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// Debugging deque implementation -*- C++ -*- |
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|
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// Copyright (C) 2003-2021 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 3, or (at your option) |
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// any later version. |
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|
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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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|
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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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// 3.1, as published by the Free Software Foundation. |
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|
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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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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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/** @file debug/deque |
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* This file is a GNU debug extension to the Standard C++ Library. |
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*/ |
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|
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#ifndef _GLIBCXX_DEBUG_DEQUE |
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#define _GLIBCXX_DEBUG_DEQUE 1 |
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|
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#pragma GCC system_header |
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|
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#include <bits/c++config.h> |
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namespace std _GLIBCXX_VISIBILITY(default) { namespace __debug { |
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template<typename _Tp, typename _Allocator> class deque; |
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} } // namespace std::__debug |
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|
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#include <deque> |
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#include <debug/safe_sequence.h> |
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#include <debug/safe_container.h> |
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#include <debug/safe_iterator.h> |
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|
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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namespace __debug |
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{ |
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/// Class std::deque with safety/checking/debug instrumentation. |
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template<typename _Tp, typename _Allocator = std::allocator<_Tp> > |
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class deque |
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: public __gnu_debug::_Safe_container< |
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deque<_Tp, _Allocator>, _Allocator, |
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__gnu_debug::_Safe_sequence>, |
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public _GLIBCXX_STD_C::deque<_Tp, _Allocator> |
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{ |
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typedef _GLIBCXX_STD_C::deque<_Tp, _Allocator> _Base; |
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typedef __gnu_debug::_Safe_container< |
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deque, _Allocator, __gnu_debug::_Safe_sequence> _Safe; |
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|
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typedef typename _Base::const_iterator _Base_const_iterator; |
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typedef typename _Base::iterator _Base_iterator; |
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typedef __gnu_debug::_Equal_to<_Base_const_iterator> _Equal; |
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|
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template<typename _ItT, typename _SeqT, typename _CatT> |
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friend class ::__gnu_debug::_Safe_iterator; |
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|
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// Reference wrapper for base class. Disambiguates deque(const _Base&) |
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// from copy constructor by requiring a user-defined conversion. |
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// See PR libstdc++/90102. |
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struct _Base_ref |
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{ |
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_Base_ref(const _Base& __r) : _M_ref(__r) { } |
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|
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const _Base& _M_ref; |
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}; |
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|
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public: |
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typedef typename _Base::reference reference; |
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typedef typename _Base::const_reference const_reference; |
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|
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typedef __gnu_debug::_Safe_iterator<_Base_iterator, deque> |
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iterator; |
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typedef __gnu_debug::_Safe_iterator<_Base_const_iterator, deque> |
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const_iterator; |
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|
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typedef typename _Base::size_type size_type; |
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typedef typename _Base::difference_type difference_type; |
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|
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typedef _Tp value_type; |
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typedef _Allocator allocator_type; |
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typedef typename _Base::pointer pointer; |
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typedef typename _Base::const_pointer const_pointer; |
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typedef std::reverse_iterator<iterator> reverse_iterator; |
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator; |
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|
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// 23.2.1.1 construct/copy/destroy: |
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|
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#if __cplusplus < 201103L |
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deque() |
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: _Base() { } |
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|
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deque(const deque& __x) |
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: _Base(__x) { } |
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|
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~deque() { } |
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#else |
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deque() = default; |
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deque(const deque&) = default; |
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deque(deque&&) = default; |
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|
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deque(const deque& __d, const _Allocator& __a) |
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: _Base(__d, __a) { } |
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|
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deque(deque&& __d, const _Allocator& __a) |
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: _Safe(std::move(__d)), _Base(std::move(__d), __a) { } |
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|
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deque(initializer_list<value_type> __l, |
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const allocator_type& __a = allocator_type()) |
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: _Base(__l, __a) { } |
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|
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~deque() = default; |
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#endif |
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|
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explicit |
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deque(const _Allocator& __a) |
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: _Base(__a) { } |
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|
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#if __cplusplus >= 201103L |
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explicit |
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deque(size_type __n, const _Allocator& __a = _Allocator()) |
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: _Base(__n, __a) { } |
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|
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deque(size_type __n, const _Tp& __value, |
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const _Allocator& __a = _Allocator()) |
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: _Base(__n, __value, __a) { } |
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#else |
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explicit |
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deque(size_type __n, const _Tp& __value = _Tp(), |
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const _Allocator& __a = _Allocator()) |
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: _Base(__n, __value, __a) { } |
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#endif |
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|
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#if __cplusplus >= 201103L |
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template<class _InputIterator, |
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typename = std::_RequireInputIter<_InputIterator>> |
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#else |
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template<class _InputIterator> |
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#endif |
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deque(_InputIterator __first, _InputIterator __last, |
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const _Allocator& __a = _Allocator()) |
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: _Base(__gnu_debug::__base( |
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__glibcxx_check_valid_constructor_range(__first, __last)), |
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__gnu_debug::__base(__last), __a) |
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{ } |
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|
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deque(_Base_ref __x) |
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: _Base(__x._M_ref) { } |
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|
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#if __cplusplus < 201103L |
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deque& |
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operator=(const deque& __x) |
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{ |
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this->_M_safe() = __x; |
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_M_base() = __x; |
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return *this; |
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} |
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#else |
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deque& |
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operator=(const deque&) = default; |
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|
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deque& |
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operator=(deque&&) = default; |
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|
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deque& |
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operator=(initializer_list<value_type> __l) |
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{ |
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_M_base() = __l; |
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this->_M_invalidate_all(); |
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return *this; |
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} |
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#endif |
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|
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#if __cplusplus >= 201103L |
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template<class _InputIterator, |
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typename = std::_RequireInputIter<_InputIterator>> |
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#else |
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template<class _InputIterator> |
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#endif |
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void |
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assign(_InputIterator __first, _InputIterator __last) |
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{ |
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typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist; |
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__glibcxx_check_valid_range2(__first, __last, __dist); |
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if (__dist.second >= __gnu_debug::__dp_sign) |
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_Base::assign(__gnu_debug::__unsafe(__first), |
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__gnu_debug::__unsafe(__last)); |
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else |
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_Base::assign(__first, __last); |
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|
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this->_M_invalidate_all(); |
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} |
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|
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void |
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assign(size_type __n, const _Tp& __t) |
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{ |
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_Base::assign(__n, __t); |
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this->_M_invalidate_all(); |
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} |
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|
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#if __cplusplus >= 201103L |
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void |
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assign(initializer_list<value_type> __l) |
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{ |
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_Base::assign(__l); |
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this->_M_invalidate_all(); |
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} |
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#endif |
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|
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using _Base::get_allocator; |
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|
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// iterators: |
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iterator |
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begin() _GLIBCXX_NOEXCEPT |
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{ return iterator(_Base::begin(), this); } |
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|
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const_iterator |
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begin() const _GLIBCXX_NOEXCEPT |
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{ return const_iterator(_Base::begin(), this); } |
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|
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iterator |
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end() _GLIBCXX_NOEXCEPT |
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{ return iterator(_Base::end(), this); } |
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|
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const_iterator |
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end() const _GLIBCXX_NOEXCEPT |
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{ return const_iterator(_Base::end(), this); } |
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|
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reverse_iterator |
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rbegin() _GLIBCXX_NOEXCEPT |
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{ return reverse_iterator(end()); } |
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|
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const_reverse_iterator |
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rbegin() const _GLIBCXX_NOEXCEPT |
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{ return const_reverse_iterator(end()); } |
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|
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reverse_iterator |
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rend() _GLIBCXX_NOEXCEPT |
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{ return reverse_iterator(begin()); } |
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|
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const_reverse_iterator |
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rend() const _GLIBCXX_NOEXCEPT |
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{ return const_reverse_iterator(begin()); } |
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|
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#if __cplusplus >= 201103L |
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const_iterator |
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cbegin() const noexcept |
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{ return const_iterator(_Base::begin(), this); } |
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|
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const_iterator |
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cend() const noexcept |
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{ return const_iterator(_Base::end(), this); } |
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|
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const_reverse_iterator |
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crbegin() const noexcept |
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{ return const_reverse_iterator(end()); } |
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|
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const_reverse_iterator |
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crend() const noexcept |
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{ return const_reverse_iterator(begin()); } |
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#endif |
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|
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private: |
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void |
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_M_invalidate_after_nth(difference_type __n) |
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{ |
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typedef __gnu_debug::_After_nth_from<_Base_const_iterator> _After_nth; |
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this->_M_invalidate_if(_After_nth(__n, _Base::begin())); |
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} |
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|
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public: |
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// 23.2.1.2 capacity: |
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using _Base::size; |
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using _Base::max_size; |
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|
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#if __cplusplus >= 201103L |
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void |
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resize(size_type __sz) |
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{ |
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bool __invalidate_all = __sz > this->size(); |
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if (__sz < this->size()) |
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this->_M_invalidate_after_nth(__sz); |
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|
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_Base::resize(__sz); |
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|
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if (__invalidate_all) |
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this->_M_invalidate_all(); |
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} |
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|
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void |
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resize(size_type __sz, const _Tp& __c) |
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{ |
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bool __invalidate_all = __sz > this->size(); |
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if (__sz < this->size()) |
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this->_M_invalidate_after_nth(__sz); |
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|
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_Base::resize(__sz, __c); |
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|
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if (__invalidate_all) |
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this->_M_invalidate_all(); |
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} |
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#else |
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void |
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resize(size_type __sz, _Tp __c = _Tp()) |
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{ |
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bool __invalidate_all = __sz > this->size(); |
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if (__sz < this->size()) |
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this->_M_invalidate_after_nth(__sz); |
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|
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_Base::resize(__sz, __c); |
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|
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if (__invalidate_all) |
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this->_M_invalidate_all(); |
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} |
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#endif |
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|
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#if __cplusplus >= 201103L |
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void |
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shrink_to_fit() noexcept |
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{ |
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if (_Base::_M_shrink_to_fit()) |
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this->_M_invalidate_all(); |
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} |
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#endif |
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|
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using _Base::empty; |
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|
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// element access: |
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reference |
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operator[](size_type __n) _GLIBCXX_NOEXCEPT |
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{ |
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__glibcxx_check_subscript(__n); |
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return _M_base()[__n]; |
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} |
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|
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const_reference |
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operator[](size_type __n) const _GLIBCXX_NOEXCEPT |
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{ |
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__glibcxx_check_subscript(__n); |
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return _M_base()[__n]; |
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} |
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|
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using _Base::at; |
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|
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reference |
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front() _GLIBCXX_NOEXCEPT |
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{ |
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__glibcxx_check_nonempty(); |
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return _Base::front(); |
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} |
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|
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const_reference |
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front() const _GLIBCXX_NOEXCEPT |
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{ |
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__glibcxx_check_nonempty(); |
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return _Base::front(); |
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} |
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|
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reference |
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back() _GLIBCXX_NOEXCEPT |
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{ |
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__glibcxx_check_nonempty(); |
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return _Base::back(); |
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} |
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|
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const_reference |
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back() const _GLIBCXX_NOEXCEPT |
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{ |
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__glibcxx_check_nonempty(); |
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return _Base::back(); |
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} |
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|
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// 23.2.1.3 modifiers: |
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void |
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push_front(const _Tp& __x) |
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{ |
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_Base::push_front(__x); |
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this->_M_invalidate_all(); |
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} |
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|
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void |
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push_back(const _Tp& __x) |
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{ |
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_Base::push_back(__x); |
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this->_M_invalidate_all(); |
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} |
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|
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#if __cplusplus >= 201103L |
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void |
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push_front(_Tp&& __x) |
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{ emplace_front(std::move(__x)); } |
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|
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void |
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push_back(_Tp&& __x) |
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{ emplace_back(std::move(__x)); } |
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|
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template<typename... _Args> |
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#if __cplusplus > 201402L |
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reference |
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#else |
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void |
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#endif |
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emplace_front(_Args&&... __args) |
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{ |
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_Base::emplace_front(std::forward<_Args>(__args)...); |
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this->_M_invalidate_all(); |
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#if __cplusplus > 201402L |
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return front(); |
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#endif |
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} |
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|
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template<typename... _Args> |
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#if __cplusplus > 201402L |
| 423 |
reference |
| 424 |
#else |
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void |
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#endif |
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emplace_back(_Args&&... __args) |
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{ |
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_Base::emplace_back(std::forward<_Args>(__args)...); |
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this->_M_invalidate_all(); |
| 431 |
#if __cplusplus > 201402L |
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return back(); |
| 433 |
#endif |
| 434 |
} |
| 435 |
|
| 436 |
template<typename... _Args> |
| 437 |
iterator |
| 438 |
emplace(const_iterator __position, _Args&&... __args) |
| 439 |
{ |
| 440 |
__glibcxx_check_insert(__position); |
| 441 |
_Base_iterator __res = _Base::emplace(__position.base(), |
| 442 |
std::forward<_Args>(__args)...); |
| 443 |
this->_M_invalidate_all(); |
| 444 |
return iterator(__res, this); |
| 445 |
} |
| 446 |
#endif |
| 447 |
|
| 448 |
iterator |
| 449 |
#if __cplusplus >= 201103L |
| 450 |
insert(const_iterator __position, const _Tp& __x) |
| 451 |
#else |
| 452 |
insert(iterator __position, const _Tp& __x) |
| 453 |
#endif |
| 454 |
{ |
| 455 |
__glibcxx_check_insert(__position); |
| 456 |
_Base_iterator __res = _Base::insert(__position.base(), __x); |
| 457 |
this->_M_invalidate_all(); |
| 458 |
return iterator(__res, this); |
| 459 |
} |
| 460 |
|
| 461 |
#if __cplusplus >= 201103L |
| 462 |
iterator |
| 463 |
insert(const_iterator __position, _Tp&& __x) |
| 464 |
{ return emplace(__position, std::move(__x)); } |
| 465 |
|
| 466 |
iterator |
| 467 |
insert(const_iterator __position, initializer_list<value_type> __l) |
| 468 |
{ |
| 469 |
__glibcxx_check_insert(__position); |
| 470 |
_Base_iterator __res = _Base::insert(__position.base(), __l); |
| 471 |
this->_M_invalidate_all(); |
| 472 |
return iterator(__res, this); |
| 473 |
} |
| 474 |
#endif |
| 475 |
|
| 476 |
#if __cplusplus >= 201103L |
| 477 |
iterator |
| 478 |
insert(const_iterator __position, size_type __n, const _Tp& __x) |
| 479 |
{ |
| 480 |
__glibcxx_check_insert(__position); |
| 481 |
_Base_iterator __res = _Base::insert(__position.base(), __n, __x); |
| 482 |
this->_M_invalidate_all(); |
| 483 |
return iterator(__res, this); |
| 484 |
} |
| 485 |
#else |
| 486 |
void |
| 487 |
insert(iterator __position, size_type __n, const _Tp& __x) |
| 488 |
{ |
| 489 |
__glibcxx_check_insert(__position); |
| 490 |
_Base::insert(__position.base(), __n, __x); |
| 491 |
this->_M_invalidate_all(); |
| 492 |
} |
| 493 |
#endif |
| 494 |
|
| 495 |
#if __cplusplus >= 201103L |
| 496 |
template<class _InputIterator, |
| 497 |
typename = std::_RequireInputIter<_InputIterator>> |
| 498 |
iterator |
| 499 |
insert(const_iterator __position, |
| 500 |
_InputIterator __first, _InputIterator __last) |
| 501 |
{ |
| 502 |
typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist; |
| 503 |
__glibcxx_check_insert_range(__position, __first, __last, __dist); |
| 504 |
_Base_iterator __res; |
| 505 |
if (__dist.second >= __gnu_debug::__dp_sign) |
| 506 |
__res = _Base::insert(__position.base(), |
| 507 |
__gnu_debug::__unsafe(__first), |
| 508 |
__gnu_debug::__unsafe(__last)); |
| 509 |
else |
| 510 |
__res = _Base::insert(__position.base(), __first, __last); |
| 511 |
|
| 512 |
this->_M_invalidate_all(); |
| 513 |
return iterator(__res, this); |
| 514 |
} |
| 515 |
#else |
| 516 |
template<class _InputIterator> |
| 517 |
void |
| 518 |
insert(iterator __position, |
| 519 |
_InputIterator __first, _InputIterator __last) |
| 520 |
{ |
| 521 |
typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist; |
| 522 |
__glibcxx_check_insert_range(__position, __first, __last, __dist); |
| 523 |
|
| 524 |
if (__dist.second >= __gnu_debug::__dp_sign) |
| 525 |
_Base::insert(__position.base(), |
| 526 |
__gnu_debug::__unsafe(__first), |
| 527 |
__gnu_debug::__unsafe(__last)); |
| 528 |
else |
| 529 |
_Base::insert(__position.base(), __first, __last); |
| 530 |
|
| 531 |
this->_M_invalidate_all(); |
| 532 |
} |
| 533 |
#endif |
| 534 |
|
| 535 |
void |
| 536 |
pop_front() _GLIBCXX_NOEXCEPT |
| 537 |
{ |
| 538 |
__glibcxx_check_nonempty(); |
| 539 |
this->_M_invalidate_if(_Equal(_Base::begin())); |
| 540 |
_Base::pop_front(); |
| 541 |
} |
| 542 |
|
| 543 |
void |
| 544 |
pop_back() _GLIBCXX_NOEXCEPT |
| 545 |
{ |
| 546 |
__glibcxx_check_nonempty(); |
| 547 |
this->_M_invalidate_if(_Equal(--_Base::end())); |
| 548 |
_Base::pop_back(); |
| 549 |
} |
| 550 |
|
| 551 |
iterator |
| 552 |
#if __cplusplus >= 201103L |
| 553 |
erase(const_iterator __position) |
| 554 |
#else |
| 555 |
erase(iterator __position) |
| 556 |
#endif |
| 557 |
{ |
| 558 |
__glibcxx_check_erase(__position); |
| 559 |
#if __cplusplus >= 201103L |
| 560 |
_Base_const_iterator __victim = __position.base(); |
| 561 |
#else |
| 562 |
_Base_iterator __victim = __position.base(); |
| 563 |
#endif |
| 564 |
if (__victim == _Base::begin() || __victim == _Base::end() - 1) |
| 565 |
{ |
| 566 |
this->_M_invalidate_if(_Equal(__victim)); |
| 567 |
return iterator(_Base::erase(__victim), this); |
| 568 |
} |
| 569 |
else |
| 570 |
{ |
| 571 |
_Base_iterator __res = _Base::erase(__victim); |
| 572 |
this->_M_invalidate_all(); |
| 573 |
return iterator(__res, this); |
| 574 |
} |
| 575 |
} |
| 576 |
|
| 577 |
iterator |
| 578 |
#if __cplusplus >= 201103L |
| 579 |
erase(const_iterator __first, const_iterator __last) |
| 580 |
#else |
| 581 |
erase(iterator __first, iterator __last) |
| 582 |
#endif |
| 583 |
{ |
| 584 |
// _GLIBCXX_RESOLVE_LIB_DEFECTS |
| 585 |
// 151. can't currently clear() empty container |
| 586 |
__glibcxx_check_erase_range(__first, __last); |
| 587 |
|
| 588 |
if (__first.base() == __last.base()) |
| 589 |
#if __cplusplus >= 201103L |
| 590 |
return iterator(__first.base()._M_const_cast(), this); |
| 591 |
#else |
| 592 |
return __first; |
| 593 |
#endif |
| 594 |
else if (__first.base() == _Base::begin() |
| 595 |
|| __last.base() == _Base::end()) |
| 596 |
{ |
| 597 |
this->_M_detach_singular(); |
| 598 |
for (_Base_const_iterator __position = __first.base(); |
| 599 |
__position != __last.base(); ++__position) |
| 600 |
{ |
| 601 |
this->_M_invalidate_if(_Equal(__position)); |
| 602 |
} |
| 603 |
__try |
| 604 |
{ |
| 605 |
return iterator(_Base::erase(__first.base(), __last.base()), |
| 606 |
this); |
| 607 |
} |
| 608 |
__catch(...) |
| 609 |
{ |
| 610 |
this->_M_revalidate_singular(); |
| 611 |
__throw_exception_again; |
| 612 |
} |
| 613 |
} |
| 614 |
else |
| 615 |
{ |
| 616 |
_Base_iterator __res = _Base::erase(__first.base(), |
| 617 |
__last.base()); |
| 618 |
this->_M_invalidate_all(); |
| 619 |
return iterator(__res, this); |
| 620 |
} |
| 621 |
} |
| 622 |
|
| 623 |
void |
| 624 |
swap(deque& __x) |
| 625 |
_GLIBCXX_NOEXCEPT_IF( noexcept(declval<_Base&>().swap(__x)) ) |
| 626 |
{ |
| 627 |
_Safe::_M_swap(__x); |
| 628 |
_Base::swap(__x); |
| 629 |
} |
| 630 |
|
| 631 |
void |
| 632 |
clear() _GLIBCXX_NOEXCEPT |
| 633 |
{ |
| 634 |
_Base::clear(); |
| 635 |
this->_M_invalidate_all(); |
| 636 |
} |
| 637 |
|
| 638 |
_Base& |
| 639 |
_M_base() _GLIBCXX_NOEXCEPT { return *this; } |
| 640 |
|
| 641 |
const _Base& |
| 642 |
_M_base() const _GLIBCXX_NOEXCEPT { return *this; } |
| 643 |
}; |
| 644 |
|
| 645 |
#if __cpp_deduction_guides >= 201606 |
| 646 |
template<typename _InputIterator, typename _ValT |
| 647 |
= typename iterator_traits<_InputIterator>::value_type, |
| 648 |
typename _Allocator = allocator<_ValT>, |
| 649 |
typename = _RequireInputIter<_InputIterator>, |
| 650 |
typename = _RequireAllocator<_Allocator>> |
| 651 |
deque(_InputIterator, _InputIterator, _Allocator = _Allocator()) |
| 652 |
-> deque<_ValT, _Allocator>; |
| 653 |
#endif |
| 654 |
|
| 655 |
template<typename _Tp, typename _Alloc> |
| 656 |
inline bool |
| 657 |
operator==(const deque<_Tp, _Alloc>& __lhs, |
| 658 |
const deque<_Tp, _Alloc>& __rhs) |
| 659 |
{ return __lhs._M_base() == __rhs._M_base(); } |
| 660 |
|
| 661 |
#if __cpp_lib_three_way_comparison |
| 662 |
template<typename _Tp, typename _Alloc> |
| 663 |
constexpr __detail::__synth3way_t<_Tp> |
| 664 |
operator<=>(const deque<_Tp, _Alloc>& __x, const deque<_Tp, _Alloc>& __y) |
| 665 |
{ return __x._M_base() <=> __y._M_base(); } |
| 666 |
#else |
| 667 |
template<typename _Tp, typename _Alloc> |
| 668 |
inline bool |
| 669 |
operator!=(const deque<_Tp, _Alloc>& __lhs, |
| 670 |
const deque<_Tp, _Alloc>& __rhs) |
| 671 |
{ return __lhs._M_base() != __rhs._M_base(); } |
| 672 |
|
| 673 |
template<typename _Tp, typename _Alloc> |
| 674 |
inline bool |
| 675 |
operator<(const deque<_Tp, _Alloc>& __lhs, |
| 676 |
const deque<_Tp, _Alloc>& __rhs) |
| 677 |
{ return __lhs._M_base() < __rhs._M_base(); } |
| 678 |
|
| 679 |
template<typename _Tp, typename _Alloc> |
| 680 |
inline bool |
| 681 |
operator<=(const deque<_Tp, _Alloc>& __lhs, |
| 682 |
const deque<_Tp, _Alloc>& __rhs) |
| 683 |
{ return __lhs._M_base() <= __rhs._M_base(); } |
| 684 |
|
| 685 |
template<typename _Tp, typename _Alloc> |
| 686 |
inline bool |
| 687 |
operator>=(const deque<_Tp, _Alloc>& __lhs, |
| 688 |
const deque<_Tp, _Alloc>& __rhs) |
| 689 |
{ return __lhs._M_base() >= __rhs._M_base(); } |
| 690 |
|
| 691 |
template<typename _Tp, typename _Alloc> |
| 692 |
inline bool |
| 693 |
operator>(const deque<_Tp, _Alloc>& __lhs, |
| 694 |
const deque<_Tp, _Alloc>& __rhs) |
| 695 |
{ return __lhs._M_base() > __rhs._M_base(); } |
| 696 |
#endif // three-way comparison |
| 697 |
|
| 698 |
template<typename _Tp, typename _Alloc> |
| 699 |
inline void |
| 700 |
swap(deque<_Tp, _Alloc>& __lhs, deque<_Tp, _Alloc>& __rhs) |
| 701 |
_GLIBCXX_NOEXCEPT_IF(noexcept(__lhs.swap(__rhs))) |
| 702 |
{ __lhs.swap(__rhs); } |
| 703 |
|
| 704 |
} // namespace __debug |
| 705 |
} // namespace std |
| 706 |
|
| 707 |
#endif |
