| // -*- C++ -*- |
| //===-------------------------- unordered_map -----------------------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef _LIBCPP_UNORDERED_MAP |
| #define _LIBCPP_UNORDERED_MAP |
| |
| /* |
| |
| unordered_map synopsis |
| |
| #include <initializer_list> |
| |
| namespace std |
| { |
| |
| template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, |
| class Alloc = allocator<pair<const Key, T>>> |
| class unordered_map |
| { |
| public: |
| // types |
| typedef Key key_type; |
| typedef T mapped_type; |
| typedef Hash hasher; |
| typedef Pred key_equal; |
| typedef Alloc allocator_type; |
| typedef pair<const key_type, mapped_type> value_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; |
| |
| typedef unspecified node_type; // C++17 |
| typedef INSERT_RETURN_TYPE<iterator, node_type> insert_return_type; // C++17 |
| |
| unordered_map() |
| noexcept( |
| is_nothrow_default_constructible<hasher>::value && |
| is_nothrow_default_constructible<key_equal>::value && |
| is_nothrow_default_constructible<allocator_type>::value); |
| explicit unordered_map(size_type n, const hasher& hf = hasher(), |
| const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); |
| template <class InputIterator> |
| unordered_map(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_map(const allocator_type&); |
| unordered_map(const unordered_map&); |
| unordered_map(const unordered_map&, const Allocator&); |
| unordered_map(unordered_map&&) |
| noexcept( |
| is_nothrow_move_constructible<hasher>::value && |
| is_nothrow_move_constructible<key_equal>::value && |
| is_nothrow_move_constructible<allocator_type>::value); |
| unordered_map(unordered_map&&, const Allocator&); |
| unordered_map(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_map(size_type n, const allocator_type& a) |
| : unordered_map(n, hasher(), key_equal(), a) {} // C++14 |
| unordered_map(size_type n, const hasher& hf, const allocator_type& a) |
| : unordered_map(n, hf, key_equal(), a) {} // C++14 |
| template <class InputIterator> |
| unordered_map(InputIterator f, InputIterator l, size_type n, const allocator_type& a) |
| : unordered_map(f, l, n, hasher(), key_equal(), a) {} // C++14 |
| template <class InputIterator> |
| unordered_map(InputIterator f, InputIterator l, size_type n, const hasher& hf, |
| const allocator_type& a) |
| : unordered_map(f, l, n, hf, key_equal(), a) {} // C++14 |
| unordered_map(initializer_list<value_type> il, size_type n, const allocator_type& a) |
| : unordered_map(il, n, hasher(), key_equal(), a) {} // C++14 |
| unordered_map(initializer_list<value_type> il, size_type n, const hasher& hf, |
| const allocator_type& a) |
| : unordered_map(il, n, hf, key_equal(), a) {} // C++14 |
| ~unordered_map(); |
| unordered_map& operator=(const unordered_map&); |
| unordered_map& operator=(unordered_map&&) |
| 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_map& 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); |
| template <class P> |
| pair<iterator, bool> insert(P&& obj); |
| iterator insert(const_iterator hint, const value_type& obj); |
| template <class P> |
| iterator insert(const_iterator hint, P&& obj); |
| template <class InputIterator> |
| void insert(InputIterator first, InputIterator last); |
| void insert(initializer_list<value_type>); |
| |
| node_type extract(const_iterator position); // C++17 |
| node_type extract(const key_type& x); // C++17 |
| insert_return_type insert(node_type&& nh); // C++17 |
| iterator insert(const_iterator hint, node_type&& nh); // C++17 |
| |
| template <class... Args> |
| pair<iterator, bool> try_emplace(const key_type& k, Args&&... args); // C++17 |
| template <class... Args> |
| pair<iterator, bool> try_emplace(key_type&& k, Args&&... args); // C++17 |
| template <class... Args> |
| iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args); // C++17 |
| template <class... Args> |
| iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args); // C++17 |
| template <class M> |
| pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj); // C++17 |
| template <class M> |
| pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj); // C++17 |
| template <class M> |
| iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj); // C++17 |
| template <class M> |
| iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj); // C++17 |
| |
| iterator erase(const_iterator position); |
| iterator erase(iterator position); // C++14 |
| size_type erase(const key_type& k); |
| iterator erase(const_iterator first, const_iterator last); |
| void clear() noexcept; |
| |
| template<class H2, class P2> |
| void merge(unordered_map<Key, T, H2, P2, Allocator>& source); // C++17 |
| template<class H2, class P2> |
| void merge(unordered_map<Key, T, H2, P2, Allocator>&& source); // C++17 |
| template<class H2, class P2> |
| void merge(unordered_multimap<Key, T, H2, P2, Allocator>& source); // C++17 |
| template<class H2, class P2> |
| void merge(unordered_multimap<Key, T, H2, P2, Allocator>&& source); // C++17 |
| |
| void swap(unordered_map&) |
| 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; |
| bool contains(const key_type& k) const; // C++20 |
| pair<iterator, iterator> equal_range(const key_type& k); |
| pair<const_iterator, const_iterator> equal_range(const key_type& k) const; |
| |
| mapped_type& operator[](const key_type& k); |
| mapped_type& operator[](key_type&& k); |
| |
| mapped_type& at(const key_type& k); |
| const mapped_type& at(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 Key, class T, class Hash, class Pred, class Alloc> |
| void swap(unordered_map<Key, T, Hash, Pred, Alloc>& x, |
| unordered_map<Key, T, Hash, Pred, Alloc>& y) |
| noexcept(noexcept(x.swap(y))); |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator==(const unordered_map<Key, T, Hash, Pred, Alloc>& x, |
| const unordered_map<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator!=(const unordered_map<Key, T, Hash, Pred, Alloc>& x, |
| const unordered_map<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>, |
| class Alloc = allocator<pair<const Key, T>>> |
| class unordered_multimap |
| { |
| public: |
| // types |
| typedef Key key_type; |
| typedef T mapped_type; |
| typedef Hash hasher; |
| typedef Pred key_equal; |
| typedef Alloc allocator_type; |
| typedef pair<const key_type, mapped_type> value_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; |
| |
| typedef unspecified node_type; // C++17 |
| |
| unordered_multimap() |
| noexcept( |
| is_nothrow_default_constructible<hasher>::value && |
| is_nothrow_default_constructible<key_equal>::value && |
| is_nothrow_default_constructible<allocator_type>::value); |
| explicit unordered_multimap(size_type n, const hasher& hf = hasher(), |
| const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); |
| template <class InputIterator> |
| unordered_multimap(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_multimap(const allocator_type&); |
| unordered_multimap(const unordered_multimap&); |
| unordered_multimap(const unordered_multimap&, const Allocator&); |
| unordered_multimap(unordered_multimap&&) |
| noexcept( |
| is_nothrow_move_constructible<hasher>::value && |
| is_nothrow_move_constructible<key_equal>::value && |
| is_nothrow_move_constructible<allocator_type>::value); |
| unordered_multimap(unordered_multimap&&, const Allocator&); |
| unordered_multimap(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_multimap(size_type n, const allocator_type& a) |
| : unordered_multimap(n, hasher(), key_equal(), a) {} // C++14 |
| unordered_multimap(size_type n, const hasher& hf, const allocator_type& a) |
| : unordered_multimap(n, hf, key_equal(), a) {} // C++14 |
| template <class InputIterator> |
| unordered_multimap(InputIterator f, InputIterator l, size_type n, const allocator_type& a) |
| : unordered_multimap(f, l, n, hasher(), key_equal(), a) {} // C++14 |
| template <class InputIterator> |
| unordered_multimap(InputIterator f, InputIterator l, size_type n, const hasher& hf, |
| const allocator_type& a) |
| : unordered_multimap(f, l, n, hf, key_equal(), a) {} // C++14 |
| unordered_multimap(initializer_list<value_type> il, size_type n, const allocator_type& a) |
| : unordered_multimap(il, n, hasher(), key_equal(), a) {} // C++14 |
| unordered_multimap(initializer_list<value_type> il, size_type n, const hasher& hf, |
| const allocator_type& a) |
| : unordered_multimap(il, n, hf, key_equal(), a) {} // C++14 |
| ~unordered_multimap(); |
| unordered_multimap& operator=(const unordered_multimap&); |
| unordered_multimap& operator=(unordered_multimap&&) |
| 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_multimap& 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); |
| template <class P> |
| iterator insert(P&& obj); |
| iterator insert(const_iterator hint, const value_type& obj); |
| template <class P> |
| iterator insert(const_iterator hint, P&& obj); |
| template <class InputIterator> |
| void insert(InputIterator first, InputIterator last); |
| void insert(initializer_list<value_type>); |
| |
| node_type extract(const_iterator position); // C++17 |
| node_type extract(const key_type& x); // C++17 |
| iterator insert(node_type&& nh); // C++17 |
| iterator insert(const_iterator hint, node_type&& nh); // C++17 |
| |
| iterator erase(const_iterator position); |
| iterator erase(iterator position); // C++14 |
| size_type erase(const key_type& k); |
| iterator erase(const_iterator first, const_iterator last); |
| void clear() noexcept; |
| |
| template<class H2, class P2> |
| void merge(unordered_multimap<Key, T, H2, P2, Allocator>& source); // C++17 |
| template<class H2, class P2> |
| void merge(unordered_multimap<Key, T, H2, P2, Allocator>&& source); // C++17 |
| template<class H2, class P2> |
| void merge(unordered_map<Key, T, H2, P2, Allocator>& source); // C++17 |
| template<class H2, class P2> |
| void merge(unordered_map<Key, T, H2, P2, Allocator>&& source); // C++17 |
| |
| void swap(unordered_multimap&) |
| 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; |
| bool contains(const key_type& k) const; // C++20 |
| 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 Key, class T, class Hash, class Pred, class Alloc> |
| void swap(unordered_multimap<Key, T, Hash, Pred, Alloc>& x, |
| unordered_multimap<Key, T, Hash, Pred, Alloc>& y) |
| noexcept(noexcept(x.swap(y))); |
| |
| template <class K, class T, class H, class P, class A, class Predicate> |
| void erase_if(unordered_set<K, T, H, P, A>& c, Predicate pred); // C++20 |
| |
| template <class K, class T, class H, class P, class A, class Predicate> |
| void erase_if(unordered_multiset<K, T, H, P, A>& c, Predicate pred); // C++20 |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator==(const unordered_multimap<Key, T, Hash, Pred, Alloc>& x, |
| const unordered_multimap<Key, T, Hash, Pred, Alloc>& y); |
| |
| template <class Key, class T, class Hash, class Pred, class Alloc> |
| bool |
| operator!=(const unordered_multimap<Key, T, Hash, Pred, Alloc>& x, |
| const unordered_multimap<Key, T, Hash, Pred, Alloc>& y); |
| |
| } // std |
| |
| */ |
| |
| #include <__config> |
| #include <__hash_table> |
| #include <__node_handle> |
| #include <functional> |
| #include <stdexcept> |
| #include <tuple> |
| #include <version> |
| |
| #include <__debug> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| #pragma GCC system_header |
| #endif |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Key, class _Cp, class _Hash, |
| bool = is_empty<_Hash>::value && !__libcpp_is_final<_Hash>::value> |
| class __unordered_map_hasher |
| : private _Hash |
| { |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_hasher() |
| _NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value) |
| : _Hash() {} |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_hasher(const _Hash& __h) |
| _NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value) |
| : _Hash(__h) {} |
| _LIBCPP_INLINE_VISIBILITY |
| const _Hash& hash_function() const _NOEXCEPT {return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const _Cp& __x) const |
| {return static_cast<const _Hash&>(*this)(__x.__get_value().first);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const _Key& __x) const |
| {return static_cast<const _Hash&>(*this)(__x);} |
| void swap(__unordered_map_hasher&__y) |
| _NOEXCEPT_(__is_nothrow_swappable<_Hash>::value) |
| { |
| using _VSTD::swap; |
| swap(static_cast<_Hash&>(*this), static_cast<_Hash&>(__y)); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Hash> |
| class __unordered_map_hasher<_Key, _Cp, _Hash, false> |
| { |
| _Hash __hash_; |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_hasher() |
| _NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value) |
| : __hash_() {} |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_hasher(const _Hash& __h) |
| _NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value) |
| : __hash_(__h) {} |
| _LIBCPP_INLINE_VISIBILITY |
| const _Hash& hash_function() const _NOEXCEPT {return __hash_;} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const _Cp& __x) const |
| {return __hash_(__x.__get_value().first);} |
| _LIBCPP_INLINE_VISIBILITY |
| size_t operator()(const _Key& __x) const |
| {return __hash_(__x);} |
| void swap(__unordered_map_hasher&__y) |
| _NOEXCEPT_(__is_nothrow_swappable<_Hash>::value) |
| { |
| using _VSTD::swap; |
| swap(__hash_, __y.__hash_); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Hash, bool __b> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void |
| swap(__unordered_map_hasher<_Key, _Cp, _Hash, __b>& __x, |
| __unordered_map_hasher<_Key, _Cp, _Hash, __b>& __y) |
| _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) |
| { |
| __x.swap(__y); |
| } |
| |
| template <class _Key, class _Cp, class _Pred, |
| bool = is_empty<_Pred>::value && !__libcpp_is_final<_Pred>::value> |
| class __unordered_map_equal |
| : private _Pred |
| { |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_equal() |
| _NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value) |
| : _Pred() {} |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_equal(const _Pred& __p) |
| _NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value) |
| : _Pred(__p) {} |
| _LIBCPP_INLINE_VISIBILITY |
| const _Pred& key_eq() const _NOEXCEPT {return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Cp& __x, const _Cp& __y) const |
| {return static_cast<const _Pred&>(*this)(__x.__get_value().first, __y.__get_value().first);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Cp& __x, const _Key& __y) const |
| {return static_cast<const _Pred&>(*this)(__x.__get_value().first, __y);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Key& __x, const _Cp& __y) const |
| {return static_cast<const _Pred&>(*this)(__x, __y.__get_value().first);} |
| void swap(__unordered_map_equal&__y) |
| _NOEXCEPT_(__is_nothrow_swappable<_Pred>::value) |
| { |
| using _VSTD::swap; |
| swap(static_cast<_Pred&>(*this), static_cast<_Pred&>(__y)); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Pred> |
| class __unordered_map_equal<_Key, _Cp, _Pred, false> |
| { |
| _Pred __pred_; |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_equal() |
| _NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value) |
| : __pred_() {} |
| _LIBCPP_INLINE_VISIBILITY |
| __unordered_map_equal(const _Pred& __p) |
| _NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value) |
| : __pred_(__p) {} |
| _LIBCPP_INLINE_VISIBILITY |
| const _Pred& key_eq() const _NOEXCEPT {return __pred_;} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Cp& __x, const _Cp& __y) const |
| {return __pred_(__x.__get_value().first, __y.__get_value().first);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Cp& __x, const _Key& __y) const |
| {return __pred_(__x.__get_value().first, __y);} |
| _LIBCPP_INLINE_VISIBILITY |
| bool operator()(const _Key& __x, const _Cp& __y) const |
| {return __pred_(__x, __y.__get_value().first);} |
| void swap(__unordered_map_equal&__y) |
| _NOEXCEPT_(__is_nothrow_swappable<_Pred>::value) |
| { |
| using _VSTD::swap; |
| swap(__pred_, __y.__pred_); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Pred, bool __b> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void |
| swap(__unordered_map_equal<_Key, _Cp, _Pred, __b>& __x, |
| __unordered_map_equal<_Key, _Cp, _Pred, __b>& __y) |
| _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) |
| { |
| __x.swap(__y); |
| } |
| |
| template <class _Alloc> |
| class __hash_map_node_destructor |
| { |
| typedef _Alloc allocator_type; |
| typedef allocator_traits<allocator_type> __alloc_traits; |
| |
| public: |
| |
| typedef typename __alloc_traits::pointer pointer; |
| private: |
| |
| allocator_type& __na_; |
| |
| __hash_map_node_destructor& operator=(const __hash_map_node_destructor&); |
| |
| public: |
| bool __first_constructed; |
| bool __second_constructed; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| explicit __hash_map_node_destructor(allocator_type& __na) _NOEXCEPT |
| : __na_(__na), |
| __first_constructed(false), |
| __second_constructed(false) |
| {} |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_node_destructor(__hash_node_destructor<allocator_type>&& __x) |
| _NOEXCEPT |
| : __na_(__x.__na_), |
| __first_constructed(__x.__value_constructed), |
| __second_constructed(__x.__value_constructed) |
| { |
| __x.__value_constructed = false; |
| } |
| #else // _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_node_destructor(const __hash_node_destructor<allocator_type>& __x) |
| : __na_(__x.__na_), |
| __first_constructed(__x.__value_constructed), |
| __second_constructed(__x.__value_constructed) |
| { |
| const_cast<bool&>(__x.__value_constructed) = false; |
| } |
| #endif // _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void operator()(pointer __p) _NOEXCEPT |
| { |
| if (__second_constructed) |
| __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.__get_value().second)); |
| if (__first_constructed) |
| __alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.__get_value().first)); |
| if (__p) |
| __alloc_traits::deallocate(__na_, __p, 1); |
| } |
| }; |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| template <class _Key, class _Tp> |
| struct __hash_value_type |
| { |
| typedef _Key key_type; |
| typedef _Tp mapped_type; |
| typedef pair<const key_type, mapped_type> value_type; |
| typedef pair<key_type&, mapped_type&> __nc_ref_pair_type; |
| typedef pair<key_type&&, mapped_type&&> __nc_rref_pair_type; |
| |
| private: |
| value_type __cc; |
| |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| value_type& __get_value() |
| { |
| #if _LIBCPP_STD_VER > 14 |
| return *_VSTD::launder(_VSTD::addressof(__cc)); |
| #else |
| return __cc; |
| #endif |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| const value_type& __get_value() const |
| { |
| #if _LIBCPP_STD_VER > 14 |
| return *_VSTD::launder(_VSTD::addressof(__cc)); |
| #else |
| return __cc; |
| #endif |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __nc_ref_pair_type __ref() |
| { |
| value_type& __v = __get_value(); |
| return __nc_ref_pair_type(const_cast<key_type&>(__v.first), __v.second); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __nc_rref_pair_type __move() |
| { |
| value_type& __v = __get_value(); |
| return __nc_rref_pair_type( |
| _VSTD::move(const_cast<key_type&>(__v.first)), |
| _VSTD::move(__v.second)); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_value_type& operator=(const __hash_value_type& __v) |
| { |
| __ref() = __v.__get_value(); |
| return *this; |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_value_type& operator=(__hash_value_type&& __v) |
| { |
| __ref() = __v.__move(); |
| return *this; |
| } |
| |
| template <class _ValueTp, |
| class = typename enable_if< |
| __is_same_uncvref<_ValueTp, value_type>::value |
| >::type |
| > |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_value_type& operator=(_ValueTp&& __v) |
| { |
| __ref() = _VSTD::forward<_ValueTp>(__v); |
| return *this; |
| } |
| |
| private: |
| __hash_value_type(const __hash_value_type& __v) = delete; |
| __hash_value_type(__hash_value_type&& __v) = delete; |
| template <class ..._Args> |
| explicit __hash_value_type(_Args&& ...__args) = delete; |
| |
| ~__hash_value_type() = delete; |
| }; |
| |
| #else |
| |
| template <class _Key, class _Tp> |
| struct __hash_value_type |
| { |
| typedef _Key key_type; |
| typedef _Tp mapped_type; |
| typedef pair<const key_type, mapped_type> value_type; |
| |
| private: |
| value_type __cc; |
| |
| public: |
| _LIBCPP_INLINE_VISIBILITY |
| value_type& __get_value() { return __cc; } |
| _LIBCPP_INLINE_VISIBILITY |
| const value_type& __get_value() const { return __cc; } |
| |
| private: |
| ~__hash_value_type(); |
| }; |
| |
| #endif |
| |
| template <class _HashIterator> |
| class _LIBCPP_TEMPLATE_VIS __hash_map_iterator |
| { |
| _HashIterator __i_; |
| |
| typedef __hash_node_types_from_iterator<_HashIterator> _NodeTypes; |
| |
| public: |
| typedef forward_iterator_tag iterator_category; |
| typedef typename _NodeTypes::__map_value_type value_type; |
| typedef typename _NodeTypes::difference_type difference_type; |
| typedef value_type& reference; |
| typedef typename _NodeTypes::__map_value_type_pointer pointer; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_iterator() _NOEXCEPT {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| reference operator*() const {return __i_->__get_value();} |
| _LIBCPP_INLINE_VISIBILITY |
| pointer operator->() const {return pointer_traits<pointer>::pointer_to(__i_->__get_value());} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_iterator& operator++() {++__i_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_iterator operator++(int) |
| { |
| __hash_map_iterator __t(*this); |
| ++(*this); |
| return __t; |
| } |
| |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const __hash_map_iterator& __x, const __hash_map_iterator& __y) |
| {return __x.__i_ == __y.__i_;} |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y) |
| {return __x.__i_ != __y.__i_;} |
| |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_map; |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_multimap; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_iterator; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_local_iterator; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_map_const_iterator; |
| }; |
| |
| template <class _HashIterator> |
| class _LIBCPP_TEMPLATE_VIS __hash_map_const_iterator |
| { |
| _HashIterator __i_; |
| |
| typedef __hash_node_types_from_iterator<_HashIterator> _NodeTypes; |
| |
| public: |
| typedef forward_iterator_tag iterator_category; |
| typedef typename _NodeTypes::__map_value_type value_type; |
| typedef typename _NodeTypes::difference_type difference_type; |
| typedef const value_type& reference; |
| typedef typename _NodeTypes::__const_map_value_type_pointer pointer; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator() _NOEXCEPT {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {} |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator( |
| __hash_map_iterator<typename _HashIterator::__non_const_iterator> __i) |
| _NOEXCEPT |
| : __i_(__i.__i_) {} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| reference operator*() const {return __i_->__get_value();} |
| _LIBCPP_INLINE_VISIBILITY |
| pointer operator->() const {return pointer_traits<pointer>::pointer_to(__i_->__get_value());} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator& operator++() {++__i_; return *this;} |
| _LIBCPP_INLINE_VISIBILITY |
| __hash_map_const_iterator operator++(int) |
| { |
| __hash_map_const_iterator __t(*this); |
| ++(*this); |
| return __t; |
| } |
| |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator==(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y) |
| {return __x.__i_ == __y.__i_;} |
| friend _LIBCPP_INLINE_VISIBILITY |
| bool operator!=(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y) |
| {return __x.__i_ != __y.__i_;} |
| |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_map; |
| template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_multimap; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_iterator; |
| template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_local_iterator; |
| }; |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| class unordered_multimap; |
| |
| template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>, |
| class _Alloc = allocator<pair<const _Key, _Tp> > > |
| class _LIBCPP_TEMPLATE_VIS unordered_map |
| { |
| public: |
| // types |
| typedef _Key key_type; |
| typedef _Tp mapped_type; |
| typedef typename __identity<_Hash>::type hasher; |
| typedef typename __identity<_Pred>::type key_equal; |
| typedef typename __identity<_Alloc>::type allocator_type; |
| typedef pair<const key_type, mapped_type> value_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_value_type<key_type, mapped_type> __value_type; |
| typedef __unordered_map_hasher<key_type, __value_type, hasher> __hasher; |
| typedef __unordered_map_equal<key_type, __value_type, key_equal> __key_equal; |
| typedef typename __rebind_alloc_helper<allocator_traits<allocator_type>, |
| __value_type>::type __allocator_type; |
| |
| typedef __hash_table<__value_type, __hasher, |
| __key_equal, __allocator_type> __table; |
| |
| __table __table_; |
| |
| typedef typename __table::_NodeTypes _NodeTypes; |
| typedef typename __table::__node_pointer __node_pointer; |
| typedef typename __table::__node_const_pointer __node_const_pointer; |
| typedef typename __table::__node_traits __node_traits; |
| typedef typename __table::__node_allocator __node_allocator; |
| typedef typename __table::__node __node; |
| typedef __hash_map_node_destructor<__node_allocator> _Dp; |
| typedef unique_ptr<__node, _Dp> __node_holder; |
| typedef allocator_traits<allocator_type> __alloc_traits; |
| |
| static_assert((is_same<typename __table::__container_value_type, value_type>::value), ""); |
| static_assert((is_same<typename __table::__node_value_type, __value_type>::value), ""); |
| public: |
| typedef typename __alloc_traits::pointer pointer; |
| typedef typename __alloc_traits::const_pointer const_pointer; |
| typedef typename __table::size_type size_type; |
| typedef typename __table::difference_type difference_type; |
| |
| typedef __hash_map_iterator<typename __table::iterator> iterator; |
| typedef __hash_map_const_iterator<typename __table::const_iterator> const_iterator; |
| typedef __hash_map_iterator<typename __table::local_iterator> local_iterator; |
| typedef __hash_map_const_iterator<typename __table::const_local_iterator> const_local_iterator; |
| |
| #if _LIBCPP_STD_VER > 14 |
| typedef __map_node_handle<__node, allocator_type> node_type; |
| typedef __insert_return_type<iterator, node_type> insert_return_type; |
| #endif |
| |
| template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2> |
| friend class _LIBCPP_TEMPLATE_VIS unordered_map; |
| template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2> |
| friend class _LIBCPP_TEMPLATE_VIS unordered_multimap; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map() |
| _NOEXCEPT_(is_nothrow_default_constructible<__table>::value) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| } |
| explicit unordered_map(size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| unordered_map(size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| template <class _InputIterator> |
| unordered_map(_InputIterator __first, _InputIterator __last); |
| template <class _InputIterator> |
| unordered_map(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| template <class _InputIterator> |
| unordered_map(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| _LIBCPP_INLINE_VISIBILITY |
| explicit unordered_map(const allocator_type& __a); |
| unordered_map(const unordered_map& __u); |
| unordered_map(const unordered_map& __u, const allocator_type& __a); |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map(unordered_map&& __u) |
| _NOEXCEPT_(is_nothrow_move_constructible<__table>::value); |
| unordered_map(unordered_map&& __u, const allocator_type& __a); |
| unordered_map(initializer_list<value_type> __il); |
| unordered_map(initializer_list<value_type> __il, size_type __n, |
| const hasher& __hf = hasher(), const key_equal& __eql = key_equal()); |
| unordered_map(initializer_list<value_type> __il, size_type __n, |
| const hasher& __hf, const key_equal& __eql, |
| const allocator_type& __a); |
| #endif // _LIBCPP_CXX03_LANG |
| #if _LIBCPP_STD_VER > 11 |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map(size_type __n, const allocator_type& __a) |
| : unordered_map(__n, hasher(), key_equal(), __a) {} |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map(size_type __n, const hasher& __hf, const allocator_type& __a) |
| : unordered_map(__n, __hf, key_equal(), __a) {} |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map(_InputIterator __first, _InputIterator __last, size_type __n, const allocator_type& __a) |
| : unordered_map(__first, __last, __n, hasher(), key_equal(), __a) {} |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map(_InputIterator __first, _InputIterator __last, size_type __n, const hasher& __hf, |
| const allocator_type& __a) |
| : unordered_map(__first, __last, __n, __hf, key_equal(), __a) {} |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map(initializer_list<value_type> __il, size_type __n, const allocator_type& __a) |
| : unordered_map(__il, __n, hasher(), key_equal(), __a) {} |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map(initializer_list<value_type> __il, size_type __n, const hasher& __hf, |
| const allocator_type& __a) |
| : unordered_map(__il, __n, __hf, key_equal(), __a) {} |
| #endif |
| _LIBCPP_INLINE_VISIBILITY |
| ~unordered_map() { |
| static_assert(sizeof(__diagnose_unordered_container_requirements<_Key, _Hash, _Pred>(0)), ""); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map& operator=(const unordered_map& __u) |
| { |
| #ifndef _LIBCPP_CXX03_LANG |
| __table_ = __u.__table_; |
| #else |
| if (this != &__u) { |
| __table_.clear(); |
| __table_.hash_function() = __u.__table_.hash_function(); |
| __table_.key_eq() = __u.__table_.key_eq(); |
| __table_.max_load_factor() = __u.__table_.max_load_factor(); |
| __table_.__copy_assign_alloc(__u.__table_); |
| insert(__u.begin(), __u.end()); |
| } |
| #endif |
| return *this; |
| } |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map& operator=(unordered_map&& __u) |
| _NOEXCEPT_(is_nothrow_move_assignable<__table>::value); |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_map& operator=(initializer_list<value_type> __il); |
| #endif // _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_INLINE_VISIBILITY |
| allocator_type get_allocator() const _NOEXCEPT |
| {return allocator_type(__table_.__node_alloc());} |
| |
| _LIBCPP_NODISCARD_AFTER_CXX17 _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();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| pair<iterator, bool> insert(const value_type& __x) |
| {return __table_.__insert_unique(__x);} |
| |
| iterator insert(const_iterator __p, const value_type& __x) { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| "unordered_map::insert(const_iterator, const value_type&) called with an iterator not" |
| " referring to this unordered_map"); |
| #else |
| ((void)__p); |
| #endif |
| return insert(__x).first; |
| } |
| |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| void insert(_InputIterator __first, _InputIterator __last); |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| void insert(initializer_list<value_type> __il) |
| {insert(__il.begin(), __il.end());} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| pair<iterator, bool> insert(value_type&& __x) |
| {return __table_.__insert_unique(_VSTD::move(__x));} |
| |
| iterator insert(const_iterator __p, value_type&& __x) { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| "unordered_map::insert(const_iterator, const value_type&) called with an iterator not" |
| " referring to this unordered_map"); |
| #else |
| ((void)__p); |
| #endif |
| return __table_.__insert_unique(_VSTD::move(__x)).first; |
| } |
| |
| template <class _Pp, |
| class = typename enable_if<is_constructible<value_type, _Pp>::value>::type> |
| _LIBCPP_INLINE_VISIBILITY |
| pair<iterator, bool> insert(_Pp&& __x) |
| {return __table_.__insert_unique(_VSTD::forward<_Pp>(__x));} |
| |
| template <class _Pp, |
| class = typename enable_if<is_constructible<value_type, _Pp>::value>::type> |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator __p, _Pp&& __x) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| "unordered_map::insert(const_iterator, value_type&&) called with an iterator not" |
| " referring to this unordered_map"); |
| #else |
| ((void)__p); |
| #endif |
| return insert(_VSTD::forward<_Pp>(__x)).first; |
| } |
| |
| 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 |
| iterator emplace_hint(const_iterator __p, _Args&&... __args) { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this, |
| "unordered_map::emplace_hint(const_iterator, args...) called with an iterator not" |
| " referring to this unordered_map"); |
| #else |
| ((void)__p); |
| #endif |
| return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...).first; |
| } |
| |
| #endif // _LIBCPP_CXX03_LANG |
| |
| #if _LIBCPP_STD_VER > 14 |
| template <class... _Args> |
| _LIBCPP_INLINE_VISIBILITY |
| pair<iterator, bool> try_emplace(const key_type& __k, _Args&&... __args) |
| { |
| return __table_.__emplace_unique_key_args(__k, _VSTD::piecewise_construct, |
| _VSTD::forward_as_tuple(__k), |
| _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...)); |
| } |
| |
| template <class... _Args> |
| _LIBCPP_INLINE_VISIBILITY |
| pair<iterator, bool> try_emplace(key_type&& __k, _Args&&... __args) |
| { |
| return __table_.__emplace_unique_key_args(__k, _VSTD::piecewise_construct, |
| _VSTD::forward_as_tuple(_VSTD::move(__k)), |
| _VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...)); |
| } |
| |
| template <class... _Args> |
| _LIBCPP_INLINE_VISIBILITY |
| iterator try_emplace(const_iterator __h, const key_type& __k, _Args&&... __args) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__h) == this, |
| "unordered_map::try_emplace(const_iterator, key, args...) called with an iterator not" |
| " referring to this unordered_map"); |
| #else |
| ((void)__h); |
| #endif |
| return try_emplace(__k, _VSTD::forward<_Args>(__args)...).first; |
| } |
| |
| template <class... _Args> |
| _LIBCPP_INLINE_VISIBILITY |
| iterator try_emplace(const_iterator __h, key_type&& __k, _Args&&... __args) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| _LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__h) == this, |
| "unordered_map::try_emplace(const_iterator, key, args...) called with an iterator not" |
| " referring to this unordered_map"); |
| #else |
| ((void)__h); |
| #endif |
| return try_emplace(_VSTD::move(__k), _VSTD::forward<_Args>(__args)...).first; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_INLINE_VISIBILITY |
| pair<iterator, bool> insert_or_assign(const key_type& __k, _Vp&& __v) |
| { |
| pair<iterator, bool> __res = __table_.__emplace_unique_key_args(__k, |
| __k, _VSTD::forward<_Vp>(__v)); |
| if (!__res.second) { |
| __res.first->second = _VSTD::forward<_Vp>(__v); |
| } |
| return __res; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_INLINE_VISIBILITY |
| pair<iterator, bool> insert_or_assign(key_type&& __k, _Vp&& __v) |
| { |
| pair<iterator, bool> __res = __table_.__emplace_unique_key_args(__k, |
| _VSTD::move(__k), _VSTD::forward<_Vp>(__v)); |
| if (!__res.second) { |
| __res.first->second = _VSTD::forward<_Vp>(__v); |
| } |
| return __res; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert_or_assign(const_iterator, const key_type& __k, _Vp&& __v) |
| { |
| // FIXME: Add debug mode checking for the iterator input |
| return insert_or_assign(__k, _VSTD::forward<_Vp>(__v)).first; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert_or_assign(const_iterator, key_type&& __k, _Vp&& __v) |
| { |
| // FIXME: Add debug mode checking for the iterator input |
| return insert_or_assign(_VSTD::move(__k), _VSTD::forward<_Vp>(__v)).first; |
| } |
| #endif // _LIBCPP_STD_VER > 14 |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator erase(const_iterator __p) {return __table_.erase(__p.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator erase(iterator __p) {return __table_.erase(__p.__i_);} |
| _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.__i_, __last.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| void clear() _NOEXCEPT {__table_.clear();} |
| |
| #if _LIBCPP_STD_VER > 14 |
| _LIBCPP_INLINE_VISIBILITY |
| insert_return_type insert(node_type&& __nh) |
| { |
| _LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(), |
| "node_type with incompatible allocator passed to unordered_map::insert()"); |
| return __table_.template __node_handle_insert_unique< |
| node_type, insert_return_type>(_VSTD::move(__nh)); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator __hint, node_type&& __nh) |
| { |
| _LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(), |
| "node_type with incompatible allocator passed to unordered_map::insert()"); |
| return __table_.template __node_handle_insert_unique<node_type>( |
| __hint.__i_, _VSTD::move(__nh)); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| node_type extract(key_type const& __key) |
| { |
| return __table_.template __node_handle_extract<node_type>(__key); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| node_type extract(const_iterator __it) |
| { |
| return __table_.template __node_handle_extract<node_type>( |
| __it.__i_); |
| } |
| |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| #endif |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void swap(unordered_map& __u) |
| _NOEXCEPT_(__is_nothrow_swappable<__table>::value) |
| { __table_.swap(__u.__table_);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| hasher hash_function() const |
| {return __table_.hash_function().hash_function();} |
| _LIBCPP_INLINE_VISIBILITY |
| key_equal key_eq() const |
| {return __table_.key_eq().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);} |
| #if _LIBCPP_STD_VER > 17 |
| _LIBCPP_INLINE_VISIBILITY |
| bool contains(const key_type& __k) const {return find(__k) != end();} |
| #endif // _LIBCPP_STD_VER > 17 |
| _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);} |
| |
| mapped_type& operator[](const key_type& __k); |
| #ifndef _LIBCPP_CXX03_LANG |
| mapped_type& operator[](key_type&& __k); |
| #endif |
| |
| mapped_type& at(const key_type& __k); |
| const mapped_type& at(const key_type& __k) const; |
| |
| _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->__i_);} |
| bool __decrementable(const const_iterator* __i) const |
| {return __table_.__decrementable(&__i->__i_);} |
| bool __addable(const const_iterator* __i, ptrdiff_t __n) const |
| {return __table_.__addable(&__i->__i_, __n);} |
| bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const |
| {return __table_.__addable(&__i->__i_, __n);} |
| |
| #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
| |
| private: |
| |
| #ifdef _LIBCPP_CXX03_LANG |
| __node_holder __construct_node_with_key(const key_type& __k); |
| #endif |
| }; |
| |
| #ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES |
| template<class _InputIterator, |
| class _Hash = hash<__iter_key_type<_InputIterator>>, |
| class _Pred = equal_to<__iter_key_type<_InputIterator>>, |
| class _Allocator = allocator<__iter_to_alloc_type<_InputIterator>>, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<!__is_allocator<_Pred>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type = 0, |
| _Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator()) |
| -> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, _Hash, _Pred, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Hash = hash<remove_const_t<_Key>>, |
| class _Pred = equal_to<remove_const_t<_Key>>, |
| class _Allocator = allocator<pair<const _Key, _Tp>>, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<!__is_allocator<_Pred>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type = 0, |
| _Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator()) |
| -> unordered_map<remove_const_t<_Key>, _Tp, _Hash, _Pred, _Allocator>; |
| |
| template<class _InputIterator, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Allocator) |
| -> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, |
| hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>; |
| |
| template<class _InputIterator, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(_InputIterator, _InputIterator, _Allocator) |
| -> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, |
| hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>; |
| |
| template<class _InputIterator, class _Hash, class _Allocator, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator) |
| -> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, |
| _Hash, equal_to<__iter_key_type<_InputIterator>>, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Allocator) |
| -> unordered_map<remove_const_t<_Key>, _Tp, |
| hash<remove_const_t<_Key>>, |
| equal_to<remove_const_t<_Key>>, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(initializer_list<pair<_Key, _Tp>>, _Allocator) |
| -> unordered_map<remove_const_t<_Key>, _Tp, |
| hash<remove_const_t<_Key>>, |
| equal_to<remove_const_t<_Key>>, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Hash, class _Allocator, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_map(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator) |
| -> unordered_map<remove_const_t<_Key>, _Tp, _Hash, |
| equal_to<remove_const_t<_Key>>, _Allocator>; |
| #endif |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| 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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| size_type __n, const hasher& __hf, const key_equal& __eql, |
| const allocator_type& __a) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__n); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| const allocator_type& __a) |
| : __table_(typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| _InputIterator __first, _InputIterator __last) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| _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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| _InputIterator __first, _InputIterator __last, size_type __n, |
| const hasher& __hf, const key_equal& __eql, const allocator_type& __a) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__n); |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| const unordered_map& __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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| const unordered_map& __u, const allocator_type& __a) |
| : __table_(__u.__table_, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__u.bucket_count()); |
| insert(__u.begin(), __u.end()); |
| } |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| unordered_map&& __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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| unordered_map&& __u, const allocator_type& __a) |
| : __table_(_VSTD::move(__u.__table_), typename __table::allocator_type(__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_.__emplace_unique( |
| __u.__table_.remove((__i++).__i_)->__value_.__move()); |
| } |
| } |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| else |
| __get_db()->swap(this, &__u); |
| #endif |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| initializer_list<value_type> __il) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| insert(__il.begin(), __il.end()); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| 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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map( |
| initializer_list<value_type> __il, size_type __n, const hasher& __hf, |
| const key_equal& __eql, const allocator_type& __a) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__n); |
| insert(__il.begin(), __il.end()); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(unordered_map&& __u) |
| _NOEXCEPT_(is_nothrow_move_assignable<__table>::value) |
| { |
| __table_ = _VSTD::move(__u.__table_); |
| return *this; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=( |
| initializer_list<value_type> __il) |
| { |
| __table_.__assign_unique(__il.begin(), __il.end()); |
| return *this; |
| } |
| |
| #endif // _LIBCPP_CXX03_LANG |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| inline |
| void |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::insert(_InputIterator __first, |
| _InputIterator __last) |
| { |
| for (; __first != __last; ++__first) |
| __table_.__insert_unique(*__first); |
| } |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| _Tp& |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type& __k) |
| { |
| return __table_.__emplace_unique_key_args(__k, |
| std::piecewise_construct, std::forward_as_tuple(__k), |
| std::forward_as_tuple()).first->__get_value().second; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| _Tp& |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](key_type&& __k) |
| { |
| return __table_.__emplace_unique_key_args(__k, |
| std::piecewise_construct, std::forward_as_tuple(std::move(__k)), |
| std::forward_as_tuple()).first->__get_value().second; |
| } |
| #else // _LIBCPP_CXX03_LANG |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node_with_key(const key_type& __k) |
| { |
| __node_allocator& __na = __table_.__node_alloc(); |
| __node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na)); |
| __node_traits::construct(__na, _VSTD::addressof(__h->__value_.__get_value().first), __k); |
| __h.get_deleter().__first_constructed = true; |
| __node_traits::construct(__na, _VSTD::addressof(__h->__value_.__get_value().second)); |
| __h.get_deleter().__second_constructed = true; |
| return _LIBCPP_EXPLICIT_MOVE(__h); // explicitly moved for C++03 |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| _Tp& |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type& __k) |
| { |
| iterator __i = find(__k); |
| if (__i != end()) |
| return __i->second; |
| __node_holder __h = __construct_node_with_key(__k); |
| pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get()); |
| __h.release(); |
| return __r.first->second; |
| } |
| |
| #endif // _LIBCPP_CXX03_MODE |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| _Tp& |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::at(const key_type& __k) |
| { |
| iterator __i = find(__k); |
| if (__i == end()) |
| __throw_out_of_range("unordered_map::at: key not found"); |
| return __i->second; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| const _Tp& |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::at(const key_type& __k) const |
| { |
| const_iterator __i = find(__k); |
| if (__i == end()) |
| __throw_out_of_range("unordered_map::at: key not found"); |
| return __i->second; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void |
| swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) |
| { |
| __x.swap(__y); |
| } |
| |
| #if _LIBCPP_STD_VER > 17 |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void erase_if(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred) |
| { __libcpp_erase_if_container(__c, __pred); } |
| #endif |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| bool |
| operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| if (__x.size() != __y.size()) |
| return false; |
| typedef typename unordered_map<_Key, _Tp, _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->first); |
| if (__j == __ey || !(*__i == *__j)) |
| return false; |
| } |
| return true; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>, |
| class _Alloc = allocator<pair<const _Key, _Tp> > > |
| class _LIBCPP_TEMPLATE_VIS unordered_multimap |
| { |
| public: |
| // types |
| typedef _Key key_type; |
| typedef _Tp mapped_type; |
| typedef typename __identity<_Hash>::type hasher; |
| typedef typename __identity<_Pred>::type key_equal; |
| typedef typename __identity<_Alloc>::type allocator_type; |
| typedef pair<const key_type, mapped_type> value_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_value_type<key_type, mapped_type> __value_type; |
| typedef __unordered_map_hasher<key_type, __value_type, hasher> __hasher; |
| typedef __unordered_map_equal<key_type, __value_type, key_equal> __key_equal; |
| typedef typename __rebind_alloc_helper<allocator_traits<allocator_type>, |
| __value_type>::type __allocator_type; |
| |
| typedef __hash_table<__value_type, __hasher, |
| __key_equal, __allocator_type> __table; |
| |
| __table __table_; |
| |
| typedef typename __table::_NodeTypes _NodeTypes; |
| typedef typename __table::__node_traits __node_traits; |
| typedef typename __table::__node_allocator __node_allocator; |
| typedef typename __table::__node __node; |
| typedef __hash_map_node_destructor<__node_allocator> _Dp; |
| typedef unique_ptr<__node, _Dp> __node_holder; |
| typedef allocator_traits<allocator_type> __alloc_traits; |
| static_assert((is_same<typename __node_traits::size_type, |
| typename __alloc_traits::size_type>::value), |
| "Allocator uses different size_type for different types"); |
| public: |
| typedef typename __alloc_traits::pointer pointer; |
| typedef typename __alloc_traits::const_pointer const_pointer; |
| typedef typename __table::size_type size_type; |
| typedef typename __table::difference_type difference_type; |
| |
| typedef __hash_map_iterator<typename __table::iterator> iterator; |
| typedef __hash_map_const_iterator<typename __table::const_iterator> const_iterator; |
| typedef __hash_map_iterator<typename __table::local_iterator> local_iterator; |
| typedef __hash_map_const_iterator<typename __table::const_local_iterator> const_local_iterator; |
| |
| #if _LIBCPP_STD_VER > 14 |
| typedef __map_node_handle<__node, allocator_type> node_type; |
| #endif |
| |
| template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2> |
| friend class _LIBCPP_TEMPLATE_VIS unordered_map; |
| template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2> |
| friend class _LIBCPP_TEMPLATE_VIS unordered_multimap; |
| |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap() |
| _NOEXCEPT_(is_nothrow_default_constructible<__table>::value) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| } |
| explicit unordered_multimap(size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| unordered_multimap(size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| template <class _InputIterator> |
| unordered_multimap(_InputIterator __first, _InputIterator __last); |
| template <class _InputIterator> |
| unordered_multimap(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| template <class _InputIterator> |
| unordered_multimap(_InputIterator __first, _InputIterator __last, |
| size_type __n, const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| _LIBCPP_INLINE_VISIBILITY |
| explicit unordered_multimap(const allocator_type& __a); |
| unordered_multimap(const unordered_multimap& __u); |
| unordered_multimap(const unordered_multimap& __u, const allocator_type& __a); |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap(unordered_multimap&& __u) |
| _NOEXCEPT_(is_nothrow_move_constructible<__table>::value); |
| unordered_multimap(unordered_multimap&& __u, const allocator_type& __a); |
| unordered_multimap(initializer_list<value_type> __il); |
| unordered_multimap(initializer_list<value_type> __il, size_type __n, |
| const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| unordered_multimap(initializer_list<value_type> __il, size_type __n, |
| const hasher& __hf, const key_equal& __eql, |
| const allocator_type& __a); |
| #endif // _LIBCPP_CXX03_LANG |
| #if _LIBCPP_STD_VER > 11 |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap(size_type __n, const allocator_type& __a) |
| : unordered_multimap(__n, hasher(), key_equal(), __a) {} |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap(size_type __n, const hasher& __hf, const allocator_type& __a) |
| : unordered_multimap(__n, __hf, key_equal(), __a) {} |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap(_InputIterator __first, _InputIterator __last, size_type __n, const allocator_type& __a) |
| : unordered_multimap(__first, __last, __n, hasher(), key_equal(), __a) {} |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap(_InputIterator __first, _InputIterator __last, size_type __n, const hasher& __hf, |
| const allocator_type& __a) |
| : unordered_multimap(__first, __last, __n, __hf, key_equal(), __a) {} |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap(initializer_list<value_type> __il, size_type __n, const allocator_type& __a) |
| : unordered_multimap(__il, __n, hasher(), key_equal(), __a) {} |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap(initializer_list<value_type> __il, size_type __n, const hasher& __hf, |
| const allocator_type& __a) |
| : unordered_multimap(__il, __n, __hf, key_equal(), __a) {} |
| #endif |
| _LIBCPP_INLINE_VISIBILITY |
| ~unordered_multimap() { |
| static_assert(sizeof(__diagnose_unordered_container_requirements<_Key, _Hash, _Pred>(0)), ""); |
| } |
| |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap& operator=(const unordered_multimap& __u) |
| { |
| #ifndef _LIBCPP_CXX03_LANG |
| __table_ = __u.__table_; |
| #else |
| if (this != &__u) { |
| __table_.clear(); |
| __table_.hash_function() = __u.__table_.hash_function(); |
| __table_.key_eq() = __u.__table_.key_eq(); |
| __table_.max_load_factor() = __u.__table_.max_load_factor(); |
| __table_.__copy_assign_alloc(__u.__table_); |
| insert(__u.begin(), __u.end()); |
| } |
| #endif |
| return *this; |
| } |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap& operator=(unordered_multimap&& __u) |
| _NOEXCEPT_(is_nothrow_move_assignable<__table>::value); |
| _LIBCPP_INLINE_VISIBILITY |
| unordered_multimap& operator=(initializer_list<value_type> __il); |
| #endif // _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_INLINE_VISIBILITY |
| allocator_type get_allocator() const _NOEXCEPT |
| {return allocator_type(__table_.__node_alloc());} |
| |
| _LIBCPP_NODISCARD_AFTER_CXX17 _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();} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator __p, const value_type& __x) |
| {return __table_.__insert_multi(__p.__i_, __x);} |
| |
| template <class _InputIterator> |
| _LIBCPP_INLINE_VISIBILITY |
| void insert(_InputIterator __first, _InputIterator __last); |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_INLINE_VISIBILITY |
| void insert(initializer_list<value_type> __il) |
| {insert(__il.begin(), __il.end());} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(value_type&& __x) {return __table_.__insert_multi(_VSTD::move(__x));} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator __p, value_type&& __x) |
| {return __table_.__insert_multi(__p.__i_, _VSTD::move(__x));} |
| |
| template <class _Pp, |
| class = typename enable_if<is_constructible<value_type, _Pp>::value>::type> |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(_Pp&& __x) |
| {return __table_.__insert_multi(_VSTD::forward<_Pp>(__x));} |
| |
| template <class _Pp, |
| class = typename enable_if<is_constructible<value_type, _Pp>::value>::type> |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator __p, _Pp&& __x) |
| {return __table_.__insert_multi(__p.__i_, _VSTD::forward<_Pp>(__x));} |
| |
| template <class... _Args> |
| iterator emplace(_Args&&... __args) { |
| return __table_.__emplace_multi(_VSTD::forward<_Args>(__args)...); |
| } |
| |
| template <class... _Args> |
| iterator emplace_hint(const_iterator __p, _Args&&... __args) { |
| return __table_.__emplace_hint_multi(__p.__i_, _VSTD::forward<_Args>(__args)...); |
| } |
| #endif // _LIBCPP_CXX03_LANG |
| |
| |
| _LIBCPP_INLINE_VISIBILITY |
| iterator erase(const_iterator __p) {return __table_.erase(__p.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| iterator erase(iterator __p) {return __table_.erase(__p.__i_);} |
| _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.__i_, __last.__i_);} |
| _LIBCPP_INLINE_VISIBILITY |
| void clear() _NOEXCEPT {__table_.clear();} |
| |
| #if _LIBCPP_STD_VER > 14 |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(node_type&& __nh) |
| { |
| _LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(), |
| "node_type with incompatible allocator passed to unordered_multimap::insert()"); |
| return __table_.template __node_handle_insert_multi<node_type>( |
| _VSTD::move(__nh)); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| iterator insert(const_iterator __hint, node_type&& __nh) |
| { |
| _LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(), |
| "node_type with incompatible allocator passed to unordered_multimap::insert()"); |
| return __table_.template __node_handle_insert_multi<node_type>( |
| __hint.__i_, _VSTD::move(__nh)); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| node_type extract(key_type const& __key) |
| { |
| return __table_.template __node_handle_extract<node_type>(__key); |
| } |
| _LIBCPP_INLINE_VISIBILITY |
| node_type extract(const_iterator __it) |
| { |
| return __table_.template __node_handle_extract<node_type>( |
| __it.__i_); |
| } |
| |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_INLINE_VISIBILITY |
| void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) |
| { |
| _LIBCPP_ASSERT(__source.get_allocator() == get_allocator(), |
| "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| #endif |
| |
| _LIBCPP_INLINE_VISIBILITY |
| void swap(unordered_multimap& __u) |
| _NOEXCEPT_(__is_nothrow_swappable<__table>::value) |
| {__table_.swap(__u.__table_);} |
| |
| _LIBCPP_INLINE_VISIBILITY |
| hasher hash_function() const |
| {return __table_.hash_function().hash_function();} |
| _LIBCPP_INLINE_VISIBILITY |
| key_equal key_eq() const |
| {return __table_.key_eq().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);} |
| #if _LIBCPP_STD_VER > 17 |
| _LIBCPP_INLINE_VISIBILITY |
| bool contains(const key_type& __k) const {return find(__k) != end();} |
| #endif // _LIBCPP_STD_VER > 17 |
| _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->__i_);} |
| bool __decrementable(const const_iterator* __i) const |
| {return __table_.__decrementable(&__i->__i_);} |
| bool __addable(const const_iterator* __i, ptrdiff_t __n) const |
| {return __table_.__addable(&__i->__i_, __n);} |
| bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const |
| {return __table_.__addable(&__i->__i_, __n);} |
| |
| #endif // _LIBCPP_DEBUG_LEVEL >= 2 |
| |
| |
| }; |
| |
| #ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES |
| template<class _InputIterator, |
| class _Hash = hash<__iter_key_type<_InputIterator>>, |
| class _Pred = equal_to<__iter_key_type<_InputIterator>>, |
| class _Allocator = allocator<__iter_to_alloc_type<_InputIterator>>, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<!__is_allocator<_Pred>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type = 0, |
| _Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator()) |
| -> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, _Hash, _Pred, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Hash = hash<remove_const_t<_Key>>, |
| class _Pred = equal_to<remove_const_t<_Key>>, |
| class _Allocator = allocator<pair<const _Key, _Tp>>, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<!__is_allocator<_Pred>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type = 0, |
| _Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator()) |
| -> unordered_multimap<remove_const_t<_Key>, _Tp, _Hash, _Pred, _Allocator>; |
| |
| template<class _InputIterator, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Allocator) |
| -> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, |
| hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>; |
| |
| template<class _InputIterator, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(_InputIterator, _InputIterator, _Allocator) |
| -> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, |
| hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>; |
| |
| template<class _InputIterator, class _Hash, class _Allocator, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator) |
| -> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, |
| _Hash, equal_to<__iter_key_type<_InputIterator>>, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Allocator) |
| -> unordered_multimap<remove_const_t<_Key>, _Tp, |
| hash<remove_const_t<_Key>>, |
| equal_to<remove_const_t<_Key>>, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Allocator, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(initializer_list<pair<_Key, _Tp>>, _Allocator) |
| -> unordered_multimap<remove_const_t<_Key>, _Tp, |
| hash<remove_const_t<_Key>>, |
| equal_to<remove_const_t<_Key>>, _Allocator>; |
| |
| template<class _Key, class _Tp, class _Hash, class _Allocator, |
| class = _EnableIf<!__is_allocator<_Hash>::value>, |
| class = _EnableIf<!is_integral<_Hash>::value>, |
| class = _EnableIf<__is_allocator<_Allocator>::value>> |
| unordered_multimap(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator) |
| -> unordered_multimap<remove_const_t<_Key>, _Tp, _Hash, |
| equal_to<remove_const_t<_Key>>, _Allocator>; |
| #endif |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| 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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| size_type __n, const hasher& __hf, const key_equal& __eql, |
| const allocator_type& __a) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__n); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| _InputIterator __first, _InputIterator __last) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| _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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| _InputIterator __first, _InputIterator __last, size_type __n, |
| const hasher& __hf, const key_equal& __eql, const allocator_type& __a) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__n); |
| insert(__first, __last); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| const allocator_type& __a) |
| : __table_(typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| const unordered_multimap& __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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| const unordered_multimap& __u, const allocator_type& __a) |
| : __table_(__u.__table_, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__u.bucket_count()); |
| insert(__u.begin(), __u.end()); |
| } |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| unordered_multimap&& __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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| unordered_multimap&& __u, const allocator_type& __a) |
| : __table_(_VSTD::move(__u.__table_), typename __table::allocator_type(__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( |
| __u.__table_.remove((__i++).__i_)->__value_.__move()); |
| } |
| } |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| else |
| __get_db()->swap(this, &__u); |
| #endif |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| initializer_list<value_type> __il) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| insert(__il.begin(), __il.end()); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| 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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap( |
| initializer_list<value_type> __il, size_type __n, const hasher& __hf, |
| const key_equal& __eql, const allocator_type& __a) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) |
| { |
| #if _LIBCPP_DEBUG_LEVEL >= 2 |
| __get_db()->__insert_c(this); |
| #endif |
| __table_.rehash(__n); |
| insert(__il.begin(), __il.end()); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(unordered_multimap&& __u) |
| _NOEXCEPT_(is_nothrow_move_assignable<__table>::value) |
| { |
| __table_ = _VSTD::move(__u.__table_); |
| return *this; |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=( |
| initializer_list<value_type> __il) |
| { |
| __table_.__assign_multi(__il.begin(), __il.end()); |
| return *this; |
| } |
| |
| #endif // _LIBCPP_CXX03_LANG |
| |
| |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| template <class _InputIterator> |
| inline |
| void |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::insert(_InputIterator __first, |
| _InputIterator __last) |
| { |
| for (; __first != __last; ++__first) |
| __table_.__insert_multi(*__first); |
| } |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void |
| swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) |
| { |
| __x.swap(__y); |
| } |
| |
| #if _LIBCPP_STD_VER > 17 |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate> |
| inline _LIBCPP_INLINE_VISIBILITY |
| void erase_if(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred) |
| { __libcpp_erase_if_container(__c, __pred); } |
| #endif |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| bool |
| operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| if (__x.size() != __y.size()) |
| return false; |
| typedef typename unordered_multimap<_Key, _Tp, _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->first); |
| _EqRng __yeq = __y.equal_range(__i->first); |
| 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 _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_INLINE_VISIBILITY |
| bool |
| operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) |
| { |
| return !(__x == __y); |
| } |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #endif // _LIBCPP_UNORDERED_MAP |
