409 lines
12 KiB
C++
409 lines
12 KiB
C++
// Profiling multimap implementation -*- C++ -*-
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// Copyright (C) 2009-2013 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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// 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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// 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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// 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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/** @file profile/multimap.h
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* This file is a GNU profile extension to the Standard C++ Library.
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*/
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#ifndef _GLIBCXX_PROFILE_MULTIMAP_H
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#define _GLIBCXX_PROFILE_MULTIMAP_H 1
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#include <utility>
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namespace std _GLIBCXX_VISIBILITY(default)
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{
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namespace __profile
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{
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/// Class std::multimap wrapper with performance instrumentation.
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template<typename _Key, typename _Tp, typename _Compare = std::less<_Key>,
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typename _Allocator = std::allocator<std::pair<const _Key, _Tp> > >
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class multimap
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: public _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator>
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{
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typedef _GLIBCXX_STD_C::multimap<_Key, _Tp, _Compare, _Allocator> _Base;
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public:
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// types:
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typedef _Key key_type;
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typedef _Tp mapped_type;
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typedef std::pair<const _Key, _Tp> value_type;
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typedef _Compare key_compare;
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typedef _Allocator allocator_type;
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typedef typename _Base::reference reference;
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typedef typename _Base::const_reference const_reference;
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typedef typename _Base::iterator iterator;
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typedef typename _Base::const_iterator const_iterator;
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typedef typename _Base::reverse_iterator reverse_iterator;
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typedef typename _Base::const_reverse_iterator const_reverse_iterator;
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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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typedef typename _Base::pointer pointer;
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typedef typename _Base::const_pointer const_pointer;
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// 23.3.1.1 construct/copy/destroy:
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explicit multimap(const _Compare& __comp = _Compare(),
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const _Allocator& __a = _Allocator())
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: _Base(__comp, __a) { }
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#if __cplusplus >= 201103L
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template<typename _InputIterator,
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typename = std::_RequireInputIter<_InputIterator>>
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#else
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template<typename _InputIterator>
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#endif
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multimap(_InputIterator __first, _InputIterator __last,
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const _Compare& __comp = _Compare(),
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const _Allocator& __a = _Allocator())
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: _Base(__first, __last, __comp, __a) { }
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multimap(const multimap& __x)
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: _Base(__x) { }
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multimap(const _Base& __x)
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: _Base(__x) { }
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#if __cplusplus >= 201103L
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multimap(multimap&& __x)
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noexcept(is_nothrow_copy_constructible<_Compare>::value)
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: _Base(std::move(__x))
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{ }
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multimap(initializer_list<value_type> __l,
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const _Compare& __c = _Compare(),
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const allocator_type& __a = allocator_type())
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: _Base(__l, __c, __a) { }
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#endif
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~multimap() _GLIBCXX_NOEXCEPT { }
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multimap&
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operator=(const multimap& __x)
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{
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*static_cast<_Base*>(this) = __x;
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return *this;
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}
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#if __cplusplus >= 201103L
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multimap&
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operator=(multimap&& __x)
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{
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// NB: DR 1204.
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// NB: DR 675.
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this->clear();
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this->swap(__x);
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return *this;
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}
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multimap&
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operator=(initializer_list<value_type> __l)
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{
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this->clear();
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this->insert(__l);
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return *this;
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}
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#endif
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using _Base::get_allocator;
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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()); }
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const_iterator
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begin() const _GLIBCXX_NOEXCEPT
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{ return const_iterator(_Base::begin()); }
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iterator
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end() _GLIBCXX_NOEXCEPT
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{ return iterator(_Base::end()); }
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const_iterator
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end() const _GLIBCXX_NOEXCEPT
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{ return const_iterator(_Base::end()); }
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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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const_reverse_iterator
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rbegin() const _GLIBCXX_NOEXCEPT
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{ return const_reverse_iterator(end()); }
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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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const_reverse_iterator
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rend() const _GLIBCXX_NOEXCEPT
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{ return const_reverse_iterator(begin()); }
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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()); }
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const_iterator
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cend() const noexcept
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{ return const_iterator(_Base::end()); }
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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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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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// capacity:
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using _Base::empty;
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using _Base::size;
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using _Base::max_size;
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// modifiers:
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#if __cplusplus >= 201103L
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template<typename... _Args>
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iterator
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emplace(_Args&&... __args)
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{
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return iterator(_Base::emplace(std::forward<_Args>(__args)...));
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}
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template<typename... _Args>
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iterator
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emplace_hint(const_iterator __pos, _Args&&... __args)
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{
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return iterator(_Base::emplace_hint(__pos,
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std::forward<_Args>(__args)...));
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}
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#endif
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iterator
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insert(const value_type& __x)
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{ return iterator(_Base::insert(__x)); }
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#if __cplusplus >= 201103L
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template<typename _Pair, typename = typename
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std::enable_if<std::is_constructible<value_type,
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_Pair&&>::value>::type>
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iterator
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insert(_Pair&& __x)
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{ return iterator(_Base::insert(std::forward<_Pair>(__x))); }
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#endif
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#if __cplusplus >= 201103L
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void
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insert(std::initializer_list<value_type> __list)
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{ _Base::insert(__list); }
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#endif
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iterator
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#if __cplusplus >= 201103L
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insert(const_iterator __position, const value_type& __x)
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#else
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insert(iterator __position, const value_type& __x)
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#endif
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{ return iterator(_Base::insert(__position, __x)); }
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#if __cplusplus >= 201103L
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template<typename _Pair, typename = typename
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std::enable_if<std::is_constructible<value_type,
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_Pair&&>::value>::type>
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iterator
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insert(const_iterator __position, _Pair&& __x)
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{ return iterator(_Base::insert(__position,
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std::forward<_Pair>(__x))); }
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#endif
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#if __cplusplus >= 201103L
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template<typename _InputIterator,
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typename = std::_RequireInputIter<_InputIterator>>
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#else
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template<typename _InputIterator>
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#endif
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void
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insert(_InputIterator __first, _InputIterator __last)
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{ _Base::insert(__first, __last); }
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#if __cplusplus >= 201103L
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iterator
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erase(const_iterator __position)
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{ return iterator(_Base::erase(__position)); }
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iterator
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erase(iterator __position)
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{ return iterator(_Base::erase(__position)); }
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#else
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void
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erase(iterator __position)
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{ _Base::erase(__position); }
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#endif
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size_type
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erase(const key_type& __x)
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{
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std::pair<iterator, iterator> __victims = this->equal_range(__x);
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size_type __count = 0;
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while (__victims.first != __victims.second)
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{
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iterator __victim = __victims.first++;
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_Base::erase(__victim);
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++__count;
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}
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return __count;
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}
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#if __cplusplus >= 201103L
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iterator
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erase(const_iterator __first, const_iterator __last)
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{ return iterator(_Base::erase(__first, __last)); }
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#else
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void
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erase(iterator __first, iterator __last)
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{ _Base::erase(__first, __last); }
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#endif
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void
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swap(multimap& __x)
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{ _Base::swap(__x); }
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void
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clear() _GLIBCXX_NOEXCEPT
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{ this->erase(begin(), end()); }
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// observers:
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using _Base::key_comp;
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using _Base::value_comp;
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// 23.3.1.3 multimap operations:
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iterator
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find(const key_type& __x)
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{ return iterator(_Base::find(__x)); }
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const_iterator
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find(const key_type& __x) const
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{ return const_iterator(_Base::find(__x)); }
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using _Base::count;
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iterator
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lower_bound(const key_type& __x)
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{ return iterator(_Base::lower_bound(__x)); }
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const_iterator
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lower_bound(const key_type& __x) const
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{ return const_iterator(_Base::lower_bound(__x)); }
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iterator
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upper_bound(const key_type& __x)
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{ return iterator(_Base::upper_bound(__x)); }
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const_iterator
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upper_bound(const key_type& __x) const
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{ return const_iterator(_Base::upper_bound(__x)); }
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std::pair<iterator,iterator>
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equal_range(const key_type& __x)
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{
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typedef typename _Base::iterator _Base_iterator;
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std::pair<_Base_iterator, _Base_iterator> __res =
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_Base::equal_range(__x);
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return std::make_pair(iterator(__res.first),
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iterator(__res.second));
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}
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std::pair<const_iterator,const_iterator>
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equal_range(const key_type& __x) const
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{
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typedef typename _Base::const_iterator _Base_const_iterator;
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std::pair<_Base_const_iterator, _Base_const_iterator> __res =
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_Base::equal_range(__x);
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return std::make_pair(const_iterator(__res.first),
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const_iterator(__res.second));
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}
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_Base&
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_M_base() _GLIBCXX_NOEXCEPT { return *this; }
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const _Base&
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_M_base() const _GLIBCXX_NOEXCEPT { return *this; }
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};
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator==(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{ return __lhs._M_base() == __rhs._M_base(); }
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator!=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{ return __lhs._M_base() != __rhs._M_base(); }
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator<(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{ return __lhs._M_base() < __rhs._M_base(); }
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator<=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{ return __lhs._M_base() <= __rhs._M_base(); }
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator>=(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{ return __lhs._M_base() >= __rhs._M_base(); }
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline bool
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operator>(const multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
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const multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{ return __lhs._M_base() > __rhs._M_base(); }
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template<typename _Key, typename _Tp,
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typename _Compare, typename _Allocator>
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inline void
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swap(multimap<_Key, _Tp, _Compare, _Allocator>& __lhs,
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multimap<_Key, _Tp, _Compare, _Allocator>& __rhs)
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{ __lhs.swap(__rhs); }
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} // namespace __profile
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} // namespace std
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#endif
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