|  | // -*- C++ -*- | 
|  | //===-------------------------- unordered_set -----------------------------===// | 
|  | // | 
|  | //                     The LLVM Compiler Infrastructure | 
|  | // | 
|  | // This file is dual licensed under the MIT and the University of Illinois Open | 
|  | // Source Licenses. See LICENSE.TXT for details. | 
|  | // | 
|  | //===----------------------------------------------------------------------===// | 
|  |  | 
|  | #ifndef _LIBCPP_UNORDERED_SET | 
|  | #define _LIBCPP_UNORDERED_SET | 
|  |  | 
|  | /* | 
|  |  | 
|  | unordered_set synopsis | 
|  |  | 
|  | #include <initializer_list> | 
|  |  | 
|  | namespace std | 
|  | { | 
|  |  | 
|  | template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, | 
|  | class Alloc = allocator<Value>> | 
|  | class unordered_set | 
|  | { | 
|  | public: | 
|  | // types | 
|  | typedef Value                                                      key_type; | 
|  | typedef key_type                                                   value_type; | 
|  | typedef Hash                                                       hasher; | 
|  | typedef Pred                                                       key_equal; | 
|  | typedef Alloc                                                      allocator_type; | 
|  | typedef value_type&                                                reference; | 
|  | typedef const value_type&                                          const_reference; | 
|  | typedef typename allocator_traits<allocator_type>::pointer         pointer; | 
|  | typedef typename allocator_traits<allocator_type>::const_pointer   const_pointer; | 
|  | typedef typename allocator_traits<allocator_type>::size_type       size_type; | 
|  | typedef typename allocator_traits<allocator_type>::difference_type difference_type; | 
|  |  | 
|  | typedef /unspecified/ iterator; | 
|  | typedef /unspecified/ const_iterator; | 
|  | typedef /unspecified/ local_iterator; | 
|  | typedef /unspecified/ const_local_iterator; | 
|  |  | 
|  | unordered_set() | 
|  | noexcept( | 
|  | is_nothrow_default_constructible<hasher>::value && | 
|  | is_nothrow_default_constructible<key_equal>::value && | 
|  | is_nothrow_default_constructible<allocator_type>::value); | 
|  | explicit unordered_set(size_type n, const hasher& hf = hasher(), | 
|  | const key_equal& eql = key_equal(), | 
|  | const allocator_type& a = allocator_type()); | 
|  | template <class 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()); | 
|  | explicit unordered_set(const allocator_type&); | 
|  | unordered_set(const unordered_set&); | 
|  | unordered_set(const unordered_set&, const Allocator&); | 
|  | unordered_set(unordered_set&&) | 
|  | noexcept( | 
|  | is_nothrow_move_constructible<hasher>::value && | 
|  | is_nothrow_move_constructible<key_equal>::value && | 
|  | is_nothrow_move_constructible<allocator_type>::value); | 
|  | unordered_set(unordered_set&&, const Allocator&); | 
|  | unordered_set(initializer_list<value_type>, size_type n = 0, | 
|  | const hasher& hf = hasher(), const key_equal& eql = key_equal(), | 
|  | const allocator_type& a = allocator_type()); | 
|  | unordered_set(size_type n, const allocator_type& a); // C++14 | 
|  | unordered_set(size_type n, const hasher& hf, const allocator_type& a); // C++14 | 
|  | template <class InputIterator> | 
|  | unordered_set(InputIterator f, InputIterator l, size_type n, const allocator_type& a); // C++14 | 
|  | template <class InputIterator> | 
|  | unordered_set(InputIterator f, InputIterator l, size_type n, | 
|  | const hasher& hf,  const allocator_type& a); // C++14 | 
|  | unordered_set(initializer_list<value_type> il, size_type n, const allocator_type& a); // C++14 | 
|  | unordered_set(initializer_list<value_type> il, size_type n, | 
|  | const hasher& hf,  const allocator_type& a); // C++14 | 
|  | ~unordered_set(); | 
|  | unordered_set& operator=(const unordered_set&); | 
|  | unordered_set& operator=(unordered_set&&) | 
|  | noexcept( | 
|  | allocator_type::propagate_on_container_move_assignment::value && | 
|  | is_nothrow_move_assignable<allocator_type>::value && | 
|  | is_nothrow_move_assignable<hasher>::value && | 
|  | is_nothrow_move_assignable<key_equal>::value); | 
|  | unordered_set& operator=(initializer_list<value_type>); | 
|  |  | 
|  | allocator_type get_allocator() const noexcept; | 
|  |  | 
|  | bool      empty() const noexcept; | 
|  | size_type size() const noexcept; | 
|  | size_type max_size() const noexcept; | 
|  |  | 
|  | iterator       begin() noexcept; | 
|  | iterator       end() noexcept; | 
|  | const_iterator begin()  const noexcept; | 
|  | const_iterator end()    const noexcept; | 
|  | const_iterator cbegin() const noexcept; | 
|  | const_iterator cend()   const noexcept; | 
|  |  | 
|  | template <class... Args> | 
|  | pair<iterator, bool> emplace(Args&&... args); | 
|  | template <class... Args> | 
|  | iterator emplace_hint(const_iterator position, Args&&... args); | 
|  | pair<iterator, bool> insert(const value_type& obj); | 
|  | pair<iterator, bool> insert(value_type&& obj); | 
|  | iterator insert(const_iterator hint, const value_type& obj); | 
|  | iterator insert(const_iterator hint, value_type&& obj); | 
|  | template <class InputIterator> | 
|  | void insert(InputIterator first, InputIterator last); | 
|  | void insert(initializer_list<value_type>); | 
|  |  | 
|  | iterator erase(const_iterator position); | 
|  | size_type erase(const key_type& k); | 
|  | iterator erase(const_iterator first, const_iterator last); | 
|  | void clear() noexcept; | 
|  |  | 
|  | void swap(unordered_set&) | 
|  | noexcept( | 
|  | (!allocator_type::propagate_on_container_swap::value || | 
|  | __is_nothrow_swappable<allocator_type>::value) && | 
|  | __is_nothrow_swappable<hasher>::value && | 
|  | __is_nothrow_swappable<key_equal>::value); | 
|  |  | 
|  | hasher hash_function() const; | 
|  | key_equal key_eq() const; | 
|  |  | 
|  | iterator       find(const key_type& k); | 
|  | const_iterator find(const key_type& k) const; | 
|  | size_type count(const key_type& k) const; | 
|  | pair<iterator, iterator>             equal_range(const key_type& k); | 
|  | pair<const_iterator, const_iterator> equal_range(const key_type& k) const; | 
|  |  | 
|  | size_type bucket_count() const noexcept; | 
|  | size_type max_bucket_count() const noexcept; | 
|  |  | 
|  | size_type bucket_size(size_type n) const; | 
|  | size_type bucket(const key_type& k) const; | 
|  |  | 
|  | local_iterator       begin(size_type n); | 
|  | local_iterator       end(size_type n); | 
|  | const_local_iterator begin(size_type n) const; | 
|  | const_local_iterator end(size_type n) const; | 
|  | const_local_iterator cbegin(size_type n) const; | 
|  | const_local_iterator cend(size_type n) const; | 
|  |  | 
|  | float load_factor() const noexcept; | 
|  | float max_load_factor() const noexcept; | 
|  | void max_load_factor(float z); | 
|  | void rehash(size_type n); | 
|  | void reserve(size_type n); | 
|  | }; | 
|  |  | 
|  | template <class Value, class Hash, class Pred, class Alloc> | 
|  | void swap(unordered_set<Value, Hash, Pred, Alloc>& x, | 
|  | unordered_set<Value, Hash, Pred, Alloc>& y) | 
|  | noexcept(noexcept(x.swap(y))); | 
|  |  | 
|  | template <class Value, class Hash, class Pred, class Alloc> | 
|  | bool | 
|  | operator==(const unordered_set<Value, Hash, Pred, Alloc>& x, | 
|  | const unordered_set<Value, Hash, Pred, Alloc>& y); | 
|  |  | 
|  | template <class Value, class Hash, class Pred, class Alloc> | 
|  | bool | 
|  | operator!=(const unordered_set<Value, Hash, Pred, Alloc>& x, | 
|  | const unordered_set<Value, Hash, Pred, Alloc>& y); | 
|  |  | 
|  | template <class Value, class Hash = hash<Value>, class Pred = equal_to<Value>, | 
|  | class Alloc = allocator<Value>> | 
|  | class unordered_multiset | 
|  | { | 
|  | public: | 
|  | // types | 
|  | typedef Value                                                      key_type; | 
|  | typedef key_type                                                   value_type; | 
|  | typedef Hash                                                       hasher; | 
|  | typedef Pred                                                       key_equal; | 
|  | typedef Alloc                                                      allocator_type; | 
|  | typedef value_type&                                                reference; | 
|  | typedef const value_type&                                          const_reference; | 
|  | typedef typename allocator_traits<allocator_type>::pointer         pointer; | 
|  | typedef typename allocator_traits<allocator_type>::const_pointer   const_pointer; | 
|  | typedef typename allocator_traits<allocator_type>::size_type       size_type; | 
|  | typedef typename allocator_traits<allocator_type>::difference_type difference_type; | 
|  |  | 
|  | typedef /unspecified/ iterator; | 
|  | typedef /unspecified/ const_iterator; | 
|  | typedef /unspecified/ local_iterator; | 
|  | typedef /unspecified/ const_local_iterator; | 
|  |  | 
|  | unordered_multiset() | 
|  | noexcept( | 
|  | is_nothrow_default_constructible<hasher>::value && | 
|  | is_nothrow_default_constructible<key_equal>::value && | 
|  | is_nothrow_default_constructible<allocator_type>::value); | 
|  | explicit unordered_multiset(size_type n, const hasher& hf = hasher(), | 
|  | const key_equal& eql = key_equal(), | 
|  | const allocator_type& a = allocator_type()); | 
|  | template <class 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()); | 
|  | explicit unordered_multiset(const allocator_type&); | 
|  | unordered_multiset(const unordered_multiset&); | 
|  | unordered_multiset(const unordered_multiset&, const Allocator&); | 
|  | unordered_multiset(unordered_multiset&&) | 
|  | noexcept( | 
|  | is_nothrow_move_constructible<hasher>::value && | 
|  | is_nothrow_move_constructible<key_equal>::value && | 
|  | is_nothrow_move_constructible<allocator_type>::value); | 
|  | unordered_multiset(unordered_multiset&&, const Allocator&); | 
|  | unordered_multiset(initializer_list<value_type>, size_type n = /see below/, | 
|  | const hasher& hf = hasher(), const key_equal& eql = key_equal(), | 
|  | const allocator_type& a = allocator_type()); | 
|  | unordered_multiset(size_type n, const allocator_type& a); // C++14 | 
|  | unordered_multiset(size_type n, const hasher& hf, const allocator_type& a); // C++14 | 
|  | template <class InputIterator> | 
|  | unordered_multiset(InputIterator f, InputIterator l, size_type n, const allocator_type& a); // C++14 | 
|  | template <class InputIterator> | 
|  | unordered_multiset(InputIterator f, InputIterator l, size_type n, | 
|  | const hasher& hf, const allocator_type& a); // C++14 | 
|  | unordered_multiset(initializer_list<value_type> il, size_type n, const allocator_type& a); // C++14 | 
|  | unordered_multiset(initializer_list<value_type> il, size_type n, | 
|  | const hasher& hf,  const allocator_type& a); // C++14 | 
|  | ~unordered_multiset(); | 
|  | unordered_multiset& operator=(const unordered_multiset&); | 
|  | unordered_multiset& operator=(unordered_multiset&&) | 
|  | noexcept( | 
|  | allocator_type::propagate_on_container_move_assignment::value && | 
|  | is_nothrow_move_assignable<allocator_type>::value && | 
|  | is_nothrow_move_assignable<hasher>::value && | 
|  | is_nothrow_move_assignable<key_equal>::value); | 
|  | unordered_multiset& operator=(initializer_list<value_type>); | 
|  |  | 
|  | allocator_type get_allocator() const noexcept; | 
|  |  | 
|  | bool      empty() const noexcept; | 
|  | size_type size() const noexcept; | 
|  | size_type max_size() const noexcept; | 
|  |  | 
|  | iterator       begin() noexcept; | 
|  | iterator       end() noexcept; | 
|  | const_iterator begin()  const noexcept; | 
|  | const_iterator end()    const noexcept; | 
|  | const_iterator cbegin() const noexcept; | 
|  | const_iterator cend()   const noexcept; | 
|  |  | 
|  | template <class... Args> | 
|  | iterator emplace(Args&&... args); | 
|  | template <class... Args> | 
|  | iterator emplace_hint(const_iterator position, Args&&... args); | 
|  | iterator insert(const value_type& obj); | 
|  | iterator insert(value_type&& obj); | 
|  | iterator insert(const_iterator hint, const value_type& obj); | 
|  | iterator insert(const_iterator hint, value_type&& obj); | 
|  | template <class InputIterator> | 
|  | void insert(InputIterator first, InputIterator last); | 
|  | void insert(initializer_list<value_type>); | 
|  |  | 
|  | iterator erase(const_iterator position); | 
|  | size_type erase(const key_type& k); | 
|  | iterator erase(const_iterator first, const_iterator last); | 
|  | void clear() noexcept; | 
|  |  | 
|  | void swap(unordered_multiset&) | 
|  | noexcept( | 
|  | (!allocator_type::propagate_on_container_swap::value || | 
|  | __is_nothrow_swappable<allocator_type>::value) && | 
|  | __is_nothrow_swappable<hasher>::value && | 
|  | __is_nothrow_swappable<key_equal>::value); | 
|  |  | 
|  | hasher hash_function() const; | 
|  | key_equal key_eq() const; | 
|  |  | 
|  | iterator       find(const key_type& k); | 
|  | const_iterator find(const key_type& k) const; | 
|  | size_type count(const key_type& k) const; | 
|  | pair<iterator, iterator>             equal_range(const key_type& k); | 
|  | pair<const_iterator, const_iterator> equal_range(const key_type& k) const; | 
|  |  | 
|  | size_type bucket_count() const noexcept; | 
|  | size_type max_bucket_count() const noexcept; | 
|  |  | 
|  | size_type bucket_size(size_type n) const; | 
|  | size_type bucket(const key_type& k) const; | 
|  |  | 
|  | local_iterator       begin(size_type n); | 
|  | local_iterator       end(size_type n); | 
|  | const_local_iterator begin(size_type n) const; | 
|  | const_local_iterator end(size_type n) const; | 
|  | const_local_iterator cbegin(size_type n) const; | 
|  | const_local_iterator cend(size_type n) const; | 
|  |  | 
|  | float load_factor() const noexcept; | 
|  | float max_load_factor() const noexcept; | 
|  | void max_load_factor(float z); | 
|  | void rehash(size_type n); | 
|  | void reserve(size_type n); | 
|  | }; | 
|  |  | 
|  | template <class Value, class Hash, class Pred, class Alloc> | 
|  | void swap(unordered_multiset<Value, Hash, Pred, Alloc>& x, | 
|  | unordered_multiset<Value, Hash, Pred, Alloc>& y) | 
|  | noexcept(noexcept(x.swap(y))); | 
|  |  | 
|  | template <class Value, class Hash, class Pred, class Alloc> | 
|  | bool | 
|  | operator==(const unordered_multiset<Value, Hash, Pred, Alloc>& x, | 
|  | const unordered_multiset<Value, Hash, Pred, Alloc>& y); | 
|  |  | 
|  | template <class Value, class Hash, class Pred, class Alloc> | 
|  | bool | 
|  | operator!=(const unordered_multiset<Value, Hash, Pred, Alloc>& x, | 
|  | const unordered_multiset<Value, Hash, Pred, Alloc>& y); | 
|  | }  // std | 
|  |  | 
|  | */ | 
|  |  | 
|  | #include <__config> | 
|  | #include <__hash_table> | 
|  | #include <functional> | 
|  |  | 
|  | #include <__debug> | 
|  |  | 
|  | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) | 
|  | #pragma GCC system_header | 
|  | #endif | 
|  |  | 
|  | _LIBCPP_BEGIN_NAMESPACE_STD | 
|  |  | 
|  | template <class _Value, class _Hash = hash<_Value>, class _Pred = equal_to<_Value>, | 
|  | class _Alloc = allocator<_Value> > | 
|  | class _LIBCPP_TYPE_VIS_ONLY unordered_set | 
|  | { | 
|  | public: | 
|  | // types | 
|  | typedef _Value                                                     key_type; | 
|  | typedef key_type                                                   value_type; | 
|  | typedef _Hash                                                      hasher; | 
|  | typedef _Pred                                                      key_equal; | 
|  | typedef _Alloc                                                     allocator_type; | 
|  | typedef value_type&                                                reference; | 
|  | typedef const value_type&                                          const_reference; | 
|  | static_assert((is_same<value_type, typename allocator_type::value_type>::value), | 
|  | "Invalid allocator::value_type"); | 
|  |  | 
|  | private: | 
|  | typedef __hash_table<value_type, hasher, key_equal, allocator_type> __table; | 
|  |  | 
|  | __table __table_; | 
|  |  | 
|  | public: | 
|  | typedef typename __table::pointer         pointer; | 
|  | typedef typename __table::const_pointer   const_pointer; | 
|  | typedef typename __table::size_type       size_type; | 
|  | typedef typename __table::difference_type difference_type; | 
|  |  | 
|  | typedef typename __table::const_iterator       iterator; | 
|  | typedef typename __table::const_iterator       const_iterator; | 
|  | typedef typename __table::const_local_iterator local_iterator; | 
|  | typedef typename __table::const_local_iterator const_local_iterator; | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set() | 
|  | _NOEXCEPT_(is_nothrow_default_constructible<__table>::value) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | } | 
|  | explicit unordered_set(size_type __n, const hasher& __hf = hasher(), | 
|  | const key_equal& __eql = key_equal()); | 
|  | #if _LIBCPP_STD_VER > 11 | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set(size_type __n, const allocator_type& __a) | 
|  | : unordered_set(__n, hasher(), key_equal(), __a) {} | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set(size_type __n, const hasher& __hf, const allocator_type& __a) | 
|  | : unordered_set(__n, __hf, key_equal(), __a) {} | 
|  | #endif | 
|  | unordered_set(size_type __n, const hasher& __hf, const key_equal& __eql, | 
|  | const allocator_type& __a); | 
|  | template <class _InputIterator> | 
|  | unordered_set(_InputIterator __first, _InputIterator __last); | 
|  | template <class _InputIterator> | 
|  | unordered_set(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n, const hasher& __hf = hasher(), | 
|  | const key_equal& __eql = key_equal()); | 
|  | template <class _InputIterator> | 
|  | unordered_set(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n, const hasher& __hf, const key_equal& __eql, | 
|  | const allocator_type& __a); | 
|  | #if _LIBCPP_STD_VER > 11 | 
|  | template <class _InputIterator> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n, const allocator_type& __a) | 
|  | : unordered_set(__first, __last, __n, hasher(), key_equal(), __a) {} | 
|  | template <class _InputIterator> | 
|  | unordered_set(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n, const hasher& __hf, const allocator_type& __a) | 
|  | : unordered_set(__first, __last, __n, __hf, key_equal(), __a) {} | 
|  | #endif | 
|  | explicit unordered_set(const allocator_type& __a); | 
|  | unordered_set(const unordered_set& __u); | 
|  | unordered_set(const unordered_set& __u, const allocator_type& __a); | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | unordered_set(unordered_set&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_constructible<__table>::value); | 
|  | unordered_set(unordered_set&& __u, const allocator_type& __a); | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | unordered_set(initializer_list<value_type> __il); | 
|  | unordered_set(initializer_list<value_type> __il, size_type __n, | 
|  | const hasher& __hf = hasher(), | 
|  | const key_equal& __eql = key_equal()); | 
|  | unordered_set(initializer_list<value_type> __il, size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql, | 
|  | const allocator_type& __a); | 
|  | #if _LIBCPP_STD_VER > 11 | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set(initializer_list<value_type> __il, size_type __n, | 
|  | const allocator_type& __a) | 
|  | : unordered_set(__il, __n, hasher(), key_equal(), __a) {} | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set(initializer_list<value_type> __il, size_type __n, | 
|  | const hasher& __hf, const allocator_type& __a) | 
|  | : unordered_set(__il, __n, __hf, key_equal(), __a) {} | 
|  | #endif | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | // ~unordered_set() = default; | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set& operator=(const unordered_set& __u) | 
|  | { | 
|  | __table_ = __u.__table_; | 
|  | return *this; | 
|  | } | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | unordered_set& operator=(unordered_set&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_assignable<__table>::value); | 
|  | #endif | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | unordered_set& operator=(initializer_list<value_type> __il); | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | allocator_type get_allocator() const _NOEXCEPT | 
|  | {return allocator_type(__table_.__node_alloc());} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | bool      empty() const _NOEXCEPT {return __table_.size() == 0;} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type size() const _NOEXCEPT  {return __table_.size();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type max_size() const _NOEXCEPT {return __table_.max_size();} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator       begin() _NOEXCEPT        {return __table_.begin();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator       end() _NOEXCEPT          {return __table_.end();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator begin()  const _NOEXCEPT {return __table_.begin();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator end()    const _NOEXCEPT {return __table_.end();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator cbegin() const _NOEXCEPT {return __table_.begin();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator cend()   const _NOEXCEPT {return __table_.end();} | 
|  |  | 
|  | #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) | 
|  | template <class... _Args> | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | pair<iterator, bool> emplace(_Args&&... __args) | 
|  | {return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...);} | 
|  | template <class... _Args> | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | iterator emplace_hint(const_iterator __p, _Args&&... __args) | 
|  | { | 
|  | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, | 
|  | "unordered_set::emplace_hint(const_iterator, args...) called with an iterator not" | 
|  | " referring to this unordered_set"); | 
|  | return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...).first; | 
|  | } | 
|  | #else | 
|  | iterator emplace_hint(const_iterator, _Args&&... __args) | 
|  | {return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...).first;} | 
|  | #endif | 
|  | #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | pair<iterator, bool> insert(const value_type& __x) | 
|  | {return __table_.__insert_unique(__x);} | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | pair<iterator, bool> insert(value_type&& __x) | 
|  | {return __table_.__insert_unique(_VSTD::move(__x));} | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | iterator insert(const_iterator __p, const value_type& __x) | 
|  | { | 
|  | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, | 
|  | "unordered_set::insert(const_iterator, const value_type&) called with an iterator not" | 
|  | " referring to this unordered_set"); | 
|  | return insert(__x).first; | 
|  | } | 
|  | #else | 
|  | iterator insert(const_iterator, const value_type& __x) | 
|  | {return insert(__x).first;} | 
|  | #endif | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | iterator insert(const_iterator __p, value_type&& __x) | 
|  | { | 
|  | _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, | 
|  | "unordered_set::insert(const_iterator, value_type&&) called with an iterator not" | 
|  | " referring to this unordered_set"); | 
|  | return insert(_VSTD::move(__x)).first; | 
|  | } | 
|  | #else | 
|  | iterator insert(const_iterator, value_type&& __x) | 
|  | {return insert(_VSTD::move(__x)).first;} | 
|  | #endif | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | template <class _InputIterator> | 
|  | void insert(_InputIterator __first, _InputIterator __last); | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void insert(initializer_list<value_type> __il) | 
|  | {insert(__il.begin(), __il.end());} | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator erase(const_iterator __p) {return __table_.erase(__p);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type erase(const key_type& __k) {return __table_.__erase_unique(__k);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator erase(const_iterator __first, const_iterator __last) | 
|  | {return __table_.erase(__first, __last);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void clear() _NOEXCEPT {__table_.clear();} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void swap(unordered_set& __u) | 
|  | _NOEXCEPT_(__is_nothrow_swappable<__table>::value) | 
|  | {__table_.swap(__u.__table_);} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | hasher hash_function() 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_unique(__k);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | pair<iterator, iterator>             equal_range(const key_type& __k) | 
|  | {return __table_.__equal_range_unique(__k);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | pair<const_iterator, const_iterator> equal_range(const key_type& __k) const | 
|  | {return __table_.__equal_range_unique(__k);} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type bucket_count() const _NOEXCEPT {return __table_.bucket_count();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type max_bucket_count() const _NOEXCEPT {return __table_.max_bucket_count();} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type bucket_size(size_type __n) const {return __table_.bucket_size(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type bucket(const key_type& __k) const {return __table_.bucket(__k);} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | local_iterator       begin(size_type __n)        {return __table_.begin(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | local_iterator       end(size_type __n)          {return __table_.end(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator begin(size_type __n) const  {return __table_.cbegin(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator end(size_type __n) const    {return __table_.cend(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator cbegin(size_type __n) const {return __table_.cbegin(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator cend(size_type __n) const   {return __table_.cend(__n);} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | float load_factor() const _NOEXCEPT {return __table_.load_factor();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void rehash(size_type __n) {__table_.rehash(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void reserve(size_type __n) {__table_.reserve(__n);} | 
|  |  | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  |  | 
|  | bool __dereferenceable(const const_iterator* __i) const | 
|  | {return __table_.__dereferenceable(__i);} | 
|  | bool __decrementable(const const_iterator* __i) const | 
|  | {return __table_.__decrementable(__i);} | 
|  | bool __addable(const const_iterator* __i, ptrdiff_t __n) const | 
|  | {return __table_.__addable(__i, __n);} | 
|  | bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const | 
|  | {return __table_.__addable(__i, __n);} | 
|  |  | 
|  | #endif  // _LIBCPP_DEBUG_LEVEL >= 2 | 
|  |  | 
|  | }; | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set(size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql) | 
|  | : __table_(__hf, __eql) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set(size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql, const allocator_type& __a) | 
|  | : __table_(__hf, __eql, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | _InputIterator __first, _InputIterator __last) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | insert(__first, __last); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | _InputIterator __first, _InputIterator __last, size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql) | 
|  | : __table_(__hf, __eql) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__first, __last); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | _InputIterator __first, _InputIterator __last, size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql, const allocator_type& __a) | 
|  | : __table_(__hf, __eql, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__first, __last); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | const allocator_type& __a) | 
|  | : __table_(__a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | const unordered_set& __u) | 
|  | : __table_(__u.__table_) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__u.bucket_count()); | 
|  | insert(__u.begin(), __u.end()); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | const unordered_set& __u, const allocator_type& __a) | 
|  | : __table_(__u.__table_, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__u.bucket_count()); | 
|  | insert(__u.begin(), __u.end()); | 
|  | } | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | unordered_set&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_constructible<__table>::value) | 
|  | : __table_(_VSTD::move(__u.__table_)) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | __get_db()->swap(this, &__u); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | unordered_set&& __u, const allocator_type& __a) | 
|  | : __table_(_VSTD::move(__u.__table_), __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | if (__a != __u.get_allocator()) | 
|  | { | 
|  | iterator __i = __u.begin(); | 
|  | while (__u.size() != 0) | 
|  | __table_.__insert_unique(_VSTD::move(__u.__table_.remove(__i++)->__value_)); | 
|  | } | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | else | 
|  | __get_db()->swap(this, &__u); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | initializer_list<value_type> __il) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | insert(__il.begin(), __il.end()); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | initializer_list<value_type> __il, size_type __n, const hasher& __hf, | 
|  | const key_equal& __eql) | 
|  | : __table_(__hf, __eql) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__il.begin(), __il.end()); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::unordered_set( | 
|  | initializer_list<value_type> __il, size_type __n, const hasher& __hf, | 
|  | const key_equal& __eql, const allocator_type& __a) | 
|  | : __table_(__hf, __eql, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__il.begin(), __il.end()); | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>& | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::operator=(unordered_set&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_assignable<__table>::value) | 
|  | { | 
|  | __table_ = _VSTD::move(__u.__table_); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>& | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::operator=( | 
|  | initializer_list<value_type> __il) | 
|  | { | 
|  | __table_.__assign_unique(__il.begin(), __il.end()); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | void | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>::insert(_InputIterator __first, | 
|  | _InputIterator __last) | 
|  | { | 
|  | for (; __first != __last; ++__first) | 
|  | __table_.__insert_unique(*__first); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | void | 
|  | swap(unordered_set<_Value, _Hash, _Pred, _Alloc>& __x, | 
|  | unordered_set<_Value, _Hash, _Pred, _Alloc>& __y) | 
|  | _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) | 
|  | { | 
|  | __x.swap(__y); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | bool | 
|  | operator==(const unordered_set<_Value, _Hash, _Pred, _Alloc>& __x, | 
|  | const unordered_set<_Value, _Hash, _Pred, _Alloc>& __y) | 
|  | { | 
|  | if (__x.size() != __y.size()) | 
|  | return false; | 
|  | typedef typename unordered_set<_Value, _Hash, _Pred, _Alloc>::const_iterator | 
|  | const_iterator; | 
|  | for (const_iterator __i = __x.begin(), __ex = __x.end(), __ey = __y.end(); | 
|  | __i != __ex; ++__i) | 
|  | { | 
|  | const_iterator __j = __y.find(*__i); | 
|  | if (__j == __ey || !(*__i == *__j)) | 
|  | return false; | 
|  | } | 
|  | return true; | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | 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 = hash<_Value>, class _Pred = equal_to<_Value>, | 
|  | class _Alloc = allocator<_Value> > | 
|  | class _LIBCPP_TYPE_VIS_ONLY unordered_multiset | 
|  | { | 
|  | public: | 
|  | // types | 
|  | typedef _Value                                                     key_type; | 
|  | typedef key_type                                                   value_type; | 
|  | typedef _Hash                                                      hasher; | 
|  | typedef _Pred                                                      key_equal; | 
|  | typedef _Alloc                                                     allocator_type; | 
|  | typedef value_type&                                                reference; | 
|  | typedef const value_type&                                          const_reference; | 
|  | static_assert((is_same<value_type, typename allocator_type::value_type>::value), | 
|  | "Invalid allocator::value_type"); | 
|  |  | 
|  | private: | 
|  | typedef __hash_table<value_type, hasher, key_equal, allocator_type> __table; | 
|  |  | 
|  | __table __table_; | 
|  |  | 
|  | public: | 
|  | typedef typename __table::pointer         pointer; | 
|  | typedef typename __table::const_pointer   const_pointer; | 
|  | typedef typename __table::size_type       size_type; | 
|  | typedef typename __table::difference_type difference_type; | 
|  |  | 
|  | typedef typename __table::const_iterator       iterator; | 
|  | typedef typename __table::const_iterator       const_iterator; | 
|  | typedef typename __table::const_local_iterator local_iterator; | 
|  | typedef typename __table::const_local_iterator const_local_iterator; | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset() | 
|  | _NOEXCEPT_(is_nothrow_default_constructible<__table>::value) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | } | 
|  | explicit unordered_multiset(size_type __n, const hasher& __hf = hasher(), | 
|  | const key_equal& __eql = key_equal()); | 
|  | unordered_multiset(size_type __n, const hasher& __hf, | 
|  | const key_equal& __eql, const allocator_type& __a); | 
|  | #if _LIBCPP_STD_VER > 11 | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset(size_type __n, const allocator_type& __a) | 
|  | : unordered_multiset(__n, hasher(), key_equal(), __a) {} | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset(size_type __n, const hasher& __hf, const allocator_type& __a) | 
|  | : unordered_multiset(__n, __hf, key_equal(), __a) {} | 
|  | #endif | 
|  | template <class _InputIterator> | 
|  | unordered_multiset(_InputIterator __first, _InputIterator __last); | 
|  | template <class _InputIterator> | 
|  | unordered_multiset(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n, const hasher& __hf = hasher(), | 
|  | const key_equal& __eql = key_equal()); | 
|  | template <class _InputIterator> | 
|  | unordered_multiset(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n , const hasher& __hf, | 
|  | const key_equal& __eql, const allocator_type& __a); | 
|  | #if _LIBCPP_STD_VER > 11 | 
|  | template <class _InputIterator> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n, const allocator_type& __a) | 
|  | : unordered_multiset(__first, __last, __n, hasher(), key_equal(), __a) {} | 
|  | template <class _InputIterator> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset(_InputIterator __first, _InputIterator __last, | 
|  | size_type __n, const hasher& __hf, const allocator_type& __a) | 
|  | : unordered_multiset(__first, __last, __n, __hf, key_equal(), __a) {} | 
|  | #endif | 
|  | explicit unordered_multiset(const allocator_type& __a); | 
|  | unordered_multiset(const unordered_multiset& __u); | 
|  | unordered_multiset(const unordered_multiset& __u, const allocator_type& __a); | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | unordered_multiset(unordered_multiset&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_constructible<__table>::value); | 
|  | unordered_multiset(unordered_multiset&& __u, const allocator_type& __a); | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | unordered_multiset(initializer_list<value_type> __il); | 
|  | unordered_multiset(initializer_list<value_type> __il, size_type __n, | 
|  | const hasher& __hf = hasher(), | 
|  | const key_equal& __eql = key_equal()); | 
|  | unordered_multiset(initializer_list<value_type> __il, size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql, | 
|  | const allocator_type& __a); | 
|  | #if _LIBCPP_STD_VER > 11 | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset(initializer_list<value_type> __il, size_type __n, const allocator_type& __a) | 
|  | : unordered_multiset(__il, __n, hasher(), key_equal(), __a) {} | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset(initializer_list<value_type> __il, size_type __n, const hasher& __hf, const allocator_type& __a) | 
|  | : unordered_multiset(__il, __n, __hf, key_equal(), __a) {} | 
|  | #endif | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | // ~unordered_multiset() = default; | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset& operator=(const unordered_multiset& __u) | 
|  | { | 
|  | __table_ = __u.__table_; | 
|  | return *this; | 
|  | } | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | unordered_multiset& operator=(unordered_multiset&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_assignable<__table>::value); | 
|  | #endif | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | unordered_multiset& operator=(initializer_list<value_type> __il); | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | allocator_type get_allocator() const _NOEXCEPT | 
|  | {return allocator_type(__table_.__node_alloc());} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | bool      empty() const _NOEXCEPT {return __table_.size() == 0;} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type size() const _NOEXCEPT  {return __table_.size();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type max_size() const _NOEXCEPT {return __table_.max_size();} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator       begin() _NOEXCEPT        {return __table_.begin();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator       end() _NOEXCEPT          {return __table_.end();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator begin()  const _NOEXCEPT {return __table_.begin();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator end()    const _NOEXCEPT {return __table_.end();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator cbegin() const _NOEXCEPT {return __table_.begin();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_iterator cend()   const _NOEXCEPT {return __table_.end();} | 
|  |  | 
|  | #if !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) | 
|  | template <class... _Args> | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator emplace(_Args&&... __args) | 
|  | {return __table_.__emplace_multi(_VSTD::forward<_Args>(__args)...);} | 
|  | template <class... _Args> | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator emplace_hint(const_iterator __p, _Args&&... __args) | 
|  | {return __table_.__emplace_hint_multi(__p, _VSTD::forward<_Args>(__args)...);} | 
|  | #endif  // !defined(_LIBCPP_HAS_NO_RVALUE_REFERENCES) && !defined(_LIBCPP_HAS_NO_VARIADICS) | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);} | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator insert(value_type&& __x) {return __table_.__insert_multi(_VSTD::move(__x));} | 
|  | #endif | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator insert(const_iterator __p, const value_type& __x) | 
|  | {return __table_.__insert_multi(__p, __x);} | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator insert(const_iterator __p, value_type&& __x) | 
|  | {return __table_.__insert_multi(__p, _VSTD::move(__x));} | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  | template <class _InputIterator> | 
|  | void insert(_InputIterator __first, _InputIterator __last); | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void insert(initializer_list<value_type> __il) | 
|  | {insert(__il.begin(), __il.end());} | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator erase(const_iterator __p) {return __table_.erase(__p);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type erase(const key_type& __k) {return __table_.__erase_multi(__k);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | iterator erase(const_iterator __first, const_iterator __last) | 
|  | {return __table_.erase(__first, __last);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void clear() _NOEXCEPT {__table_.clear();} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void swap(unordered_multiset& __u) | 
|  | _NOEXCEPT_(__is_nothrow_swappable<__table>::value) | 
|  | {__table_.swap(__u.__table_);} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | hasher hash_function() 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 _NOEXCEPT {return __table_.bucket_count();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type max_bucket_count() const _NOEXCEPT {return __table_.max_bucket_count();} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type bucket_size(size_type __n) const {return __table_.bucket_size(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | size_type bucket(const key_type& __k) const {return __table_.bucket(__k);} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | local_iterator       begin(size_type __n)        {return __table_.begin(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | local_iterator       end(size_type __n)          {return __table_.end(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator begin(size_type __n) const  {return __table_.cbegin(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator end(size_type __n) const    {return __table_.cend(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator cbegin(size_type __n) const {return __table_.cbegin(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | const_local_iterator cend(size_type __n) const   {return __table_.cend(__n);} | 
|  |  | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | float load_factor() const _NOEXCEPT {return __table_.load_factor();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void rehash(size_type __n) {__table_.rehash(__n);} | 
|  | _LIBCPP_INLINE_VISIBILITY | 
|  | void reserve(size_type __n) {__table_.reserve(__n);} | 
|  |  | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  |  | 
|  | bool __dereferenceable(const const_iterator* __i) const | 
|  | {return __table_.__dereferenceable(__i);} | 
|  | bool __decrementable(const const_iterator* __i) const | 
|  | {return __table_.__decrementable(__i);} | 
|  | bool __addable(const const_iterator* __i, ptrdiff_t __n) const | 
|  | {return __table_.__addable(__i, __n);} | 
|  | bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const | 
|  | {return __table_.__addable(__i, __n);} | 
|  |  | 
|  | #endif  // _LIBCPP_DEBUG_LEVEL >= 2 | 
|  |  | 
|  | }; | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | size_type __n, const hasher& __hf, const key_equal& __eql) | 
|  | : __table_(__hf, __eql) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | size_type __n, const hasher& __hf, const key_equal& __eql, | 
|  | const allocator_type& __a) | 
|  | : __table_(__hf, __eql, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | _InputIterator __first, _InputIterator __last) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | insert(__first, __last); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | _InputIterator __first, _InputIterator __last, size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql) | 
|  | : __table_(__hf, __eql) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__first, __last); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | _InputIterator __first, _InputIterator __last, size_type __n, | 
|  | const hasher& __hf, const key_equal& __eql, const allocator_type& __a) | 
|  | : __table_(__hf, __eql, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__first, __last); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | const allocator_type& __a) | 
|  | : __table_(__a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | const unordered_multiset& __u) | 
|  | : __table_(__u.__table_) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__u.bucket_count()); | 
|  | insert(__u.begin(), __u.end()); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | const unordered_multiset& __u, const allocator_type& __a) | 
|  | : __table_(__u.__table_, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__u.bucket_count()); | 
|  | insert(__u.begin(), __u.end()); | 
|  | } | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | unordered_multiset&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_constructible<__table>::value) | 
|  | : __table_(_VSTD::move(__u.__table_)) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | __get_db()->swap(this, &__u); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | unordered_multiset&& __u, const allocator_type& __a) | 
|  | : __table_(_VSTD::move(__u.__table_), __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | if (__a != __u.get_allocator()) | 
|  | { | 
|  | iterator __i = __u.begin(); | 
|  | while (__u.size() != 0) | 
|  | __table_.__insert_multi(_VSTD::move(__u.__table_.remove(__i++)->__value_)); | 
|  | } | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | else | 
|  | __get_db()->swap(this, &__u); | 
|  | #endif | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | initializer_list<value_type> __il) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | insert(__il.begin(), __il.end()); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | initializer_list<value_type> __il, size_type __n, const hasher& __hf, | 
|  | const key_equal& __eql) | 
|  | : __table_(__hf, __eql) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__il.begin(), __il.end()); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::unordered_multiset( | 
|  | initializer_list<value_type> __il, size_type __n, const hasher& __hf, | 
|  | const key_equal& __eql, const allocator_type& __a) | 
|  | : __table_(__hf, __eql, __a) | 
|  | { | 
|  | #if _LIBCPP_DEBUG_LEVEL >= 2 | 
|  | __get_db()->__insert_c(this); | 
|  | #endif | 
|  | __table_.rehash(__n); | 
|  | insert(__il.begin(), __il.end()); | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>& | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::operator=( | 
|  | unordered_multiset&& __u) | 
|  | _NOEXCEPT_(is_nothrow_move_assignable<__table>::value) | 
|  | { | 
|  | __table_ = _VSTD::move(__u.__table_); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_RVALUE_REFERENCES | 
|  |  | 
|  | #ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | inline | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>& | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>::operator=( | 
|  | initializer_list<value_type> __il) | 
|  | { | 
|  | __table_.__assign_multi(__il.begin(), __il.end()); | 
|  | return *this; | 
|  | } | 
|  |  | 
|  | #endif  // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | template <class _InputIterator> | 
|  | inline _LIBCPP_INLINE_VISIBILITY | 
|  | void | 
|  | unordered_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(unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x, | 
|  | unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y) | 
|  | _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) | 
|  | { | 
|  | __x.swap(__y); | 
|  | } | 
|  |  | 
|  | template <class _Value, class _Hash, class _Pred, class _Alloc> | 
|  | bool | 
|  | operator==(const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x, | 
|  | const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y) | 
|  | { | 
|  | if (__x.size() != __y.size()) | 
|  | return false; | 
|  | typedef typename unordered_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 unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __x, | 
|  | const unordered_multiset<_Value, _Hash, _Pred, _Alloc>& __y) | 
|  | { | 
|  | return !(__x == __y); | 
|  | } | 
|  |  | 
|  | _LIBCPP_END_NAMESPACE_STD | 
|  |  | 
|  | #endif  // _LIBCPP_UNORDERED_SET |