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// unordered_set implementation -*- C++ -*-
// Copyright (C) 2010, 2011 Free Software Foundation, Inc.
//
// This file is part of the GNU ISO C++ Library. This library is free
// software; you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the
// Free Software Foundation; either version 3, or (at your option)
// any later version.
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// Under Section 7 of GPL version 3, you are granted additional
// permissions described in the GCC Runtime Library Exception, version
// 3.1, as published by the Free Software Foundation.
// You should have received a copy of the GNU General Public License and
// a copy of the GCC Runtime Library Exception along with this program;
// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
// <http://www.gnu.org/licenses/>.
/** @file bits/unordered_set.h
* This is an internal header file, included by other library headers.
* Do not attempt to use it directly. @headername{unordered_set}
*/
#ifndef _UNORDERED_SET_H
#define _UNORDERED_SET_H
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_CONTAINER
// NB: When we get typedef templates these class definitions
// will be unnecessary.
template<class _Value,
class _Hash = hash<_Value>,
class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value>,
bool __cache_hash_code = false>
class __unordered_set
: public _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, true>
{
typedef _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, true>
_Base;
public:
typedef typename _Base::value_type value_type;
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;
explicit
__unordered_set(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<value_type>(), __a)
{ }
template<typename _InputIterator>
__unordered_set(_InputIterator __f, _InputIterator __l,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<value_type>(), __a)
{ }
__unordered_set(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.begin(), __l.end(), __n, __hf,
__detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<value_type>(), __a)
{ }
__unordered_set&
operator=(initializer_list<value_type> __l)
{
this->clear();
this->insert(__l.begin(), __l.end());
return *this;
}
};
template<class _Value,
class _Hash = hash<_Value>,
class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value>,
bool __cache_hash_code = false>
class __unordered_multiset
: public _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, false>
{
typedef _Hashtable<_Value, _Value, _Alloc,
std::_Identity<_Value>, _Pred,
_Hash, __detail::_Mod_range_hashing,
__detail::_Default_ranged_hash,
__detail::_Prime_rehash_policy,
__cache_hash_code, true, false>
_Base;
public:
typedef typename _Base::value_type value_type;
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;
explicit
__unordered_multiset(size_type __n = 10,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<value_type>(), __a)
{ }
template<typename _InputIterator>
__unordered_multiset(_InputIterator __f, _InputIterator __l,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<value_type>(), __a)
{ }
__unordered_multiset(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.begin(), __l.end(), __n, __hf,
__detail::_Mod_range_hashing(),
__detail::_Default_ranged_hash(), __eql,
std::_Identity<value_type>(), __a)
{ }
__unordered_multiset&
operator=(initializer_list<value_type> __l)
{
this->clear();
this->insert(__l.begin(), __l.end());
return *this;
}
};
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline void
swap(__unordered_set<_Value, _Hash, _Pred, _Alloc, __cache_hash_code>& __x,
__unordered_set<_Value, _Hash, _Pred, _Alloc, __cache_hash_code>& __y)
{ __x.swap(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline void
swap(__unordered_multiset<_Value, _Hash, _Pred,
_Alloc, __cache_hash_code>& __x,
__unordered_multiset<_Value, _Hash, _Pred,
_Alloc, __cache_hash_code>& __y)
{ __x.swap(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline bool
operator==(const __unordered_set<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __x,
const __unordered_set<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __y)
{ return __x._M_equal(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline bool
operator!=(const __unordered_set<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __x,
const __unordered_set<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __y)
{ return !(__x == __y); }
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline bool
operator==(const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __x,
const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __y)
{ return __x._M_equal(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc,
bool __cache_hash_code>
inline bool
operator!=(const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __x,
const __unordered_multiset<_Value, _Hash, _Pred, _Alloc,
__cache_hash_code>& __y)
{ return !(__x == __y); }
/**
* @brief A standard container composed of unique keys (containing
* at most one of each key value) in which the elements' keys are
* the elements themselves.
*
* @ingroup unordered_associative_containers
*
* Meets the requirements of a <a href="tables.html#65">container</a>, and
* <a href="tables.html#xx">unordered associative container</a>
*
* @param Value Type of key objects.
* @param Hash Hashing function object type, defaults to hash<Value>.
* @param Pred Predicate function object type, defaults to equal_to<Value>.
* @param Alloc Allocator type, defaults to allocator<Key>.
*/
template<class _Value,
class _Hash = hash<_Value>,
class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value> >
class unordered_set
: public __unordered_set<_Value, _Hash, _Pred, _Alloc>
{
typedef __unordered_set<_Value, _Hash, _Pred, _Alloc> _Base;
public:
typedef typename _Base::value_type value_type;
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;
explicit
unordered_set(size_type __n = 10,
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_set(_InputIterator __f, _InputIterator __l,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __eql, __a)
{ }
unordered_set(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.begin(), __l.end(), __n, __hf, __eql, __a)
{ }
unordered_set&
operator=(initializer_list<value_type> __l)
{
this->clear();
this->insert(__l.begin(), __l.end());
return *this;
}
};
/**
* @brief A standard container composed of equivalent keys
* (possibly containing multiple of each key value) in which the
* elements' keys are the elements themselves.
*
* @ingroup unordered_associative_containers
*
* Meets the requirements of a <a href="tables.html#65">container</a>, and
* <a href="tables.html#xx">unordered associative container</a>
*
* @param Value Type of key objects.
* @param Hash Hashing function object type, defaults to hash<Value>.
* @param Pred Predicate function object type, defaults to equal_to<Value>.
* @param Alloc Allocator type, defaults to allocator<Key>.
*/
template<class _Value,
class _Hash = hash<_Value>,
class _Pred = std::equal_to<_Value>,
class _Alloc = std::allocator<_Value> >
class unordered_multiset
: public __unordered_multiset<_Value, _Hash, _Pred, _Alloc>
{
typedef __unordered_multiset<_Value, _Hash, _Pred, _Alloc> _Base;
public:
typedef typename _Base::value_type value_type;
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;
explicit
unordered_multiset(size_type __n = 10,
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_multiset(_InputIterator __f, _InputIterator __l,
size_type __n = 0,
const hasher& __hf = hasher(),
const key_equal& __eql = key_equal(),
const allocator_type& __a = allocator_type())
: _Base(__f, __l, __n, __hf, __eql, __a)
{ }
unordered_multiset(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.begin(), __l.end(), __n, __hf, __eql, __a)
{ }
unordered_multiset&
operator=(initializer_list<value_type> __l)
{
this->clear();
this->insert(__l.begin(), __l.end());
return *this;
}
};
template<class _Value, class _Hash, class _Pred, class _Alloc>
inline void
swap(unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
unordered_set<_Value, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc>
inline void
swap(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{ __x.swap(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc>
inline bool
operator==(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
const unordered_set<_Value, _Hash, _Pred, _Alloc>& __y)
{ return __x._M_equal(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc>
inline bool
operator!=(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x,
const unordered_set<_Value, _Hash, _Pred, _Alloc>& __y)
{ return !(__x == __y); }
template<class _Value, class _Hash, class _Pred, class _Alloc>
inline bool
operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{ return __x._M_equal(__y); }
template<class _Value, class _Hash, class _Pred, class _Alloc>
inline bool
operator!=(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
{ return !(__x == __y); }
_GLIBCXX_END_NAMESPACE_CONTAINER
} // namespace std
#endif /* _UNORDERED_SET_H */
