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698 lines
17 KiB
698 lines
17 KiB
#pragma once
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#ifndef _STLLIST_H_
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#define _STLLIST_H_
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//#include <cstddef>
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//#include <functional>
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//#include <iterator>
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//#include <memory>
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//#include <stdexcept>
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//#include <xutility>
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#include <stlxstdd.h>
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#include <stlfunc.h>
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#include <stliter.h>
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#include <stlmem.h>
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#include <stlxutil.h>
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#ifdef _MSC_VER
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#pragma pack(push,8)
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#endif /* _MSC_VER */
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_STD_BEGIN
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// TEMPLATE CLASS list
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template<class _Ty, class _A = allocator<_Ty> >
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class list
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{
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protected:
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typedef _POINTER_X(void, _A) _Genptr;
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struct _Node;
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friend struct _Node;
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struct _Node
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{
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_Genptr _Next, _Prev;
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_Ty _Value;
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};
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typedef _POINTER_X(_Node, _A) _Nodeptr;
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struct _Acc;
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friend struct _Acc;
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struct _Acc
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{
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typedef _REFERENCE_X(_Nodeptr, _A) _Nodepref;
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typedef _A::reference _Vref;
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static _Nodepref _Next(_Nodeptr _P)
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{
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return ((_Nodepref)(*_P)._Next);
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}
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static _Nodepref _Prev(_Nodeptr _P)
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{
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return ((_Nodepref)(*_P)._Prev);
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}
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static _Vref _Value(_Nodeptr _P)
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{
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return ((_Vref)(*_P)._Value);
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}
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};
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public:
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typedef list<_Ty, _A> _Myt;
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typedef _A allocator_type;
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typedef _A::size_type size_type;
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typedef _A::difference_type difference_type;
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typedef _A::pointer _Tptr;
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typedef _A::const_pointer _Ctptr;
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typedef _A::reference reference;
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typedef _A::const_reference const_reference;
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typedef _A::value_type value_type;
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// CLASS iterator
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class iterator;
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friend class iterator;
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class iterator : public _Bidit<_Ty, difference_type>
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{
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public:
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iterator()
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{
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}
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iterator(_Nodeptr _P)
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: _Ptr(_P)
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{
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}
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reference operator*() const
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{
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return (_Acc::_Value(_Ptr));
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}
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_Tptr operator->() const
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{
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return (&**this);
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}
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iterator& operator++()
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{
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_Ptr = _Acc::_Next(_Ptr);
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return (*this);
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}
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iterator operator++(int)
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{
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iterator _Tmp = *this;
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++*this;
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return (_Tmp);
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}
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iterator& operator--()
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{
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_Ptr = _Acc::_Prev(_Ptr);
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return (*this);
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}
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iterator operator--(int)
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{
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iterator _Tmp = *this;
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--*this;
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return (_Tmp);
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}
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bool operator==(const iterator& _X) const
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{
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return (_Ptr == _X._Ptr);
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}
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bool operator!=(const iterator& _X) const
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{
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return (!(*this == _X));
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}
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_Nodeptr _Mynode() const
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{
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return (_Ptr);
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}
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protected:
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_Nodeptr _Ptr;
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};
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// CLASS const_iterator
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class const_iterator;
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friend class const_iterator;
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class const_iterator : public iterator
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{
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public:
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const_iterator()
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{
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}
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const_iterator(_Nodeptr _P)
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: iterator(_P)
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{
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}
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const_iterator(const iterator& _X)
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: iterator(_X)
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{
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}
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const_reference operator*() const
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{
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return (_Acc::_Value(_Ptr));
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}
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_Ctptr operator->() const
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{
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return (&**this);
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}
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const_iterator& operator++()
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{
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_Ptr = _Acc::_Next(_Ptr);
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return (*this);
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}
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const_iterator operator++(int)
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{
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iterator _Tmp = *this;
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++*this;
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return (_Tmp);
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}
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const_iterator& operator--()
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{
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_Ptr = _Acc::_Prev(_Ptr);
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return (*this);
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}
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const_iterator operator--(int)
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{
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iterator _Tmp = *this;
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--*this;
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return (_Tmp);
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}
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bool operator==(const const_iterator& _X) const
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{
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return (_Ptr == _X._Ptr);
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}
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bool operator!=(const const_iterator& _X) const
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{
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return (!(*this == _X));
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}
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};
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typedef reverse_bidirectional_iterator<iterator,
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value_type, reference, _Tptr, difference_type>
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reverse_iterator;
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typedef reverse_bidirectional_iterator<const_iterator,
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value_type, const_reference, _Ctptr, difference_type>
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const_reverse_iterator;
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explicit list(const _A& _Al = _A())
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: allocator(_Al),
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_Head(_Buynode()), _Size(0)
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{
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}
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explicit list(size_type _N, const _Ty& _V = _Ty(),
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const _A& _Al = _A())
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: allocator(_Al),
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_Head(_Buynode()), _Size(0)
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{
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insert(begin(), _N, _V);
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}
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list(const _Myt& _X)
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: allocator(_X.allocator),
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_Head(_Buynode()), _Size(0)
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{
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insert(begin(), _X.begin(), _X.end());
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}
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typedef const_iterator _It;
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list(_It _F, _It _L, const _A& _Al = _A())
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: allocator(_Al),
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_Head(_Buynode()), _Size(0)
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{
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insert(begin(), _F, _L);
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}
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~list()
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{
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erase(begin(), end());
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_Freenode(_Head);
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_Head = 0, _Size = 0;
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}
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_Myt& operator=(const _Myt& _X)
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{
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if (this != &_X)
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{
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iterator _F1 = begin();
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iterator _L1 = end();
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const_iterator _F2 = _X.begin();
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const_iterator _L2 = _X.end();
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for (; _F1 != _L1 && _F2 != _L2; ++_F1, ++_F2)
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*_F1 = *_F2;
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erase(_F1, _L1);
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insert(_L1, _F2, _L2);
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}
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return (*this);
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}
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iterator begin()
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{
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return (iterator(_Acc::_Next(_Head)));
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}
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const_iterator begin() const
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{
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return (const_iterator(_Acc::_Next(_Head)));
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}
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iterator end()
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{
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return (iterator(_Head));
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}
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const_iterator end() const
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{
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return (const_iterator(_Head));
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}
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reverse_iterator rbegin()
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{
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return (reverse_iterator(end()));
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}
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const_reverse_iterator rbegin() const
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{
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return (const_reverse_iterator(end()));
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}
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reverse_iterator rend()
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{
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return (reverse_iterator(begin()));
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}
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const_reverse_iterator rend() const
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{
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return (const_reverse_iterator(begin()));
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}
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void resize(size_type _N, _Ty _X = _Ty())
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{
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if (size() < _N)
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insert(end(), _N - size(), _X);
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else
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while (_N < size())
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pop_back();
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}
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size_type size() const
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{
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return (_Size);
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}
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size_type max_size() const
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{
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return (allocator.max_size());
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}
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bool empty() const
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{
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return (size() == 0);
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}
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_A get_allocator() const
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{
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return (allocator);
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}
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reference front()
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{
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return (*begin());
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}
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const_reference front() const
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{
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return (*begin());
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}
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reference back()
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{
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return (*(--end()));
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}
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const_reference back() const
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{
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return (*(--end()));
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}
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void push_front(const _Ty& _X)
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{
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insert(begin(), _X);
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}
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void pop_front()
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{
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erase(begin());
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}
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void push_back(const _Ty& _X)
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{
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insert(end(), _X);
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}
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void pop_back()
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{
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erase(--end());
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}
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void assign(_It _F, _It _L)
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{
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erase(begin(), end());
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insert(begin(), _F, _L);
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}
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void assign(size_type _N, const _Ty& _X = _Ty())
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{
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erase(begin(), end());
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insert(begin(), _N, _X);
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}
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iterator insert(iterator _P, const _Ty& _X = _Ty())
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{
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_Nodeptr _S = _P._Mynode();
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_Acc::_Prev(_S) = _Buynode(_S, _Acc::_Prev(_S));
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_S = _Acc::_Prev(_S);
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_Acc::_Next(_Acc::_Prev(_S)) = _S;
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allocator.construct(&_Acc::_Value(_S), _X);
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++_Size;
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return (iterator(_S));
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}
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void insert(iterator _P, size_type _M, const _Ty& _X)
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{
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for (; 0 < _M; --_M)
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insert(_P, _X);
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}
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void insert(iterator _P, const _Ty *_F, const _Ty *_L)
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{
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for (; _F != _L; ++_F)
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insert(_P, *_F);
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}
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void insert(iterator _P, _It _F, _It _L)
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{
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for (; _F != _L; ++_F)
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insert(_P, *_F);
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}
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iterator erase(iterator _P)
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{
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_Nodeptr _S = (_P++)._Mynode();
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_Acc::_Next(_Acc::_Prev(_S)) = _Acc::_Next(_S);
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_Acc::_Prev(_Acc::_Next(_S)) = _Acc::_Prev(_S);
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allocator.destroy(&_Acc::_Value(_S));
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_Freenode(_S);
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--_Size;
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return (_P);
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}
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iterator erase(iterator _F, iterator _L)
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{
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while (_F != _L)
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erase(_F++);
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return (_F);
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}
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void clear()
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{
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erase(begin(), end());
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}
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void swap(_Myt& _X)
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{
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if (allocator == _X.allocator)
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{
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std::swap(_Head, _X._Head);
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std::swap(_Size, _X._Size);
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}
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else
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{
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iterator _P = begin();
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splice(_P, _X);
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_X.splice(_X.begin(), *this, _P, end());
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}
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}
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friend void swap(_Myt& _X, _Myt& _Y)
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{
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_X.swap(_Y);
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}
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void splice(iterator _P, _Myt& _X)
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{
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if (!_X.empty())
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{
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_Splice(_P, _X, _X.begin(), _X.end());
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_Size += _X._Size;
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_X._Size = 0;
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}
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}
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void splice(iterator _P, _Myt& _X, iterator _F)
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{
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iterator _L = _F;
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if (_P != _F && _P != ++_L)
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{
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_Splice(_P, _X, _F, _L);
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++_Size;
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--_X._Size;
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}
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}
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void splice(iterator _P, _Myt& _X, iterator _F, iterator _L)
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{
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if (_F != _L)
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{
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if (&_X != this)
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{
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size_type _N = 0;
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_Distance(_F, _L, _N);
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_Size += _N;
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_X._Size -= _N;
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}
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_Splice(_P, _X, _F, _L);
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}
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}
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void remove(const _Ty& _V)
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{
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iterator _L = end();
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for (iterator _F = begin(); _F != _L; )
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if (*_F == _V)
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erase(_F++);
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else
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++_F;
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}
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typedef binder2nd<not_equal_to<_Ty> > _Pr1;
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void remove_if(_Pr1 _Pr)
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{
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iterator _L = end();
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for (iterator _F = begin(); _F != _L; )
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if (_Pr(*_F))
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erase(_F++);
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else
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++_F;
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}
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void unique()
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{
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iterator _F = begin(), _L = end();
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if (_F != _L)
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for (iterator _M = _F; ++_M != _L; _M = _F)
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if (*_F == *_M)
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erase(_M);
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else
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_F = _M;
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}
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typedef not_equal_to<_Ty> _Pr2;
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void unique(_Pr2 _Pr)
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{
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iterator _F = begin(), _L = end();
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if (_F != _L)
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for (iterator _M = _F; ++_M != _L; _M = _F)
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if (_Pr(*_F, *_M))
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erase(_M);
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else
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_F = _M;
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}
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void merge(_Myt& _X)
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{
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if (&_X != this)
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{
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iterator _F1 = begin(), _L1 = end();
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iterator _F2 = _X.begin(), _L2 = _X.end();
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while (_F1 != _L1 && _F2 != _L2)
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if (*_F2 < *_F1)
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{
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iterator _Mid2 = _F2;
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_Splice(_F1, _X, _F2, ++_Mid2);
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_F2 = _Mid2;
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}
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else
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++_F1;
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if (_F2 != _L2)
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_Splice(_L1, _X, _F2, _L2);
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_Size += _X._Size;
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_X._Size = 0;
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}
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}
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typedef greater<_Ty> _Pr3;
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void merge(_Myt& _X, _Pr3 _Pr)
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{
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if (&_X != this)
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{
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iterator _F1 = begin(), _L1 = end();
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iterator _F2 = _X.begin(), _L2 = _X.end();
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while (_F1 != _L1 && _F2 != _L2)
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if (_Pr(*_F2, *_F1))
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{
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iterator _Mid2 = _F2;
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_Splice(_F1, _X, _F2, ++_Mid2);
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_F2 = _Mid2;
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}
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else
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++_F1;
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if (_F2 != _L2)
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_Splice(_L1, _X, _F2, _L2);
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_Size += _X._Size;
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_X._Size = 0;
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}
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}
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void sort()
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{
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if (2 <= size())
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{
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const size_t _MAXN = 15;
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_Myt _X(allocator), _A[_MAXN + 1];
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size_t _N = 0;
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while (!empty())
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{
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_X.splice(_X.begin(), *this, begin());
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size_t _I;
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for (_I = 0; _I < _N && !_A[_I].empty(); ++_I)
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{
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_A[_I].merge(_X);
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_A[_I].swap(_X);
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}
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if (_I == _MAXN)
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_A[_I].merge(_X);
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else
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{
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_A[_I].swap(_X);
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if (_I == _N)
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++_N;
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}
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}
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while (0 < _N)
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merge(_A[--_N]);
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}
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}
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void sort(_Pr3 _Pr)
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{
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if (2 <= size())
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{
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const size_t _MAXN = 15;
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_Myt _X(allocator), _A[_MAXN + 1];
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size_t _N = 0;
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while (!empty())
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{
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_X.splice(_X.begin(), *this, begin());
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size_t _I;
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for (_I = 0; _I < _N && !_A[_I].empty(); ++_I)
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{
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_A[_I].merge(_X, _Pr);
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_A[_I].swap(_X);
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}
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if (_I == _MAXN)
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_A[_I].merge(_X, _Pr);
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else
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{
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_A[_I].swap(_X);
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if (_I == _N)
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++_N;
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}
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}
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while (0 < _N)
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merge(_A[--_N], _Pr);
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}
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}
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void reverse()
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{
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if (2 <= size())
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{
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iterator _L = end();
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for (iterator _F = ++begin(); _F != _L; )
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{
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iterator _M = _F;
|
|
_Splice(begin(), *this, _M, ++_F);
|
|
}
|
|
}
|
|
}
|
|
protected:
|
|
_Nodeptr _Buynode(_Nodeptr _Narg = 0, _Nodeptr _Parg = 0)
|
|
{
|
|
_Nodeptr _S = (_Nodeptr)allocator._Charalloc(
|
|
1 * sizeof (_Node));
|
|
_Acc::_Next(_S) = _Narg != 0 ? _Narg : _S;
|
|
_Acc::_Prev(_S) = _Parg != 0 ? _Parg : _S;
|
|
return (_S);
|
|
}
|
|
void _Freenode(_Nodeptr _S)
|
|
{
|
|
allocator.deallocate(_S, 1);
|
|
}
|
|
void _Splice(iterator _P, _Myt& _X, iterator _F, iterator _L)
|
|
{
|
|
if (allocator == _X.allocator)
|
|
{
|
|
_Acc::_Next(_Acc::_Prev(_L._Mynode())) =
|
|
_P._Mynode();
|
|
_Acc::_Next(_Acc::_Prev(_F._Mynode())) =
|
|
_L._Mynode();
|
|
_Acc::_Next(_Acc::_Prev(_P._Mynode())) =
|
|
_F._Mynode();
|
|
_Nodeptr _S = _Acc::_Prev(_P._Mynode());
|
|
_Acc::_Prev(_P._Mynode()) =
|
|
_Acc::_Prev(_L._Mynode());
|
|
_Acc::_Prev(_L._Mynode()) =
|
|
_Acc::_Prev(_F._Mynode());
|
|
_Acc::_Prev(_F._Mynode()) = _S;
|
|
}
|
|
else
|
|
{
|
|
insert(_P, _F, _L);
|
|
_X.erase(_F, _L);
|
|
}
|
|
}
|
|
void _Xran() const
|
|
{
|
|
_THROW(out_of_range, "invalid list<T> subscript");
|
|
}
|
|
_A allocator;
|
|
_Nodeptr _Head;
|
|
size_type _Size;
|
|
};
|
|
|
|
// list TEMPLATE OPERATORS
|
|
template<class _Ty, class _A> inline
|
|
bool operator==(const list<_Ty, _A>& _X,
|
|
const list<_Ty, _A>& _Y)
|
|
{
|
|
return (_X.size() == _Y.size()
|
|
&& equal(_X.begin(), _X.end(), _Y.begin()));
|
|
}
|
|
template<class _Ty, class _A> inline
|
|
bool operator!=(const list<_Ty, _A>& _X,
|
|
const list<_Ty, _A>& _Y)
|
|
{
|
|
return (!(_X == _Y));
|
|
}
|
|
template<class _Ty, class _A> inline
|
|
bool operator<(const list<_Ty, _A>& _X,
|
|
const list<_Ty, _A>& _Y)
|
|
{
|
|
return (lexicographical_compare(_X.begin(), _X.end(),
|
|
_Y.begin(), _Y.end()));
|
|
}
|
|
template<class _Ty, class _A> inline
|
|
bool operator>(const list<_Ty, _A>& _X,
|
|
const list<_Ty, _A>& _Y)
|
|
{
|
|
return (_Y < _X);
|
|
}
|
|
template<class _Ty, class _A> inline
|
|
bool operator<=(const list<_Ty, _A>& _X,
|
|
const list<_Ty, _A>& _Y)
|
|
{
|
|
return (!(_Y < _X));
|
|
}
|
|
template<class _Ty, class _A> inline
|
|
bool operator>=(const list<_Ty, _A>& _X,
|
|
const list<_Ty, _A>& _Y)
|
|
{
|
|
return (!(_X < _Y));
|
|
}
|
|
|
|
_STD_END
|
|
|
|
#ifdef _MSC_VER
|
|
#pragma pack(pop)
|
|
#endif /* _MSC_VER */
|
|
|
|
#endif /* _STLLIST_H_ */
|
|
|
|
/*
|
|
* Copyright (c) 1995 by P.J. Plauger. ALL RIGHTS RESERVED.
|
|
* Consult your license regarding permissions and restrictions.
|
|
*/
|
|
|
|
/*
|
|
* This file is derived from software bearing the following
|
|
* restrictions:
|
|
*
|
|
* Copyright (c) 1994
|
|
* Hewlett-Packard Company
|
|
*
|
|
* Permission to use, copy, modify, distribute and sell this
|
|
* software and its documentation for any purpose is hereby
|
|
* granted without fee, provided that the above copyright notice
|
|
* appear in all copies and that both that copyright notice and
|
|
* this permission notice appear in supporting documentation.
|
|
* Hewlett-Packard Company makes no representations about the
|
|
* suitability of this software for any purpose. It is provided
|
|
* "as is" without express or implied warranty.
|
|
*/
|