0949eedbd6
git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@134190 91177308-0d34-0410-b5e6-96231b3b80d8
651 lines
24 KiB
C++
651 lines
24 KiB
C++
// -*- C++ -*-
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//===------------------------- hash_set ------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_HASH_SET
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#define _LIBCPP_HASH_SET
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/*
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hash_set synopsis
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namespace __gnu_cxx
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{
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template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
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class Alloc = allocator<Value>>
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class hash_set
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{
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public:
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// types
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typedef Value key_type;
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typedef key_type value_type;
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typedef Hash hasher;
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typedef Pred key_equal;
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typedef Alloc allocator_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef typename allocator_traits<allocator_type>::pointer pointer;
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typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
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typedef typename allocator_traits<allocator_type>::size_type size_type;
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typedef typename allocator_traits<allocator_type>::difference_type difference_type;
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typedef /unspecified/ iterator;
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typedef /unspecified/ const_iterator;
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explicit hash_set(size_type n = 193, 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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template <class InputIterator>
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hash_set(InputIterator f, InputIterator l,
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size_type n = 193, 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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hash_set(const hash_set&);
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~hash_set();
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hash_set& operator=(const hash_set&);
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allocator_type get_allocator() const;
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bool empty() const;
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size_type size() const;
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size_type max_size() const;
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iterator begin();
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iterator end();
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const_iterator begin() const;
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const_iterator end() const;
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pair<iterator, bool> insert(const value_type& obj);
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template <class InputIterator>
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void insert(InputIterator first, InputIterator last);
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void erase(const_iterator position);
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size_type erase(const key_type& k);
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void erase(const_iterator first, const_iterator last);
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void clear();
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void swap(hash_set&);
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hasher hash_funct() const;
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key_equal key_eq() const;
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iterator find(const key_type& k);
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const_iterator find(const key_type& k) const;
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size_type count(const key_type& k) const;
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pair<iterator, iterator> equal_range(const key_type& k);
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pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
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size_type bucket_count() const;
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size_type max_bucket_count() const;
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size_type elems_in_bucket(size_type n) const;
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void resize(size_type n);
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};
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template <class Value, class Hash, class Pred, class Alloc>
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void swap(hash_set<Value, Hash, Pred, Alloc>& x,
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hash_set<Value, Hash, Pred, Alloc>& y);
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template <class Value, class Hash, class Pred, class Alloc>
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bool
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operator==(const hash_set<Value, Hash, Pred, Alloc>& x,
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const hash_set<Value, Hash, Pred, Alloc>& y);
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template <class Value, class Hash, class Pred, class Alloc>
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bool
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operator!=(const hash_set<Value, Hash, Pred, Alloc>& x,
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const hash_set<Value, Hash, Pred, Alloc>& y);
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template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>,
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class Alloc = allocator<Value>>
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class hash_multiset
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{
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public:
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// types
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typedef Value key_type;
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typedef key_type value_type;
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typedef Hash hasher;
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typedef Pred key_equal;
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typedef Alloc allocator_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef typename allocator_traits<allocator_type>::pointer pointer;
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typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
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typedef typename allocator_traits<allocator_type>::size_type size_type;
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typedef typename allocator_traits<allocator_type>::difference_type difference_type;
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typedef /unspecified/ iterator;
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typedef /unspecified/ const_iterator;
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explicit hash_multiset(size_type n = 193, 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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template <class InputIterator>
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hash_multiset(InputIterator f, InputIterator l,
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size_type n = 193, 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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hash_multiset(const hash_multiset&);
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~hash_multiset();
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hash_multiset& operator=(const hash_multiset&);
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allocator_type get_allocator() const;
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bool empty() const;
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size_type size() const;
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size_type max_size() const;
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iterator begin();
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iterator end();
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const_iterator begin() const;
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const_iterator end() const;
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iterator insert(const value_type& obj);
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template <class InputIterator>
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void insert(InputIterator first, InputIterator last);
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void erase(const_iterator position);
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size_type erase(const key_type& k);
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void erase(const_iterator first, const_iterator last);
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void clear();
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void swap(hash_multiset&);
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hasher hash_funct() const;
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key_equal key_eq() const;
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iterator find(const key_type& k);
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const_iterator find(const key_type& k) const;
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size_type count(const key_type& k) const;
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pair<iterator, iterator> equal_range(const key_type& k);
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pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
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size_type bucket_count() const;
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size_type max_bucket_count() const;
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size_type elems_in_bucket(size_type n) const;
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void resize(size_type n);
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};
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template <class Value, class Hash, class Pred, class Alloc>
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void swap(hash_multiset<Value, Hash, Pred, Alloc>& x,
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hash_multiset<Value, Hash, Pred, Alloc>& y);
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template <class Value, class Hash, class Pred, class Alloc>
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bool
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operator==(const hash_multiset<Value, Hash, Pred, Alloc>& x,
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const hash_multiset<Value, Hash, Pred, Alloc>& y);
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template <class Value, class Hash, class Pred, class Alloc>
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bool
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operator!=(const hash_multiset<Value, Hash, Pred, Alloc>& x,
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const hash_multiset<Value, Hash, Pred, Alloc>& y);
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} // __gnu_cxx
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*/
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#include <__config>
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#include <__hash_table>
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#include <functional>
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#warning Use of the header <ext/hash_set> is deprecated. Migrate to <unordered_set>
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namespace __gnu_cxx {
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using namespace std;
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template <class _Value, class _Hash = std::hash<_Value>, class _Pred = equal_to<_Value>,
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class _Alloc = allocator<_Value> >
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class _LIBCPP_VISIBLE hash_set
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{
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public:
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// types
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typedef _Value key_type;
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typedef key_type value_type;
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typedef _Hash hasher;
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typedef _Pred key_equal;
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typedef _Alloc allocator_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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private:
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typedef __hash_table<value_type, hasher, key_equal, allocator_type> __table;
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__table __table_;
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public:
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typedef typename __table::pointer pointer;
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typedef typename __table::const_pointer const_pointer;
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typedef typename __table::size_type size_type;
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typedef typename __table::difference_type difference_type;
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typedef typename __table::const_iterator iterator;
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typedef typename __table::const_iterator const_iterator;
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_LIBCPP_INLINE_VISIBILITY
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hash_set() {__table_.rehash(193);}
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explicit hash_set(size_type __n, const hasher& __hf = hasher(),
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const key_equal& __eql = key_equal());
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hash_set(size_type __n, const hasher& __hf, const key_equal& __eql,
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const allocator_type& __a);
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template <class _InputIterator>
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hash_set(_InputIterator __first, _InputIterator __last);
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template <class _InputIterator>
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hash_set(_InputIterator __first, _InputIterator __last,
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size_type __n, const hasher& __hf = hasher(),
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const key_equal& __eql = key_equal());
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template <class _InputIterator>
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hash_set(_InputIterator __first, _InputIterator __last,
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size_type __n, const hasher& __hf, const key_equal& __eql,
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const allocator_type& __a);
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hash_set(const hash_set& __u);
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_LIBCPP_INLINE_VISIBILITY
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allocator_type get_allocator() const
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{return allocator_type(__table_.__node_alloc());}
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_LIBCPP_INLINE_VISIBILITY
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bool empty() const {return __table_.size() == 0;}
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_LIBCPP_INLINE_VISIBILITY
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size_type size() const {return __table_.size();}
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_LIBCPP_INLINE_VISIBILITY
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size_type max_size() const {return __table_.max_size();}
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_LIBCPP_INLINE_VISIBILITY
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iterator begin() {return __table_.begin();}
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_LIBCPP_INLINE_VISIBILITY
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iterator end() {return __table_.end();}
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_LIBCPP_INLINE_VISIBILITY
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const_iterator begin() const {return __table_.begin();}
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_LIBCPP_INLINE_VISIBILITY
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const_iterator end() const {return __table_.end();}
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_LIBCPP_INLINE_VISIBILITY
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pair<iterator, bool> insert(const value_type& __x)
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{return __table_.__insert_unique(__x);}
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template <class _InputIterator>
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void insert(_InputIterator __first, _InputIterator __last);
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_LIBCPP_INLINE_VISIBILITY
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void erase(const_iterator __p) {__table_.erase(__p);}
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_LIBCPP_INLINE_VISIBILITY
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size_type erase(const key_type& __k) {return __table_.__erase_unique(__k);}
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_LIBCPP_INLINE_VISIBILITY
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void erase(const_iterator __first, const_iterator __last)
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{__table_.erase(__first, __last);}
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_LIBCPP_INLINE_VISIBILITY
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void clear() {__table_.clear();}
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_LIBCPP_INLINE_VISIBILITY
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void swap(hash_set& __u) {__table_.swap(__u.__table_);}
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_LIBCPP_INLINE_VISIBILITY
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hasher hash_funct() const {return __table_.hash_function();}
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_LIBCPP_INLINE_VISIBILITY
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key_equal key_eq() const {return __table_.key_eq();}
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_LIBCPP_INLINE_VISIBILITY
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iterator find(const key_type& __k) {return __table_.find(__k);}
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_LIBCPP_INLINE_VISIBILITY
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const_iterator find(const key_type& __k) const {return __table_.find(__k);}
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_LIBCPP_INLINE_VISIBILITY
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size_type count(const key_type& __k) const {return __table_.__count_unique(__k);}
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_LIBCPP_INLINE_VISIBILITY
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pair<iterator, iterator> equal_range(const key_type& __k)
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{return __table_.__equal_range_unique(__k);}
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_LIBCPP_INLINE_VISIBILITY
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pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
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{return __table_.__equal_range_unique(__k);}
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_LIBCPP_INLINE_VISIBILITY
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size_type bucket_count() const {return __table_.bucket_count();}
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_LIBCPP_INLINE_VISIBILITY
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size_type max_bucket_count() const {return __table_.max_bucket_count();}
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_LIBCPP_INLINE_VISIBILITY
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size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);}
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_LIBCPP_INLINE_VISIBILITY
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void resize(size_type __n) {__table_.rehash(__n);}
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};
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n,
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const hasher& __hf, const key_equal& __eql)
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: __table_(__hf, __eql)
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{
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__table_.rehash(__n);
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(size_type __n,
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const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
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: __table_(__hf, __eql, __a)
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{
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__table_.rehash(__n);
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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template <class _InputIterator>
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hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
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_InputIterator __first, _InputIterator __last)
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{
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__table_.rehash(193);
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insert(__first, __last);
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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template <class _InputIterator>
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hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
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_InputIterator __first, _InputIterator __last, size_type __n,
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const hasher& __hf, const key_equal& __eql)
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: __table_(__hf, __eql)
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{
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__table_.rehash(__n);
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insert(__first, __last);
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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template <class _InputIterator>
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hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
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_InputIterator __first, _InputIterator __last, size_type __n,
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const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
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: __table_(__hf, __eql, __a)
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{
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__table_.rehash(__n);
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insert(__first, __last);
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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hash_set<_Value, _Hash, _Pred, _Alloc>::hash_set(
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const hash_set& __u)
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: __table_(__u.__table_)
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{
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__table_.rehash(__u.bucket_count());
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insert(__u.begin(), __u.end());
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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template <class _InputIterator>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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hash_set<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
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_InputIterator __last)
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{
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for (; __first != __last; ++__first)
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__table_.__insert_unique(*__first);
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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swap(hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
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hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
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{
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__x.swap(__y);
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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bool
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operator==(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
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const hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
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{
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if (__x.size() != __y.size())
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return false;
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typedef typename hash_set<_Value, _Hash, _Pred, _Alloc>::const_iterator
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const_iterator;
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for (const_iterator __i = __x.begin(), __ex = __x.end(), __ey = __y.end();
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__i != __ex; ++__i)
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{
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const_iterator __j = __y.find(*__i);
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if (__j == __ey || !(*__i == *__j))
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return false;
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}
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return true;
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}
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template <class _Value, class _Hash, class _Pred, class _Alloc>
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inline _LIBCPP_INLINE_VISIBILITY
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bool
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operator!=(const hash_set<_Value, _Hash, _Pred, _Alloc>& __x,
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const hash_set<_Value, _Hash, _Pred, _Alloc>& __y)
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{
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return !(__x == __y);
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}
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template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>,
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class _Alloc = allocator<_Value> >
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class _LIBCPP_VISIBLE hash_multiset
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{
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public:
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// types
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typedef _Value key_type;
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typedef key_type value_type;
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typedef _Hash hasher;
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typedef _Pred key_equal;
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typedef _Alloc allocator_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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private:
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typedef __hash_table<value_type, hasher, key_equal, allocator_type> __table;
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__table __table_;
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public:
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typedef typename __table::pointer pointer;
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typedef typename __table::const_pointer const_pointer;
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typedef typename __table::size_type size_type;
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typedef typename __table::difference_type difference_type;
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typedef typename __table::const_iterator iterator;
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typedef typename __table::const_iterator const_iterator;
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_LIBCPP_INLINE_VISIBILITY
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hash_multiset() {__table_.rehash(193);}
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explicit hash_multiset(size_type __n, const hasher& __hf = hasher(),
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const key_equal& __eql = key_equal());
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hash_multiset(size_type __n, const hasher& __hf,
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const key_equal& __eql, const allocator_type& __a);
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template <class _InputIterator>
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hash_multiset(_InputIterator __first, _InputIterator __last);
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template <class _InputIterator>
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hash_multiset(_InputIterator __first, _InputIterator __last,
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size_type __n, const hasher& __hf = hasher(),
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const key_equal& __eql = key_equal());
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template <class _InputIterator>
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hash_multiset(_InputIterator __first, _InputIterator __last,
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size_type __n , const hasher& __hf,
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const key_equal& __eql, const allocator_type& __a);
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hash_multiset(const hash_multiset& __u);
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_LIBCPP_INLINE_VISIBILITY
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allocator_type get_allocator() const
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{return allocator_type(__table_.__node_alloc());}
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_LIBCPP_INLINE_VISIBILITY
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bool empty() const {return __table_.size() == 0;}
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_LIBCPP_INLINE_VISIBILITY
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size_type size() const {return __table_.size();}
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_LIBCPP_INLINE_VISIBILITY
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size_type max_size() const {return __table_.max_size();}
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_LIBCPP_INLINE_VISIBILITY
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iterator begin() {return __table_.begin();}
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_LIBCPP_INLINE_VISIBILITY
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iterator end() {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator begin() const {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator end() const {return __table_.end();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);}
|
|
template <class _InputIterator>
|
|
void insert(_InputIterator __first, _InputIterator __last);
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void erase(const_iterator __p) {__table_.erase(__p);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type erase(const key_type& __k) {return __table_.__erase_multi(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void erase(const_iterator __first, const_iterator __last)
|
|
{__table_.erase(__first, __last);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void clear() {__table_.clear();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void swap(hash_multiset& __u) {__table_.swap(__u.__table_);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
hasher hash_funct() const {return __table_.hash_function();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
key_equal key_eq() const {return __table_.key_eq();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator find(const key_type& __k) {return __table_.find(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator find(const key_type& __k) const {return __table_.find(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type count(const key_type& __k) const {return __table_.__count_multi(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, iterator> equal_range(const key_type& __k)
|
|
{return __table_.__equal_range_multi(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
|
|
{return __table_.__equal_range_multi(__k);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type bucket_count() const {return __table_.bucket_count();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_bucket_count() const {return __table_.max_bucket_count();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type elems_in_bucket(size_type __n) const {return __table_.bucket_size(__n);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void resize(size_type __n) {__table_.rehash(__n);}
|
|
};
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__n);
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql,
|
|
const allocator_type& __a)
|
|
: __table_(__hf, __eql, __a)
|
|
{
|
|
__table_.rehash(__n);
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
|
|
_InputIterator __first, _InputIterator __last)
|
|
{
|
|
__table_.rehash(193);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__n);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
|
|
: __table_(__hf, __eql, __a)
|
|
{
|
|
__table_.rehash(__n);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>::hash_multiset(
|
|
const hash_multiset& __u)
|
|
: __table_(__u.__table_)
|
|
{
|
|
__table_.rehash(__u.bucket_count());
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
|
|
_InputIterator __last)
|
|
{
|
|
for (; __first != __last; ++__first)
|
|
__table_.__insert_multi(*__first);
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
swap(hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
|
|
hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
|
|
{
|
|
__x.swap(__y);
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
bool
|
|
operator==(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
|
|
const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
|
|
{
|
|
if (__x.size() != __y.size())
|
|
return false;
|
|
typedef typename hash_multiset<_Value, _Hash, _Pred, _Alloc>::const_iterator
|
|
const_iterator;
|
|
typedef pair<const_iterator, const_iterator> _EqRng;
|
|
for (const_iterator __i = __x.begin(), __ex = __x.end(); __i != __ex;)
|
|
{
|
|
_EqRng __xeq = __x.equal_range(*__i);
|
|
_EqRng __yeq = __y.equal_range(*__i);
|
|
if (_VSTD::distance(__xeq.first, __xeq.second) !=
|
|
_VSTD::distance(__yeq.first, __yeq.second) ||
|
|
!_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
|
|
return false;
|
|
__i = __xeq.second;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template <class _Value, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __x,
|
|
const hash_multiset<_Value, _Hash, _Pred, _Alloc>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
} // __gnu_cxx
|
|
|
|
#endif // _LIBCPP_HASH_SET
|