// Compatibility symbols for previous versions, list bits -*- C++ -*-
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// Compatibility symbols for previous versions, list bits -*- C++ -*-
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// Copyright (C) 2010 Free Software Foundation, Inc.
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// Copyright (C) 2010 Free Software Foundation, Inc.
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//
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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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// 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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// 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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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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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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// 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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// 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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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// GNU General Public License for more details.
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// Under Section 7 of GPL version 3, you are granted additional
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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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// <http://www.gnu.org/licenses/>.
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#include <bits/move.h>
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#include <bits/move.h>
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_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
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_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
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struct _List_node_base
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struct _List_node_base
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{
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{
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_List_node_base* _M_next;
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_List_node_base* _M_next;
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_List_node_base* _M_prev;
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_List_node_base* _M_prev;
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void
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void
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transfer(_List_node_base * const __first,
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transfer(_List_node_base * const __first,
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_List_node_base * const __last) throw ();
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_List_node_base * const __last) throw ();
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void
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void
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reverse() throw ();
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reverse() throw ();
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void
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void
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hook(_List_node_base * const __position) throw ();
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hook(_List_node_base * const __position) throw ();
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void
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void
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unhook() throw ();
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unhook() throw ();
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};
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};
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void
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void
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_List_node_base::transfer(_List_node_base * const __first,
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_List_node_base::transfer(_List_node_base * const __first,
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_List_node_base * const __last) throw ()
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_List_node_base * const __last) throw ()
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{
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{
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if (this != __last)
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if (this != __last)
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{
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{
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// Remove [first, last) from its old position.
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// Remove [first, last) from its old position.
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__last->_M_prev->_M_next = this;
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__last->_M_prev->_M_next = this;
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__first->_M_prev->_M_next = __last;
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__first->_M_prev->_M_next = __last;
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this->_M_prev->_M_next = __first;
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this->_M_prev->_M_next = __first;
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// Splice [first, last) into its new position.
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// Splice [first, last) into its new position.
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_List_node_base* const __tmp = this->_M_prev;
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_List_node_base* const __tmp = this->_M_prev;
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this->_M_prev = __last->_M_prev;
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this->_M_prev = __last->_M_prev;
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__last->_M_prev = __first->_M_prev;
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__last->_M_prev = __first->_M_prev;
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__first->_M_prev = __tmp;
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__first->_M_prev = __tmp;
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}
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}
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}
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}
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void
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void
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_List_node_base::reverse() throw ()
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_List_node_base::reverse() throw ()
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{
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{
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_List_node_base* __tmp = this;
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_List_node_base* __tmp = this;
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do
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do
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{
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{
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std::swap(__tmp->_M_next, __tmp->_M_prev);
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std::swap(__tmp->_M_next, __tmp->_M_prev);
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// Old next node is now prev.
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// Old next node is now prev.
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__tmp = __tmp->_M_prev;
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__tmp = __tmp->_M_prev;
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}
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}
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while (__tmp != this);
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while (__tmp != this);
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}
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}
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void
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void
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_List_node_base::hook(_List_node_base* const __position) throw ()
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_List_node_base::hook(_List_node_base* const __position) throw ()
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{
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{
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this->_M_next = __position;
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this->_M_next = __position;
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this->_M_prev = __position->_M_prev;
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this->_M_prev = __position->_M_prev;
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__position->_M_prev->_M_next = this;
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__position->_M_prev->_M_next = this;
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__position->_M_prev = this;
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__position->_M_prev = this;
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}
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}
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void
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void
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_List_node_base::unhook() throw ()
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_List_node_base::unhook() throw ()
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{
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{
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_List_node_base* const __next_node = this->_M_next;
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_List_node_base* const __next_node = this->_M_next;
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_List_node_base* const __prev_node = this->_M_prev;
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_List_node_base* const __prev_node = this->_M_prev;
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__prev_node->_M_next = __next_node;
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__prev_node->_M_next = __next_node;
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__next_node->_M_prev = __prev_node;
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__next_node->_M_prev = __prev_node;
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}
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}
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_GLIBCXX_END_NESTED_NAMESPACE
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_GLIBCXX_END_NESTED_NAMESPACE
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