { };
  1115       template<
typename _Cmp, 
typename _Kt>
  1117         __is_transparent<_Cmp, _Kt, __void_t<typename _Cmp::is_transparent>>
  1118         { 
typedef void type; };
  1120       static auto _S_iter(_Link_type __x) { 
return iterator(__x); }
  1122       static auto _S_iter(_Const_Link_type __x) { 
return const_iterator(__x); }
  1124       template<
typename _Cmp, 
typename _Link, 
typename _Kt>
  1126         _S_lower_bound_tr(_Cmp& __cmp, _Link __x, _Link __y, 
const _Kt& __k)
  1129             if (!__cmp(_S_key(__x), __k))
  1130               __y = __x, __x = _S_left(__x);
  1132               __x = _S_right(__x);
  1133           return _S_iter(__y);
  1136       template<
typename _Cmp, 
typename _Link, 
typename _Kt>
  1138         _S_upper_bound_tr(_Cmp& __cmp, _Link __x, _Link __y, 
const _Kt& __k)
  1141             if (__cmp(__k, _S_key(__x)))
  1142               __y = __x, __x = _S_left(__x);
  1144               __x = _S_right(__x);
  1145           return _S_iter(__y);
  1148       template<
typename _Kt,
  1149                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1151         _M_find_tr(
const _Kt& __k)
  1153           auto& __cmp = _M_impl._M_key_compare;
  1154           auto __j = _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
  1155           return (__j == 
end() || __cmp(__k, _S_key(__j._M_node)))
  1159       template<
typename _Kt,
  1160                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1162         _M_find_tr(
const _Kt& __k)
 const  1164           auto& __cmp = _M_impl._M_key_compare;
  1165           auto __j = _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
  1166           return (__j == 
end() || __cmp(__k, _S_key(__j._M_node)))
  1170       template<
typename _Kt,
  1171                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1173         _M_count_tr(
const _Kt& __k)
 const  1175           auto __p = _M_equal_range_tr(__k);
  1179       template<
typename _Kt,
  1180                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1182         _M_lower_bound_tr(
const _Kt& __k)
  1184           auto& __cmp = _M_impl._M_key_compare;
  1185           return _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
  1188       template<
typename _Kt,
  1189                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1191         _M_lower_bound_tr(
const _Kt& __k)
 const  1193           auto& __cmp = _M_impl._M_key_compare;
  1194           return _S_lower_bound_tr(__cmp, _M_begin(), _M_end(), __k);
  1197       template<
typename _Kt,
  1198                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1200         _M_upper_bound_tr(
const _Kt& __k)
  1202           auto& __cmp = _M_impl._M_key_compare;
  1203           return _S_upper_bound_tr(__cmp, _M_begin(), _M_end(), __k);
  1206       template<
typename _Kt,
  1207                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1209         _M_upper_bound_tr(
const _Kt& __k)
 const  1211           auto& __cmp = _M_impl._M_key_compare;
  1212           return _S_upper_bound_tr(__cmp, _M_begin(), _M_end(), __k);
  1215       template<
typename _Kt,
  1216                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1217         pair<iterator, iterator>
  1218         _M_equal_range_tr(
const _Kt& __k)
  1220           auto __low = _M_lower_bound_tr(__k);
  1221           auto __high = __low;
  1222           auto& __cmp = _M_impl._M_key_compare;
  1223           while (__high != 
end() && !__cmp(__k, _S_key(__high._M_node)))
  1225           return { __low, __high };
  1228       template<
typename _Kt,
  1229                typename _Req = 
typename __is_transparent<_Compare, _Kt>::type>
  1230         pair<const_iterator, const_iterator>
  1231         _M_equal_range_tr(
const _Kt& __k)
 const  1233           auto __low = _M_lower_bound_tr(__k);
  1234           auto __high = __low;
  1235           auto& __cmp = _M_impl._M_key_compare;
  1236           while (__high != 
end() && !__cmp(__k, _S_key(__high._M_node)))
  1238           return { __low, __high };
  1244       __rb_verify() 
const;
  1246 #if __cplusplus >= 201103L  1248       operator=(_Rb_tree&&) noexcept(_Alloc_traits::_S_nothrow_move());
  1250       template<typename _Iterator>
  1252         _M_assign_unique(_Iterator, _Iterator);
  1254       template<typename _Iterator>
  1256         _M_assign_equal(_Iterator, _Iterator);
  1270   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1271            typename _Compare, 
typename _Alloc>
  1273     operator==(
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
  1274                const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
  1276       return __x.size() == __y.size()
  1277              && 
std::equal(__x.begin(), __x.end(), __y.begin());
  1280   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1281            typename _Compare, 
typename _Alloc>
  1283     operator<(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
  1284               const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
  1287                                           __y.begin(), __y.end());
  1290   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1291            typename _Compare, 
typename _Alloc>
  1293     operator!=(
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
  1294                const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
  1295     { 
return !(__x == __y); }
  1297   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1298            typename _Compare, 
typename _Alloc>
  1300     operator>(
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
  1301               const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
  1302     { 
return __y < __x; }
  1304   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1305            typename _Compare, 
typename _Alloc>
  1307     operator<=(const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
  1308                const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
  1309     { 
return !(__y < __x); }
  1311   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1312            typename _Compare, 
typename _Alloc>
  1314     operator>=(
const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
  1315                const _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
  1316     { 
return !(__x < __y); }
  1318   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1319            typename _Compare, 
typename _Alloc>
  1321     swap(_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __x,
  1322          _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __y)
  1325 #if __cplusplus >= 201103L  1326   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1327            typename _Compare, 
typename _Alloc>
  1328     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1329     _Rb_tree(_Rb_tree&& __x, _Node_allocator&& __a)
  1330     : _M_impl(__x._M_impl._M_key_compare, 
std::move(__a))
  1332       using __eq = integral_constant<bool, _Alloc_traits::_S_always_equal()>;
  1333       if (__x._M_root() != 
nullptr)
  1334         _M_move_data(__x, __eq());
  1337   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1338            typename _Compare, 
typename _Alloc>
  1340     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1343       _M_root() = __x._M_root();
  1344       _M_leftmost() = __x._M_leftmost();
  1345       _M_rightmost() = __x._M_rightmost();
  1346       _M_root()->_M_parent = _M_end();
  1349       __x._M_leftmost() = __x._M_end();
  1350       __x._M_rightmost() = __x._M_end();
  1352       this->_M_impl._M_node_count = __x._M_impl._M_node_count;
  1353       __x._M_impl._M_node_count = 0;
  1356   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1357            typename _Compare, 
typename _Alloc>
  1359     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1362       if (_M_get_Node_allocator() == __x._M_get_Node_allocator())
  1366           _Alloc_node __an(*
this);
  1368             [&__an](
const value_type& __cval)
  1370               auto& __val = 
const_cast<value_type&
>(__cval);
  1373           _M_root() = _M_copy(__x._M_begin(), _M_end(), __lbd);
  1374           _M_leftmost() = _S_minimum(_M_root());
  1375           _M_rightmost() = _S_maximum(_M_root());
  1376           _M_impl._M_node_count = __x._M_impl._M_node_count;
  1380   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1381            typename _Compare, 
typename _Alloc>
  1382     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&
  1383     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1384     operator=(_Rb_tree&& __x)
  1385     noexcept(_Alloc_traits::_S_nothrow_move())
  1387       _M_impl._M_key_compare = __x._M_impl._M_key_compare;
  1388       if (_Alloc_traits::_S_propagate_on_move_assign()
  1389           || _Alloc_traits::_S_always_equal()
  1390           || _M_get_Node_allocator() == __x._M_get_Node_allocator())
  1393           if (__x._M_root() != 
nullptr)
  1395           std::__alloc_on_move(_M_get_Node_allocator(),
  1396                                __x._M_get_Node_allocator());
  1402       _Reuse_or_alloc_node __roan(*
this);
  1404       if (__x._M_root() != 
nullptr)
  1407             [&__roan](
const value_type& __cval)
  1409               auto& __val = 
const_cast<value_type&
>(__cval);
  1412           _M_root() = _M_copy(__x._M_begin(), _M_end(), __lbd);
  1413           _M_leftmost() = _S_minimum(_M_root());
  1414           _M_rightmost() = _S_maximum(_M_root());
  1415           _M_impl._M_node_count = __x._M_impl._M_node_count;
  1421   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1422            typename _Compare, 
typename _Alloc>
  1423     template<
typename _Iterator>
  1425       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1426       _M_assign_unique(_Iterator __first, _Iterator __last)
  1428         _Reuse_or_alloc_node __roan(*
this);
  1430         for (; __first != __last; ++__first)
  1431           _M_insert_unique_(
end(), *__first, __roan);
  1434   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1435            typename _Compare, 
typename _Alloc>
  1436     template<
typename _Iterator>
  1438       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1439       _M_assign_equal(_Iterator __first, _Iterator __last)
  1441         _Reuse_or_alloc_node __roan(*
this);
  1443         for (; __first != __last; ++__first)
  1444           _M_insert_equal_(
end(), *__first, __roan);
  1448   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1449            typename _Compare, 
typename _Alloc>
  1450     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>&
  1451     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1452     operator=(
const _Rb_tree& __x)
  1457 #if __cplusplus >= 201103L  1458           if (_Alloc_traits::_S_propagate_on_copy_assign())
  1460               auto& __this_alloc = this->_M_get_Node_allocator();
  1461               auto& __that_alloc = __x._M_get_Node_allocator();
  1462               if (!_Alloc_traits::_S_always_equal()
  1463                   && __this_alloc != __that_alloc)
  1468                   std::__alloc_on_copy(__this_alloc, __that_alloc);
  1473           _Reuse_or_alloc_node __roan(*
this);
  1475           _M_impl._M_key_compare = __x._M_impl._M_key_compare;
  1476           if (__x._M_root() != 0)
  1478               _M_root() = _M_copy(__x._M_begin(), _M_end(), __roan);
  1479               _M_leftmost() = _S_minimum(_M_root());
  1480               _M_rightmost() = _S_maximum(_M_root());
  1481               _M_impl._M_node_count = __x._M_impl._M_node_count;
  1488   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1489            typename _Compare, 
typename _Alloc>
  1490 #if __cplusplus >= 201103L  1491     template<
typename _Arg, 
typename _NodeGen>
  1493     template<
typename _NodeGen>
  1495       typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  1496       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1497       _M_insert_(_Base_ptr __x, _Base_ptr __p,
  1498 #
if __cplusplus >= 201103L
  1503                  _NodeGen& __node_gen)
  1505         bool __insert_left = (__x != 0 || __p == _M_end()
  1506                               || _M_impl._M_key_compare(_KeyOfValue()(__v),
  1509         _Link_type __z = __node_gen(_GLIBCXX_FORWARD(_Arg, __v));
  1511         _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
  1512                                       this->_M_impl._M_header);
  1513         ++_M_impl._M_node_count;
  1514         return iterator(__z);
  1517   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1518            typename _Compare, 
typename _Alloc>
  1519 #if __cplusplus >= 201103L  1520     template<
typename _Arg>
  1522     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  1523     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1524 #if __cplusplus >= 201103L  1525     _M_insert_lower(_Base_ptr __p, _Arg&& __v)
  1527     _M_insert_lower(_Base_ptr __p, 
const _Val& __v)
  1530       bool __insert_left = (__p == _M_end()
  1531                             || !_M_impl._M_key_compare(_S_key(__p),
  1532                                                        _KeyOfValue()(__v)));
  1534       _Link_type __z = _M_create_node(_GLIBCXX_FORWARD(_Arg, __v));
  1536       _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
  1537                                     this->_M_impl._M_header);
  1538       ++_M_impl._M_node_count;
  1539       return iterator(__z);
  1542   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1543            typename _Compare, 
typename _Alloc>
  1544 #if __cplusplus >= 201103L  1545     template<
typename _Arg>
  1547     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  1548     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1549 #if __cplusplus >= 201103L  1550     _M_insert_equal_lower(_Arg&& __v)
  1552     _M_insert_equal_lower(
const _Val& __v)
  1555       _Link_type __x = _M_begin();
  1556       _Link_type __y = _M_end();
  1560           __x = !_M_impl._M_key_compare(_S_key(__x), _KeyOfValue()(__v)) ?
  1561                 _S_left(__x) : _S_right(__x);
  1563       return _M_insert_lower(__y, _GLIBCXX_FORWARD(_Arg, __v));
  1566   template<
typename _Key, 
typename _Val, 
typename _KoV,
  1567            typename _Compare, 
typename _Alloc>
  1568     template<
typename _NodeGen>
  1569       typename _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::_Link_type
  1570       _Rb_tree<_Key, _Val, _KoV, _Compare, _Alloc>::
  1571       _M_copy(_Const_Link_type __x, _Link_type __p, _NodeGen& __node_gen)
  1574         _Link_type __top = _M_clone_node(__x, __node_gen);
  1575         __top->_M_parent = __p;
  1580               __top->_M_right = _M_copy(_S_right(__x), __top, __node_gen);
  1586                 _Link_type __y = _M_clone_node(__x, __node_gen);
  1588                 __y->_M_parent = __p;
  1590                   __y->_M_right = _M_copy(_S_right(__x), __y, __node_gen);
  1598             __throw_exception_again;
  1603   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1604            typename _Compare, 
typename _Alloc>
  1606     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1607     _M_erase(_Link_type __x)
  1612           _M_erase(_S_right(__x));
  1613           _Link_type __y = _S_left(__x);
  1619   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1620            typename _Compare, 
typename _Alloc>
  1621     typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1622                       _Compare, _Alloc>::iterator
  1623     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1624     _M_lower_bound(_Link_type __x, _Link_type __y,
  1628         if (!_M_impl._M_key_compare(_S_key(__x), __k))
  1629           __y = __x, __x = _S_left(__x);
  1631           __x = _S_right(__x);
  1632       return iterator(__y);
  1635   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1636            typename _Compare, 
typename _Alloc>
  1637     typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1638                       _Compare, _Alloc>::const_iterator
  1639     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1640     _M_lower_bound(_Const_Link_type __x, _Const_Link_type __y,
  1641                    const _Key& __k)
 const  1644         if (!_M_impl._M_key_compare(_S_key(__x), __k))
  1645           __y = __x, __x = _S_left(__x);
  1647           __x = _S_right(__x);
  1648       return const_iterator(__y);
  1651   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1652            typename _Compare, 
typename _Alloc>
  1653     typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1654                       _Compare, _Alloc>::iterator
  1655     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1656     _M_upper_bound(_Link_type __x, _Link_type __y,
  1660         if (_M_impl._M_key_compare(__k, _S_key(__x)))
  1661           __y = __x, __x = _S_left(__x);
  1663           __x = _S_right(__x);
  1664       return iterator(__y);
  1667   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1668            typename _Compare, 
typename _Alloc>
  1669     typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1670                       _Compare, _Alloc>::const_iterator
  1671     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1672     _M_upper_bound(_Const_Link_type __x, _Const_Link_type __y,
  1673                    const _Key& __k)
 const  1676         if (_M_impl._M_key_compare(__k, _S_key(__x)))
  1677           __y = __x, __x = _S_left(__x);
  1679           __x = _S_right(__x);
  1680       return const_iterator(__y);
  1683   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1684            typename _Compare, 
typename _Alloc>
  1685     pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1686                            _Compare, _Alloc>::iterator,
  1687          typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1688                            _Compare, _Alloc>::iterator>
  1689     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1690     equal_range(
const _Key& __k)
  1692       _Link_type __x = _M_begin();
  1693       _Link_type __y = _M_end();
  1696           if (_M_impl._M_key_compare(_S_key(__x), __k))
  1697             __x = _S_right(__x);
  1698           else if (_M_impl._M_key_compare(__k, _S_key(__x)))
  1699             __y = __x, __x = _S_left(__x);
  1702               _Link_type __xu(__x), __yu(__y);
  1703               __y = __x, __x = _S_left(__x);
  1704               __xu = _S_right(__xu);
  1705               return pair<iterator,
  1706                           iterator>(_M_lower_bound(__x, __y, __k),
  1707                                     _M_upper_bound(__xu, __yu, __k));
  1710       return pair<iterator, iterator>(iterator(__y),
  1714   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1715            typename _Compare, 
typename _Alloc>
  1716     pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1717                            _Compare, _Alloc>::const_iterator,
  1718          typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1719                            _Compare, _Alloc>::const_iterator>
  1720     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1721     equal_range(
const _Key& __k)
 const  1723       _Const_Link_type __x = _M_begin();
  1724       _Const_Link_type __y = _M_end();
  1727           if (_M_impl._M_key_compare(_S_key(__x), __k))
  1728             __x = _S_right(__x);
  1729           else if (_M_impl._M_key_compare(__k, _S_key(__x)))
  1730             __y = __x, __x = _S_left(__x);
  1733               _Const_Link_type __xu(__x), __yu(__y);
  1734               __y = __x, __x = _S_left(__x);
  1735               __xu = _S_right(__xu);
  1736               return pair<const_iterator,
  1737                           const_iterator>(_M_lower_bound(__x, __y, __k),
  1738                                           _M_upper_bound(__xu, __yu, __k));
  1741       return pair<const_iterator, const_iterator>(const_iterator(__y),
  1742                                                   const_iterator(__y));
  1745   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1746            typename _Compare, 
typename _Alloc>
  1748     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1749     swap(_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>& __t)
  1750 #if __cplusplus >= 201103L  1751     noexcept(_Alloc_traits::_S_nothrow_swap())
  1756           if (__t._M_root() != 0)
  1758               _M_root() = __t._M_root();
  1759               _M_leftmost() = __t._M_leftmost();
  1760               _M_rightmost() = __t._M_rightmost();
  1761               _M_root()->_M_parent = _M_end();
  1762               _M_impl._M_node_count = __t._M_impl._M_node_count;
  1764               __t._M_impl._M_reset();
  1767       else if (__t._M_root() == 0)
  1769           __t._M_root() = _M_root();
  1770           __t._M_leftmost() = _M_leftmost();
  1771           __t._M_rightmost() = _M_rightmost();
  1772           __t._M_root()->_M_parent = __t._M_end();
  1773           __t._M_impl._M_node_count = _M_impl._M_node_count;
  1779           std::swap(_M_root(),__t._M_root());
  1780           std::swap(_M_leftmost(),__t._M_leftmost());
  1781           std::swap(_M_rightmost(),__t._M_rightmost());
  1783           _M_root()->_M_parent = _M_end();
  1784           __t._M_root()->_M_parent = __t._M_end();
  1785           std::swap(this->_M_impl._M_node_count, __t._M_impl._M_node_count);
  1788       std::swap(this->_M_impl._M_key_compare, __t._M_impl._M_key_compare);
  1790       _Alloc_traits::_S_on_swap(_M_get_Node_allocator(),
  1791                                 __t._M_get_Node_allocator());
  1794   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1795            typename _Compare, 
typename _Alloc>
  1796     pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1797                            _Compare, _Alloc>::_Base_ptr,
  1798          typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1799                            _Compare, _Alloc>::_Base_ptr>
  1800     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1801     _M_get_insert_unique_pos(
const key_type& __k)
  1803       typedef pair<_Base_ptr, _Base_ptr> _Res;
  1804       _Link_type __x = _M_begin();
  1805       _Link_type __y = _M_end();
  1810           __comp = _M_impl._M_key_compare(__k, _S_key(__x));
  1811           __x = __comp ? _S_left(__x) : _S_right(__x);
  1813       iterator __j = iterator(__y);
  1817             return _Res(__x, __y);
  1821       if (_M_impl._M_key_compare(_S_key(__j._M_node), __k))
  1822         return _Res(__x, __y);
  1823       return _Res(__j._M_node, 0);
  1826   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1827            typename _Compare, 
typename _Alloc>
  1828     pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1829                            _Compare, _Alloc>::_Base_ptr,
  1830          typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1831                            _Compare, _Alloc>::_Base_ptr>
  1832     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1833     _M_get_insert_equal_pos(
const key_type& __k)
  1835       typedef pair<_Base_ptr, _Base_ptr> _Res;
  1836       _Link_type __x = _M_begin();
  1837       _Link_type __y = _M_end();
  1841           __x = _M_impl._M_key_compare(__k, _S_key(__x)) ?
  1842                 _S_left(__x) : _S_right(__x);
  1844       return _Res(__x, __y);
  1847   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1848            typename _Compare, 
typename _Alloc>
  1849 #if __cplusplus >= 201103L  1850     template<
typename _Arg>
  1852     pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1853                            _Compare, _Alloc>::iterator, 
bool>
  1854     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1855 #if __cplusplus >= 201103L  1856     _M_insert_unique(_Arg&& __v)
  1858     _M_insert_unique(
const _Val& __v)
  1861       typedef pair<iterator, bool> _Res;
  1862       pair<_Base_ptr, _Base_ptr> __res
  1863         = _M_get_insert_unique_pos(_KeyOfValue()(__v));
  1867           _Alloc_node __an(*
this);
  1868           return _Res(_M_insert_(__res.first, __res.second,
  1869                                  _GLIBCXX_FORWARD(_Arg, __v), __an),
  1873       return _Res(iterator(static_cast<_Link_type>(__res.first)), 
false);
  1876   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1877            typename _Compare, 
typename _Alloc>
  1878 #if __cplusplus >= 201103L  1879     template<
typename _Arg>
  1881     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  1882     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1883 #if __cplusplus >= 201103L  1884     _M_insert_equal(_Arg&& __v)
  1886     _M_insert_equal(
const _Val& __v)
  1889       pair<_Base_ptr, _Base_ptr> __res
  1890         = _M_get_insert_equal_pos(_KeyOfValue()(__v));
  1891       _Alloc_node __an(*
this);
  1892       return _M_insert_(__res.first, __res.second,
  1893                         _GLIBCXX_FORWARD(_Arg, __v), __an);
  1896   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1897            typename _Compare, 
typename _Alloc>
  1898     pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1899                            _Compare, _Alloc>::_Base_ptr,
  1900          typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1901                            _Compare, _Alloc>::_Base_ptr>
  1902     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1903     _M_get_insert_hint_unique_pos(const_iterator __position,
  1904                                   const key_type& __k)
  1906       iterator __pos = __position._M_const_cast();
  1907       typedef pair<_Base_ptr, _Base_ptr> _Res;
  1910       if (__pos._M_node == _M_end())
  1913               && _M_impl._M_key_compare(_S_key(_M_rightmost()), __k))
  1914             return _Res(0, _M_rightmost());
  1916             return _M_get_insert_unique_pos(__k);
  1918       else if (_M_impl._M_key_compare(__k, _S_key(__pos._M_node)))
  1921           iterator __before = __pos;
  1922           if (__pos._M_node == _M_leftmost()) 
  1923             return _Res(_M_leftmost(), _M_leftmost());
  1924           else if (_M_impl._M_key_compare(_S_key((--__before)._M_node), __k))
  1926               if (_S_right(__before._M_node) == 0)
  1927                 return _Res(0, __before._M_node);
  1929                 return _Res(__pos._M_node, __pos._M_node);
  1932             return _M_get_insert_unique_pos(__k);
  1934       else if (_M_impl._M_key_compare(_S_key(__pos._M_node), __k))
  1937           iterator __after = __pos;
  1938           if (__pos._M_node == _M_rightmost())
  1939             return _Res(0, _M_rightmost());
  1940           else if (_M_impl._M_key_compare(__k, _S_key((++__after)._M_node)))
  1942               if (_S_right(__pos._M_node) == 0)
  1943                 return _Res(0, __pos._M_node);
  1945                 return _Res(__after._M_node, __after._M_node);
  1948             return _M_get_insert_unique_pos(__k);
  1952         return _Res(__pos._M_node, 0);
  1955   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1956            typename _Compare, 
typename _Alloc>
  1957 #if __cplusplus >= 201103L  1958     template<
typename _Arg, 
typename _NodeGen>
  1960     template<
typename _NodeGen>
  1962       typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  1963       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1964       _M_insert_unique_(const_iterator __position,
  1965 #
if __cplusplus >= 201103L
  1970                         _NodeGen& __node_gen)
  1972       pair<_Base_ptr, _Base_ptr> __res
  1973         = _M_get_insert_hint_unique_pos(__position, _KeyOfValue()(__v));
  1976         return _M_insert_(__res.first, __res.second,
  1977                           _GLIBCXX_FORWARD(_Arg, __v),
  1979       return iterator(static_cast<_Link_type>(__res.first));
  1982   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  1983            typename _Compare, 
typename _Alloc>
  1984     pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1985                            _Compare, _Alloc>::_Base_ptr,
  1986          typename _Rb_tree<_Key, _Val, _KeyOfValue,
  1987                            _Compare, _Alloc>::_Base_ptr>
  1988     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  1989     _M_get_insert_hint_equal_pos(const_iterator __position, 
const key_type& __k)
  1991       iterator __pos = __position._M_const_cast();
  1992       typedef pair<_Base_ptr, _Base_ptr> _Res;
  1995       if (__pos._M_node == _M_end())
  1998               && !_M_impl._M_key_compare(__k, _S_key(_M_rightmost())))
  1999             return _Res(0, _M_rightmost());
  2001             return _M_get_insert_equal_pos(__k);
  2003       else if (!_M_impl._M_key_compare(_S_key(__pos._M_node), __k))
  2006           iterator __before = __pos;
  2007           if (__pos._M_node == _M_leftmost()) 
  2008             return _Res(_M_leftmost(), _M_leftmost());
  2009           else if (!_M_impl._M_key_compare(__k, _S_key((--__before)._M_node)))
  2011               if (_S_right(__before._M_node) == 0)
  2012                 return _Res(0, __before._M_node);
  2014                 return _Res(__pos._M_node, __pos._M_node);
  2017             return _M_get_insert_equal_pos(__k);
  2022           iterator __after = __pos;
  2023           if (__pos._M_node == _M_rightmost())
  2024             return _Res(0, _M_rightmost());
  2025           else if (!_M_impl._M_key_compare(_S_key((++__after)._M_node), __k))
  2027               if (_S_right(__pos._M_node) == 0)
  2028                 return _Res(0, __pos._M_node);
  2030                 return _Res(__after._M_node, __after._M_node);
  2037   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2038            typename _Compare, 
typename _Alloc>
  2039 #if __cplusplus >= 201103L  2040     template<
typename _Arg, 
typename _NodeGen>
  2042     template<
typename _NodeGen>
  2044       typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  2045       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2046       _M_insert_equal_(const_iterator __position,
  2047 #
if __cplusplus >= 201103L
  2052                        _NodeGen& __node_gen)
  2054         pair<_Base_ptr, _Base_ptr> __res
  2055           = _M_get_insert_hint_equal_pos(__position, _KeyOfValue()(__v));
  2058           return _M_insert_(__res.first, __res.second,
  2059                             _GLIBCXX_FORWARD(_Arg, __v),
  2062         return _M_insert_equal_lower(_GLIBCXX_FORWARD(_Arg, __v));
  2065 #if __cplusplus >= 201103L  2066   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2067            typename _Compare, 
typename _Alloc>
  2068     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  2069     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2070     _M_insert_node(_Base_ptr __x, _Base_ptr __p, _Link_type __z)
  2072       bool __insert_left = (__x != 0 || __p == _M_end()
  2073                             || _M_impl._M_key_compare(_S_key(__z),
  2076       _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
  2077                                     this->_M_impl._M_header);
  2078       ++_M_impl._M_node_count;
  2079       return iterator(__z);
  2082   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2083            typename _Compare, 
typename _Alloc>
  2084     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  2085     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2086     _M_insert_lower_node(_Base_ptr __p, _Link_type __z)
  2088       bool __insert_left = (__p == _M_end()
  2089                             || !_M_impl._M_key_compare(_S_key(__p),
  2092       _Rb_tree_insert_and_rebalance(__insert_left, __z, __p,
  2093                                     this->_M_impl._M_header);
  2094       ++_M_impl._M_node_count;
  2095       return iterator(__z);
  2098   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2099            typename _Compare, 
typename _Alloc>
  2100     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  2101     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2102     _M_insert_equal_lower_node(_Link_type __z)
  2104       _Link_type __x = _M_begin();
  2105       _Link_type __y = _M_end();
  2109           __x = !_M_impl._M_key_compare(_S_key(__x), _S_key(__z)) ?
  2110                 _S_left(__x) : _S_right(__x);
  2112       return _M_insert_lower_node(__y, __z);
  2115   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2116            typename _Compare, 
typename _Alloc>
  2117     template<
typename... _Args>
  2118       pair<
typename _Rb_tree<_Key, _Val, _KeyOfValue,
  2119                              _Compare, _Alloc>::iterator, 
bool>
  2120       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2121       _M_emplace_unique(_Args&&... __args)
  2123         _Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
  2127             typedef pair<iterator, bool> _Res;
  2128             auto __res = _M_get_insert_unique_pos(_S_key(__z));
  2130               return _Res(_M_insert_node(__res.first, __res.second, __z), 
true);
  2133             return _Res(iterator(static_cast<_Link_type>(__res.first)), 
false);
  2138             __throw_exception_again;
  2142   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2143            typename _Compare, 
typename _Alloc>
  2144     template<
typename... _Args>
  2145       typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  2146       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2147       _M_emplace_equal(_Args&&... __args)
  2149         _Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
  2153             auto __res = _M_get_insert_equal_pos(_S_key(__z));
  2154             return _M_insert_node(__res.first, __res.second, __z);
  2159             __throw_exception_again;
  2163   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2164            typename _Compare, 
typename _Alloc>
  2165     template<
typename... _Args>
  2166       typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  2167       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2168       _M_emplace_hint_unique(const_iterator __pos, _Args&&... __args)
  2170         _Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
  2174             auto __res = _M_get_insert_hint_unique_pos(__pos, _S_key(__z));
  2177               return _M_insert_node(__res.first, __res.second, __z);
  2180             return iterator(static_cast<_Link_type>(__res.first));
  2185             __throw_exception_again;
  2189   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2190            typename _Compare, 
typename _Alloc>
  2191     template<
typename... _Args>
  2192       typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator
  2193       _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2194       _M_emplace_hint_equal(const_iterator __pos, _Args&&... __args)
  2196         _Link_type __z = _M_create_node(std::forward<_Args>(__args)...);
  2200             auto __res = _M_get_insert_hint_equal_pos(__pos, _S_key(__z));
  2203               return _M_insert_node(__res.first, __res.second, __z);
  2205             return _M_insert_equal_lower_node(__z);
  2210             __throw_exception_again;
  2215   template<
typename _Key, 
typename _Val, 
typename _KoV,
  2216            typename _Cmp, 
typename _Alloc>
  2219       _Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>::
  2220       _M_insert_unique(_II __first, _II __last)
  2222         _Alloc_node __an(*
this);
  2223         for (; __first != __last; ++__first)
  2224           _M_insert_unique_(
end(), *__first, __an);
  2227   template<
typename _Key, 
typename _Val, 
typename _KoV,
  2228            typename _Cmp, 
typename _Alloc>
  2231       _Rb_tree<_Key, _Val, _KoV, _Cmp, _Alloc>::
  2232       _M_insert_equal(_II __first, _II __last)
  2234         _Alloc_node __an(*
this);
  2235         for (; __first != __last; ++__first)
  2236           _M_insert_equal_(
end(), *__first, __an);
  2239   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2240            typename _Compare, 
typename _Alloc>
  2242     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2243     _M_erase_aux(const_iterator __position)
  2246         static_cast<_Link_type
>(_Rb_tree_rebalance_for_erase
  2247                                 (const_cast<_Base_ptr>(__position._M_node),
  2248                                  this->_M_impl._M_header));
  2250       --_M_impl._M_node_count;
  2253   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2254            typename _Compare, 
typename _Alloc>
  2256     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2257     _M_erase_aux(const_iterator __first, const_iterator __last)
  2259       if (__first == 
begin() && __last == 
end())
  2262         while (__first != __last)
  2266   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2267            typename _Compare, 
typename _Alloc>
  2268     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::size_type
  2269     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2270     erase(
const _Key& __x)
  2272       pair<iterator, iterator> __p = equal_range(__x);
  2273       const size_type __old_size = 
size();
  2274       erase(__p.first, __p.second);
  2275       return __old_size - 
size();
  2278   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2279            typename _Compare, 
typename _Alloc>
  2281     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2282     erase(
const _Key* __first, 
const _Key* __last)
  2284       while (__first != __last)
  2288   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2289            typename _Compare, 
typename _Alloc>
  2290     typename _Rb_tree<_Key, _Val, _KeyOfValue,
  2291                       _Compare, _Alloc>::iterator
  2292     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2293     find(
const _Key& __k)
  2295       iterator __j = _M_lower_bound(_M_begin(), _M_end(), __k);
  2296       return (__j == 
end()
  2297               || _M_impl._M_key_compare(__k,
  2298                                         _S_key(__j._M_node))) ? 
end() : __j;
  2301   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2302            typename _Compare, 
typename _Alloc>
  2303     typename _Rb_tree<_Key, _Val, _KeyOfValue,
  2304                       _Compare, _Alloc>::const_iterator
  2305     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2306     find(
const _Key& __k)
 const  2308       const_iterator __j = _M_lower_bound(_M_begin(), _M_end(), __k);
  2309       return (__j == 
end()
  2310               || _M_impl._M_key_compare(__k, 
  2311                                         _S_key(__j._M_node))) ? 
end() : __j;
  2314   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2315            typename _Compare, 
typename _Alloc>
  2316     typename _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::size_type
  2317     _Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::
  2318     count(
const _Key& __k)
 const  2320       pair<const_iterator, const_iterator> __p = equal_range(__k);
  2325   _GLIBCXX_PURE 
unsigned int  2326   _Rb_tree_black_count(
const _Rb_tree_node_base* __node,
  2327                        const _Rb_tree_node_base* __root) 
throw ();
  2329   template<
typename _Key, 
typename _Val, 
typename _KeyOfValue,
  2330            typename _Compare, 
typename _Alloc>
  2332     _Rb_tree<_Key,_Val,_KeyOfValue,_Compare,_Alloc>::__rb_verify()
 const  2334       if (_M_impl._M_node_count == 0 || 
begin() == 
end())
  2335         return _M_impl._M_node_count == 0 && 
begin() == 
end()
  2336                && this->_M_impl._M_header._M_left == _M_end()
  2337                && this->_M_impl._M_header._M_right == _M_end();
  2339       unsigned int __len = _Rb_tree_black_count(_M_leftmost(), _M_root());
  2340       for (const_iterator __it = 
begin(); __it != 
end(); ++__it)
  2342           _Const_Link_type __x = 
static_cast<_Const_Link_type
>(__it._M_node);
  2343           _Const_Link_type __L = _S_left(__x);
  2344           _Const_Link_type __R = _S_right(__x);
  2346           if (__x->_M_color == _S_red)
  2347             if ((__L && __L->_M_color == _S_red)
  2348                 || (__R && __R->_M_color == _S_red))
  2351           if (__L && _M_impl._M_key_compare(_S_key(__x), _S_key(__L)))
  2353           if (__R && _M_impl._M_key_compare(_S_key(__R), _S_key(__x)))
  2356           if (!__L && !__R && _Rb_tree_black_count(__x, _M_root()) != __len)
  2360       if (_M_leftmost() != _Rb_tree_node_base::_S_minimum(_M_root()))
  2362       if (_M_rightmost() != _Rb_tree_node_base::_S_maximum(_M_root()))
  2367 _GLIBCXX_END_NAMESPACE_VERSION
 bool lexicographical_compare(_II1 __first1, _II1 __last1, _II2 __first2, _II2 __last2, _Compare __comp)
Performs dictionary comparison on ranges. 
iterator begin()
As per Table mumble. 
_Tp * __addressof(_Tp &__r) noexcept
Same as C++11 std::addressof. 
auto rbegin(_Container &__cont) -> decltype(__cont.rbegin())        
Return a reverse iterator pointing to the last element of the container. 
integral_constant< bool, true > true_type
The type used as a compile-time boolean with true value. 
complex< _Tp > operator*(const complex< _Tp > &__x, const complex< _Tp > &__y)
Return new complex value x times y. 
constexpr _Tp && forward(typename std::remove_reference< _Tp >::type &__t) noexcept
Forward an lvalue. 
iterator_traits< _InputIterator >::difference_type distance(_InputIterator __first, _InputIterator __last)
A generalization of pointer arithmetic. 
bool equal(_IIter1 __first1, _IIter1 __last1, _IIter2 __first2, _IIter2 __last2, _BinaryPredicate __binary_pred)
Tests a range for element-wise equality. 
integral_constant< bool, false > false_type
The type used as a compile-time boolean with false value. 
constexpr const _Tp * begin(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to the first element of the initializer_list. 
iterator end()
As per Table mumble. 
constexpr conditional< __move_if_noexcept_cond< _Tp >::value, const _Tp &, _Tp && >::type move_if_noexcept(_Tp &__x) noexcept
Conditionally convert a value to an rvalue. 
size_type size() const 
As per Table mumble. 
ISO C++ entities toplevel namespace is std. 
constexpr const _Tp * end(initializer_list< _Tp > __ils) noexcept
Return an iterator pointing to one past the last element of the initializer_list. ...
Uniform interface to C++98 and C++0x allocators. 
auto rend(_Container &__cont) -> decltype(__cont.rend())        
Return a reverse iterator pointing one past the first element of the container.