forked from OSchip/llvm-project
2446 lines
97 KiB
C++
2446 lines
97 KiB
C++
// -*- C++ -*-
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//===-------------------------- unordered_map -----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_UNORDERED_MAP
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#define _LIBCPP_UNORDERED_MAP
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/*
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unordered_map synopsis
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#include <initializer_list>
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namespace std
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{
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template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
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class Alloc = allocator<pair<const Key, T>>>
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class unordered_map
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{
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public:
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// types
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typedef Key key_type;
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typedef T mapped_type;
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typedef Hash hasher;
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typedef Pred key_equal;
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typedef Alloc allocator_type;
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typedef pair<const key_type, mapped_type> value_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef typename allocator_traits<allocator_type>::pointer pointer;
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typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
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typedef typename allocator_traits<allocator_type>::size_type size_type;
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typedef typename allocator_traits<allocator_type>::difference_type difference_type;
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typedef /unspecified/ iterator;
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typedef /unspecified/ const_iterator;
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typedef /unspecified/ local_iterator;
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typedef /unspecified/ const_local_iterator;
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typedef unspecified node_type; // C++17
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typedef INSERT_RETURN_TYPE<iterator, node_type> insert_return_type; // C++17
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unordered_map()
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noexcept(
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is_nothrow_default_constructible<hasher>::value &&
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is_nothrow_default_constructible<key_equal>::value &&
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is_nothrow_default_constructible<allocator_type>::value);
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explicit unordered_map(size_type n, const hasher& hf = hasher(),
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const key_equal& eql = key_equal(),
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const allocator_type& a = allocator_type());
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template <class InputIterator>
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unordered_map(InputIterator f, InputIterator l,
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size_type n = 0, const hasher& hf = hasher(),
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const key_equal& eql = key_equal(),
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const allocator_type& a = allocator_type());
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explicit unordered_map(const allocator_type&);
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unordered_map(const unordered_map&);
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unordered_map(const unordered_map&, const Allocator&);
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unordered_map(unordered_map&&)
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noexcept(
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is_nothrow_move_constructible<hasher>::value &&
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is_nothrow_move_constructible<key_equal>::value &&
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is_nothrow_move_constructible<allocator_type>::value);
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unordered_map(unordered_map&&, const Allocator&);
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unordered_map(initializer_list<value_type>, size_type n = 0,
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const hasher& hf = hasher(), const key_equal& eql = key_equal(),
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const allocator_type& a = allocator_type());
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unordered_map(size_type n, const allocator_type& a)
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: unordered_map(n, hasher(), key_equal(), a) {} // C++14
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unordered_map(size_type n, const hasher& hf, const allocator_type& a)
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: unordered_map(n, hf, key_equal(), a) {} // C++14
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template <class InputIterator>
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unordered_map(InputIterator f, InputIterator l, size_type n, const allocator_type& a)
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: unordered_map(f, l, n, hasher(), key_equal(), a) {} // C++14
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template <class InputIterator>
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unordered_map(InputIterator f, InputIterator l, size_type n, const hasher& hf,
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const allocator_type& a)
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: unordered_map(f, l, n, hf, key_equal(), a) {} // C++14
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unordered_map(initializer_list<value_type> il, size_type n, const allocator_type& a)
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: unordered_map(il, n, hasher(), key_equal(), a) {} // C++14
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unordered_map(initializer_list<value_type> il, size_type n, const hasher& hf,
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const allocator_type& a)
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: unordered_map(il, n, hf, key_equal(), a) {} // C++14
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~unordered_map();
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unordered_map& operator=(const unordered_map&);
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unordered_map& operator=(unordered_map&&)
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noexcept(
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allocator_type::propagate_on_container_move_assignment::value &&
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is_nothrow_move_assignable<allocator_type>::value &&
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is_nothrow_move_assignable<hasher>::value &&
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is_nothrow_move_assignable<key_equal>::value);
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unordered_map& operator=(initializer_list<value_type>);
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allocator_type get_allocator() const noexcept;
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bool empty() const noexcept;
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size_type size() const noexcept;
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size_type max_size() const noexcept;
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iterator begin() noexcept;
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iterator end() noexcept;
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const_iterator begin() const noexcept;
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const_iterator end() const noexcept;
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const_iterator cbegin() const noexcept;
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const_iterator cend() const noexcept;
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template <class... Args>
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pair<iterator, bool> emplace(Args&&... args);
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template <class... Args>
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iterator emplace_hint(const_iterator position, Args&&... args);
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pair<iterator, bool> insert(const value_type& obj);
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template <class P>
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pair<iterator, bool> insert(P&& obj);
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iterator insert(const_iterator hint, const value_type& obj);
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template <class P>
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iterator insert(const_iterator hint, P&& obj);
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template <class InputIterator>
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void insert(InputIterator first, InputIterator last);
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void insert(initializer_list<value_type>);
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node_type extract(const_iterator position); // C++17
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node_type extract(const key_type& x); // C++17
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insert_return_type insert(node_type&& nh); // C++17
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iterator insert(const_iterator hint, node_type&& nh); // C++17
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template <class... Args>
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pair<iterator, bool> try_emplace(const key_type& k, Args&&... args); // C++17
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template <class... Args>
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pair<iterator, bool> try_emplace(key_type&& k, Args&&... args); // C++17
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template <class... Args>
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iterator try_emplace(const_iterator hint, const key_type& k, Args&&... args); // C++17
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template <class... Args>
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iterator try_emplace(const_iterator hint, key_type&& k, Args&&... args); // C++17
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template <class M>
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pair<iterator, bool> insert_or_assign(const key_type& k, M&& obj); // C++17
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template <class M>
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pair<iterator, bool> insert_or_assign(key_type&& k, M&& obj); // C++17
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template <class M>
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iterator insert_or_assign(const_iterator hint, const key_type& k, M&& obj); // C++17
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template <class M>
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iterator insert_or_assign(const_iterator hint, key_type&& k, M&& obj); // C++17
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iterator erase(const_iterator position);
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iterator erase(iterator position); // C++14
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size_type erase(const key_type& k);
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iterator erase(const_iterator first, const_iterator last);
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void clear() noexcept;
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template<class H2, class P2>
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void merge(unordered_map<Key, T, H2, P2, Allocator>& source); // C++17
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template<class H2, class P2>
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void merge(unordered_map<Key, T, H2, P2, Allocator>&& source); // C++17
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template<class H2, class P2>
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void merge(unordered_multimap<Key, T, H2, P2, Allocator>& source); // C++17
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template<class H2, class P2>
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void merge(unordered_multimap<Key, T, H2, P2, Allocator>&& source); // C++17
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void swap(unordered_map&)
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noexcept(
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(!allocator_type::propagate_on_container_swap::value ||
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__is_nothrow_swappable<allocator_type>::value) &&
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__is_nothrow_swappable<hasher>::value &&
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__is_nothrow_swappable<key_equal>::value);
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hasher hash_function() const;
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key_equal key_eq() const;
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iterator find(const key_type& k);
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const_iterator find(const key_type& k) const;
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size_type count(const key_type& k) const;
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bool contains(const key_type& k) const; // C++20
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pair<iterator, iterator> equal_range(const key_type& k);
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pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
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mapped_type& operator[](const key_type& k);
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mapped_type& operator[](key_type&& k);
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mapped_type& at(const key_type& k);
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const mapped_type& at(const key_type& k) const;
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size_type bucket_count() const noexcept;
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size_type max_bucket_count() const noexcept;
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size_type bucket_size(size_type n) const;
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size_type bucket(const key_type& k) const;
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local_iterator begin(size_type n);
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local_iterator end(size_type n);
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const_local_iterator begin(size_type n) const;
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const_local_iterator end(size_type n) const;
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const_local_iterator cbegin(size_type n) const;
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const_local_iterator cend(size_type n) const;
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float load_factor() const noexcept;
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float max_load_factor() const noexcept;
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void max_load_factor(float z);
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void rehash(size_type n);
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void reserve(size_type n);
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};
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template <class Key, class T, class Hash, class Pred, class Alloc>
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void swap(unordered_map<Key, T, Hash, Pred, Alloc>& x,
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unordered_map<Key, T, Hash, Pred, Alloc>& y)
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noexcept(noexcept(x.swap(y)));
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template <class Key, class T, class Hash, class Pred, class Alloc>
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bool
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operator==(const unordered_map<Key, T, Hash, Pred, Alloc>& x,
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const unordered_map<Key, T, Hash, Pred, Alloc>& y);
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template <class Key, class T, class Hash, class Pred, class Alloc>
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bool
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operator!=(const unordered_map<Key, T, Hash, Pred, Alloc>& x,
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const unordered_map<Key, T, Hash, Pred, Alloc>& y);
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template <class Key, class T, class Hash = hash<Key>, class Pred = equal_to<Key>,
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class Alloc = allocator<pair<const Key, T>>>
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class unordered_multimap
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{
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public:
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// types
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typedef Key key_type;
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typedef T mapped_type;
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typedef Hash hasher;
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typedef Pred key_equal;
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typedef Alloc allocator_type;
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typedef pair<const key_type, mapped_type> value_type;
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typedef value_type& reference;
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typedef const value_type& const_reference;
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typedef typename allocator_traits<allocator_type>::pointer pointer;
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typedef typename allocator_traits<allocator_type>::const_pointer const_pointer;
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typedef typename allocator_traits<allocator_type>::size_type size_type;
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typedef typename allocator_traits<allocator_type>::difference_type difference_type;
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typedef /unspecified/ iterator;
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typedef /unspecified/ const_iterator;
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typedef /unspecified/ local_iterator;
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typedef /unspecified/ const_local_iterator;
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typedef unspecified node_type; // C++17
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unordered_multimap()
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noexcept(
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is_nothrow_default_constructible<hasher>::value &&
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is_nothrow_default_constructible<key_equal>::value &&
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is_nothrow_default_constructible<allocator_type>::value);
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explicit unordered_multimap(size_type n, const hasher& hf = hasher(),
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const key_equal& eql = key_equal(),
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const allocator_type& a = allocator_type());
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template <class InputIterator>
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unordered_multimap(InputIterator f, InputIterator l,
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size_type n = 0, const hasher& hf = hasher(),
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const key_equal& eql = key_equal(),
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const allocator_type& a = allocator_type());
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explicit unordered_multimap(const allocator_type&);
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unordered_multimap(const unordered_multimap&);
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unordered_multimap(const unordered_multimap&, const Allocator&);
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unordered_multimap(unordered_multimap&&)
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noexcept(
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is_nothrow_move_constructible<hasher>::value &&
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is_nothrow_move_constructible<key_equal>::value &&
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is_nothrow_move_constructible<allocator_type>::value);
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unordered_multimap(unordered_multimap&&, const Allocator&);
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unordered_multimap(initializer_list<value_type>, size_type n = 0,
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const hasher& hf = hasher(), const key_equal& eql = key_equal(),
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const allocator_type& a = allocator_type());
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unordered_multimap(size_type n, const allocator_type& a)
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: unordered_multimap(n, hasher(), key_equal(), a) {} // C++14
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unordered_multimap(size_type n, const hasher& hf, const allocator_type& a)
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: unordered_multimap(n, hf, key_equal(), a) {} // C++14
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template <class InputIterator>
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unordered_multimap(InputIterator f, InputIterator l, size_type n, const allocator_type& a)
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: unordered_multimap(f, l, n, hasher(), key_equal(), a) {} // C++14
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template <class InputIterator>
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unordered_multimap(InputIterator f, InputIterator l, size_type n, const hasher& hf,
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const allocator_type& a)
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: unordered_multimap(f, l, n, hf, key_equal(), a) {} // C++14
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unordered_multimap(initializer_list<value_type> il, size_type n, const allocator_type& a)
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: unordered_multimap(il, n, hasher(), key_equal(), a) {} // C++14
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unordered_multimap(initializer_list<value_type> il, size_type n, const hasher& hf,
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const allocator_type& a)
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: unordered_multimap(il, n, hf, key_equal(), a) {} // C++14
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~unordered_multimap();
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unordered_multimap& operator=(const unordered_multimap&);
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unordered_multimap& operator=(unordered_multimap&&)
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noexcept(
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allocator_type::propagate_on_container_move_assignment::value &&
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is_nothrow_move_assignable<allocator_type>::value &&
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is_nothrow_move_assignable<hasher>::value &&
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is_nothrow_move_assignable<key_equal>::value);
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unordered_multimap& operator=(initializer_list<value_type>);
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allocator_type get_allocator() const noexcept;
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bool empty() const noexcept;
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size_type size() const noexcept;
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size_type max_size() const noexcept;
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iterator begin() noexcept;
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iterator end() noexcept;
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const_iterator begin() const noexcept;
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const_iterator end() const noexcept;
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const_iterator cbegin() const noexcept;
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const_iterator cend() const noexcept;
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template <class... Args>
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iterator emplace(Args&&... args);
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template <class... Args>
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iterator emplace_hint(const_iterator position, Args&&... args);
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iterator insert(const value_type& obj);
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template <class P>
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iterator insert(P&& obj);
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iterator insert(const_iterator hint, const value_type& obj);
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template <class P>
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iterator insert(const_iterator hint, P&& obj);
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template <class InputIterator>
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void insert(InputIterator first, InputIterator last);
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void insert(initializer_list<value_type>);
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node_type extract(const_iterator position); // C++17
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node_type extract(const key_type& x); // C++17
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iterator insert(node_type&& nh); // C++17
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iterator insert(const_iterator hint, node_type&& nh); // C++17
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iterator erase(const_iterator position);
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iterator erase(iterator position); // C++14
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size_type erase(const key_type& k);
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iterator erase(const_iterator first, const_iterator last);
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void clear() noexcept;
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template<class H2, class P2>
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void merge(unordered_multimap<Key, T, H2, P2, Allocator>& source); // C++17
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template<class H2, class P2>
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void merge(unordered_multimap<Key, T, H2, P2, Allocator>&& source); // C++17
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template<class H2, class P2>
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void merge(unordered_map<Key, T, H2, P2, Allocator>& source); // C++17
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template<class H2, class P2>
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void merge(unordered_map<Key, T, H2, P2, Allocator>&& source); // C++17
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void swap(unordered_multimap&)
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noexcept(
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(!allocator_type::propagate_on_container_swap::value ||
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__is_nothrow_swappable<allocator_type>::value) &&
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__is_nothrow_swappable<hasher>::value &&
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__is_nothrow_swappable<key_equal>::value);
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hasher hash_function() const;
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key_equal key_eq() const;
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iterator find(const key_type& k);
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const_iterator find(const key_type& k) const;
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size_type count(const key_type& k) const;
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bool contains(const key_type& k) const; // C++20
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pair<iterator, iterator> equal_range(const key_type& k);
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pair<const_iterator, const_iterator> equal_range(const key_type& k) const;
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size_type bucket_count() const noexcept;
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size_type max_bucket_count() const noexcept;
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size_type bucket_size(size_type n) const;
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size_type bucket(const key_type& k) const;
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local_iterator begin(size_type n);
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local_iterator end(size_type n);
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const_local_iterator begin(size_type n) const;
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const_local_iterator end(size_type n) const;
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const_local_iterator cbegin(size_type n) const;
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const_local_iterator cend(size_type n) const;
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float load_factor() const noexcept;
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float max_load_factor() const noexcept;
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void max_load_factor(float z);
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void rehash(size_type n);
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void reserve(size_type n);
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};
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template <class Key, class T, class Hash, class Pred, class Alloc>
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void swap(unordered_multimap<Key, T, Hash, Pred, Alloc>& x,
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unordered_multimap<Key, T, Hash, Pred, Alloc>& y)
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noexcept(noexcept(x.swap(y)));
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template <class K, class T, class H, class P, class A, class Predicate>
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void erase_if(unordered_set<K, T, H, P, A>& c, Predicate pred); // C++20
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template <class K, class T, class H, class P, class A, class Predicate>
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void erase_if(unordered_multiset<K, T, H, P, A>& c, Predicate pred); // C++20
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template <class Key, class T, class Hash, class Pred, class Alloc>
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bool
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operator==(const unordered_multimap<Key, T, Hash, Pred, Alloc>& x,
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const unordered_multimap<Key, T, Hash, Pred, Alloc>& y);
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template <class Key, class T, class Hash, class Pred, class Alloc>
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bool
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operator!=(const unordered_multimap<Key, T, Hash, Pred, Alloc>& x,
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const unordered_multimap<Key, T, Hash, Pred, Alloc>& y);
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} // std
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*/
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#include <__config>
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#include <__hash_table>
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#include <__node_handle>
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#include <functional>
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#include <stdexcept>
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#include <tuple>
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#include <version>
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#include <__debug>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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#pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Key, class _Cp, class _Hash,
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bool = is_empty<_Hash>::value && !__libcpp_is_final<_Hash>::value>
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class __unordered_map_hasher
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: private _Hash
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{
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public:
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_hasher()
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_NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value)
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: _Hash() {}
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_hasher(const _Hash& __h)
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_NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value)
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: _Hash(__h) {}
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_LIBCPP_INLINE_VISIBILITY
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const _Hash& hash_function() const _NOEXCEPT {return *this;}
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_LIBCPP_INLINE_VISIBILITY
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size_t operator()(const _Cp& __x) const
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{return static_cast<const _Hash&>(*this)(__x.__get_value().first);}
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_LIBCPP_INLINE_VISIBILITY
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size_t operator()(const _Key& __x) const
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{return static_cast<const _Hash&>(*this)(__x);}
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void swap(__unordered_map_hasher&__y)
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_NOEXCEPT_(__is_nothrow_swappable<_Hash>::value)
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{
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using _VSTD::swap;
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swap(static_cast<_Hash&>(*this), static_cast<_Hash&>(__y));
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}
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};
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template <class _Key, class _Cp, class _Hash>
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class __unordered_map_hasher<_Key, _Cp, _Hash, false>
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{
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_Hash __hash_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_hasher()
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_NOEXCEPT_(is_nothrow_default_constructible<_Hash>::value)
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: __hash_() {}
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_hasher(const _Hash& __h)
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_NOEXCEPT_(is_nothrow_copy_constructible<_Hash>::value)
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: __hash_(__h) {}
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_LIBCPP_INLINE_VISIBILITY
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const _Hash& hash_function() const _NOEXCEPT {return __hash_;}
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_LIBCPP_INLINE_VISIBILITY
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size_t operator()(const _Cp& __x) const
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{return __hash_(__x.__get_value().first);}
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_LIBCPP_INLINE_VISIBILITY
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size_t operator()(const _Key& __x) const
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{return __hash_(__x);}
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void swap(__unordered_map_hasher&__y)
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_NOEXCEPT_(__is_nothrow_swappable<_Hash>::value)
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{
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using _VSTD::swap;
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swap(__hash_, __y.__hash_);
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}
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};
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template <class _Key, class _Cp, class _Hash, bool __b>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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swap(__unordered_map_hasher<_Key, _Cp, _Hash, __b>& __x,
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__unordered_map_hasher<_Key, _Cp, _Hash, __b>& __y)
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_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
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{
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__x.swap(__y);
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}
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template <class _Key, class _Cp, class _Pred,
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bool = is_empty<_Pred>::value && !__libcpp_is_final<_Pred>::value>
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class __unordered_map_equal
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: private _Pred
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{
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public:
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_equal()
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_NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value)
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: _Pred() {}
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_equal(const _Pred& __p)
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_NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value)
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: _Pred(__p) {}
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_LIBCPP_INLINE_VISIBILITY
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const _Pred& key_eq() const _NOEXCEPT {return *this;}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Cp& __x, const _Cp& __y) const
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{return static_cast<const _Pred&>(*this)(__x.__get_value().first, __y.__get_value().first);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Cp& __x, const _Key& __y) const
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{return static_cast<const _Pred&>(*this)(__x.__get_value().first, __y);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Key& __x, const _Cp& __y) const
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{return static_cast<const _Pred&>(*this)(__x, __y.__get_value().first);}
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void swap(__unordered_map_equal&__y)
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_NOEXCEPT_(__is_nothrow_swappable<_Pred>::value)
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{
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using _VSTD::swap;
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swap(static_cast<_Pred&>(*this), static_cast<_Pred&>(__y));
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}
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};
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template <class _Key, class _Cp, class _Pred>
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class __unordered_map_equal<_Key, _Cp, _Pred, false>
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{
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_Pred __pred_;
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public:
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_equal()
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_NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value)
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: __pred_() {}
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_LIBCPP_INLINE_VISIBILITY
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__unordered_map_equal(const _Pred& __p)
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_NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value)
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: __pred_(__p) {}
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_LIBCPP_INLINE_VISIBILITY
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const _Pred& key_eq() const _NOEXCEPT {return __pred_;}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Cp& __x, const _Cp& __y) const
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{return __pred_(__x.__get_value().first, __y.__get_value().first);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Cp& __x, const _Key& __y) const
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{return __pred_(__x.__get_value().first, __y);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Key& __x, const _Cp& __y) const
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{return __pred_(__x, __y.__get_value().first);}
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void swap(__unordered_map_equal&__y)
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_NOEXCEPT_(__is_nothrow_swappable<_Pred>::value)
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{
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using _VSTD::swap;
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swap(__pred_, __y.__pred_);
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}
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};
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template <class _Key, class _Cp, class _Pred, bool __b>
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inline _LIBCPP_INLINE_VISIBILITY
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void
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swap(__unordered_map_equal<_Key, _Cp, _Pred, __b>& __x,
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__unordered_map_equal<_Key, _Cp, _Pred, __b>& __y)
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_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
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{
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__x.swap(__y);
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}
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template <class _Alloc>
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class __hash_map_node_destructor
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{
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typedef _Alloc allocator_type;
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typedef allocator_traits<allocator_type> __alloc_traits;
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public:
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typedef typename __alloc_traits::pointer pointer;
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private:
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allocator_type& __na_;
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__hash_map_node_destructor& operator=(const __hash_map_node_destructor&);
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public:
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bool __first_constructed;
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bool __second_constructed;
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_LIBCPP_INLINE_VISIBILITY
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explicit __hash_map_node_destructor(allocator_type& __na) _NOEXCEPT
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: __na_(__na),
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__first_constructed(false),
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__second_constructed(false)
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{}
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#ifndef _LIBCPP_CXX03_LANG
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_LIBCPP_INLINE_VISIBILITY
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__hash_map_node_destructor(__hash_node_destructor<allocator_type>&& __x)
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_NOEXCEPT
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: __na_(__x.__na_),
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__first_constructed(__x.__value_constructed),
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__second_constructed(__x.__value_constructed)
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{
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__x.__value_constructed = false;
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}
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#else // _LIBCPP_CXX03_LANG
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_LIBCPP_INLINE_VISIBILITY
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__hash_map_node_destructor(const __hash_node_destructor<allocator_type>& __x)
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: __na_(__x.__na_),
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__first_constructed(__x.__value_constructed),
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__second_constructed(__x.__value_constructed)
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{
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const_cast<bool&>(__x.__value_constructed) = false;
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}
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#endif // _LIBCPP_CXX03_LANG
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_LIBCPP_INLINE_VISIBILITY
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void operator()(pointer __p) _NOEXCEPT
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{
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if (__second_constructed)
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__alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.__get_value().second));
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if (__first_constructed)
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__alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.__get_value().first));
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if (__p)
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__alloc_traits::deallocate(__na_, __p, 1);
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}
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};
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#ifndef _LIBCPP_CXX03_LANG
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template <class _Key, class _Tp>
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struct __hash_value_type
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{
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typedef _Key key_type;
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typedef _Tp mapped_type;
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typedef pair<const key_type, mapped_type> value_type;
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typedef pair<key_type&, mapped_type&> __nc_ref_pair_type;
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typedef pair<key_type&&, mapped_type&&> __nc_rref_pair_type;
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private:
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value_type __cc;
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public:
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_LIBCPP_INLINE_VISIBILITY
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value_type& __get_value()
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{
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#if _LIBCPP_STD_VER > 14
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return *_VSTD::launder(_VSTD::addressof(__cc));
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#else
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return __cc;
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#endif
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}
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_LIBCPP_INLINE_VISIBILITY
|
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const value_type& __get_value() const
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{
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#if _LIBCPP_STD_VER > 14
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return *_VSTD::launder(_VSTD::addressof(__cc));
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#else
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return __cc;
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#endif
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}
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_LIBCPP_INLINE_VISIBILITY
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__nc_ref_pair_type __ref()
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{
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value_type& __v = __get_value();
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return __nc_ref_pair_type(const_cast<key_type&>(__v.first), __v.second);
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}
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_LIBCPP_INLINE_VISIBILITY
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__nc_rref_pair_type __move()
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{
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value_type& __v = __get_value();
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return __nc_rref_pair_type(
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_VSTD::move(const_cast<key_type&>(__v.first)),
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_VSTD::move(__v.second));
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}
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_LIBCPP_INLINE_VISIBILITY
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__hash_value_type& operator=(const __hash_value_type& __v)
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{
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__ref() = __v.__get_value();
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return *this;
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}
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_LIBCPP_INLINE_VISIBILITY
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__hash_value_type& operator=(__hash_value_type&& __v)
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{
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__ref() = __v.__move();
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return *this;
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}
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|
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template <class _ValueTp,
|
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class = typename enable_if<
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__is_same_uncvref<_ValueTp, value_type>::value
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>::type
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>
|
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_LIBCPP_INLINE_VISIBILITY
|
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__hash_value_type& operator=(_ValueTp&& __v)
|
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{
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__ref() = _VSTD::forward<_ValueTp>(__v);
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return *this;
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}
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private:
|
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__hash_value_type(const __hash_value_type& __v) = delete;
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__hash_value_type(__hash_value_type&& __v) = delete;
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template <class ..._Args>
|
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explicit __hash_value_type(_Args&& ...__args) = delete;
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~__hash_value_type() = delete;
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};
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#else
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|
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template <class _Key, class _Tp>
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struct __hash_value_type
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{
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typedef _Key key_type;
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typedef _Tp mapped_type;
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typedef pair<const key_type, mapped_type> value_type;
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private:
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value_type __cc;
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public:
|
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_LIBCPP_INLINE_VISIBILITY
|
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value_type& __get_value() { return __cc; }
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_LIBCPP_INLINE_VISIBILITY
|
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const value_type& __get_value() const { return __cc; }
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private:
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~__hash_value_type();
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};
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#endif
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template <class _HashIterator>
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class _LIBCPP_TEMPLATE_VIS __hash_map_iterator
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{
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_HashIterator __i_;
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typedef __hash_node_types_from_iterator<_HashIterator> _NodeTypes;
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public:
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typedef forward_iterator_tag iterator_category;
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typedef typename _NodeTypes::__map_value_type value_type;
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typedef typename _NodeTypes::difference_type difference_type;
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typedef value_type& reference;
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typedef typename _NodeTypes::__map_value_type_pointer pointer;
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|
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_LIBCPP_INLINE_VISIBILITY
|
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__hash_map_iterator() _NOEXCEPT {}
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|
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_LIBCPP_INLINE_VISIBILITY
|
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__hash_map_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {}
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|
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_LIBCPP_INLINE_VISIBILITY
|
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reference operator*() const {return __i_->__get_value();}
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_LIBCPP_INLINE_VISIBILITY
|
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pointer operator->() const {return pointer_traits<pointer>::pointer_to(__i_->__get_value());}
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|
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_LIBCPP_INLINE_VISIBILITY
|
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__hash_map_iterator& operator++() {++__i_; return *this;}
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_LIBCPP_INLINE_VISIBILITY
|
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__hash_map_iterator operator++(int)
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{
|
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__hash_map_iterator __t(*this);
|
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++(*this);
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return __t;
|
|
}
|
|
|
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friend _LIBCPP_INLINE_VISIBILITY
|
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bool operator==(const __hash_map_iterator& __x, const __hash_map_iterator& __y)
|
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{return __x.__i_ == __y.__i_;}
|
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friend _LIBCPP_INLINE_VISIBILITY
|
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bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y)
|
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{return __x.__i_ != __y.__i_;}
|
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|
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template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_map;
|
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template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_multimap;
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template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_iterator;
|
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template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_local_iterator;
|
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template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_map_const_iterator;
|
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};
|
|
|
|
template <class _HashIterator>
|
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class _LIBCPP_TEMPLATE_VIS __hash_map_const_iterator
|
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{
|
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_HashIterator __i_;
|
|
|
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typedef __hash_node_types_from_iterator<_HashIterator> _NodeTypes;
|
|
|
|
public:
|
|
typedef forward_iterator_tag iterator_category;
|
|
typedef typename _NodeTypes::__map_value_type value_type;
|
|
typedef typename _NodeTypes::difference_type difference_type;
|
|
typedef const value_type& reference;
|
|
typedef typename _NodeTypes::__const_map_value_type_pointer pointer;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_const_iterator() _NOEXCEPT {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_const_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_const_iterator(
|
|
__hash_map_iterator<typename _HashIterator::__non_const_iterator> __i)
|
|
_NOEXCEPT
|
|
: __i_(__i.__i_) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
reference operator*() const {return __i_->__get_value();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pointer operator->() const {return pointer_traits<pointer>::pointer_to(__i_->__get_value());}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_const_iterator& operator++() {++__i_; return *this;}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_const_iterator operator++(int)
|
|
{
|
|
__hash_map_const_iterator __t(*this);
|
|
++(*this);
|
|
return __t;
|
|
}
|
|
|
|
friend _LIBCPP_INLINE_VISIBILITY
|
|
bool operator==(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y)
|
|
{return __x.__i_ == __y.__i_;}
|
|
friend _LIBCPP_INLINE_VISIBILITY
|
|
bool operator!=(const __hash_map_const_iterator& __x, const __hash_map_const_iterator& __y)
|
|
{return __x.__i_ != __y.__i_;}
|
|
|
|
template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_map;
|
|
template <class, class, class, class, class> friend class _LIBCPP_TEMPLATE_VIS unordered_multimap;
|
|
template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_iterator;
|
|
template <class> friend class _LIBCPP_TEMPLATE_VIS __hash_const_local_iterator;
|
|
};
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
class unordered_multimap;
|
|
|
|
template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
|
|
class _Alloc = allocator<pair<const _Key, _Tp> > >
|
|
class _LIBCPP_TEMPLATE_VIS unordered_map
|
|
{
|
|
public:
|
|
// types
|
|
typedef _Key key_type;
|
|
typedef _Tp mapped_type;
|
|
typedef typename __identity<_Hash>::type hasher;
|
|
typedef typename __identity<_Pred>::type key_equal;
|
|
typedef typename __identity<_Alloc>::type allocator_type;
|
|
typedef pair<const key_type, mapped_type> value_type;
|
|
typedef value_type& reference;
|
|
typedef const value_type& const_reference;
|
|
static_assert((is_same<value_type, typename allocator_type::value_type>::value),
|
|
"Invalid allocator::value_type");
|
|
|
|
private:
|
|
typedef __hash_value_type<key_type, mapped_type> __value_type;
|
|
typedef __unordered_map_hasher<key_type, __value_type, hasher> __hasher;
|
|
typedef __unordered_map_equal<key_type, __value_type, key_equal> __key_equal;
|
|
typedef typename __rebind_alloc_helper<allocator_traits<allocator_type>,
|
|
__value_type>::type __allocator_type;
|
|
|
|
typedef __hash_table<__value_type, __hasher,
|
|
__key_equal, __allocator_type> __table;
|
|
|
|
__table __table_;
|
|
|
|
typedef typename __table::_NodeTypes _NodeTypes;
|
|
typedef typename __table::__node_pointer __node_pointer;
|
|
typedef typename __table::__node_const_pointer __node_const_pointer;
|
|
typedef typename __table::__node_traits __node_traits;
|
|
typedef typename __table::__node_allocator __node_allocator;
|
|
typedef typename __table::__node __node;
|
|
typedef __hash_map_node_destructor<__node_allocator> _Dp;
|
|
typedef unique_ptr<__node, _Dp> __node_holder;
|
|
typedef allocator_traits<allocator_type> __alloc_traits;
|
|
|
|
static_assert((is_same<typename __table::__container_value_type, value_type>::value), "");
|
|
static_assert((is_same<typename __table::__node_value_type, __value_type>::value), "");
|
|
public:
|
|
typedef typename __alloc_traits::pointer pointer;
|
|
typedef typename __alloc_traits::const_pointer const_pointer;
|
|
typedef typename __table::size_type size_type;
|
|
typedef typename __table::difference_type difference_type;
|
|
|
|
typedef __hash_map_iterator<typename __table::iterator> iterator;
|
|
typedef __hash_map_const_iterator<typename __table::const_iterator> const_iterator;
|
|
typedef __hash_map_iterator<typename __table::local_iterator> local_iterator;
|
|
typedef __hash_map_const_iterator<typename __table::const_local_iterator> const_local_iterator;
|
|
|
|
#if _LIBCPP_STD_VER > 14
|
|
typedef __map_node_handle<__node, allocator_type> node_type;
|
|
typedef __insert_return_type<iterator, node_type> insert_return_type;
|
|
#endif
|
|
|
|
template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2>
|
|
friend class _LIBCPP_TEMPLATE_VIS unordered_map;
|
|
template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2>
|
|
friend class _LIBCPP_TEMPLATE_VIS unordered_multimap;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
}
|
|
explicit unordered_map(size_type __n, const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal());
|
|
unordered_map(size_type __n, const hasher& __hf,
|
|
const key_equal& __eql,
|
|
const allocator_type& __a);
|
|
template <class _InputIterator>
|
|
unordered_map(_InputIterator __first, _InputIterator __last);
|
|
template <class _InputIterator>
|
|
unordered_map(_InputIterator __first, _InputIterator __last,
|
|
size_type __n, const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal());
|
|
template <class _InputIterator>
|
|
unordered_map(_InputIterator __first, _InputIterator __last,
|
|
size_type __n, const hasher& __hf,
|
|
const key_equal& __eql,
|
|
const allocator_type& __a);
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit unordered_map(const allocator_type& __a);
|
|
unordered_map(const unordered_map& __u);
|
|
unordered_map(const unordered_map& __u, const allocator_type& __a);
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map(unordered_map&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
|
|
unordered_map(unordered_map&& __u, const allocator_type& __a);
|
|
unordered_map(initializer_list<value_type> __il);
|
|
unordered_map(initializer_list<value_type> __il, size_type __n,
|
|
const hasher& __hf = hasher(), const key_equal& __eql = key_equal());
|
|
unordered_map(initializer_list<value_type> __il, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql,
|
|
const allocator_type& __a);
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
#if _LIBCPP_STD_VER > 11
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map(size_type __n, const allocator_type& __a)
|
|
: unordered_map(__n, hasher(), key_equal(), __a) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map(size_type __n, const hasher& __hf, const allocator_type& __a)
|
|
: unordered_map(__n, __hf, key_equal(), __a) {}
|
|
template <class _InputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map(_InputIterator __first, _InputIterator __last, size_type __n, const allocator_type& __a)
|
|
: unordered_map(__first, __last, __n, hasher(), key_equal(), __a) {}
|
|
template <class _InputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map(_InputIterator __first, _InputIterator __last, size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_map(__first, __last, __n, __hf, key_equal(), __a) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map(initializer_list<value_type> __il, size_type __n, const allocator_type& __a)
|
|
: unordered_map(__il, __n, hasher(), key_equal(), __a) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map(initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_map(__il, __n, __hf, key_equal(), __a) {}
|
|
#endif
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
~unordered_map() {
|
|
static_assert(sizeof(__diagnose_unordered_container_requirements<_Key, _Hash, _Pred>(0)), "");
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map& operator=(const unordered_map& __u)
|
|
{
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
__table_ = __u.__table_;
|
|
#else
|
|
if (this != &__u) {
|
|
__table_.clear();
|
|
__table_.hash_function() = __u.__table_.hash_function();
|
|
__table_.key_eq() = __u.__table_.key_eq();
|
|
__table_.max_load_factor() = __u.__table_.max_load_factor();
|
|
__table_.__copy_assign_alloc(__u.__table_);
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
#endif
|
|
return *this;
|
|
}
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map& operator=(unordered_map&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map& operator=(initializer_list<value_type> __il);
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
allocator_type get_allocator() const _NOEXCEPT
|
|
{return allocator_type(__table_.__node_alloc());}
|
|
|
|
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
|
|
bool empty() const _NOEXCEPT {return __table_.size() == 0;}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type size() const _NOEXCEPT {return __table_.size();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_size() const _NOEXCEPT {return __table_.max_size();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator begin() _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator end() _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator begin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator end() const _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cend() const _NOEXCEPT {return __table_.end();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> insert(const value_type& __x)
|
|
{return __table_.__insert_unique(__x);}
|
|
|
|
iterator insert(const_iterator __p, const value_type& __x) {
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
|
|
"unordered_map::insert(const_iterator, const value_type&) called with an iterator not"
|
|
" referring to this unordered_map");
|
|
#else
|
|
((void)__p);
|
|
#endif
|
|
return insert(__x).first;
|
|
}
|
|
|
|
template <class _InputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void insert(_InputIterator __first, _InputIterator __last);
|
|
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void insert(initializer_list<value_type> __il)
|
|
{insert(__il.begin(), __il.end());}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> insert(value_type&& __x)
|
|
{return __table_.__insert_unique(_VSTD::move(__x));}
|
|
|
|
iterator insert(const_iterator __p, value_type&& __x) {
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
|
|
"unordered_map::insert(const_iterator, const value_type&) called with an iterator not"
|
|
" referring to this unordered_map");
|
|
#else
|
|
((void)__p);
|
|
#endif
|
|
return __table_.__insert_unique(_VSTD::move(__x)).first;
|
|
}
|
|
|
|
template <class _Pp,
|
|
class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> insert(_Pp&& __x)
|
|
{return __table_.__insert_unique(_VSTD::forward<_Pp>(__x));}
|
|
|
|
template <class _Pp,
|
|
class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __p, _Pp&& __x)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
|
|
"unordered_map::insert(const_iterator, value_type&&) called with an iterator not"
|
|
" referring to this unordered_map");
|
|
#else
|
|
((void)__p);
|
|
#endif
|
|
return insert(_VSTD::forward<_Pp>(__x)).first;
|
|
}
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> emplace(_Args&&... __args) {
|
|
return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...);
|
|
}
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator emplace_hint(const_iterator __p, _Args&&... __args) {
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__p) == this,
|
|
"unordered_map::emplace_hint(const_iterator, args...) called with an iterator not"
|
|
" referring to this unordered_map");
|
|
#else
|
|
((void)__p);
|
|
#endif
|
|
return __table_.__emplace_unique(_VSTD::forward<_Args>(__args)...).first;
|
|
}
|
|
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
#if _LIBCPP_STD_VER > 14
|
|
template <class... _Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> try_emplace(const key_type& __k, _Args&&... __args)
|
|
{
|
|
return __table_.__emplace_unique_key_args(__k, _VSTD::piecewise_construct,
|
|
_VSTD::forward_as_tuple(__k),
|
|
_VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...));
|
|
}
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> try_emplace(key_type&& __k, _Args&&... __args)
|
|
{
|
|
return __table_.__emplace_unique_key_args(__k, _VSTD::piecewise_construct,
|
|
_VSTD::forward_as_tuple(_VSTD::move(__k)),
|
|
_VSTD::forward_as_tuple(_VSTD::forward<_Args>(__args)...));
|
|
}
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator try_emplace(const_iterator __h, const key_type& __k, _Args&&... __args)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__h) == this,
|
|
"unordered_map::try_emplace(const_iterator, key, args...) called with an iterator not"
|
|
" referring to this unordered_map");
|
|
#else
|
|
((void)__h);
|
|
#endif
|
|
return try_emplace(__k, _VSTD::forward<_Args>(__args)...).first;
|
|
}
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator try_emplace(const_iterator __h, key_type&& __k, _Args&&... __args)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
_LIBCPP_ASSERT(__get_const_db()->__find_c_from_i(&__h) == this,
|
|
"unordered_map::try_emplace(const_iterator, key, args...) called with an iterator not"
|
|
" referring to this unordered_map");
|
|
#else
|
|
((void)__h);
|
|
#endif
|
|
return try_emplace(_VSTD::move(__k), _VSTD::forward<_Args>(__args)...).first;
|
|
}
|
|
|
|
template <class _Vp>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> insert_or_assign(const key_type& __k, _Vp&& __v)
|
|
{
|
|
pair<iterator, bool> __res = __table_.__emplace_unique_key_args(__k,
|
|
__k, _VSTD::forward<_Vp>(__v));
|
|
if (!__res.second) {
|
|
__res.first->second = _VSTD::forward<_Vp>(__v);
|
|
}
|
|
return __res;
|
|
}
|
|
|
|
template <class _Vp>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> insert_or_assign(key_type&& __k, _Vp&& __v)
|
|
{
|
|
pair<iterator, bool> __res = __table_.__emplace_unique_key_args(__k,
|
|
_VSTD::move(__k), _VSTD::forward<_Vp>(__v));
|
|
if (!__res.second) {
|
|
__res.first->second = _VSTD::forward<_Vp>(__v);
|
|
}
|
|
return __res;
|
|
}
|
|
|
|
template <class _Vp>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert_or_assign(const_iterator, const key_type& __k, _Vp&& __v)
|
|
{
|
|
// FIXME: Add debug mode checking for the iterator input
|
|
return insert_or_assign(__k, _VSTD::forward<_Vp>(__v)).first;
|
|
}
|
|
|
|
template <class _Vp>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert_or_assign(const_iterator, key_type&& __k, _Vp&& __v)
|
|
{
|
|
// FIXME: Add debug mode checking for the iterator input
|
|
return insert_or_assign(_VSTD::move(__k), _VSTD::forward<_Vp>(__v)).first;
|
|
}
|
|
#endif // _LIBCPP_STD_VER > 14
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(const_iterator __p) {return __table_.erase(__p.__i_);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(iterator __p) {return __table_.erase(__p.__i_);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type erase(const key_type& __k) {return __table_.__erase_unique(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(const_iterator __first, const_iterator __last)
|
|
{return __table_.erase(__first.__i_, __last.__i_);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void clear() _NOEXCEPT {__table_.clear();}
|
|
|
|
#if _LIBCPP_STD_VER > 14
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
insert_return_type insert(node_type&& __nh)
|
|
{
|
|
_LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(),
|
|
"node_type with incompatible allocator passed to unordered_map::insert()");
|
|
return __table_.template __node_handle_insert_unique<
|
|
node_type, insert_return_type>(_VSTD::move(__nh));
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __hint, node_type&& __nh)
|
|
{
|
|
_LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(),
|
|
"node_type with incompatible allocator passed to unordered_map::insert()");
|
|
return __table_.template __node_handle_insert_unique<node_type>(
|
|
__hint.__i_, _VSTD::move(__nh));
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
node_type extract(key_type const& __key)
|
|
{
|
|
return __table_.template __node_handle_extract<node_type>(__key);
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
node_type extract(const_iterator __it)
|
|
{
|
|
return __table_.template __node_handle_extract<node_type>(
|
|
__it.__i_);
|
|
}
|
|
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_unique(__source.__table_);
|
|
}
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>&& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_unique(__source.__table_);
|
|
}
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_unique(__source.__table_);
|
|
}
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>&& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_unique(__source.__table_);
|
|
}
|
|
#endif
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void swap(unordered_map& __u)
|
|
_NOEXCEPT_(__is_nothrow_swappable<__table>::value)
|
|
{ __table_.swap(__u.__table_);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
hasher hash_function() const
|
|
{return __table_.hash_function().hash_function();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
key_equal key_eq() const
|
|
{return __table_.key_eq().key_eq();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator find(const key_type& __k) {return __table_.find(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator find(const key_type& __k) const {return __table_.find(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type count(const key_type& __k) const {return __table_.__count_unique(__k);}
|
|
#if _LIBCPP_STD_VER > 17
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool contains(const key_type& __k) const {return find(__k) != end();}
|
|
#endif // _LIBCPP_STD_VER > 17
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, iterator> equal_range(const key_type& __k)
|
|
{return __table_.__equal_range_unique(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
|
|
{return __table_.__equal_range_unique(__k);}
|
|
|
|
mapped_type& operator[](const key_type& __k);
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
mapped_type& operator[](key_type&& __k);
|
|
#endif
|
|
|
|
mapped_type& at(const key_type& __k);
|
|
const mapped_type& at(const key_type& __k) const;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type bucket_count() const _NOEXCEPT {return __table_.bucket_count();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_bucket_count() const _NOEXCEPT {return __table_.max_bucket_count();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type bucket_size(size_type __n) const
|
|
{return __table_.bucket_size(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type bucket(const key_type& __k) const {return __table_.bucket(__k);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
local_iterator begin(size_type __n) {return __table_.begin(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
local_iterator end(size_type __n) {return __table_.end(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator begin(size_type __n) const {return __table_.cbegin(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator end(size_type __n) const {return __table_.cend(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator cbegin(size_type __n) const {return __table_.cbegin(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator cend(size_type __n) const {return __table_.cend(__n);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
float load_factor() const _NOEXCEPT {return __table_.load_factor();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void rehash(size_type __n) {__table_.rehash(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void reserve(size_type __n) {__table_.reserve(__n);}
|
|
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
|
|
bool __dereferenceable(const const_iterator* __i) const
|
|
{return __table_.__dereferenceable(&__i->__i_);}
|
|
bool __decrementable(const const_iterator* __i) const
|
|
{return __table_.__decrementable(&__i->__i_);}
|
|
bool __addable(const const_iterator* __i, ptrdiff_t __n) const
|
|
{return __table_.__addable(&__i->__i_, __n);}
|
|
bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const
|
|
{return __table_.__addable(&__i->__i_, __n);}
|
|
|
|
#endif // _LIBCPP_DEBUG_LEVEL >= 2
|
|
|
|
private:
|
|
|
|
#ifdef _LIBCPP_CXX03_LANG
|
|
__node_holder __construct_node_with_key(const key_type& __k);
|
|
#endif
|
|
};
|
|
|
|
#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
|
|
template<class _InputIterator,
|
|
class _Hash = hash<__iter_key_type<_InputIterator>>,
|
|
class _Pred = equal_to<__iter_key_type<_InputIterator>>,
|
|
class _Allocator = allocator<__iter_to_alloc_type<_InputIterator>>,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<!__is_allocator<_Pred>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type = 0,
|
|
_Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator())
|
|
-> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, _Hash, _Pred, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Hash = hash<remove_const_t<_Key>>,
|
|
class _Pred = equal_to<remove_const_t<_Key>>,
|
|
class _Allocator = allocator<pair<const _Key, _Tp>>,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<!__is_allocator<_Pred>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type = 0,
|
|
_Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator())
|
|
-> unordered_map<remove_const_t<_Key>, _Tp, _Hash, _Pred, _Allocator>;
|
|
|
|
template<class _InputIterator, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Allocator)
|
|
-> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>,
|
|
hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>;
|
|
|
|
template<class _InputIterator, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(_InputIterator, _InputIterator, _Allocator)
|
|
-> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>,
|
|
hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>;
|
|
|
|
template<class _InputIterator, class _Hash, class _Allocator,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator)
|
|
-> unordered_map<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>,
|
|
_Hash, equal_to<__iter_key_type<_InputIterator>>, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Allocator)
|
|
-> unordered_map<remove_const_t<_Key>, _Tp,
|
|
hash<remove_const_t<_Key>>,
|
|
equal_to<remove_const_t<_Key>>, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>, _Allocator)
|
|
-> unordered_map<remove_const_t<_Key>, _Tp,
|
|
hash<remove_const_t<_Key>>,
|
|
equal_to<remove_const_t<_Key>>, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Hash, class _Allocator,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_map(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator)
|
|
-> unordered_map<remove_const_t<_Key>, _Tp, _Hash,
|
|
equal_to<remove_const_t<_Key>>, _Allocator>;
|
|
#endif
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql,
|
|
const allocator_type& __a)
|
|
: __table_(__hf, __eql, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
const allocator_type& __a)
|
|
: __table_(typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
_InputIterator __first, _InputIterator __last)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
|
|
: __table_(__hf, __eql, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
const unordered_map& __u)
|
|
: __table_(__u.__table_)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__u.bucket_count());
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
const unordered_map& __u, const allocator_type& __a)
|
|
: __table_(__u.__table_, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__u.bucket_count());
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
unordered_map&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
|
|
: __table_(_VSTD::move(__u.__table_))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
__get_db()->swap(this, &__u);
|
|
#endif
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
unordered_map&& __u, const allocator_type& __a)
|
|
: __table_(_VSTD::move(__u.__table_), typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
if (__a != __u.get_allocator())
|
|
{
|
|
iterator __i = __u.begin();
|
|
while (__u.size() != 0) {
|
|
__table_.__emplace_unique(
|
|
__u.__table_.remove((__i++).__i_)->__value_.__move());
|
|
}
|
|
}
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
else
|
|
__get_db()->swap(this, &__u);
|
|
#endif
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
initializer_list<value_type> __il)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const key_equal& __eql, const allocator_type& __a)
|
|
: __table_(__hf, __eql, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(unordered_map&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<__table>::value)
|
|
{
|
|
__table_ = _VSTD::move(__u.__table_);
|
|
return *this;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(
|
|
initializer_list<value_type> __il)
|
|
{
|
|
__table_.__assign_unique(__il.begin(), __il.end());
|
|
return *this;
|
|
}
|
|
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
inline
|
|
void
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
|
|
_InputIterator __last)
|
|
{
|
|
for (; __first != __last; ++__first)
|
|
__table_.__insert_unique(*__first);
|
|
}
|
|
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
_Tp&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type& __k)
|
|
{
|
|
return __table_.__emplace_unique_key_args(__k,
|
|
std::piecewise_construct, std::forward_as_tuple(__k),
|
|
std::forward_as_tuple()).first->__get_value().second;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
_Tp&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](key_type&& __k)
|
|
{
|
|
return __table_.__emplace_unique_key_args(__k,
|
|
std::piecewise_construct, std::forward_as_tuple(std::move(__k)),
|
|
std::forward_as_tuple()).first->__get_value().second;
|
|
}
|
|
#else // _LIBCPP_CXX03_LANG
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node_with_key(const key_type& __k)
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_.__get_value().first), __k);
|
|
__h.get_deleter().__first_constructed = true;
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_.__get_value().second));
|
|
__h.get_deleter().__second_constructed = true;
|
|
return _LIBCPP_EXPLICIT_MOVE(__h); // explicitly moved for C++03
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
_Tp&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](const key_type& __k)
|
|
{
|
|
iterator __i = find(__k);
|
|
if (__i != end())
|
|
return __i->second;
|
|
__node_holder __h = __construct_node_with_key(__k);
|
|
pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get());
|
|
__h.release();
|
|
return __r.first->second;
|
|
}
|
|
|
|
#endif // _LIBCPP_CXX03_MODE
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
_Tp&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::at(const key_type& __k)
|
|
{
|
|
iterator __i = find(__k);
|
|
if (__i == end())
|
|
__throw_out_of_range("unordered_map::at: key not found");
|
|
return __i->second;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
const _Tp&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::at(const key_type& __k) const
|
|
{
|
|
const_iterator __i = find(__k);
|
|
if (__i == end())
|
|
__throw_out_of_range("unordered_map::at: key not found");
|
|
return __i->second;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
swap(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
|
|
{
|
|
__x.swap(__y);
|
|
}
|
|
|
|
#if _LIBCPP_STD_VER > 17
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void erase_if(unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred)
|
|
{ __libcpp_erase_if_container(__c, __pred); }
|
|
#endif
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
bool
|
|
operator==(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{
|
|
if (__x.size() != __y.size())
|
|
return false;
|
|
typedef typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator
|
|
const_iterator;
|
|
for (const_iterator __i = __x.begin(), __ex = __x.end(), __ey = __y.end();
|
|
__i != __ex; ++__i)
|
|
{
|
|
const_iterator __j = __y.find(__i->first);
|
|
if (__j == __ey || !(*__i == *__j))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
|
|
class _Alloc = allocator<pair<const _Key, _Tp> > >
|
|
class _LIBCPP_TEMPLATE_VIS unordered_multimap
|
|
{
|
|
public:
|
|
// types
|
|
typedef _Key key_type;
|
|
typedef _Tp mapped_type;
|
|
typedef typename __identity<_Hash>::type hasher;
|
|
typedef typename __identity<_Pred>::type key_equal;
|
|
typedef typename __identity<_Alloc>::type allocator_type;
|
|
typedef pair<const key_type, mapped_type> value_type;
|
|
typedef value_type& reference;
|
|
typedef const value_type& const_reference;
|
|
static_assert((is_same<value_type, typename allocator_type::value_type>::value),
|
|
"Invalid allocator::value_type");
|
|
|
|
private:
|
|
typedef __hash_value_type<key_type, mapped_type> __value_type;
|
|
typedef __unordered_map_hasher<key_type, __value_type, hasher> __hasher;
|
|
typedef __unordered_map_equal<key_type, __value_type, key_equal> __key_equal;
|
|
typedef typename __rebind_alloc_helper<allocator_traits<allocator_type>,
|
|
__value_type>::type __allocator_type;
|
|
|
|
typedef __hash_table<__value_type, __hasher,
|
|
__key_equal, __allocator_type> __table;
|
|
|
|
__table __table_;
|
|
|
|
typedef typename __table::_NodeTypes _NodeTypes;
|
|
typedef typename __table::__node_traits __node_traits;
|
|
typedef typename __table::__node_allocator __node_allocator;
|
|
typedef typename __table::__node __node;
|
|
typedef __hash_map_node_destructor<__node_allocator> _Dp;
|
|
typedef unique_ptr<__node, _Dp> __node_holder;
|
|
typedef allocator_traits<allocator_type> __alloc_traits;
|
|
static_assert((is_same<typename __node_traits::size_type,
|
|
typename __alloc_traits::size_type>::value),
|
|
"Allocator uses different size_type for different types");
|
|
public:
|
|
typedef typename __alloc_traits::pointer pointer;
|
|
typedef typename __alloc_traits::const_pointer const_pointer;
|
|
typedef typename __table::size_type size_type;
|
|
typedef typename __table::difference_type difference_type;
|
|
|
|
typedef __hash_map_iterator<typename __table::iterator> iterator;
|
|
typedef __hash_map_const_iterator<typename __table::const_iterator> const_iterator;
|
|
typedef __hash_map_iterator<typename __table::local_iterator> local_iterator;
|
|
typedef __hash_map_const_iterator<typename __table::const_local_iterator> const_local_iterator;
|
|
|
|
#if _LIBCPP_STD_VER > 14
|
|
typedef __map_node_handle<__node, allocator_type> node_type;
|
|
#endif
|
|
|
|
template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2>
|
|
friend class _LIBCPP_TEMPLATE_VIS unordered_map;
|
|
template <class _Key2, class _Tp2, class _Hash2, class _Pred2, class _Alloc2>
|
|
friend class _LIBCPP_TEMPLATE_VIS unordered_multimap;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
}
|
|
explicit unordered_multimap(size_type __n, const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal());
|
|
unordered_multimap(size_type __n, const hasher& __hf,
|
|
const key_equal& __eql,
|
|
const allocator_type& __a);
|
|
template <class _InputIterator>
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last);
|
|
template <class _InputIterator>
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last,
|
|
size_type __n, const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal());
|
|
template <class _InputIterator>
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last,
|
|
size_type __n, const hasher& __hf,
|
|
const key_equal& __eql,
|
|
const allocator_type& __a);
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit unordered_multimap(const allocator_type& __a);
|
|
unordered_multimap(const unordered_multimap& __u);
|
|
unordered_multimap(const unordered_multimap& __u, const allocator_type& __a);
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap(unordered_multimap&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
|
|
unordered_multimap(unordered_multimap&& __u, const allocator_type& __a);
|
|
unordered_multimap(initializer_list<value_type> __il);
|
|
unordered_multimap(initializer_list<value_type> __il, size_type __n,
|
|
const hasher& __hf = hasher(),
|
|
const key_equal& __eql = key_equal());
|
|
unordered_multimap(initializer_list<value_type> __il, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql,
|
|
const allocator_type& __a);
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
#if _LIBCPP_STD_VER > 11
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap(size_type __n, const allocator_type& __a)
|
|
: unordered_multimap(__n, hasher(), key_equal(), __a) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap(size_type __n, const hasher& __hf, const allocator_type& __a)
|
|
: unordered_multimap(__n, __hf, key_equal(), __a) {}
|
|
template <class _InputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last, size_type __n, const allocator_type& __a)
|
|
: unordered_multimap(__first, __last, __n, hasher(), key_equal(), __a) {}
|
|
template <class _InputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap(_InputIterator __first, _InputIterator __last, size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multimap(__first, __last, __n, __hf, key_equal(), __a) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap(initializer_list<value_type> __il, size_type __n, const allocator_type& __a)
|
|
: unordered_multimap(__il, __n, hasher(), key_equal(), __a) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap(initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const allocator_type& __a)
|
|
: unordered_multimap(__il, __n, __hf, key_equal(), __a) {}
|
|
#endif
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
~unordered_multimap() {
|
|
static_assert(sizeof(__diagnose_unordered_container_requirements<_Key, _Hash, _Pred>(0)), "");
|
|
}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap& operator=(const unordered_multimap& __u)
|
|
{
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
__table_ = __u.__table_;
|
|
#else
|
|
if (this != &__u) {
|
|
__table_.clear();
|
|
__table_.hash_function() = __u.__table_.hash_function();
|
|
__table_.key_eq() = __u.__table_.key_eq();
|
|
__table_.max_load_factor() = __u.__table_.max_load_factor();
|
|
__table_.__copy_assign_alloc(__u.__table_);
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
#endif
|
|
return *this;
|
|
}
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap& operator=(unordered_multimap&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap& operator=(initializer_list<value_type> __il);
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
allocator_type get_allocator() const _NOEXCEPT
|
|
{return allocator_type(__table_.__node_alloc());}
|
|
|
|
_LIBCPP_NODISCARD_AFTER_CXX17 _LIBCPP_INLINE_VISIBILITY
|
|
bool empty() const _NOEXCEPT {return __table_.size() == 0;}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type size() const _NOEXCEPT {return __table_.size();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_size() const _NOEXCEPT {return __table_.max_size();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator begin() _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator end() _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator begin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator end() const _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cend() const _NOEXCEPT {return __table_.end();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __p, const value_type& __x)
|
|
{return __table_.__insert_multi(__p.__i_, __x);}
|
|
|
|
template <class _InputIterator>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void insert(_InputIterator __first, _InputIterator __last);
|
|
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void insert(initializer_list<value_type> __il)
|
|
{insert(__il.begin(), __il.end());}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(value_type&& __x) {return __table_.__insert_multi(_VSTD::move(__x));}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __p, value_type&& __x)
|
|
{return __table_.__insert_multi(__p.__i_, _VSTD::move(__x));}
|
|
|
|
template <class _Pp,
|
|
class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(_Pp&& __x)
|
|
{return __table_.__insert_multi(_VSTD::forward<_Pp>(__x));}
|
|
|
|
template <class _Pp,
|
|
class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __p, _Pp&& __x)
|
|
{return __table_.__insert_multi(__p.__i_, _VSTD::forward<_Pp>(__x));}
|
|
|
|
template <class... _Args>
|
|
iterator emplace(_Args&&... __args) {
|
|
return __table_.__emplace_multi(_VSTD::forward<_Args>(__args)...);
|
|
}
|
|
|
|
template <class... _Args>
|
|
iterator emplace_hint(const_iterator __p, _Args&&... __args) {
|
|
return __table_.__emplace_hint_multi(__p.__i_, _VSTD::forward<_Args>(__args)...);
|
|
}
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(const_iterator __p) {return __table_.erase(__p.__i_);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(iterator __p) {return __table_.erase(__p.__i_);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type erase(const key_type& __k) {return __table_.__erase_multi(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(const_iterator __first, const_iterator __last)
|
|
{return __table_.erase(__first.__i_, __last.__i_);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void clear() _NOEXCEPT {__table_.clear();}
|
|
|
|
#if _LIBCPP_STD_VER > 14
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(node_type&& __nh)
|
|
{
|
|
_LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(),
|
|
"node_type with incompatible allocator passed to unordered_multimap::insert()");
|
|
return __table_.template __node_handle_insert_multi<node_type>(
|
|
_VSTD::move(__nh));
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __hint, node_type&& __nh)
|
|
{
|
|
_LIBCPP_ASSERT(__nh.empty() || __nh.get_allocator() == get_allocator(),
|
|
"node_type with incompatible allocator passed to unordered_multimap::insert()");
|
|
return __table_.template __node_handle_insert_multi<node_type>(
|
|
__hint.__i_, _VSTD::move(__nh));
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
node_type extract(key_type const& __key)
|
|
{
|
|
return __table_.template __node_handle_extract<node_type>(__key);
|
|
}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
node_type extract(const_iterator __it)
|
|
{
|
|
return __table_.template __node_handle_extract<node_type>(
|
|
__it.__i_);
|
|
}
|
|
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_multi(__source.__table_);
|
|
}
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_multimap<key_type, mapped_type, _H2, _P2, allocator_type>&& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_multi(__source.__table_);
|
|
}
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_multi(__source.__table_);
|
|
}
|
|
template <class _H2, class _P2>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void merge(unordered_map<key_type, mapped_type, _H2, _P2, allocator_type>&& __source)
|
|
{
|
|
_LIBCPP_ASSERT(__source.get_allocator() == get_allocator(),
|
|
"merging container with incompatible allocator");
|
|
return __table_.__node_handle_merge_multi(__source.__table_);
|
|
}
|
|
#endif
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void swap(unordered_multimap& __u)
|
|
_NOEXCEPT_(__is_nothrow_swappable<__table>::value)
|
|
{__table_.swap(__u.__table_);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
hasher hash_function() const
|
|
{return __table_.hash_function().hash_function();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
key_equal key_eq() const
|
|
{return __table_.key_eq().key_eq();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator find(const key_type& __k) {return __table_.find(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator find(const key_type& __k) const {return __table_.find(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type count(const key_type& __k) const {return __table_.__count_multi(__k);}
|
|
#if _LIBCPP_STD_VER > 17
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool contains(const key_type& __k) const {return find(__k) != end();}
|
|
#endif // _LIBCPP_STD_VER > 17
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, iterator> equal_range(const key_type& __k)
|
|
{return __table_.__equal_range_multi(__k);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<const_iterator, const_iterator> equal_range(const key_type& __k) const
|
|
{return __table_.__equal_range_multi(__k);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type bucket_count() const _NOEXCEPT {return __table_.bucket_count();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_bucket_count() const _NOEXCEPT
|
|
{return __table_.max_bucket_count();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type bucket_size(size_type __n) const
|
|
{return __table_.bucket_size(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type bucket(const key_type& __k) const {return __table_.bucket(__k);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
local_iterator begin(size_type __n) {return __table_.begin(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
local_iterator end(size_type __n) {return __table_.end(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator begin(size_type __n) const {return __table_.cbegin(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator end(size_type __n) const {return __table_.cend(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator cbegin(size_type __n) const {return __table_.cbegin(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_local_iterator cend(size_type __n) const {return __table_.cend(__n);}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
float load_factor() const _NOEXCEPT {return __table_.load_factor();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
float max_load_factor() const _NOEXCEPT {return __table_.max_load_factor();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void max_load_factor(float __mlf) {__table_.max_load_factor(__mlf);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void rehash(size_type __n) {__table_.rehash(__n);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void reserve(size_type __n) {__table_.reserve(__n);}
|
|
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
|
|
bool __dereferenceable(const const_iterator* __i) const
|
|
{return __table_.__dereferenceable(&__i->__i_);}
|
|
bool __decrementable(const const_iterator* __i) const
|
|
{return __table_.__decrementable(&__i->__i_);}
|
|
bool __addable(const const_iterator* __i, ptrdiff_t __n) const
|
|
{return __table_.__addable(&__i->__i_, __n);}
|
|
bool __subscriptable(const const_iterator* __i, ptrdiff_t __n) const
|
|
{return __table_.__addable(&__i->__i_, __n);}
|
|
|
|
#endif // _LIBCPP_DEBUG_LEVEL >= 2
|
|
|
|
|
|
};
|
|
|
|
#ifndef _LIBCPP_HAS_NO_DEDUCTION_GUIDES
|
|
template<class _InputIterator,
|
|
class _Hash = hash<__iter_key_type<_InputIterator>>,
|
|
class _Pred = equal_to<__iter_key_type<_InputIterator>>,
|
|
class _Allocator = allocator<__iter_to_alloc_type<_InputIterator>>,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<!__is_allocator<_Pred>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type = 0,
|
|
_Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator())
|
|
-> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>, _Hash, _Pred, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Hash = hash<remove_const_t<_Key>>,
|
|
class _Pred = equal_to<remove_const_t<_Key>>,
|
|
class _Allocator = allocator<pair<const _Key, _Tp>>,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<!__is_allocator<_Pred>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type = 0,
|
|
_Hash = _Hash(), _Pred = _Pred(), _Allocator = _Allocator())
|
|
-> unordered_multimap<remove_const_t<_Key>, _Tp, _Hash, _Pred, _Allocator>;
|
|
|
|
template<class _InputIterator, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Allocator)
|
|
-> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>,
|
|
hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>;
|
|
|
|
template<class _InputIterator, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(_InputIterator, _InputIterator, _Allocator)
|
|
-> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>,
|
|
hash<__iter_key_type<_InputIterator>>, equal_to<__iter_key_type<_InputIterator>>, _Allocator>;
|
|
|
|
template<class _InputIterator, class _Hash, class _Allocator,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(_InputIterator, _InputIterator, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator)
|
|
-> unordered_multimap<__iter_key_type<_InputIterator>, __iter_mapped_type<_InputIterator>,
|
|
_Hash, equal_to<__iter_key_type<_InputIterator>>, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Allocator)
|
|
-> unordered_multimap<remove_const_t<_Key>, _Tp,
|
|
hash<remove_const_t<_Key>>,
|
|
equal_to<remove_const_t<_Key>>, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Allocator,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>, _Allocator)
|
|
-> unordered_multimap<remove_const_t<_Key>, _Tp,
|
|
hash<remove_const_t<_Key>>,
|
|
equal_to<remove_const_t<_Key>>, _Allocator>;
|
|
|
|
template<class _Key, class _Tp, class _Hash, class _Allocator,
|
|
class = _EnableIf<!__is_allocator<_Hash>::value>,
|
|
class = _EnableIf<!is_integral<_Hash>::value>,
|
|
class = _EnableIf<__is_allocator<_Allocator>::value>>
|
|
unordered_multimap(initializer_list<pair<_Key, _Tp>>, typename allocator_traits<_Allocator>::size_type, _Hash, _Allocator)
|
|
-> unordered_multimap<remove_const_t<_Key>, _Tp, _Hash,
|
|
equal_to<remove_const_t<_Key>>, _Allocator>;
|
|
#endif
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql,
|
|
const allocator_type& __a)
|
|
: __table_(__hf, __eql, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
_InputIterator __first, _InputIterator __last)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql, const allocator_type& __a)
|
|
: __table_(__hf, __eql, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
const allocator_type& __a)
|
|
: __table_(typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
const unordered_multimap& __u)
|
|
: __table_(__u.__table_)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__u.bucket_count());
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
const unordered_multimap& __u, const allocator_type& __a)
|
|
: __table_(__u.__table_, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__u.bucket_count());
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
|
|
#ifndef _LIBCPP_CXX03_LANG
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
unordered_multimap&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
|
|
: __table_(_VSTD::move(__u.__table_))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
__get_db()->swap(this, &__u);
|
|
#endif
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
unordered_multimap&& __u, const allocator_type& __a)
|
|
: __table_(_VSTD::move(__u.__table_), typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
if (__a != __u.get_allocator())
|
|
{
|
|
iterator __i = __u.begin();
|
|
while (__u.size() != 0)
|
|
{
|
|
__table_.__insert_multi(
|
|
__u.__table_.remove((__i++).__i_)->__value_.__move());
|
|
}
|
|
}
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
else
|
|
__get_db()->swap(this, &__u);
|
|
#endif
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
initializer_list<value_type> __il)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const key_equal& __eql, const allocator_type& __a)
|
|
: __table_(__hf, __eql, typename __table::allocator_type(__a))
|
|
{
|
|
#if _LIBCPP_DEBUG_LEVEL >= 2
|
|
__get_db()->__insert_c(this);
|
|
#endif
|
|
__table_.rehash(__n);
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(unordered_multimap&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<__table>::value)
|
|
{
|
|
__table_ = _VSTD::move(__u.__table_);
|
|
return *this;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>&
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::operator=(
|
|
initializer_list<value_type> __il)
|
|
{
|
|
__table_.__assign_multi(__il.begin(), __il.end());
|
|
return *this;
|
|
}
|
|
|
|
#endif // _LIBCPP_CXX03_LANG
|
|
|
|
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
inline
|
|
void
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
|
|
_InputIterator __last)
|
|
{
|
|
for (; __first != __last; ++__first)
|
|
__table_.__insert_multi(*__first);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
swap(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
_NOEXCEPT_(_NOEXCEPT_(__x.swap(__y)))
|
|
{
|
|
__x.swap(__y);
|
|
}
|
|
|
|
#if _LIBCPP_STD_VER > 17
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc, class _Predicate>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void erase_if(unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __c, _Predicate __pred)
|
|
{ __libcpp_erase_if_container(__c, __pred); }
|
|
#endif
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
bool
|
|
operator==(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{
|
|
if (__x.size() != __y.size())
|
|
return false;
|
|
typedef typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::const_iterator
|
|
const_iterator;
|
|
typedef pair<const_iterator, const_iterator> _EqRng;
|
|
for (const_iterator __i = __x.begin(), __ex = __x.end(); __i != __ex;)
|
|
{
|
|
_EqRng __xeq = __x.equal_range(__i->first);
|
|
_EqRng __yeq = __y.equal_range(__i->first);
|
|
if (_VSTD::distance(__xeq.first, __xeq.second) !=
|
|
_VSTD::distance(__yeq.first, __yeq.second) ||
|
|
!_VSTD::is_permutation(__xeq.first, __xeq.second, __yeq.first))
|
|
return false;
|
|
__i = __xeq.second;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
bool
|
|
operator!=(const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __x,
|
|
const unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>& __y)
|
|
{
|
|
return !(__x == __y);
|
|
}
|
|
|
|
_LIBCPP_END_NAMESPACE_STD
|
|
|
|
#endif // _LIBCPP_UNORDERED_MAP
|