417e896ead
2010-08-13 Paolo Carlini <paolo.carlini@oracle.com> * include/bits/hashtable.h (_Hashtable<>::operator=(const _Hashtable&)): Move inline. (operator=(_Hashtable&&)): Define. * include/bits/unordered_map.h (unordered_map(unordered_map&&), unordered_map(const unordered_map&), unordered_multimap (unordered_multimap&&), unordered_multimap(const unordered_multimap&), __unordered_map(__unordered_map&&), __unordered_map(const __unordered_map&), __unordered_multimap(__unordered_multimap&&), __unordered_multimap(const __unordered_multimap&)): Do not define, leave implicit. * include/bits/unordered_set.h (unordered_set(unordered_set&&), unordered_set(const unordered_set&), unordered_multiset (unordered_multiset&&), unordered_multiset(const unordered_multiset&), __unordered_set(__unordered_set&&), __unordered_set(const __unordered_set&), __unordered_multiset(__unordered_multiset&&), __unordered_multiset(const __unordered_multiset&)): Likewise. * include/bits/unordered_map.h (__unordered_map(initializer_list<>), __unordered_map<>::operator=(initializer_list<>), __unordered_multimap(initializer_list<>), __unordered_multimap<>:: operator=(initializer_list<>)): Add. * include/bits/unordered_set.h (__unordered_set(initializer_list<>), __unordered_set<>::operator=(initializer_list<>), __unordered_multiset(initializer_list<>), __unordered_multiset<>:: operator=(initializer_list<>)): Likewise. * include/bits/unordered_map.h (__unordered_map(_InputIterator, _InputIterator, size_type __n), unordered_map(_InputIterator, _InputIterator, size_type __n), unordered_map(initializer_list<>, size_type __n), unordered_multimap(initializer_list<>, size_type __n)): Fix __n default to 0. * include/bits/unordered_set.h (__unordered_set(_InputIterator, _InputIterator, size_type __n), unordered_set(_InputIterator, _InputIterator, size_type __n), unordered_set(initializer_list<>, size_type __n), unordered_multiset(initializer_list<>, size_type __n)): Likewise. * include/debug/unordered_map (unordered_map(_InputIterator, _InputIterator, size_type __n), unordered_map(initializer_list<>, size_type __n), unordered_map(_InputIterator, _InputIterator, size_type __n), unordered_multimap(initializer_list<>, size_type __n)): Likewise. * include/debug/unordered_set (unordered_set(_InputIterator, _InputIterator, size_type __n), unordered_set(initializer_list<>, size_type __n), unordered_set(_InputIterator, _InputIterator, size_type __n), unordered_multiset(initializer_list<>, size_type __n)): Likewise. * include/profile/unordered_map (unordered_map(_InputIterator, _InputIterator, size_type __n), unordered_map(initializer_list<>, size_type __n), unordered_map(_InputIterator, _InputIterator, size_type __n), unordered_multimap(initializer_list<>, size_type __n)): Likewise. * include/profile/unordered_set (unordered_set(_InputIterator, _InputIterator, size_type __n), unordered_set(initializer_list<>, size_type __n), unordered_set(_InputIterator, _InputIterator, size_type __n), unordered_multiset(initializer_list<>, size_type __n)): Likewise. From-SVN: r163236
399 lines
14 KiB
C++
399 lines
14 KiB
C++
// unordered_set implementation -*- C++ -*-
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// Copyright (C) 2010 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 bits/unordered_set.h
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly.
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*/
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#ifndef _UNORDERED_SET_H
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#define _UNORDERED_SET_H
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_GLIBCXX_BEGIN_NESTED_NAMESPACE(std, _GLIBCXX_STD_D)
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// XXX When we get typedef templates these class definitions
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// will be unnecessary.
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template<class _Value,
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class _Hash = hash<_Value>,
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class _Pred = std::equal_to<_Value>,
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class _Alloc = std::allocator<_Value>,
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bool __cache_hash_code = false>
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class __unordered_set
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: public _Hashtable<_Value, _Value, _Alloc,
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std::_Identity<_Value>, _Pred,
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_Hash, __detail::_Mod_range_hashing,
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__detail::_Default_ranged_hash,
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__detail::_Prime_rehash_policy,
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__cache_hash_code, true, true>
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{
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typedef _Hashtable<_Value, _Value, _Alloc,
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std::_Identity<_Value>, _Pred,
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_Hash, __detail::_Mod_range_hashing,
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__detail::_Default_ranged_hash,
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__detail::_Prime_rehash_policy,
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__cache_hash_code, true, true>
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_Base;
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public:
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typedef typename _Base::value_type value_type;
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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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explicit
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__unordered_set(size_type __n = 10,
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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, __detail::_Mod_range_hashing(),
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__detail::_Default_ranged_hash(), __eql,
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std::_Identity<value_type>(), __a)
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{ }
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template<typename _InputIterator>
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__unordered_set(_InputIterator __f, _InputIterator __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(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
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__detail::_Default_ranged_hash(), __eql,
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std::_Identity<value_type>(), __a)
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{ }
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__unordered_set(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.begin(), __l.end(), __n, __hf,
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__detail::_Mod_range_hashing(),
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__detail::_Default_ranged_hash(), __eql,
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std::_Identity<value_type>(), __a)
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{ }
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__unordered_set&
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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.begin(), __l.end());
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return *this;
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}
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};
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template<class _Value,
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class _Hash = hash<_Value>,
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class _Pred = std::equal_to<_Value>,
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class _Alloc = std::allocator<_Value>,
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bool __cache_hash_code = false>
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class __unordered_multiset
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: public _Hashtable<_Value, _Value, _Alloc,
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std::_Identity<_Value>, _Pred,
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_Hash, __detail::_Mod_range_hashing,
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__detail::_Default_ranged_hash,
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__detail::_Prime_rehash_policy,
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__cache_hash_code, true, false>
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{
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typedef _Hashtable<_Value, _Value, _Alloc,
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std::_Identity<_Value>, _Pred,
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_Hash, __detail::_Mod_range_hashing,
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__detail::_Default_ranged_hash,
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__detail::_Prime_rehash_policy,
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__cache_hash_code, true, false>
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_Base;
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public:
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typedef typename _Base::value_type value_type;
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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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explicit
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__unordered_multiset(size_type __n = 10,
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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, __detail::_Mod_range_hashing(),
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__detail::_Default_ranged_hash(), __eql,
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std::_Identity<value_type>(), __a)
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{ }
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template<typename _InputIterator>
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__unordered_multiset(_InputIterator __f, _InputIterator __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(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
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__detail::_Default_ranged_hash(), __eql,
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std::_Identity<value_type>(), __a)
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{ }
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__unordered_multiset(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.begin(), __l.end(), __n, __hf,
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__detail::_Mod_range_hashing(),
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__detail::_Default_ranged_hash(), __eql,
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std::_Identity<value_type>(), __a)
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{ }
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__unordered_multiset&
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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.begin(), __l.end());
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return *this;
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}
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};
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template<class _Value, class _Hash, class _Pred, class _Alloc,
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bool __cache_hash_code>
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inline void
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swap(__unordered_set<_Value, _Hash, _Pred, _Alloc, __cache_hash_code>& __x,
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__unordered_set<_Value, _Hash, _Pred, _Alloc, __cache_hash_code>& __y)
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{ __x.swap(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc,
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bool __cache_hash_code>
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inline void
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swap(__unordered_multiset<_Value, _Hash, _Pred,
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_Alloc, __cache_hash_code>& __x,
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__unordered_multiset<_Value, _Hash, _Pred,
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_Alloc, __cache_hash_code>& __y)
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{ __x.swap(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc,
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bool __cache_hash_code>
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inline bool
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operator==(const __unordered_set<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __x,
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const __unordered_set<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __y)
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{ return __x._M_equal(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc,
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bool __cache_hash_code>
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inline bool
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operator!=(const __unordered_set<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __x,
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const __unordered_set<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __y)
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{ return !(__x == __y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc,
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bool __cache_hash_code>
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inline bool
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operator==(const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __x,
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const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __y)
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{ return __x._M_equal(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc,
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bool __cache_hash_code>
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inline bool
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operator!=(const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __x,
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const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
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__cache_hash_code>& __y)
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{ return !(__x == __y); }
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/**
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* @brief A standard container composed of unique keys (containing
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* at most one of each key value) in which the elements' keys are
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* the elements themselves.
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*
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* @ingroup unordered_associative_containers
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*
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* Meets the requirements of a <a href="tables.html#65">container</a>, and
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* <a href="tables.html#xx">unordered associative container</a>
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*
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* @param Value Type of key objects.
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* @param Hash Hashing function object type, defaults to hash<Value>.
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* @param Pred Predicate function object type, defaults to equal_to<Value>.
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* @param Alloc Allocator type, defaults to allocator<Key>.
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*/
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template<class _Value,
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class _Hash = hash<_Value>,
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class _Pred = std::equal_to<_Value>,
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class _Alloc = std::allocator<_Value> >
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class unordered_set
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: public __unordered_set<_Value, _Hash, _Pred, _Alloc>
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{
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typedef __unordered_set<_Value, _Hash, _Pred, _Alloc> _Base;
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public:
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typedef typename _Base::value_type value_type;
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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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explicit
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unordered_set(size_type __n = 10,
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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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{ }
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template<typename _InputIterator>
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unordered_set(_InputIterator __f, _InputIterator __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(__f, __l, __n, __hf, __eql, __a)
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{ }
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unordered_set(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.begin(), __l.end(), __n, __hf, __eql, __a)
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{ }
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unordered_set&
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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.begin(), __l.end());
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return *this;
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}
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};
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/**
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* @brief A standard container composed of equivalent keys
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* (possibly containing multiple of each key value) in which the
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* elements' keys are the elements themselves.
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*
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* @ingroup unordered_associative_containers
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*
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* Meets the requirements of a <a href="tables.html#65">container</a>, and
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* <a href="tables.html#xx">unordered associative container</a>
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*
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* @param Value Type of key objects.
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* @param Hash Hashing function object type, defaults to hash<Value>.
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* @param Pred Predicate function object type, defaults to equal_to<Value>.
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* @param Alloc Allocator type, defaults to allocator<Key>.
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*/
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template<class _Value,
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class _Hash = hash<_Value>,
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class _Pred = std::equal_to<_Value>,
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class _Alloc = std::allocator<_Value> >
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class unordered_multiset
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: public __unordered_multiset<_Value, _Hash, _Pred, _Alloc>
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{
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typedef __unordered_multiset<_Value, _Hash, _Pred, _Alloc> _Base;
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public:
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typedef typename _Base::value_type value_type;
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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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explicit
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unordered_multiset(size_type __n = 10,
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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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{ }
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template<typename _InputIterator>
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unordered_multiset(_InputIterator __f, _InputIterator __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(__f, __l, __n, __hf, __eql, __a)
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{ }
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unordered_multiset(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.begin(), __l.end(), __n, __hf, __eql, __a)
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{ }
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unordered_multiset&
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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.begin(), __l.end());
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return *this;
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}
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};
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template<class _Value, class _Hash, class _Pred, class _Alloc>
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inline void
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swap(unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
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unordered_set<_Value, _Hash, _Pred, _Alloc>& __y)
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{ __x.swap(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc>
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inline void
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swap(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
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unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
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{ __x.swap(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc>
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inline bool
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operator==(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
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const unordered_set<_Value, _Hash, _Pred, _Alloc>& __y)
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{ return __x._M_equal(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc>
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inline bool
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operator!=(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
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const unordered_set<_Value, _Hash, _Pred, _Alloc>& __y)
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{ return !(__x == __y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc>
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inline bool
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operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
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const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
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{ return __x._M_equal(__y); }
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template<class _Value, class _Hash, class _Pred, class _Alloc>
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inline bool
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operator!=(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
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const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
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{ return !(__x == __y); }
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_GLIBCXX_END_NESTED_NAMESPACE
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#endif /* _UNORDERED_SET_H */
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