| // -*- C++ -*- |
| //===----------------------------------------------------------------------===// |
| // |
| // 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()); |
| template<container-compatible-range<value_type> R> |
| unordered_map(from_range_t, R&& rg, size_type n = see below, |
| const hasher& hf = hasher(), const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); // C++23 |
| |
| 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 |
| template<container-compatible-range<value_type> R> |
| unordered_map(from_range_t, R&& rg, size_type n, const allocator_type& a) |
| : unordered_map(from_range, std::forward<R>(rg), n, hasher(), key_equal(), a) { } // C++23 |
| template<container-compatible-range<value_type> R> |
| unordered_map(from_range_t, R&& rg, size_type n, const hasher& hf, const allocator_type& a) |
| : unordered_map(from_range, std::forward<R>(rg), n, hf, key_equal(), a) { } // C++23 |
| 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); |
| template<container-compatible-range<value_type> R> |
| void insert_range(R&& rg); // C++23 |
| 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; |
| template<typename K> |
| iterator find(const K& x); // C++20 |
| template<typename K> |
| const_iterator find(const K& x) const; // C++20 |
| size_type count(const key_type& k) const; |
| template<typename K> |
| size_type count(const K& k) const; // C++20 |
| bool contains(const key_type& k) const; // C++20 |
| template<typename K> |
| bool contains(const K& 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; |
| template<typename K> |
| pair<iterator, iterator> equal_range(const K& k); // C++20 |
| template<typename K> |
| pair<const_iterator, const_iterator> equal_range(const K& k) const; // C++20 |
| |
| 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 InputIterator, |
| class Hash = hash<iter_key_t<InputIterator>>, class Pred = equal_to<iter_key_t<InputIterator>>, |
| class Allocator = allocator<iter_to_alloc_t<InputIterator>>> |
| unordered_map(InputIterator, InputIterator, typename see below::size_type = see below, |
| Hash = Hash(), Pred = Pred(), Allocator = Allocator()) |
| -> unordered_map<iter_key_t<InputIterator>, iter_value_t<InputIterator>, Hash, Pred, |
| Allocator>; // C++17 |
| |
| template<ranges::input_range R, class Hash = hash<range-key-type<R>>, |
| class Pred = equal_to<range-key-type<R>>, |
| class Allocator = allocator<range-to-alloc-type<R>>> |
| unordered_map(from_range_t, R&&, typename see below::size_type = see below, |
| Hash = Hash(), Pred = Pred(), Allocator = Allocator()) |
| -> unordered_map<range-key-type<R>, range-mapped-type<R>, Hash, Pred, Allocator>; // C++23 |
| |
| template<class Key, class T, class Hash = hash<Key>, |
| class Pred = equal_to<Key>, class Allocator = allocator<pair<const Key, T>>> |
| unordered_map(initializer_list<pair<const Key, T>>, typename see below::size_type = see below, |
| Hash = Hash(), Pred = Pred(), Allocator = Allocator()) |
| -> unordered_map<Key, T, Hash, Pred, Allocator>; // C++17 |
| |
| template<class InputIterator, class Allocator> |
| unordered_map(InputIterator, InputIterator, typename see below::size_type, Allocator) |
| -> unordered_map<iter_key_t<InputIterator>, iter_val_t<InputIterator>, |
| hash<iter_key_t<InputIterator>>, equal_to<iter_key_t<InputIterator>>, Allocator>; // C++17 |
| |
| template<class InputIterator, class Allocator> |
| unordered_map(InputIterator, InputIterator, Allocator) |
| -> unordered_map<iter_key_t<InputIterator>, iter_val_t<InputIterator>, |
| hash<iter_key_t<InputIterator>>, equal_to<iter_key_t<InputIterator>>, Allocator>; // C++17 |
| |
| template<class InputIterator, class Hash, class Allocator> |
| unordered_map(InputIterator, InputIterator, typename see below::size_type, Hash, Allocator) |
| -> unordered_map<iter_key_t<InputIterator>, iter_val_t<InputIterator>, Hash, |
| equal_to<iter_key_t<InputIterator>>, Allocator>; // C++17 |
| |
| template<ranges::input_range R, class Allocator> |
| unordered_map(from_range_t, R&&, typename see below::size_type, Allocator) |
| -> unordered_map<range-key-type<R>, range-mapped-type<R>, hash<range-key-type<R>>, |
| equal_to<range-key-type<R>>, Allocator>; // C++23 |
| |
| template<ranges::input_range R, class Allocator> |
| unordered_map(from_range_t, R&&, Allocator) |
| -> unordered_map<range-key-type<R>, range-mapped-type<R>, hash<range-key-type<R>>, |
| equal_to<range-key-type<R>>, Allocator>; // C++23 |
| |
| template<ranges::input_range R, class Hash, class Allocator> |
| unordered_map(from_range_t, R&&, typename see below::size_type, Hash, Allocator) |
| -> unordered_map<range-key-type<R>, range-mapped-type<R>, Hash, |
| equal_to<range-key-type<R>>, Allocator>; // C++23 |
| |
| template<class Key, class T, typename Allocator> |
| unordered_map(initializer_list<pair<const Key, T>>, typename see below::size_type, Allocator) |
| -> unordered_map<Key, T, hash<Key>, equal_to<Key>, Allocator>; // C++17 |
| |
| template<class Key, class T, typename Allocator> |
| unordered_map(initializer_list<pair<const Key, T>>, Allocator) |
| -> unordered_map<Key, T, hash<Key>, equal_to<Key>, Allocator>; // C++17 |
| |
| template<class Key, class T, class Hash, class Allocator> |
| unordered_map(initializer_list<pair<const Key, T>>, typename see below::size_type, Hash, Allocator) |
| -> unordered_map<Key, T, Hash, equal_to<Key>, Allocator>; // C++17 |
| |
| 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); // Removed in C++20 |
| |
| 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()); |
| template<container-compatible-range<value_type> R> |
| unordered_multimap(from_range_t, R&& rg, size_type n = see below, |
| const hasher& hf = hasher(), const key_equal& eql = key_equal(), |
| const allocator_type& a = allocator_type()); // C++23 |
| 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 |
| template<container-compatible-range<value_type> R> |
| unordered_multimap(from_range_t, R&& rg, size_type n, const allocator_type& a) |
| : unordered_multimap(from_range, std::forward<R>(rg), n, hasher(), key_equal(), a) { } // C++23 |
| template<container-compatible-range<value_type> R> |
| unordered_multimap(from_range_t, R&& rg, size_type n, const hasher& hf, const allocator_type& a) |
| : unordered_multimap(from_range, std::forward<R>(rg), n, hf, key_equal(), a) { } // C++23 |
| 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); |
| template<container-compatible-range<value_type> R> |
| void insert_range(R&& rg); // C++23 |
| 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; |
| template<typename K> |
| iterator find(const K& x); // C++20 |
| template<typename K> |
| const_iterator find(const K& x) const; // C++20 |
| size_type count(const key_type& k) const; |
| template<typename K> |
| size_type count(const K& k) const; // C++20 |
| bool contains(const key_type& k) const; // C++20 |
| template<typename K> |
| bool contains(const K& 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; |
| template<typename K> |
| pair<iterator, iterator> equal_range(const K& k); // C++20 |
| template<typename K> |
| pair<const_iterator, const_iterator> equal_range(const K& k) const; // C++20 |
| |
| 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 InputIterator, |
| class Hash = hash<iter_key_t<InputIterator>>, class Pred = equal_to<iter_key_t<InputIterator>>, |
| class Allocator = allocator<iter_to_alloc_t<InputIterator>>> |
| unordered_multimap(InputIterator, InputIterator, typename see below::size_type = see below, |
| Hash = Hash(), Pred = Pred(), Allocator = Allocator()) |
| -> unordered_multimap<iter_key_t<InputIterator>, iter_value_t<InputIterator>, Hash, Pred, |
| Allocator>; // C++17 |
| |
| template<ranges::input_range R, class Hash = hash<range-key-type<R>>, |
| class Pred = equal_to<range-key-type<R>>, |
| class Allocator = allocator<range-to-alloc-type<R>>> |
| unordered_multimap(from_range_t, R&&, typename see below::size_type = see below, |
| Hash = Hash(), Pred = Pred(), Allocator = Allocator()) |
| -> unordered_multimap<range-key-type<R>, range-mapped-type<R>, Hash, Pred, Allocator>; // C++23 |
| |
| template<class Key, class T, class Hash = hash<Key>, |
| class Pred = equal_to<Key>, class Allocator = allocator<pair<const Key, T>>> |
| unordered_multimap(initializer_list<pair<const Key, T>>, typename see below::size_type = see below, |
| Hash = Hash(), Pred = Pred(), Allocator = Allocator()) |
| -> unordered_multimap<Key, T, Hash, Pred, Allocator>; // C++17 |
| |
| template<class InputIterator, class Allocator> |
| unordered_multimap(InputIterator, InputIterator, typename see below::size_type, Allocator) |
| -> unordered_multimap<iter_key_t<InputIterator>, iter_val_t<InputIterator>, |
| hash<iter_key_t<InputIterator>>, equal_to<iter_key_t<InputIterator>>, Allocator>; // C++17 |
| |
| template<class InputIterator, class Allocator> |
| unordered_multimap(InputIterator, InputIterator, Allocator) |
| -> unordered_multimap<iter_key_t<InputIterator>, iter_val_t<InputIterator>, |
| hash<iter_key_t<InputIterator>>, equal_to<iter_key_t<InputIterator>>, Allocator>; // C++17 |
| |
| template<class InputIterator, class Hash, class Allocator> |
| unordered_multimap(InputIterator, InputIterator, typename see below::size_type, Hash, Allocator) |
| -> unordered_multimap<iter_key_t<InputIterator>, iter_val_t<InputIterator>, Hash, |
| equal_to<iter_key_t<InputIterator>>, Allocator>; // C++17 |
| |
| template<ranges::input_range R, class Allocator> |
| unordered_multimap(from_range_t, R&&, typename see below::size_type, Allocator) |
| -> unordered_multimap<range-key-type<R>, range-mapped-type<R>, hash<range-key-type<R>>, |
| equal_to<range-key-type<R>>, Allocator>; // C++23 |
| |
| template<ranges::input_range R, class Allocator> |
| unordered_multimap(from_range_t, R&&, Allocator) |
| -> unordered_multimap<range-key-type<R>, range-mapped-type<R>, hash<range-key-type<R>>, |
| equal_to<range-key-type<R>>, Allocator>; // C++23 |
| |
| template<ranges::input_range R, class Hash, class Allocator> |
| unordered_multimap(from_range_t, R&&, typename see below::size_type, Hash, Allocator) |
| -> unordered_multimap<range-key-type<R>, range-mapped-type<R>, Hash, |
| equal_to<range-key-type<R>>, Allocator>; // C++23 |
| |
| template<class Key, class T, typename Allocator> |
| unordered_multimap(initializer_list<pair<const Key, T>>, typename see below::size_type, Allocator) |
| -> unordered_multimap<Key, T, hash<Key>, equal_to<Key>, Allocator>; // C++17 |
| |
| template<class Key, class T, typename Allocator> |
| unordered_multimap(initializer_list<pair<const Key, T>>, Allocator) |
| -> unordered_multimap<Key, T, hash<Key>, equal_to<Key>, Allocator>; // C++17 |
| |
| template<class Key, class T, class Hash, class Allocator> |
| unordered_multimap(initializer_list<pair<const Key, T>>, typename see below::size_type, Hash, |
| Allocator) |
| -> unordered_multimap<Key, T, Hash, equal_to<Key>, Allocator>; // C++17 |
| |
| 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> |
| typename unordered_map<K, T, H, P, A>::size_type |
| erase_if(unordered_map<K, T, H, P, A>& c, Predicate pred); // C++20 |
| |
| template <class K, class T, class H, class P, class A, class Predicate> |
| typename unordered_multimap<K, T, H, P, A>::size_type |
| erase_if(unordered_multimap<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); // Removed in C++20 |
| |
| } // std |
| |
| */ |
| |
| #include <__algorithm/is_permutation.h> |
| #include <__assert> |
| #include <__availability> |
| #include <__config> |
| #include <__functional/is_transparent.h> |
| #include <__functional/operations.h> |
| #include <__hash_table> |
| #include <__iterator/distance.h> |
| #include <__iterator/erase_if_container.h> |
| #include <__iterator/iterator_traits.h> |
| #include <__iterator/ranges_iterator_traits.h> |
| #include <__memory/addressof.h> |
| #include <__memory/allocator.h> |
| #include <__memory_resource/polymorphic_allocator.h> |
| #include <__node_handle> |
| #include <__ranges/concepts.h> |
| #include <__ranges/container_compatible_range.h> |
| #include <__ranges/from_range.h> |
| #include <__type_traits/is_allocator.h> |
| #include <__type_traits/type_identity.h> |
| #include <__utility/forward.h> |
| #include <stdexcept> |
| #include <tuple> |
| #include <version> |
| |
| // standard-mandated includes |
| |
| // [iterator.range] |
| #include <__iterator/access.h> |
| #include <__iterator/data.h> |
| #include <__iterator/empty.h> |
| #include <__iterator/reverse_access.h> |
| #include <__iterator/size.h> |
| |
| // [unord.map.syn] |
| #include <compare> |
| #include <initializer_list> |
| |
| #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| # pragma GCC system_header |
| #endif |
| |
| _LIBCPP_PUSH_MACROS |
| #include <__undef_macros> |
| |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| |
| template <class _Key, |
| class _Cp, |
| class _Hash, |
| class _Pred, |
| bool = is_empty<_Hash>::value && !__libcpp_is_final<_Hash>::value> |
| class __unordered_map_hasher : private _Hash { |
| public: |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_hasher() _NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value) : _Hash() {} |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_hasher(const _Hash& __h) _NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value) |
| : _Hash(__h) {} |
| _LIBCPP_HIDE_FROM_ABI const _Hash& hash_function() const _NOEXCEPT { return *this; } |
| _LIBCPP_HIDE_FROM_ABI size_t operator()(const _Cp& __x) const { |
| return static_cast<const _Hash&>(*this)(__x.__get_value().first); |
| } |
| _LIBCPP_HIDE_FROM_ABI size_t operator()(const _Key& __x) const { return static_cast<const _Hash&>(*this)(__x); } |
| #if _LIBCPP_STD_VER >= 20 |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI size_t operator()(const _K2& __x) const { |
| return static_cast<const _Hash&>(*this)(__x); |
| } |
| #endif |
| _LIBCPP_HIDE_FROM_ABI void swap(__unordered_map_hasher& __y) _NOEXCEPT_(__is_nothrow_swappable<_Hash>::value) { |
| using std::swap; |
| swap(static_cast<_Hash&>(*this), static_cast<_Hash&>(__y)); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Hash, class _Pred> |
| class __unordered_map_hasher<_Key, _Cp, _Hash, _Pred, false> { |
| _Hash __hash_; |
| |
| public: |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_hasher() _NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value) |
| : __hash_() {} |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_hasher(const _Hash& __h) _NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value) |
| : __hash_(__h) {} |
| _LIBCPP_HIDE_FROM_ABI const _Hash& hash_function() const _NOEXCEPT { return __hash_; } |
| _LIBCPP_HIDE_FROM_ABI size_t operator()(const _Cp& __x) const { return __hash_(__x.__get_value().first); } |
| _LIBCPP_HIDE_FROM_ABI size_t operator()(const _Key& __x) const { return __hash_(__x); } |
| #if _LIBCPP_STD_VER >= 20 |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI size_t operator()(const _K2& __x) const { |
| return __hash_(__x); |
| } |
| #endif |
| _LIBCPP_HIDE_FROM_ABI void swap(__unordered_map_hasher& __y) _NOEXCEPT_(__is_nothrow_swappable<_Hash>::value) { |
| using std::swap; |
| swap(__hash_, __y.__hash_); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Hash, class _Pred, bool __b> |
| inline _LIBCPP_HIDE_FROM_ABI void |
| swap(__unordered_map_hasher<_Key, _Cp, _Hash, _Pred, __b>& __x, |
| __unordered_map_hasher<_Key, _Cp, _Hash, _Pred, __b>& __y) _NOEXCEPT_(_NOEXCEPT_(__x.swap(__y))) { |
| __x.swap(__y); |
| } |
| |
| template <class _Key, |
| class _Cp, |
| class _Pred, |
| class _Hash, |
| bool = is_empty<_Pred>::value && !__libcpp_is_final<_Pred>::value> |
| class __unordered_map_equal : private _Pred { |
| public: |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_equal() _NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value) : _Pred() {} |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_equal(const _Pred& __p) _NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value) |
| : _Pred(__p) {} |
| _LIBCPP_HIDE_FROM_ABI const _Pred& key_eq() const _NOEXCEPT { return *this; } |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Cp& __x, const _Cp& __y) const { |
| return static_cast<const _Pred&>(*this)(__x.__get_value().first, __y.__get_value().first); |
| } |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Cp& __x, const _Key& __y) const { |
| return static_cast<const _Pred&>(*this)(__x.__get_value().first, __y); |
| } |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Key& __x, const _Cp& __y) const { |
| return static_cast<const _Pred&>(*this)(__x, __y.__get_value().first); |
| } |
| #if _LIBCPP_STD_VER >= 20 |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Cp& __x, const _K2& __y) const { |
| return static_cast<const _Pred&>(*this)(__x.__get_value().first, __y); |
| } |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _K2& __x, const _Cp& __y) const { |
| return static_cast<const _Pred&>(*this)(__x, __y.__get_value().first); |
| } |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Key& __x, const _K2& __y) const { |
| return static_cast<const _Pred&>(*this)(__x, __y); |
| } |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _K2& __x, const _Key& __y) const { |
| return static_cast<const _Pred&>(*this)(__x, __y); |
| } |
| #endif |
| _LIBCPP_HIDE_FROM_ABI void swap(__unordered_map_equal& __y) _NOEXCEPT_(__is_nothrow_swappable<_Pred>::value) { |
| using std::swap; |
| swap(static_cast<_Pred&>(*this), static_cast<_Pred&>(__y)); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Pred, class _Hash> |
| class __unordered_map_equal<_Key, _Cp, _Pred, _Hash, false> { |
| _Pred __pred_; |
| |
| public: |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_equal() _NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value) |
| : __pred_() {} |
| _LIBCPP_HIDE_FROM_ABI __unordered_map_equal(const _Pred& __p) _NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value) |
| : __pred_(__p) {} |
| _LIBCPP_HIDE_FROM_ABI const _Pred& key_eq() const _NOEXCEPT { return __pred_; } |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Cp& __x, const _Cp& __y) const { |
| return __pred_(__x.__get_value().first, __y.__get_value().first); |
| } |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Cp& __x, const _Key& __y) const { |
| return __pred_(__x.__get_value().first, __y); |
| } |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Key& __x, const _Cp& __y) const { |
| return __pred_(__x, __y.__get_value().first); |
| } |
| #if _LIBCPP_STD_VER >= 20 |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Cp& __x, const _K2& __y) const { |
| return __pred_(__x.__get_value().first, __y); |
| } |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _K2& __x, const _Cp& __y) const { |
| return __pred_(__x, __y.__get_value().first); |
| } |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _Key& __x, const _K2& __y) const { |
| return __pred_(__x, __y); |
| } |
| template <typename _K2> |
| _LIBCPP_HIDE_FROM_ABI bool operator()(const _K2& __x, const _Key& __y) const { |
| return __pred_(__x, __y); |
| } |
| #endif |
| _LIBCPP_HIDE_FROM_ABI void swap(__unordered_map_equal& __y) _NOEXCEPT_(__is_nothrow_swappable<_Pred>::value) { |
| using std::swap; |
| swap(__pred_, __y.__pred_); |
| } |
| }; |
| |
| template <class _Key, class _Cp, class _Pred, class _Hash, bool __b> |
| inline _LIBCPP_HIDE_FROM_ABI void |
| swap(__unordered_map_equal<_Key, _Cp, _Pred, _Hash, __b>& __x, __unordered_map_equal<_Key, _Cp, _Pred, _Hash, __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_HIDE_FROM_ABI explicit __hash_map_node_destructor(allocator_type& __na) _NOEXCEPT |
| : __na_(__na), |
| __first_constructed(false), |
| __second_constructed(false) {} |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_HIDE_FROM_ABI __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_HIDE_FROM_ABI __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_HIDE_FROM_ABI void operator()(pointer __p) _NOEXCEPT { |
| if (__second_constructed) |
| __alloc_traits::destroy(__na_, std::addressof(__p->__get_value().__get_value().second)); |
| if (__first_constructed) |
| __alloc_traits::destroy(__na_, std::addressof(__p->__get_value().__get_value().first)); |
| if (__p) |
| __alloc_traits::deallocate(__na_, __p, 1); |
| } |
| }; |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| template <class _Key, class _Tp> |
| struct _LIBCPP_STANDALONE_DEBUG __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_HIDE_FROM_ABI value_type& __get_value() { |
| # if _LIBCPP_STD_VER >= 17 |
| return *std::launder(std::addressof(__cc_)); |
| # else |
| return __cc_; |
| # endif |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI const value_type& __get_value() const { |
| # if _LIBCPP_STD_VER >= 17 |
| return *std::launder(std::addressof(__cc_)); |
| # else |
| return __cc_; |
| # endif |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI __nc_ref_pair_type __ref() { |
| value_type& __v = __get_value(); |
| return __nc_ref_pair_type(const_cast<key_type&>(__v.first), __v.second); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI __nc_rref_pair_type __move() { |
| value_type& __v = __get_value(); |
| return __nc_rref_pair_type(std::move(const_cast<key_type&>(__v.first)), std::move(__v.second)); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI __hash_value_type& operator=(const __hash_value_type& __v) { |
| __ref() = __v.__get_value(); |
| return *this; |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI __hash_value_type& operator=(__hash_value_type&& __v) { |
| __ref() = __v.__move(); |
| return *this; |
| } |
| |
| template <class _ValueTp, __enable_if_t<__is_same_uncvref<_ValueTp, value_type>::value, int> = 0> |
| _LIBCPP_HIDE_FROM_ABI __hash_value_type& operator=(_ValueTp&& __v) { |
| __ref() = std::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_HIDE_FROM_ABI value_type& __get_value() { return __cc_; } |
| _LIBCPP_HIDE_FROM_ABI 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_HIDE_FROM_ABI __hash_map_iterator() _NOEXCEPT {} |
| |
| _LIBCPP_HIDE_FROM_ABI __hash_map_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {} |
| |
| _LIBCPP_HIDE_FROM_ABI reference operator*() const { return __i_->__get_value(); } |
| _LIBCPP_HIDE_FROM_ABI pointer operator->() const { return pointer_traits<pointer>::pointer_to(__i_->__get_value()); } |
| |
| _LIBCPP_HIDE_FROM_ABI __hash_map_iterator& operator++() { |
| ++__i_; |
| return *this; |
| } |
| _LIBCPP_HIDE_FROM_ABI __hash_map_iterator operator++(int) { |
| __hash_map_iterator __t(*this); |
| ++(*this); |
| return __t; |
| } |
| |
| friend _LIBCPP_HIDE_FROM_ABI bool operator==(const __hash_map_iterator& __x, const __hash_map_iterator& __y) { |
| return __x.__i_ == __y.__i_; |
| } |
| #if _LIBCPP_STD_VER <= 17 |
| friend _LIBCPP_HIDE_FROM_ABI bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y) { |
| return __x.__i_ != __y.__i_; |
| } |
| #endif |
| |
| 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_HIDE_FROM_ABI __hash_map_const_iterator() _NOEXCEPT {} |
| |
| _LIBCPP_HIDE_FROM_ABI __hash_map_const_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {} |
| _LIBCPP_HIDE_FROM_ABI |
| __hash_map_const_iterator(__hash_map_iterator<typename _HashIterator::__non_const_iterator> __i) _NOEXCEPT |
| : __i_(__i.__i_) {} |
| |
| _LIBCPP_HIDE_FROM_ABI reference operator*() const { return __i_->__get_value(); } |
| _LIBCPP_HIDE_FROM_ABI pointer operator->() const { return pointer_traits<pointer>::pointer_to(__i_->__get_value()); } |
| |
| _LIBCPP_HIDE_FROM_ABI __hash_map_const_iterator& operator++() { |
| ++__i_; |
| return *this; |
| } |
| _LIBCPP_HIDE_FROM_ABI __hash_map_const_iterator operator++(int) { |
| __hash_map_const_iterator __t(*this); |
| ++(*this); |
| return __t; |
| } |
| |
| friend _LIBCPP_HIDE_FROM_ABI bool |
| operator==(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y) { |
| return __x.__i_ == __y.__i_; |
| } |
| #if _LIBCPP_STD_VER <= 17 |
| friend _LIBCPP_HIDE_FROM_ABI bool |
| operator!=(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y) { |
| return __x.__i_ != __y.__i_; |
| } |
| #endif |
| |
| 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 __type_identity_t<_Hash> hasher; |
| typedef __type_identity_t<_Pred> key_equal; |
| typedef __type_identity_t<_Alloc> 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), |
| "Allocator::value_type must be same type as value_type"); |
| |
| private: |
| typedef __hash_value_type<key_type, mapped_type> __value_type; |
| typedef __unordered_map_hasher<key_type, __value_type, hasher, key_equal> __hasher; |
| typedef __unordered_map_equal<key_type, __value_type, key_equal, hasher> __key_equal; |
| typedef __rebind_alloc<allocator_traits<allocator_type>, __value_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<allocator_type, __rebind_alloc<__alloc_traits, value_type> >::value, |
| "[allocator.requirements] states that rebinding an allocator to the same type should result in the " |
| "original allocator"); |
| |
| 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 >= 17 |
| 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_HIDE_FROM_ABI unordered_map() _NOEXCEPT_(is_nothrow_default_constructible<__table>::value) {} |
| explicit _LIBCPP_HIDE_FROM_ABI |
| unordered_map(size_type __n, const hasher& __hf = hasher(), const key_equal& __eql = key_equal()); |
| _LIBCPP_HIDE_FROM_ABI |
| unordered_map(size_type __n, const hasher& __hf, const key_equal& __eql, const allocator_type& __a); |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI unordered_map(_InputIterator __first, _InputIterator __last); |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI |
| unordered_map(_InputIterator __first, |
| _InputIterator __last, |
| size_type __n, |
| const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI unordered_map( |
| _InputIterator __first, |
| _InputIterator __last, |
| size_type __n, |
| const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| |
| #if _LIBCPP_STD_VER >= 23 |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI unordered_map( |
| from_range_t, |
| _Range&& __range, |
| size_type __n = /*implementation-defined*/ 0, |
| const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal(), |
| const allocator_type& __a = allocator_type()) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) { |
| if (__n > 0) { |
| __table_.__rehash_unique(__n); |
| } |
| insert_range(std::forward<_Range>(__range)); |
| } |
| #endif |
| |
| _LIBCPP_HIDE_FROM_ABI explicit unordered_map(const allocator_type& __a); |
| _LIBCPP_HIDE_FROM_ABI unordered_map(const unordered_map& __u); |
| _LIBCPP_HIDE_FROM_ABI unordered_map(const unordered_map& __u, const allocator_type& __a); |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_HIDE_FROM_ABI unordered_map(unordered_map&& __u) _NOEXCEPT_(is_nothrow_move_constructible<__table>::value); |
| _LIBCPP_HIDE_FROM_ABI unordered_map(unordered_map&& __u, const allocator_type& __a); |
| _LIBCPP_HIDE_FROM_ABI unordered_map(initializer_list<value_type> __il); |
| _LIBCPP_HIDE_FROM_ABI |
| unordered_map(initializer_list<value_type> __il, |
| size_type __n, |
| const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| _LIBCPP_HIDE_FROM_ABI 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 >= 14 |
| _LIBCPP_HIDE_FROM_ABI unordered_map(size_type __n, const allocator_type& __a) |
| : unordered_map(__n, hasher(), key_equal(), __a) {} |
| _LIBCPP_HIDE_FROM_ABI unordered_map(size_type __n, const hasher& __hf, const allocator_type& __a) |
| : unordered_map(__n, __hf, key_equal(), __a) {} |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI |
| 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_HIDE_FROM_ABI 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) {} |
| |
| # if _LIBCPP_STD_VER >= 23 |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI unordered_map(from_range_t, _Range&& __range, size_type __n, const allocator_type& __a) |
| : unordered_map(from_range, std::forward<_Range>(__range), __n, hasher(), key_equal(), __a) {} |
| |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI |
| unordered_map(from_range_t, _Range&& __range, size_type __n, const hasher& __hf, const allocator_type& __a) |
| : unordered_map(from_range, std::forward<_Range>(__range), __n, __hf, key_equal(), __a) {} |
| # endif |
| |
| _LIBCPP_HIDE_FROM_ABI unordered_map(initializer_list<value_type> __il, size_type __n, const allocator_type& __a) |
| : unordered_map(__il, __n, hasher(), key_equal(), __a) {} |
| _LIBCPP_HIDE_FROM_ABI |
| 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_HIDE_FROM_ABI ~unordered_map() { |
| static_assert(sizeof(std::__diagnose_unordered_container_requirements<_Key, _Hash, _Pred>(0)), ""); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI unordered_map& operator=(const unordered_map& __u) { |
| #ifndef _LIBCPP_CXX03_LANG |
| __table_ = __u.__table_; |
| #else |
| if (this != std::addressof(__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_HIDE_FROM_ABI unordered_map& operator=(unordered_map&& __u) |
| _NOEXCEPT_(is_nothrow_move_assignable<__table>::value); |
| _LIBCPP_HIDE_FROM_ABI unordered_map& operator=(initializer_list<value_type> __il); |
| #endif // _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_HIDE_FROM_ABI allocator_type get_allocator() const _NOEXCEPT { |
| return allocator_type(__table_.__node_alloc()); |
| } |
| |
| _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI bool empty() const _NOEXCEPT { return __table_.size() == 0; } |
| _LIBCPP_HIDE_FROM_ABI size_type size() const _NOEXCEPT { return __table_.size(); } |
| _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT { return __table_.max_size(); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT { return __table_.begin(); } |
| _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT { return __table_.end(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT { return __table_.begin(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT { return __table_.end(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const _NOEXCEPT { return __table_.begin(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator cend() const _NOEXCEPT { return __table_.end(); } |
| |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert(const value_type& __x) { return __table_.__insert_unique(__x); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator, const value_type& __x) { return insert(__x).first; } |
| |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI void insert(_InputIterator __first, _InputIterator __last); |
| |
| #if _LIBCPP_STD_VER >= 23 |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI void insert_range(_Range&& __range) { |
| for (auto&& __element : __range) { |
| __table_.__insert_unique(std::forward<decltype(__element)>(__element)); |
| } |
| } |
| #endif |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_HIDE_FROM_ABI void insert(initializer_list<value_type> __il) { insert(__il.begin(), __il.end()); } |
| |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert(value_type&& __x) { |
| return __table_.__insert_unique(std::move(__x)); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator, value_type&& __x) { |
| return __table_.__insert_unique(std::move(__x)).first; |
| } |
| |
| template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert(_Pp&& __x) { |
| return __table_.__insert_unique(std::forward<_Pp>(__x)); |
| } |
| |
| template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0> |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator, _Pp&& __x) { |
| return insert(std::forward<_Pp>(__x)).first; |
| } |
| |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> emplace(_Args&&... __args) { |
| return __table_.__emplace_unique(std::forward<_Args>(__args)...); |
| } |
| |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI iterator emplace_hint(const_iterator, _Args&&... __args) { |
| return __table_.__emplace_unique(std::forward<_Args>(__args)...).first; |
| } |
| |
| #endif // _LIBCPP_CXX03_LANG |
| |
| #if _LIBCPP_STD_VER >= 17 |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> try_emplace(const key_type& __k, _Args&&... __args) { |
| return __table_.__emplace_unique_key_args( |
| __k, piecewise_construct, std::forward_as_tuple(__k), std::forward_as_tuple(std::forward<_Args>(__args)...)); |
| } |
| |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> try_emplace(key_type&& __k, _Args&&... __args) { |
| return __table_.__emplace_unique_key_args( |
| __k, |
| piecewise_construct, |
| std::forward_as_tuple(std::move(__k)), |
| std::forward_as_tuple(std::forward<_Args>(__args)...)); |
| } |
| |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI iterator try_emplace(const_iterator, const key_type& __k, _Args&&... __args) { |
| return try_emplace(__k, std::forward<_Args>(__args)...).first; |
| } |
| |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI iterator try_emplace(const_iterator, key_type&& __k, _Args&&... __args) { |
| return try_emplace(std::move(__k), std::forward<_Args>(__args)...).first; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert_or_assign(const key_type& __k, _Vp&& __v) { |
| pair<iterator, bool> __res = __table_.__emplace_unique_key_args(__k, __k, std::forward<_Vp>(__v)); |
| if (!__res.second) { |
| __res.first->second = std::forward<_Vp>(__v); |
| } |
| return __res; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, bool> insert_or_assign(key_type&& __k, _Vp&& __v) { |
| pair<iterator, bool> __res = __table_.__emplace_unique_key_args(__k, std::move(__k), std::forward<_Vp>(__v)); |
| if (!__res.second) { |
| __res.first->second = std::forward<_Vp>(__v); |
| } |
| return __res; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_HIDE_FROM_ABI iterator insert_or_assign(const_iterator, const key_type& __k, _Vp&& __v) { |
| return insert_or_assign(__k, std::forward<_Vp>(__v)).first; |
| } |
| |
| template <class _Vp> |
| _LIBCPP_HIDE_FROM_ABI iterator insert_or_assign(const_iterator, key_type&& __k, _Vp&& __v) { |
| return insert_or_assign(std::move(__k), std::forward<_Vp>(__v)).first; |
| } |
| #endif // _LIBCPP_STD_VER >= 17 |
| |
| _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __p) { return __table_.erase(__p.__i_); } |
| _LIBCPP_HIDE_FROM_ABI iterator erase(iterator __p) { return __table_.erase(__p.__i_); } |
| _LIBCPP_HIDE_FROM_ABI size_type erase(const key_type& __k) { return __table_.__erase_unique(__k); } |
| _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __first, const_iterator __last) { |
| return __table_.erase(__first.__i_, __last.__i_); |
| } |
| _LIBCPP_HIDE_FROM_ABI void clear() _NOEXCEPT { __table_.clear(); } |
| |
| #if _LIBCPP_STD_VER >= 17 |
| _LIBCPP_HIDE_FROM_ABI insert_return_type insert(node_type&& __nh) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__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>(std::move(__nh)); |
| } |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __hint, node_type&& __nh) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__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_, std::move(__nh)); |
| } |
| _LIBCPP_HIDE_FROM_ABI node_type extract(key_type const& __key) { |
| return __table_.template __node_handle_extract<node_type>(__key); |
| } |
| _LIBCPP_HIDE_FROM_ABI node_type extract(const_iterator __it) { |
| return __table_.template __node_handle_extract<node_type>(__it.__i_); |
| } |
| |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_unique(__source.__table_); |
| } |
| #endif |
| |
| _LIBCPP_HIDE_FROM_ABI void swap(unordered_map& __u) _NOEXCEPT_(__is_nothrow_swappable<__table>::value) { |
| __table_.swap(__u.__table_); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI hasher hash_function() const { return __table_.hash_function().hash_function(); } |
| _LIBCPP_HIDE_FROM_ABI key_equal key_eq() const { return __table_.key_eq().key_eq(); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator find(const key_type& __k) { return __table_.find(__k); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator find(const key_type& __k) const { return __table_.find(__k); } |
| #if _LIBCPP_STD_VER >= 20 |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI iterator find(const _K2& __k) { |
| return __table_.find(__k); |
| } |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI const_iterator find(const _K2& __k) const { |
| return __table_.find(__k); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_HIDE_FROM_ABI size_type count(const key_type& __k) const { return __table_.__count_unique(__k); } |
| #if _LIBCPP_STD_VER >= 20 |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI size_type count(const _K2& __k) const { |
| return __table_.__count_unique(__k); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| #if _LIBCPP_STD_VER >= 20 |
| _LIBCPP_HIDE_FROM_ABI bool contains(const key_type& __k) const { return find(__k) != end(); } |
| |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI bool contains(const _K2& __k) const { |
| return find(__k) != end(); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, iterator> equal_range(const key_type& __k) { |
| return __table_.__equal_range_unique(__k); |
| } |
| _LIBCPP_HIDE_FROM_ABI pair<const_iterator, const_iterator> equal_range(const key_type& __k) const { |
| return __table_.__equal_range_unique(__k); |
| } |
| #if _LIBCPP_STD_VER >= 20 |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, iterator> equal_range(const _K2& __k) { |
| return __table_.__equal_range_unique(__k); |
| } |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI pair<const_iterator, const_iterator> equal_range(const _K2& __k) const { |
| return __table_.__equal_range_unique(__k); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](const key_type& __k); |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_HIDE_FROM_ABI mapped_type& operator[](key_type&& __k); |
| #endif |
| |
| _LIBCPP_HIDE_FROM_ABI mapped_type& at(const key_type& __k); |
| _LIBCPP_HIDE_FROM_ABI const mapped_type& at(const key_type& __k) const; |
| |
| _LIBCPP_HIDE_FROM_ABI size_type bucket_count() const _NOEXCEPT { return __table_.bucket_count(); } |
| _LIBCPP_HIDE_FROM_ABI size_type max_bucket_count() const _NOEXCEPT { return __table_.max_bucket_count(); } |
| |
| _LIBCPP_HIDE_FROM_ABI size_type bucket_size(size_type __n) const { return __table_.bucket_size(__n); } |
| _LIBCPP_HIDE_FROM_ABI size_type bucket(const key_type& __k) const { return __table_.bucket(__k); } |
| |
| _LIBCPP_HIDE_FROM_ABI local_iterator begin(size_type __n) { return __table_.begin(__n); } |
| _LIBCPP_HIDE_FROM_ABI local_iterator end(size_type __n) { return __table_.end(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator begin(size_type __n) const { return __table_.cbegin(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator end(size_type __n) const { return __table_.cend(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator cbegin(size_type __n) const { return __table_.cbegin(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator cend(size_type __n) const { return __table_.cend(__n); } |
| |
| _LIBCPP_HIDE_FROM_ABI float load_factor() const _NOEXCEPT { return __table_.load_factor(); } |
| _LIBCPP_HIDE_FROM_ABI float max_load_factor() const _NOEXCEPT { return __table_.max_load_factor(); } |
| _LIBCPP_HIDE_FROM_ABI void max_load_factor(float __mlf) { __table_.max_load_factor(__mlf); } |
| _LIBCPP_HIDE_FROM_ABI void rehash(size_type __n) { __table_.__rehash_unique(__n); } |
| _LIBCPP_HIDE_FROM_ABI void reserve(size_type __n) { __table_.__reserve_unique(__n); } |
| |
| private: |
| #ifdef _LIBCPP_CXX03_LANG |
| _LIBCPP_HIDE_FROM_ABI __node_holder __construct_node_with_key(const key_type& __k); |
| #endif |
| }; |
| |
| #if _LIBCPP_STD_VER >= 17 |
| 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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<!__is_allocator<_Pred>::value>, |
| class = enable_if_t<__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>; |
| |
| # if _LIBCPP_STD_VER >= 23 |
| template <ranges::input_range _Range, |
| class _Hash = hash<__range_key_type<_Range>>, |
| class _Pred = equal_to<__range_key_type<_Range>>, |
| class _Allocator = allocator<__range_to_alloc_type<_Range>>, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<!__is_allocator<_Pred>::value>, |
| class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_map(from_range_t, |
| _Range&&, |
| typename allocator_traits<_Allocator>::size_type = 0, |
| _Hash = _Hash(), |
| _Pred = _Pred(), |
| _Allocator = _Allocator()) |
| -> unordered_map<__range_key_type<_Range>, __range_mapped_type<_Range>, _Hash, _Pred, _Allocator>; // C++23 |
| # endif |
| |
| 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 = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<!__is_allocator<_Pred>::value>, |
| class = enable_if_t<__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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<__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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<__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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<__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>; |
| |
| # if _LIBCPP_STD_VER >= 23 |
| |
| template <ranges::input_range _Range, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_map(from_range_t, _Range&&, typename allocator_traits<_Allocator>::size_type, _Allocator) |
| -> unordered_map<__range_key_type<_Range>, |
| __range_mapped_type<_Range>, |
| hash<__range_key_type<_Range>>, |
| equal_to<__range_key_type<_Range>>, |
| _Allocator>; |
| |
| template <ranges::input_range _Range, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_map(from_range_t, _Range&&, _Allocator) |
| -> unordered_map<__range_key_type<_Range>, |
| __range_mapped_type<_Range>, |
| hash<__range_key_type<_Range>>, |
| equal_to<__range_key_type<_Range>>, |
| _Allocator>; |
| |
| template <ranges::input_range _Range, |
| class _Hash, |
| class _Allocator, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_map(from_range_t, _Range&&, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator) |
| -> unordered_map<__range_key_type<_Range>, |
| __range_mapped_type<_Range>, |
| _Hash, |
| equal_to<__range_key_type<_Range>>, |
| _Allocator>; |
| |
| # endif |
| |
| template <class _Key, class _Tp, class _Allocator, class = enable_if_t<__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 = enable_if_t<__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 = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<__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) { |
| __table_.__rehash_unique(__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)) { |
| __table_.__rehash_unique(__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)) {} |
| |
| 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) { |
| 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) { |
| __table_.__rehash_unique(__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)) { |
| __table_.__rehash_unique(__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_) { |
| __table_.__rehash_unique(__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)) { |
| __table_.__rehash_unique(__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_(std::move(__u.__table_)) {} |
| |
| 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_(std::move(__u.__table_), typename __table::allocator_type(__a)) { |
| if (__a != __u.get_allocator()) { |
| iterator __i = __u.begin(); |
| while (__u.size() != 0) { |
| __table_.__emplace_unique(__u.__table_.remove((__i++).__i_)->__get_value().__move()); |
| } |
| } |
| } |
| |
| 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) { |
| 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) { |
| __table_.__rehash_unique(__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)) { |
| __table_.__rehash_unique(__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_ = std::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, 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, 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, std::addressof(__h->__get_value().__get_value().first), __k); |
| __h.get_deleter().__first_constructed = true; |
| __node_traits::construct(__na, std::addressof(__h->__get_value().__get_value().second)); |
| __h.get_deleter().__second_constructed = true; |
| return __h; |
| } |
| |
| 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_LANG |
| |
| 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_HIDE_FROM_ABI 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 >= 20 |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate> |
| inline _LIBCPP_HIDE_FROM_ABI typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type |
| erase_if(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred) { |
| return std::__libcpp_erase_if_container(__c, __pred); |
| } |
| #endif |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| _LIBCPP_HIDE_FROM_ABI 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; |
| } |
| |
| #if _LIBCPP_STD_VER <= 17 |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) { |
| return !(__x == __y); |
| } |
| |
| #endif |
| |
| 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 __type_identity_t<_Hash> hasher; |
| typedef __type_identity_t<_Pred> key_equal; |
| typedef __type_identity_t<_Alloc> 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), |
| "Allocator::value_type must be same type as value_type"); |
| |
| private: |
| typedef __hash_value_type<key_type, mapped_type> __value_type; |
| typedef __unordered_map_hasher<key_type, __value_type, hasher, key_equal> __hasher; |
| typedef __unordered_map_equal<key_type, __value_type, key_equal, hasher> __key_equal; |
| typedef __rebind_alloc<allocator_traits<allocator_type>, __value_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"); |
| |
| static_assert(is_same<allocator_type, __rebind_alloc<__alloc_traits, value_type> >::value, |
| "[allocator.requirements] states that rebinding an allocator to the same type should result in the " |
| "original allocator"); |
| |
| 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 >= 17 |
| 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_HIDE_FROM_ABI unordered_multimap() _NOEXCEPT_(is_nothrow_default_constructible<__table>::value) {} |
| explicit _LIBCPP_HIDE_FROM_ABI |
| unordered_multimap(size_type __n, const hasher& __hf = hasher(), const key_equal& __eql = key_equal()); |
| _LIBCPP_HIDE_FROM_ABI |
| unordered_multimap(size_type __n, const hasher& __hf, const key_equal& __eql, const allocator_type& __a); |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(_InputIterator __first, _InputIterator __last); |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap( |
| _InputIterator __first, |
| _InputIterator __last, |
| size_type __n, |
| const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap( |
| _InputIterator __first, |
| _InputIterator __last, |
| size_type __n, |
| const hasher& __hf, |
| const key_equal& __eql, |
| const allocator_type& __a); |
| |
| #if _LIBCPP_STD_VER >= 23 |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap( |
| from_range_t, |
| _Range&& __range, |
| size_type __n = /*implementation-defined*/ 0, |
| const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal(), |
| const allocator_type& __a = allocator_type()) |
| : __table_(__hf, __eql, typename __table::allocator_type(__a)) { |
| if (__n > 0) { |
| __table_.__rehash_multi(__n); |
| } |
| insert_range(std::forward<_Range>(__range)); |
| } |
| #endif |
| |
| _LIBCPP_HIDE_FROM_ABI explicit unordered_multimap(const allocator_type& __a); |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(const unordered_multimap& __u); |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(const unordered_multimap& __u, const allocator_type& __a); |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(unordered_multimap&& __u) |
| _NOEXCEPT_(is_nothrow_move_constructible<__table>::value); |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(unordered_multimap&& __u, const allocator_type& __a); |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(initializer_list<value_type> __il); |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap( |
| initializer_list<value_type> __il, |
| size_type __n, |
| const hasher& __hf = hasher(), |
| const key_equal& __eql = key_equal()); |
| _LIBCPP_HIDE_FROM_ABI 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 >= 14 |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(size_type __n, const allocator_type& __a) |
| : unordered_multimap(__n, hasher(), key_equal(), __a) {} |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(size_type __n, const hasher& __hf, const allocator_type& __a) |
| : unordered_multimap(__n, __hf, key_equal(), __a) {} |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI |
| 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_HIDE_FROM_ABI 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) {} |
| |
| # if _LIBCPP_STD_VER >= 23 |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(from_range_t, _Range&& __range, size_type __n, const allocator_type& __a) |
| : unordered_multimap(from_range, std::forward<_Range>(__range), __n, hasher(), key_equal(), __a) {} |
| |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI |
| unordered_multimap(from_range_t, _Range&& __range, size_type __n, const hasher& __hf, const allocator_type& __a) |
| : unordered_multimap(from_range, std::forward<_Range>(__range), __n, __hf, key_equal(), __a) {} |
| # endif |
| |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap(initializer_list<value_type> __il, size_type __n, const allocator_type& __a) |
| : unordered_multimap(__il, __n, hasher(), key_equal(), __a) {} |
| _LIBCPP_HIDE_FROM_ABI |
| 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_HIDE_FROM_ABI ~unordered_multimap() { |
| static_assert(sizeof(std::__diagnose_unordered_container_requirements<_Key, _Hash, _Pred>(0)), ""); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap& operator=(const unordered_multimap& __u) { |
| #ifndef _LIBCPP_CXX03_LANG |
| __table_ = __u.__table_; |
| #else |
| if (this != std::addressof(__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_HIDE_FROM_ABI unordered_multimap& operator=(unordered_multimap&& __u) |
| _NOEXCEPT_(is_nothrow_move_assignable<__table>::value); |
| _LIBCPP_HIDE_FROM_ABI unordered_multimap& operator=(initializer_list<value_type> __il); |
| #endif // _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_HIDE_FROM_ABI allocator_type get_allocator() const _NOEXCEPT { |
| return allocator_type(__table_.__node_alloc()); |
| } |
| |
| _LIBCPP_NODISCARD _LIBCPP_HIDE_FROM_ABI bool empty() const _NOEXCEPT { return __table_.size() == 0; } |
| _LIBCPP_HIDE_FROM_ABI size_type size() const _NOEXCEPT { return __table_.size(); } |
| _LIBCPP_HIDE_FROM_ABI size_type max_size() const _NOEXCEPT { return __table_.max_size(); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator begin() _NOEXCEPT { return __table_.begin(); } |
| _LIBCPP_HIDE_FROM_ABI iterator end() _NOEXCEPT { return __table_.end(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator begin() const _NOEXCEPT { return __table_.begin(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator end() const _NOEXCEPT { return __table_.end(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator cbegin() const _NOEXCEPT { return __table_.begin(); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator cend() const _NOEXCEPT { return __table_.end(); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const value_type& __x) { return __table_.__insert_multi(__x); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __p, const value_type& __x) { |
| return __table_.__insert_multi(__p.__i_, __x); |
| } |
| |
| template <class _InputIterator> |
| _LIBCPP_HIDE_FROM_ABI void insert(_InputIterator __first, _InputIterator __last); |
| |
| #if _LIBCPP_STD_VER >= 23 |
| template <_ContainerCompatibleRange<value_type> _Range> |
| _LIBCPP_HIDE_FROM_ABI void insert_range(_Range&& __range) { |
| for (auto&& __element : __range) { |
| __table_.__insert_multi(std::forward<decltype(__element)>(__element)); |
| } |
| } |
| #endif |
| |
| #ifndef _LIBCPP_CXX03_LANG |
| _LIBCPP_HIDE_FROM_ABI void insert(initializer_list<value_type> __il) { insert(__il.begin(), __il.end()); } |
| _LIBCPP_HIDE_FROM_ABI iterator insert(value_type&& __x) { return __table_.__insert_multi(std::move(__x)); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __p, value_type&& __x) { |
| return __table_.__insert_multi(__p.__i_, std::move(__x)); |
| } |
| |
| template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0> |
| _LIBCPP_HIDE_FROM_ABI iterator insert(_Pp&& __x) { |
| return __table_.__insert_multi(std::forward<_Pp>(__x)); |
| } |
| |
| template <class _Pp, __enable_if_t<is_constructible<value_type, _Pp>::value, int> = 0> |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __p, _Pp&& __x) { |
| return __table_.__insert_multi(__p.__i_, std::forward<_Pp>(__x)); |
| } |
| |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI iterator emplace(_Args&&... __args) { |
| return __table_.__emplace_multi(std::forward<_Args>(__args)...); |
| } |
| |
| template <class... _Args> |
| _LIBCPP_HIDE_FROM_ABI iterator emplace_hint(const_iterator __p, _Args&&... __args) { |
| return __table_.__emplace_hint_multi(__p.__i_, std::forward<_Args>(__args)...); |
| } |
| #endif // _LIBCPP_CXX03_LANG |
| |
| _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __p) { return __table_.erase(__p.__i_); } |
| _LIBCPP_HIDE_FROM_ABI iterator erase(iterator __p) { return __table_.erase(__p.__i_); } |
| _LIBCPP_HIDE_FROM_ABI size_type erase(const key_type& __k) { return __table_.__erase_multi(__k); } |
| _LIBCPP_HIDE_FROM_ABI iterator erase(const_iterator __first, const_iterator __last) { |
| return __table_.erase(__first.__i_, __last.__i_); |
| } |
| _LIBCPP_HIDE_FROM_ABI void clear() _NOEXCEPT { __table_.clear(); } |
| |
| #if _LIBCPP_STD_VER >= 17 |
| _LIBCPP_HIDE_FROM_ABI iterator insert(node_type&& __nh) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__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>(std::move(__nh)); |
| } |
| _LIBCPP_HIDE_FROM_ABI iterator insert(const_iterator __hint, node_type&& __nh) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR(__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_, std::move(__nh)); |
| } |
| _LIBCPP_HIDE_FROM_ABI node_type extract(key_type const& __key) { |
| return __table_.template __node_handle_extract<node_type>(__key); |
| } |
| _LIBCPP_HIDE_FROM_ABI node_type extract(const_iterator __it) { |
| return __table_.template __node_handle_extract<node_type>(__it.__i_); |
| } |
| |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| template <class _H2, class _P2> |
| _LIBCPP_HIDE_FROM_ABI void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>&& __source) { |
| _LIBCPP_ASSERT_COMPATIBLE_ALLOCATOR( |
| __source.get_allocator() == get_allocator(), "merging container with incompatible allocator"); |
| return __table_.__node_handle_merge_multi(__source.__table_); |
| } |
| #endif |
| |
| _LIBCPP_HIDE_FROM_ABI void swap(unordered_multimap& __u) _NOEXCEPT_(__is_nothrow_swappable<__table>::value) { |
| __table_.swap(__u.__table_); |
| } |
| |
| _LIBCPP_HIDE_FROM_ABI hasher hash_function() const { return __table_.hash_function().hash_function(); } |
| _LIBCPP_HIDE_FROM_ABI key_equal key_eq() const { return __table_.key_eq().key_eq(); } |
| |
| _LIBCPP_HIDE_FROM_ABI iterator find(const key_type& __k) { return __table_.find(__k); } |
| _LIBCPP_HIDE_FROM_ABI const_iterator find(const key_type& __k) const { return __table_.find(__k); } |
| #if _LIBCPP_STD_VER >= 20 |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI iterator find(const _K2& __k) { |
| return __table_.find(__k); |
| } |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI const_iterator find(const _K2& __k) const { |
| return __table_.find(__k); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_HIDE_FROM_ABI size_type count(const key_type& __k) const { return __table_.__count_multi(__k); } |
| #if _LIBCPP_STD_VER >= 20 |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI size_type count(const _K2& __k) const { |
| return __table_.__count_multi(__k); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| #if _LIBCPP_STD_VER >= 20 |
| _LIBCPP_HIDE_FROM_ABI bool contains(const key_type& __k) const { return find(__k) != end(); } |
| |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI bool contains(const _K2& __k) const { |
| return find(__k) != end(); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, iterator> equal_range(const key_type& __k) { |
| return __table_.__equal_range_multi(__k); |
| } |
| _LIBCPP_HIDE_FROM_ABI pair<const_iterator, const_iterator> equal_range(const key_type& __k) const { |
| return __table_.__equal_range_multi(__k); |
| } |
| #if _LIBCPP_STD_VER >= 20 |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI pair<iterator, iterator> equal_range(const _K2& __k) { |
| return __table_.__equal_range_multi(__k); |
| } |
| template <class _K2, |
| enable_if_t<__is_transparent<hasher, _K2>::value && __is_transparent<key_equal, _K2>::value>* = nullptr> |
| _LIBCPP_HIDE_FROM_ABI pair<const_iterator, const_iterator> equal_range(const _K2& __k) const { |
| return __table_.__equal_range_multi(__k); |
| } |
| #endif // _LIBCPP_STD_VER >= 20 |
| |
| _LIBCPP_HIDE_FROM_ABI size_type bucket_count() const _NOEXCEPT { return __table_.bucket_count(); } |
| _LIBCPP_HIDE_FROM_ABI size_type max_bucket_count() const _NOEXCEPT { return __table_.max_bucket_count(); } |
| |
| _LIBCPP_HIDE_FROM_ABI size_type bucket_size(size_type __n) const { return __table_.bucket_size(__n); } |
| _LIBCPP_HIDE_FROM_ABI size_type bucket(const key_type& __k) const { return __table_.bucket(__k); } |
| |
| _LIBCPP_HIDE_FROM_ABI local_iterator begin(size_type __n) { return __table_.begin(__n); } |
| _LIBCPP_HIDE_FROM_ABI local_iterator end(size_type __n) { return __table_.end(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator begin(size_type __n) const { return __table_.cbegin(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator end(size_type __n) const { return __table_.cend(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator cbegin(size_type __n) const { return __table_.cbegin(__n); } |
| _LIBCPP_HIDE_FROM_ABI const_local_iterator cend(size_type __n) const { return __table_.cend(__n); } |
| |
| _LIBCPP_HIDE_FROM_ABI float load_factor() const _NOEXCEPT { return __table_.load_factor(); } |
| _LIBCPP_HIDE_FROM_ABI float max_load_factor() const _NOEXCEPT { return __table_.max_load_factor(); } |
| _LIBCPP_HIDE_FROM_ABI void max_load_factor(float __mlf) { __table_.max_load_factor(__mlf); } |
| _LIBCPP_HIDE_FROM_ABI void rehash(size_type __n) { __table_.__rehash_multi(__n); } |
| _LIBCPP_HIDE_FROM_ABI void reserve(size_type __n) { __table_.__reserve_multi(__n); } |
| }; |
| |
| #if _LIBCPP_STD_VER >= 17 |
| 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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<!__is_allocator<_Pred>::value>, |
| class = enable_if_t<__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>; |
| |
| # if _LIBCPP_STD_VER >= 23 |
| template <ranges::input_range _Range, |
| class _Hash = hash<__range_key_type<_Range>>, |
| class _Pred = equal_to<__range_key_type<_Range>>, |
| class _Allocator = allocator<__range_to_alloc_type<_Range>>, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<!__is_allocator<_Pred>::value>, |
| class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_multimap(from_range_t, |
| _Range&&, |
| typename allocator_traits<_Allocator>::size_type = 0, |
| _Hash = _Hash(), |
| _Pred = _Pred(), |
| _Allocator = _Allocator()) |
| -> unordered_multimap<__range_key_type<_Range>, __range_mapped_type<_Range>, _Hash, _Pred, _Allocator>; |
| # endif |
| |
| 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 = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<!__is_allocator<_Pred>::value>, |
| class = enable_if_t<__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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<__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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<__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 = enable_if_t<__has_input_iterator_category<_InputIterator>::value>, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<__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>; |
| |
| # if _LIBCPP_STD_VER >= 23 |
| |
| template <ranges::input_range _Range, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_multimap(from_range_t, _Range&&, typename allocator_traits<_Allocator>::size_type, _Allocator) |
| -> unordered_multimap<__range_key_type<_Range>, |
| __range_mapped_type<_Range>, |
| hash<__range_key_type<_Range>>, |
| equal_to<__range_key_type<_Range>>, |
| _Allocator>; |
| |
| template <ranges::input_range _Range, class _Allocator, class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_multimap(from_range_t, _Range&&, _Allocator) |
| -> unordered_multimap<__range_key_type<_Range>, |
| __range_mapped_type<_Range>, |
| hash<__range_key_type<_Range>>, |
| equal_to<__range_key_type<_Range>>, |
| _Allocator>; |
| |
| template <ranges::input_range _Range, |
| class _Hash, |
| class _Allocator, |
| class = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<__is_allocator<_Allocator>::value>> |
| unordered_multimap(from_range_t, _Range&&, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator) |
| -> unordered_multimap<__range_key_type<_Range>, |
| __range_mapped_type<_Range>, |
| _Hash, |
| equal_to<__range_key_type<_Range>>, |
| _Allocator>; |
| |
| # endif |
| |
| template <class _Key, class _Tp, class _Allocator, class = enable_if_t<__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 = enable_if_t<__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 = enable_if_t<!__is_allocator<_Hash>::value>, |
| class = enable_if_t<!is_integral<_Hash>::value>, |
| class = enable_if_t<__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) { |
| __table_.__rehash_multi(__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)) { |
| __table_.__rehash_multi(__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) { |
| 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) { |
| __table_.__rehash_multi(__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)) { |
| __table_.__rehash_multi(__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)) {} |
| |
| 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_) { |
| __table_.__rehash_multi(__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)) { |
| __table_.__rehash_multi(__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_(std::move(__u.__table_)) {} |
| |
| 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_(std::move(__u.__table_), typename __table::allocator_type(__a)) { |
| if (__a != __u.get_allocator()) { |
| iterator __i = __u.begin(); |
| while (__u.size() != 0) { |
| __table_.__insert_multi(__u.__table_.remove((__i++).__i_)->__get_value().__move()); |
| } |
| } |
| } |
| |
| 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) { |
| 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) { |
| __table_.__rehash_multi(__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)) { |
| __table_.__rehash_multi(__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_ = std::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_HIDE_FROM_ABI 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 >= 20 |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate> |
| inline _LIBCPP_HIDE_FROM_ABI typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::size_type |
| erase_if(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred) { |
| return std::__libcpp_erase_if_container(__c, __pred); |
| } |
| #endif |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| _LIBCPP_HIDE_FROM_ABI 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 (std::distance(__xeq.first, __xeq.second) != std::distance(__yeq.first, __yeq.second) || |
| !std::is_permutation(__xeq.first, __xeq.second, __yeq.first)) |
| return false; |
| __i = __xeq.second; |
| } |
| return true; |
| } |
| |
| #if _LIBCPP_STD_VER <= 17 |
| |
| template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc> |
| inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x, |
| const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y) { |
| return !(__x == __y); |
| } |
| |
| #endif |
| |
| _LIBCPP_END_NAMESPACE_STD |
| |
| #if _LIBCPP_STD_VER >= 17 |
| _LIBCPP_BEGIN_NAMESPACE_STD |
| namespace pmr { |
| template <class _KeyT, class _ValueT, class _HashT = std::hash<_KeyT>, class _PredT = std::equal_to<_KeyT>> |
| using unordered_map _LIBCPP_AVAILABILITY_PMR = |
| std::unordered_map<_KeyT, _ValueT, _HashT, _PredT, polymorphic_allocator<std::pair<const _KeyT, _ValueT>>>; |
| |
| template <class _KeyT, class _ValueT, class _HashT = std::hash<_KeyT>, class _PredT = std::equal_to<_KeyT>> |
| using unordered_multimap _LIBCPP_AVAILABILITY_PMR = |
| std::unordered_multimap<_KeyT, _ValueT, _HashT, _PredT, polymorphic_allocator<std::pair<const _KeyT, _ValueT>>>; |
| } // namespace pmr |
| _LIBCPP_END_NAMESPACE_STD |
| #endif |
| |
| _LIBCPP_POP_MACROS |
| |
| #if !defined(_LIBCPP_REMOVE_TRANSITIVE_INCLUDES) && _LIBCPP_STD_VER <= 20 |
| # include <algorithm> |
| # include <bit> |
| # include <concepts> |
| # include <cstdlib> |
| # include <iterator> |
| # include <type_traits> |
| #endif |
| |
| #endif // _LIBCPP_UNORDERED_MAP |
