7ab9c2430f
Some more C++20 changes from P1614R2, "The Mothership has Landed". * include/bits/unordered_map.h (unordered_map, unordered_multimap): Remove redundant operator!= for C++20. * include/bits/unordered_set.h (unordered_set, unordered_multiset): Likewise. * include/debug/unordered_map (unordered_map, unordered_multimap): Likewise. * include/debug/unordered_set (unordered_set, unordered_multiset): Likewise.
1366 lines
40 KiB
C++
1366 lines
40 KiB
C++
// Debugging unordered_map/unordered_multimap implementation -*- C++ -*-
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// Copyright (C) 2003-2020 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 debug/unordered_map
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* This file is a GNU debug extension to the Standard C++ Library.
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*/
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#ifndef _GLIBCXX_DEBUG_UNORDERED_MAP
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#define _GLIBCXX_DEBUG_UNORDERED_MAP 1
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#pragma GCC system_header
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#if __cplusplus < 201103L
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# include <bits/c++0x_warning.h>
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#else
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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 _Key, typename _Tp, typename _Hash, typename _Pred,
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typename _Allocator>
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class unordered_map;
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template<typename _Key, typename _Tp, typename _Hash, typename _Pred,
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typename _Allocator>
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class unordered_multimap;
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} } // namespace std::__debug
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# include <unordered_map>
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#include <debug/safe_unordered_container.h>
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#include <debug/safe_container.h>
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#include <debug/safe_iterator.h>
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#include <debug/safe_local_iterator.h>
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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::unordered_map with safety/checking/debug instrumentation.
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template<typename _Key, typename _Tp,
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typename _Hash = std::hash<_Key>,
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typename _Pred = std::equal_to<_Key>,
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typename _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
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class unordered_map
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: public __gnu_debug::_Safe_container<
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unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>, _Alloc,
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__gnu_debug::_Safe_unordered_container>,
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public _GLIBCXX_STD_C::unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>
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{
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typedef _GLIBCXX_STD_C::unordered_map<_Key, _Tp, _Hash,
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_Pred, _Alloc> _Base;
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typedef __gnu_debug::_Safe_container<unordered_map,
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_Alloc, __gnu_debug::_Safe_unordered_container> _Safe;
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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 typename _Base::const_local_iterator
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_Base_const_local_iterator;
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typedef typename _Base::local_iterator _Base_local_iterator;
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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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template<typename _ItT, typename _SeqT>
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friend class ::__gnu_debug::_Safe_local_iterator;
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public:
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typedef typename _Base::size_type size_type;
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typedef typename _Base::hasher hasher;
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typedef typename _Base::key_equal key_equal;
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typedef typename _Base::allocator_type allocator_type;
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typedef typename _Base::key_type key_type;
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typedef typename _Base::value_type value_type;
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typedef __gnu_debug::_Safe_iterator<
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_Base_iterator, unordered_map> iterator;
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typedef __gnu_debug::_Safe_iterator<
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_Base_const_iterator, unordered_map> const_iterator;
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typedef __gnu_debug::_Safe_local_iterator<
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_Base_local_iterator, unordered_map> local_iterator;
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typedef __gnu_debug::_Safe_local_iterator<
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_Base_const_local_iterator, unordered_map> const_local_iterator;
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unordered_map() = default;
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explicit
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unordered_map(size_type __n,
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const hasher& __hf = hasher(),
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const key_equal& __eql = key_equal(),
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const allocator_type& __a = allocator_type())
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: _Base(__n, __hf, __eql, __a) { }
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template<typename _InputIterator>
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unordered_map(_InputIterator __first, _InputIterator __last,
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size_type __n = 0,
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const hasher& __hf = hasher(),
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const key_equal& __eql = key_equal(),
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const allocator_type& __a = allocator_type())
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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), __n,
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__hf, __eql, __a) { }
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unordered_map(const unordered_map&) = default;
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unordered_map(const _Base& __x)
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: _Base(__x) { }
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unordered_map(unordered_map&&) = default;
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explicit
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unordered_map(const allocator_type& __a)
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: _Base(__a) { }
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unordered_map(const unordered_map& __umap,
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const allocator_type& __a)
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: _Base(__umap, __a) { }
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unordered_map(unordered_map&& __umap,
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const allocator_type& __a)
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: _Safe(std::move(__umap._M_safe()), __a),
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_Base(std::move(__umap._M_base()), __a) { }
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unordered_map(initializer_list<value_type> __l,
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size_type __n = 0,
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const hasher& __hf = hasher(),
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const key_equal& __eql = key_equal(),
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const allocator_type& __a = allocator_type())
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: _Base(__l, __n, __hf, __eql, __a) { }
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unordered_map(size_type __n, const allocator_type& __a)
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: unordered_map(__n, hasher(), key_equal(), __a)
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{ }
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unordered_map(size_type __n,
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const hasher& __hf,
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const allocator_type& __a)
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: unordered_map(__n, __hf, key_equal(), __a)
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{ }
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template<typename _InputIterator>
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unordered_map(_InputIterator __first, _InputIterator __last,
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size_type __n,
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const allocator_type& __a)
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: unordered_map(__first, __last, __n, hasher(), key_equal(), __a)
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{ }
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template<typename _InputIterator>
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unordered_map(_InputIterator __first, _InputIterator __last,
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size_type __n,
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const hasher& __hf,
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const allocator_type& __a)
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: unordered_map(__first, __last, __n, __hf, key_equal(), __a)
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{ }
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unordered_map(initializer_list<value_type> __l,
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size_type __n,
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const allocator_type& __a)
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: unordered_map(__l, __n, hasher(), key_equal(), __a)
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{ }
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unordered_map(initializer_list<value_type> __l,
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size_type __n,
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const hasher& __hf,
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const allocator_type& __a)
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: unordered_map(__l, __n, __hf, key_equal(), __a)
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{ }
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~unordered_map() = default;
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unordered_map&
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operator=(const unordered_map&) = default;
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unordered_map&
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operator=(unordered_map&&) = default;
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unordered_map&
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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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void
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swap(unordered_map& __x)
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noexcept( noexcept(declval<_Base&>().swap(__x)) )
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{
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_Safe::_M_swap(__x);
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_Base::swap(__x);
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}
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void
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clear() noexcept
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{
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_Base::clear();
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this->_M_invalidate_all();
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}
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iterator
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begin() noexcept
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{ return { _Base::begin(), this }; }
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const_iterator
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begin() const noexcept
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{ return { _Base::begin(), this }; }
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iterator
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end() noexcept
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{ return { _Base::end(), this }; }
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const_iterator
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end() const noexcept
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{ return { _Base::end(), this }; }
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const_iterator
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cbegin() const noexcept
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{ return { _Base::cbegin(), this }; }
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const_iterator
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cend() const noexcept
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{ return { _Base::cend(), this }; }
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// local versions
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local_iterator
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begin(size_type __b)
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{
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__glibcxx_check_bucket_index(__b);
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return { _Base::begin(__b), this };
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}
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local_iterator
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end(size_type __b)
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{
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__glibcxx_check_bucket_index(__b);
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return { _Base::end(__b), this };
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}
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const_local_iterator
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begin(size_type __b) const
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{
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__glibcxx_check_bucket_index(__b);
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return { _Base::begin(__b), this };
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}
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const_local_iterator
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end(size_type __b) const
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{
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__glibcxx_check_bucket_index(__b);
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return { _Base::end(__b), this };
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}
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const_local_iterator
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cbegin(size_type __b) const
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{
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__glibcxx_check_bucket_index(__b);
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return { _Base::cbegin(__b), this };
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}
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const_local_iterator
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cend(size_type __b) const
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{
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__glibcxx_check_bucket_index(__b);
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return { _Base::cend(__b), this };
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}
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size_type
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bucket_size(size_type __b) const
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{
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__glibcxx_check_bucket_index(__b);
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return _Base::bucket_size(__b);
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}
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float
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max_load_factor() const noexcept
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{ return _Base::max_load_factor(); }
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void
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max_load_factor(float __f)
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{
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__glibcxx_check_max_load_factor(__f);
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_Base::max_load_factor(__f);
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}
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template<typename... _Args>
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std::pair<iterator, bool>
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emplace(_Args&&... __args)
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{
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size_type __bucket_count = this->bucket_count();
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auto __res = _Base::emplace(std::forward<_Args>(__args)...);
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_M_check_rehashed(__bucket_count);
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return { { __res.first, this }, __res.second };
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}
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template<typename... _Args>
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iterator
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emplace_hint(const_iterator __hint, _Args&&... __args)
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{
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__glibcxx_check_insert(__hint);
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size_type __bucket_count = this->bucket_count();
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auto __it = _Base::emplace_hint(__hint.base(),
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std::forward<_Args>(__args)...);
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_M_check_rehashed(__bucket_count);
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return { __it, this };
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}
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std::pair<iterator, bool>
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insert(const value_type& __obj)
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{
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size_type __bucket_count = this->bucket_count();
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auto __res = _Base::insert(__obj);
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_M_check_rehashed(__bucket_count);
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return { { __res.first, this }, __res.second };
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}
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 2354. Unnecessary copying when inserting into maps with braced-init
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std::pair<iterator, bool>
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insert(value_type&& __x)
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{
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size_type __bucket_count = this->bucket_count();
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auto __res = _Base::insert(std::move(__x));
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_M_check_rehashed(__bucket_count);
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return { { __res.first, this }, __res.second };
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}
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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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std::pair<iterator, bool>
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insert(_Pair&& __obj)
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{
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size_type __bucket_count = this->bucket_count();
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auto __res = _Base::insert(std::forward<_Pair>(__obj));
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_M_check_rehashed(__bucket_count);
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return { { __res.first, this }, __res.second };
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}
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iterator
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insert(const_iterator __hint, const value_type& __obj)
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{
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__glibcxx_check_insert(__hint);
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size_type __bucket_count = this->bucket_count();
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auto __it = _Base::insert(__hint.base(), __obj);
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_M_check_rehashed(__bucket_count);
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return { __it, this };
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}
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// _GLIBCXX_RESOLVE_LIB_DEFECTS
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// 2354. Unnecessary copying when inserting into maps with braced-init
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iterator
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insert(const_iterator __hint, value_type&& __x)
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{
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__glibcxx_check_insert(__hint);
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size_type __bucket_count = this->bucket_count();
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auto __it = _Base::insert(__hint.base(), std::move(__x));
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_M_check_rehashed(__bucket_count);
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return { __it, this };
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}
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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 __hint, _Pair&& __obj)
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{
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__glibcxx_check_insert(__hint);
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size_type __bucket_count = this->bucket_count();
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auto __it = _Base::insert(__hint.base(), std::forward<_Pair>(__obj));
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_M_check_rehashed(__bucket_count);
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return { __it, this };
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}
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void
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insert(std::initializer_list<value_type> __l)
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{
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size_type __bucket_count = this->bucket_count();
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_Base::insert(__l);
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_M_check_rehashed(__bucket_count);
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}
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template<typename _InputIterator>
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void
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insert(_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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size_type __bucket_count = this->bucket_count();
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if (__dist.second >= __gnu_debug::__dp_sign)
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_Base::insert(__gnu_debug::__unsafe(__first),
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__gnu_debug::__unsafe(__last));
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else
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_Base::insert(__first, __last);
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_M_check_rehashed(__bucket_count);
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}
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#if __cplusplus > 201402L
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template <typename... _Args>
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pair<iterator, bool>
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try_emplace(const key_type& __k, _Args&&... __args)
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{
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auto __res = _Base::try_emplace(__k,
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std::forward<_Args>(__args)...);
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return { { __res.first, this }, __res.second };
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}
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template <typename... _Args>
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pair<iterator, bool>
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try_emplace(key_type&& __k, _Args&&... __args)
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{
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auto __res = _Base::try_emplace(std::move(__k),
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std::forward<_Args>(__args)...);
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return { { __res.first, this }, __res.second };
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}
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template <typename... _Args>
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iterator
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try_emplace(const_iterator __hint, const key_type& __k,
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_Args&&... __args)
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{
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__glibcxx_check_insert(__hint);
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return { _Base::try_emplace(__hint.base(), __k,
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std::forward<_Args>(__args)...),
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this };
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}
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template <typename... _Args>
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iterator
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try_emplace(const_iterator __hint, key_type&& __k, _Args&&... __args)
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{
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__glibcxx_check_insert(__hint);
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return { _Base::try_emplace(__hint.base(), std::move(__k),
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std::forward<_Args>(__args)...),
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this };
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}
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template <typename _Obj>
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pair<iterator, bool>
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insert_or_assign(const key_type& __k, _Obj&& __obj)
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{
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auto __res = _Base::insert_or_assign(__k,
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std::forward<_Obj>(__obj));
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return { { __res.first, this }, __res.second };
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}
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template <typename _Obj>
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pair<iterator, bool>
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insert_or_assign(key_type&& __k, _Obj&& __obj)
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{
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auto __res = _Base::insert_or_assign(std::move(__k),
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std::forward<_Obj>(__obj));
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return { { __res.first, this }, __res.second };
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}
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template <typename _Obj>
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iterator
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insert_or_assign(const_iterator __hint, const key_type& __k,
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_Obj&& __obj)
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{
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__glibcxx_check_insert(__hint);
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return { _Base::insert_or_assign(__hint.base(), __k,
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std::forward<_Obj>(__obj)),
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this };
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}
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template <typename _Obj>
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iterator
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insert_or_assign(const_iterator __hint, key_type&& __k, _Obj&& __obj)
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{
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__glibcxx_check_insert(__hint);
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return { _Base::insert_or_assign(__hint.base(), std::move(__k),
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std::forward<_Obj>(__obj)),
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this };
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}
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#endif // C++17
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#if __cplusplus > 201402L
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using node_type = typename _Base::node_type;
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using insert_return_type = _Node_insert_return<iterator, node_type>;
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node_type
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extract(const_iterator __position)
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{
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__glibcxx_check_erase(__position);
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return _M_extract(__position.base());
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}
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|
|
|
node_type
|
|
extract(const key_type& __key)
|
|
{
|
|
const auto __position = _Base::find(__key);
|
|
if (__position != _Base::end())
|
|
return _M_extract(__position);
|
|
return {};
|
|
}
|
|
|
|
insert_return_type
|
|
insert(node_type&& __nh)
|
|
{
|
|
auto __ret = _Base::insert(std::move(__nh));
|
|
return
|
|
{ { __ret.position, this }, __ret.inserted, std::move(__ret.node) };
|
|
}
|
|
|
|
iterator
|
|
insert(const_iterator __hint, node_type&& __nh)
|
|
{
|
|
__glibcxx_check_insert(__hint);
|
|
return { _Base::insert(__hint.base(), std::move(__nh)), this };
|
|
}
|
|
|
|
using _Base::merge;
|
|
#endif // C++17
|
|
|
|
iterator
|
|
find(const key_type& __key)
|
|
{ return { _Base::find(__key), this }; }
|
|
|
|
const_iterator
|
|
find(const key_type& __key) const
|
|
{ return { _Base::find(__key), this }; }
|
|
|
|
std::pair<iterator, iterator>
|
|
equal_range(const key_type& __key)
|
|
{
|
|
auto __res = _Base::equal_range(__key);
|
|
return { { __res.first, this }, { __res.second, this } };
|
|
}
|
|
|
|
std::pair<const_iterator, const_iterator>
|
|
equal_range(const key_type& __key) const
|
|
{
|
|
auto __res = _Base::equal_range(__key);
|
|
return { { __res.first, this }, { __res.second, this } };
|
|
}
|
|
|
|
size_type
|
|
erase(const key_type& __key)
|
|
{
|
|
size_type __ret(0);
|
|
auto __victim = _Base::find(__key);
|
|
if (__victim != _Base::end())
|
|
{
|
|
_M_erase(__victim);
|
|
__ret = 1;
|
|
}
|
|
return __ret;
|
|
}
|
|
|
|
iterator
|
|
erase(const_iterator __it)
|
|
{
|
|
__glibcxx_check_erase(__it);
|
|
return { _M_erase(__it.base()), this };
|
|
}
|
|
|
|
iterator
|
|
erase(iterator __it)
|
|
{
|
|
__glibcxx_check_erase(__it);
|
|
return { _M_erase(__it.base()), this };
|
|
}
|
|
|
|
iterator
|
|
erase(const_iterator __first, const_iterator __last)
|
|
{
|
|
__glibcxx_check_erase_range(__first, __last);
|
|
for (auto __tmp = __first.base(); __tmp != __last.base(); ++__tmp)
|
|
{
|
|
_GLIBCXX_DEBUG_VERIFY(__tmp != _Base::cend(),
|
|
_M_message(__gnu_debug::__msg_valid_range)
|
|
._M_iterator(__first, "first")
|
|
._M_iterator(__last, "last"));
|
|
_M_invalidate(__tmp);
|
|
}
|
|
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __next = _Base::erase(__first.base(), __last.base());
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __next, this };
|
|
}
|
|
|
|
_Base&
|
|
_M_base() noexcept { return *this; }
|
|
|
|
const _Base&
|
|
_M_base() const noexcept { return *this; }
|
|
|
|
private:
|
|
void
|
|
_M_check_rehashed(size_type __prev_count)
|
|
{
|
|
if (__prev_count != this->bucket_count())
|
|
this->_M_invalidate_all();
|
|
}
|
|
|
|
void
|
|
_M_invalidate(_Base_const_iterator __victim)
|
|
{
|
|
this->_M_invalidate_if(
|
|
[__victim](_Base_const_iterator __it) { return __it == __victim; });
|
|
this->_M_invalidate_local_if(
|
|
[__victim](_Base_const_local_iterator __it)
|
|
{ return __it._M_curr() == __victim._M_cur; });
|
|
}
|
|
|
|
_Base_iterator
|
|
_M_erase(_Base_const_iterator __victim)
|
|
{
|
|
_M_invalidate(__victim);
|
|
size_type __bucket_count = this->bucket_count();
|
|
_Base_iterator __next = _Base::erase(__victim);
|
|
_M_check_rehashed(__bucket_count);
|
|
return __next;
|
|
}
|
|
|
|
#if __cplusplus > 201402L
|
|
node_type
|
|
_M_extract(_Base_const_iterator __victim)
|
|
{
|
|
_M_invalidate(__victim);
|
|
return _Base::extract(__victim);
|
|
}
|
|
#endif
|
|
};
|
|
|
|
#if __cpp_deduction_guides >= 201606
|
|
|
|
template<typename _InputIterator,
|
|
typename _Hash = hash<__iter_key_t<_InputIterator>>,
|
|
typename _Pred = equal_to<__iter_key_t<_InputIterator>>,
|
|
typename _Allocator = allocator<__iter_to_alloc_t<_InputIterator>>,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireNotAllocator<_Pred>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(_InputIterator, _InputIterator,
|
|
typename unordered_map<int, int>::size_type = {},
|
|
_Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator())
|
|
-> unordered_map<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>,
|
|
_Hash, _Pred, _Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash = hash<_Key>,
|
|
typename _Pred = equal_to<_Key>,
|
|
typename _Allocator = allocator<pair<const _Key, _Tp>>,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireNotAllocator<_Pred>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>,
|
|
typename unordered_map<int, int>::size_type = {},
|
|
_Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator())
|
|
-> unordered_map<_Key, _Tp, _Hash, _Pred, _Allocator>;
|
|
|
|
template<typename _InputIterator, typename _Allocator,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(_InputIterator, _InputIterator,
|
|
typename unordered_map<int, int>::size_type, _Allocator)
|
|
-> unordered_map<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>,
|
|
hash<__iter_key_t<_InputIterator>>,
|
|
equal_to<__iter_key_t<_InputIterator>>,
|
|
_Allocator>;
|
|
|
|
template<typename _InputIterator, typename _Allocator,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(_InputIterator, _InputIterator, _Allocator)
|
|
-> unordered_map<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>,
|
|
hash<__iter_key_t<_InputIterator>>,
|
|
equal_to<__iter_key_t<_InputIterator>>,
|
|
_Allocator>;
|
|
|
|
template<typename _InputIterator, typename _Hash, typename _Allocator,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(_InputIterator, _InputIterator,
|
|
typename unordered_map<int, int>::size_type,
|
|
_Hash, _Allocator)
|
|
-> unordered_map<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>, _Hash,
|
|
equal_to<__iter_key_t<_InputIterator>>, _Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Allocator,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>,
|
|
typename unordered_map<int, int>::size_type,
|
|
_Allocator)
|
|
-> unordered_map<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Allocator,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>, _Allocator)
|
|
-> unordered_map<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash, typename _Allocator,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>,
|
|
typename unordered_map<int, int>::size_type,
|
|
_Hash, _Allocator)
|
|
-> unordered_map<_Key, _Tp, _Hash, equal_to<_Key>, _Allocator>;
|
|
|
|
#endif
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash,
|
|
typename _Pred, typename _Alloc>
|
|
inline void
|
|
swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
noexcept(noexcept(__x.swap(__y)))
|
|
{ __x.swap(__y); }
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash,
|
|
typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{ return __x._M_base() == __y._M_base(); }
|
|
|
|
#if __cpp_impl_three_way_comparison < 201907L
|
|
template<typename _Key, typename _Tp, typename _Hash,
|
|
typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{ return !(__x == __y); }
|
|
#endif
|
|
|
|
/// Class std::unordered_multimap with safety/checking/debug instrumentation.
|
|
template<typename _Key, typename _Tp,
|
|
typename _Hash = std::hash<_Key>,
|
|
typename _Pred = std::equal_to<_Key>,
|
|
typename _Alloc = std::allocator<std::pair<const _Key, _Tp> > >
|
|
class unordered_multimap
|
|
: public __gnu_debug::_Safe_container<
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>, _Alloc,
|
|
__gnu_debug::_Safe_unordered_container>,
|
|
public _GLIBCXX_STD_C::unordered_multimap<
|
|
_Key, _Tp, _Hash, _Pred, _Alloc>
|
|
{
|
|
typedef _GLIBCXX_STD_C::unordered_multimap<_Key, _Tp, _Hash,
|
|
_Pred, _Alloc> _Base;
|
|
typedef __gnu_debug::_Safe_container<unordered_multimap,
|
|
_Alloc, __gnu_debug::_Safe_unordered_container> _Safe;
|
|
typedef typename _Base::const_iterator _Base_const_iterator;
|
|
typedef typename _Base::iterator _Base_iterator;
|
|
typedef typename _Base::const_local_iterator _Base_const_local_iterator;
|
|
typedef typename _Base::local_iterator _Base_local_iterator;
|
|
|
|
template<typename _ItT, typename _SeqT, typename _CatT>
|
|
friend class ::__gnu_debug::_Safe_iterator;
|
|
template<typename _ItT, typename _SeqT>
|
|
friend class ::__gnu_debug::_Safe_local_iterator;
|
|
|
|
public:
|
|
typedef typename _Base::size_type size_type;
|
|
typedef typename _Base::hasher hasher;
|
|
typedef typename _Base::key_equal key_equal;
|
|
typedef typename _Base::allocator_type allocator_type;
|
|
|
|
typedef typename _Base::key_type key_type;
|
|
typedef typename _Base::value_type value_type;
|
|
|
|
typedef __gnu_debug::_Safe_iterator<
|
|
_Base_iterator, unordered_multimap> iterator;
|
|
typedef __gnu_debug::_Safe_iterator<
|
|
_Base_const_iterator, unordered_multimap> const_iterator;
|
|
typedef __gnu_debug::_Safe_local_iterator<
|
|
_Base_local_iterator, unordered_multimap> local_iterator;
|
|
typedef __gnu_debug::_Safe_local_iterator<
|
|
_Base_const_local_iterator, unordered_multimap> const_local_iterator;
|
|
|
|
unordered_multimap() = default;
|
|
|
|
explicit
|
|
unordered_multimap(size_type __n,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__n, __hf, __eql, __a) { }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last,
|
|
size_type __n = 0,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__gnu_debug::__base(
|
|
__glibcxx_check_valid_constructor_range(__first, __last)),
|
|
__gnu_debug::__base(__last), __n,
|
|
__hf, __eql, __a) { }
|
|
|
|
unordered_multimap(const unordered_multimap&) = default;
|
|
|
|
unordered_multimap(const _Base& __x)
|
|
: _Base(__x) { }
|
|
|
|
unordered_multimap(unordered_multimap&&) = default;
|
|
|
|
explicit
|
|
unordered_multimap(const allocator_type& __a)
|
|
: _Base(__a) { }
|
|
|
|
unordered_multimap(const unordered_multimap& __umap,
|
|
const allocator_type& __a)
|
|
: _Base(__umap, __a) { }
|
|
|
|
unordered_multimap(unordered_multimap&& __umap,
|
|
const allocator_type& __a)
|
|
: _Safe(std::move(__umap._M_safe()), __a),
|
|
_Base(std::move(__umap._M_base()), __a) { }
|
|
|
|
unordered_multimap(initializer_list<value_type> __l,
|
|
size_type __n = 0,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal(),
|
|
const allocator_type& __a = allocator_type())
|
|
: _Base(__l, __n, __hf, __eql, __a) { }
|
|
|
|
unordered_multimap(size_type __n, const allocator_type& __a)
|
|
: unordered_multimap(__n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_multimap(size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multimap(__n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last,
|
|
size_type __n,
|
|
const allocator_type& __a)
|
|
: unordered_multimap(__first, __last, __n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
template<typename _InputIterator>
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last,
|
|
size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multimap(__first, __last, __n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_multimap(initializer_list<value_type> __l,
|
|
size_type __n,
|
|
const allocator_type& __a)
|
|
: unordered_multimap(__l, __n, hasher(), key_equal(), __a)
|
|
{ }
|
|
|
|
unordered_multimap(initializer_list<value_type> __l,
|
|
size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multimap(__l, __n, __hf, key_equal(), __a)
|
|
{ }
|
|
|
|
~unordered_multimap() = default;
|
|
|
|
unordered_multimap&
|
|
operator=(const unordered_multimap&) = default;
|
|
|
|
unordered_multimap&
|
|
operator=(unordered_multimap&&) = default;
|
|
|
|
unordered_multimap&
|
|
operator=(initializer_list<value_type> __l)
|
|
{
|
|
this->_M_base() = __l;
|
|
this->_M_invalidate_all();
|
|
return *this;
|
|
}
|
|
|
|
void
|
|
swap(unordered_multimap& __x)
|
|
noexcept( noexcept(declval<_Base&>().swap(__x)) )
|
|
{
|
|
_Safe::_M_swap(__x);
|
|
_Base::swap(__x);
|
|
}
|
|
|
|
void
|
|
clear() noexcept
|
|
{
|
|
_Base::clear();
|
|
this->_M_invalidate_all();
|
|
}
|
|
|
|
iterator
|
|
begin() noexcept
|
|
{ return { _Base::begin(), this }; }
|
|
|
|
const_iterator
|
|
begin() const noexcept
|
|
{ return { _Base::begin(), this }; }
|
|
|
|
iterator
|
|
end() noexcept
|
|
{ return { _Base::end(), this }; }
|
|
|
|
const_iterator
|
|
end() const noexcept
|
|
{ return { _Base::end(), this }; }
|
|
|
|
const_iterator
|
|
cbegin() const noexcept
|
|
{ return { _Base::cbegin(), this }; }
|
|
|
|
const_iterator
|
|
cend() const noexcept
|
|
{ return { _Base::cend(), this }; }
|
|
|
|
// local versions
|
|
local_iterator
|
|
begin(size_type __b)
|
|
{
|
|
__glibcxx_check_bucket_index(__b);
|
|
return { _Base::begin(__b), this };
|
|
}
|
|
|
|
local_iterator
|
|
end(size_type __b)
|
|
{
|
|
__glibcxx_check_bucket_index(__b);
|
|
return { _Base::end(__b), this };
|
|
}
|
|
|
|
const_local_iterator
|
|
begin(size_type __b) const
|
|
{
|
|
__glibcxx_check_bucket_index(__b);
|
|
return { _Base::begin(__b), this };
|
|
}
|
|
|
|
const_local_iterator
|
|
end(size_type __b) const
|
|
{
|
|
__glibcxx_check_bucket_index(__b);
|
|
return { _Base::end(__b), this };
|
|
}
|
|
|
|
const_local_iterator
|
|
cbegin(size_type __b) const
|
|
{
|
|
__glibcxx_check_bucket_index(__b);
|
|
return { _Base::cbegin(__b), this };
|
|
}
|
|
|
|
const_local_iterator
|
|
cend(size_type __b) const
|
|
{
|
|
__glibcxx_check_bucket_index(__b);
|
|
return { _Base::cend(__b), this };
|
|
}
|
|
|
|
size_type
|
|
bucket_size(size_type __b) const
|
|
{
|
|
__glibcxx_check_bucket_index(__b);
|
|
return _Base::bucket_size(__b);
|
|
}
|
|
|
|
float
|
|
max_load_factor() const noexcept
|
|
{ return _Base::max_load_factor(); }
|
|
|
|
void
|
|
max_load_factor(float __f)
|
|
{
|
|
__glibcxx_check_max_load_factor(__f);
|
|
_Base::max_load_factor(__f);
|
|
}
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
emplace(_Args&&... __args)
|
|
{
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::emplace(std::forward<_Args>(__args)...);
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
template<typename... _Args>
|
|
iterator
|
|
emplace_hint(const_iterator __hint, _Args&&... __args)
|
|
{
|
|
__glibcxx_check_insert(__hint);
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::emplace_hint(__hint.base(),
|
|
std::forward<_Args>(__args)...);
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
iterator
|
|
insert(const value_type& __obj)
|
|
{
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::insert(__obj);
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 2354. Unnecessary copying when inserting into maps with braced-init
|
|
iterator
|
|
insert(value_type&& __x)
|
|
{
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::insert(std::move(__x));
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
iterator
|
|
insert(const_iterator __hint, const value_type& __obj)
|
|
{
|
|
__glibcxx_check_insert(__hint);
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::insert(__hint.base(), __obj);
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
// _GLIBCXX_RESOLVE_LIB_DEFECTS
|
|
// 2354. Unnecessary copying when inserting into maps with braced-init
|
|
iterator
|
|
insert(const_iterator __hint, value_type&& __x)
|
|
{
|
|
__glibcxx_check_insert(__hint);
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::insert(__hint.base(), std::move(__x));
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
template<typename _Pair, typename = typename
|
|
std::enable_if<std::is_constructible<value_type,
|
|
_Pair&&>::value>::type>
|
|
iterator
|
|
insert(_Pair&& __obj)
|
|
{
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::insert(std::forward<_Pair>(__obj));
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
template<typename _Pair, typename = typename
|
|
std::enable_if<std::is_constructible<value_type,
|
|
_Pair&&>::value>::type>
|
|
iterator
|
|
insert(const_iterator __hint, _Pair&& __obj)
|
|
{
|
|
__glibcxx_check_insert(__hint);
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __it = _Base::insert(__hint.base(), std::forward<_Pair>(__obj));
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __it, this };
|
|
}
|
|
|
|
void
|
|
insert(std::initializer_list<value_type> __l)
|
|
{ _Base::insert(__l); }
|
|
|
|
template<typename _InputIterator>
|
|
void
|
|
insert(_InputIterator __first, _InputIterator __last)
|
|
{
|
|
typename __gnu_debug::_Distance_traits<_InputIterator>::__type __dist;
|
|
__glibcxx_check_valid_range2(__first, __last, __dist);
|
|
size_type __bucket_count = this->bucket_count();
|
|
|
|
if (__dist.second >= __gnu_debug::__dp_sign)
|
|
_Base::insert(__gnu_debug::__unsafe(__first),
|
|
__gnu_debug::__unsafe(__last));
|
|
else
|
|
_Base::insert(__first, __last);
|
|
|
|
_M_check_rehashed(__bucket_count);
|
|
}
|
|
|
|
#if __cplusplus > 201402L
|
|
using node_type = typename _Base::node_type;
|
|
|
|
node_type
|
|
extract(const_iterator __position)
|
|
{
|
|
__glibcxx_check_erase(__position);
|
|
return _M_extract(__position.base());
|
|
}
|
|
|
|
node_type
|
|
extract(const key_type& __key)
|
|
{
|
|
const auto __position = _Base::find(__key);
|
|
if (__position != _Base::end())
|
|
return _M_extract(__position);
|
|
return {};
|
|
}
|
|
|
|
iterator
|
|
insert(node_type&& __nh)
|
|
{ return { _Base::insert(std::move(__nh)), this }; }
|
|
|
|
iterator
|
|
insert(const_iterator __hint, node_type&& __nh)
|
|
{
|
|
__glibcxx_check_insert(__hint);
|
|
return { _Base::insert(__hint.base(), std::move(__nh)), this };
|
|
}
|
|
|
|
using _Base::merge;
|
|
#endif // C++17
|
|
|
|
iterator
|
|
find(const key_type& __key)
|
|
{ return { _Base::find(__key), this }; }
|
|
|
|
const_iterator
|
|
find(const key_type& __key) const
|
|
{ return { _Base::find(__key), this }; }
|
|
|
|
std::pair<iterator, iterator>
|
|
equal_range(const key_type& __key)
|
|
{
|
|
auto __res = _Base::equal_range(__key);
|
|
return { { __res.first, this }, { __res.second, this } };
|
|
}
|
|
|
|
std::pair<const_iterator, const_iterator>
|
|
equal_range(const key_type& __key) const
|
|
{
|
|
auto __res = _Base::equal_range(__key);
|
|
return { { __res.first, this }, { __res.second, this } };
|
|
}
|
|
|
|
size_type
|
|
erase(const key_type& __key)
|
|
{
|
|
size_type __ret(0);
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __pair = _Base::equal_range(__key);
|
|
for (auto __victim = __pair.first; __victim != __pair.second;)
|
|
{
|
|
_M_invalidate(__victim);
|
|
__victim = _Base::erase(__victim);
|
|
++__ret;
|
|
}
|
|
|
|
_M_check_rehashed(__bucket_count);
|
|
return __ret;
|
|
}
|
|
|
|
iterator
|
|
erase(const_iterator __it)
|
|
{
|
|
__glibcxx_check_erase(__it);
|
|
return { _M_erase(__it.base()), this };
|
|
}
|
|
|
|
iterator
|
|
erase(iterator __it)
|
|
{
|
|
__glibcxx_check_erase(__it);
|
|
return { _M_erase(__it.base()), this };
|
|
}
|
|
|
|
iterator
|
|
erase(const_iterator __first, const_iterator __last)
|
|
{
|
|
__glibcxx_check_erase_range(__first, __last);
|
|
for (auto __tmp = __first.base(); __tmp != __last.base(); ++__tmp)
|
|
{
|
|
_GLIBCXX_DEBUG_VERIFY(__tmp != _Base::cend(),
|
|
_M_message(__gnu_debug::__msg_valid_range)
|
|
._M_iterator(__first, "first")
|
|
._M_iterator(__last, "last"));
|
|
_M_invalidate(__tmp);
|
|
}
|
|
|
|
size_type __bucket_count = this->bucket_count();
|
|
auto __next = _Base::erase(__first.base(), __last.base());
|
|
_M_check_rehashed(__bucket_count);
|
|
return { __next, this };
|
|
}
|
|
|
|
_Base&
|
|
_M_base() noexcept { return *this; }
|
|
|
|
const _Base&
|
|
_M_base() const noexcept { return *this; }
|
|
|
|
private:
|
|
void
|
|
_M_check_rehashed(size_type __prev_count)
|
|
{
|
|
if (__prev_count != this->bucket_count())
|
|
this->_M_invalidate_all();
|
|
}
|
|
|
|
void
|
|
_M_invalidate(_Base_const_iterator __victim)
|
|
{
|
|
this->_M_invalidate_if(
|
|
[__victim](_Base_const_iterator __it) { return __it == __victim; });
|
|
this->_M_invalidate_local_if(
|
|
[__victim](_Base_const_local_iterator __it)
|
|
{ return __it._M_curr() == __victim._M_cur; });
|
|
}
|
|
|
|
_Base_iterator
|
|
_M_erase(_Base_const_iterator __victim)
|
|
{
|
|
_M_invalidate(__victim);
|
|
size_type __bucket_count = this->bucket_count();
|
|
_Base_iterator __next = _Base::erase(__victim);
|
|
_M_check_rehashed(__bucket_count);
|
|
return __next;
|
|
}
|
|
|
|
#if __cplusplus > 201402L
|
|
node_type
|
|
_M_extract(_Base_const_iterator __victim)
|
|
{
|
|
_M_invalidate(__victim);
|
|
return _Base::extract(__victim);
|
|
}
|
|
#endif
|
|
};
|
|
|
|
#if __cpp_deduction_guides >= 201606
|
|
|
|
template<typename _InputIterator,
|
|
typename _Hash = hash<__iter_key_t<_InputIterator>>,
|
|
typename _Pred = equal_to<__iter_key_t<_InputIterator>>,
|
|
typename _Allocator = allocator<__iter_to_alloc_t<_InputIterator>>,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireNotAllocator<_Pred>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(_InputIterator, _InputIterator,
|
|
unordered_multimap<int, int>::size_type = {},
|
|
_Hash = _Hash(), _Pred = _Pred(),
|
|
_Allocator = _Allocator())
|
|
-> unordered_multimap<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>, _Hash, _Pred,
|
|
_Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash = hash<_Key>,
|
|
typename _Pred = equal_to<_Key>,
|
|
typename _Allocator = allocator<pair<const _Key, _Tp>>,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireNotAllocator<_Pred>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>,
|
|
unordered_multimap<int, int>::size_type = {},
|
|
_Hash = _Hash(), _Pred = _Pred(),
|
|
_Allocator = _Allocator())
|
|
-> unordered_multimap<_Key, _Tp, _Hash, _Pred, _Allocator>;
|
|
|
|
template<typename _InputIterator, typename _Allocator,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(_InputIterator, _InputIterator,
|
|
unordered_multimap<int, int>::size_type, _Allocator)
|
|
-> unordered_multimap<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>,
|
|
hash<__iter_key_t<_InputIterator>>,
|
|
equal_to<__iter_key_t<_InputIterator>>, _Allocator>;
|
|
|
|
template<typename _InputIterator, typename _Allocator,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(_InputIterator, _InputIterator, _Allocator)
|
|
-> unordered_multimap<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>,
|
|
hash<__iter_key_t<_InputIterator>>,
|
|
equal_to<__iter_key_t<_InputIterator>>, _Allocator>;
|
|
|
|
template<typename _InputIterator, typename _Hash, typename _Allocator,
|
|
typename = _RequireInputIter<_InputIterator>,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(_InputIterator, _InputIterator,
|
|
unordered_multimap<int, int>::size_type, _Hash,
|
|
_Allocator)
|
|
-> unordered_multimap<__iter_key_t<_InputIterator>,
|
|
__iter_val_t<_InputIterator>, _Hash,
|
|
equal_to<__iter_key_t<_InputIterator>>, _Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Allocator,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>,
|
|
unordered_multimap<int, int>::size_type,
|
|
_Allocator)
|
|
-> unordered_multimap<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Allocator,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>, _Allocator)
|
|
-> unordered_multimap<_Key, _Tp, hash<_Key>, equal_to<_Key>, _Allocator>;
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash, typename _Allocator,
|
|
typename = _RequireNotAllocatorOrIntegral<_Hash>,
|
|
typename = _RequireAllocator<_Allocator>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>,
|
|
unordered_multimap<int, int>::size_type,
|
|
_Hash, _Allocator)
|
|
-> unordered_multimap<_Key, _Tp, _Hash, equal_to<_Key>, _Allocator>;
|
|
|
|
#endif
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash,
|
|
typename _Pred, typename _Alloc>
|
|
inline void
|
|
swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
noexcept(noexcept(__x.swap(__y)))
|
|
{ __x.swap(__y); }
|
|
|
|
template<typename _Key, typename _Tp, typename _Hash,
|
|
typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{ return __x._M_base() == __y._M_base(); }
|
|
|
|
#if __cpp_impl_three_way_comparison < 201907L
|
|
template<typename _Key, typename _Tp, typename _Hash,
|
|
typename _Pred, typename _Alloc>
|
|
inline bool
|
|
operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{ return !(__x == __y); }
|
|
#endif
|
|
|
|
} // namespace __debug
|
|
} // namespace std
|
|
|
|
#endif // C++11
|
|
|
|
#endif
|