378 lines
10 KiB
C++
378 lines
10 KiB
C++
// List implementation (out of line) -*- C++ -*-
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// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 2, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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/*
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*
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* Copyright (c) 1994
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* Hewlett-Packard Company
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Hewlett-Packard Company makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*
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*
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* Copyright (c) 1996,1997
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* Silicon Graphics Computer Systems, Inc.
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*
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* Permission to use, copy, modify, distribute and sell this software
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* and its documentation for any purpose is hereby granted without fee,
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* provided that the above copyright notice appear in all copies and
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* that both that copyright notice and this permission notice appear
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* in supporting documentation. Silicon Graphics makes no
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* representations about the suitability of this software for any
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* purpose. It is provided "as is" without express or implied warranty.
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*/
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/** @file list.tcc
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly.
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*/
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#ifndef _LIST_TCC
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#define _LIST_TCC 1
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namespace __gnu_norm
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{
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template<typename _Tp, typename _Alloc>
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void
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_List_base<_Tp,_Alloc>::
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_M_clear()
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{
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typedef _List_node<_Tp> _Node;
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_Node* __cur = static_cast<_Node*>(this->_M_node._M_next);
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while (__cur != &this->_M_node)
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{
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_Node* __tmp = __cur;
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__cur = static_cast<_Node*>(__cur->_M_next);
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std::_Destroy(&__tmp->_M_data);
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_M_put_node(__tmp);
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}
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}
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template<typename _Tp, typename _Alloc>
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typename list<_Tp,_Alloc>::iterator
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list<_Tp,_Alloc>::
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insert(iterator __position, const value_type& __x)
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{
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_Node* __tmp = _M_create_node(__x);
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__tmp->hook(__position._M_node);
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return __tmp;
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}
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template<typename _Tp, typename _Alloc>
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typename list<_Tp,_Alloc>::iterator
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list<_Tp,_Alloc>::
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erase(iterator __position)
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{
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iterator __ret = __position._M_node->_M_next;
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_M_erase(__position);
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return __ret;
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}
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template<typename _Tp, typename _Alloc>
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void
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list<_Tp,_Alloc>::
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resize(size_type __new_size, const value_type& __x)
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{
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iterator __i = begin();
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size_type __len = 0;
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for ( ; __i != end() && __len < __new_size; ++__i, ++__len)
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;
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if (__len == __new_size)
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erase(__i, end());
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else // __i == end()
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insert(end(), __new_size - __len, __x);
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}
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template<typename _Tp, typename _Alloc>
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list<_Tp,_Alloc>&
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list<_Tp,_Alloc>::
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operator=(const list& __x)
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{
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if (this != &__x)
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{
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iterator __first1 = begin();
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iterator __last1 = end();
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const_iterator __first2 = __x.begin();
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const_iterator __last2 = __x.end();
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while (__first1 != __last1 && __first2 != __last2)
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*__first1++ = *__first2++;
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if (__first2 == __last2)
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erase(__first1, __last1);
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else
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insert(__last1, __first2, __last2);
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}
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return *this;
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}
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template<typename _Tp, typename _Alloc>
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void
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list<_Tp,_Alloc>::
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_M_fill_assign(size_type __n, const value_type& __val)
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{
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iterator __i = begin();
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for ( ; __i != end() && __n > 0; ++__i, --__n)
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*__i = __val;
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if (__n > 0)
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insert(end(), __n, __val);
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else
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erase(__i, end());
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}
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template<typename _Tp, typename _Alloc>
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template <typename _InputIterator>
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void
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list<_Tp,_Alloc>::
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_M_assign_dispatch(_InputIterator __first2, _InputIterator __last2,
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__false_type)
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{
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iterator __first1 = begin();
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iterator __last1 = end();
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for (; __first1 != __last1 && __first2 != __last2;
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++__first1, ++__first2)
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*__first1 = *__first2;
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if (__first2 == __last2)
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erase(__first1, __last1);
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else
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insert(__last1, __first2, __last2);
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}
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template<typename _Tp, typename _Alloc>
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void
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list<_Tp,_Alloc>::
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remove(const value_type& __value)
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{
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iterator __first = begin();
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iterator __last = end();
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while (__first != __last)
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{
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iterator __next = __first;
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++__next;
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if (*__first == __value)
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_M_erase(__first);
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__first = __next;
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}
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}
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template<typename _Tp, typename _Alloc>
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void
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list<_Tp,_Alloc>::
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unique()
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{
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iterator __first = begin();
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iterator __last = end();
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if (__first == __last)
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return;
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iterator __next = __first;
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while (++__next != __last)
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{
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if (*__first == *__next)
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_M_erase(__next);
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else
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__first = __next;
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__next = __first;
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}
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}
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template<typename _Tp, typename _Alloc>
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void
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list<_Tp,_Alloc>::
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merge(list& __x)
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 300. list::merge() specification incomplete
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if (this != &__x)
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{
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iterator __first1 = begin();
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iterator __last1 = end();
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iterator __first2 = __x.begin();
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iterator __last2 = __x.end();
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while (__first1 != __last1 && __first2 != __last2)
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if (*__first2 < *__first1)
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{
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iterator __next = __first2;
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_M_transfer(__first1, __first2, ++__next);
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__first2 = __next;
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}
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else
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++__first1;
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if (__first2 != __last2)
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_M_transfer(__last1, __first2, __last2);
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}
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}
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template<typename _Tp, typename _Alloc>
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void
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list<_Tp,_Alloc>::
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sort()
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{
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// Do nothing if the list has length 0 or 1.
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if (this->_M_node._M_next != &this->_M_node
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&& this->_M_node._M_next->_M_next != &this->_M_node)
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{
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list __carry;
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list __tmp[64];
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list * __fill = &__tmp[0];
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list * __counter;
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do
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{
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__carry.splice(__carry.begin(), *this, begin());
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for(__counter = &__tmp[0];
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(__counter != __fill) && !__counter->empty();
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++__counter)
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{
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__counter->merge(__carry);
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__carry.swap(*__counter);
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}
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__carry.swap(*__counter);
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if (__counter == __fill)
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++__fill;
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}
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while ( !empty() );
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for (__counter = &__tmp[1]; __counter != __fill; ++__counter)
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__counter->merge( *(__counter-1) );
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swap( *(__fill-1) );
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}
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}
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template<typename _Tp, typename _Alloc>
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template <typename _Predicate>
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void
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list<_Tp,_Alloc>::
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remove_if(_Predicate __pred)
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{
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iterator __first = begin();
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iterator __last = end();
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while (__first != __last)
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{
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iterator __next = __first;
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++__next;
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if (__pred(*__first))
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_M_erase(__first);
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__first = __next;
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}
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}
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template<typename _Tp, typename _Alloc>
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template <typename _BinaryPredicate>
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void
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list<_Tp,_Alloc>::
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unique(_BinaryPredicate __binary_pred)
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{
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iterator __first = begin();
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iterator __last = end();
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if (__first == __last) return;
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iterator __next = __first;
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while (++__next != __last)
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{
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if (__binary_pred(*__first, *__next))
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_M_erase(__next);
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else
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__first = __next;
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__next = __first;
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}
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}
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template<typename _Tp, typename _Alloc>
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template <typename _StrictWeakOrdering>
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void
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list<_Tp,_Alloc>::
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merge(list& __x, _StrictWeakOrdering __comp)
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{
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 300. list::merge() specification incomplete
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if (this != &__x)
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{
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iterator __first1 = begin();
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iterator __last1 = end();
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iterator __first2 = __x.begin();
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iterator __last2 = __x.end();
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while (__first1 != __last1 && __first2 != __last2)
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if (__comp(*__first2, *__first1))
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{
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iterator __next = __first2;
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_M_transfer(__first1, __first2, ++__next);
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__first2 = __next;
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}
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else
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++__first1;
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if (__first2 != __last2)
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_M_transfer(__last1, __first2, __last2);
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}
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}
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template<typename _Tp, typename _Alloc>
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template <typename _StrictWeakOrdering>
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void
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list<_Tp,_Alloc>::
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sort(_StrictWeakOrdering __comp)
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{
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// Do nothing if the list has length 0 or 1.
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if (this->_M_node._M_next != &this->_M_node
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&& this->_M_node._M_next->_M_next != &this->_M_node)
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{
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list __carry;
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list __tmp[64];
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list * __fill = &__tmp[0];
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list * __counter;
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do
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{
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__carry.splice(__carry.begin(), *this, begin());
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for(__counter = &__tmp[0];
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(__counter != __fill) && !__counter->empty();
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++__counter)
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{
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__counter->merge(__carry, __comp);
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__carry.swap(*__counter);
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}
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__carry.swap(*__counter);
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if (__counter == __fill)
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++__fill;
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}
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while ( !empty() );
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for (__counter = &__tmp[1]; __counter != __fill; ++__counter)
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__counter->merge( *(__counter-1), __comp );
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swap( *(__fill-1) );
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}
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}
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} // namespace __gnu_norm
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#endif /* _LIST_TCC */
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