1865 lines
73 KiB
C++
1865 lines
73 KiB
C++
// -*- C++ -*-
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//===-------------------------- unordered_map -----------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP_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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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();
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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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iterator erase(const_iterator position);
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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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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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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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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();
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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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iterator erase(const_iterator position);
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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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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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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 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 <functional>
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#include <stdexcept>
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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 _Tp, class _Hash, bool = is_empty<_Hash>::value
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#if __has_feature(is_final)
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&& !__is_final(_Hash)
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#endif
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>
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class __unordered_map_hasher
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: private _Hash
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{
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typedef pair<typename remove_const<_Key>::type, _Tp> _Pp;
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typedef pair<const _Key, _Tp> _Cp;
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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 _Pp& __x) const
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{return static_cast<const _Hash&>(*this)(__x.first);}
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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.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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};
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template <class _Key, class _Tp, class _Hash>
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class __unordered_map_hasher<_Key, _Tp, _Hash, false>
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{
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_Hash __hash_;
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typedef pair<typename remove_const<_Key>::type, _Tp> _Pp;
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typedef pair<const _Key, _Tp> _Cp;
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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 _Pp& __x) const
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{return __hash_(__x.first);}
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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.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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};
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template <class _Key, class _Tp, class _Pred, bool = is_empty<_Pred>::value
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#if __has_feature(is_final)
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&& !__is_final(_Pred)
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#endif
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>
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class __unordered_map_equal
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: private _Pred
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{
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typedef pair<typename remove_const<_Key>::type, _Tp> _Pp;
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typedef pair<const _Key, _Tp> _Cp;
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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 _Pp& __x, const _Pp& __y) const
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{return static_cast<const _Pred&>(*this)(__x.first, __y.first);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Pp& __x, const _Cp& __y) const
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{return static_cast<const _Pred&>(*this)(__x.first, __y.first);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Pp& __x, const _Key& __y) const
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{return static_cast<const _Pred&>(*this)(__x.first, __y);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Cp& __x, const _Pp& __y) const
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{return static_cast<const _Pred&>(*this)(__x.first, __y.first);}
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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.first, __y.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.first, __y);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Key& __x, const _Pp& __y) const
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{return static_cast<const _Pred&>(*this)(__x, __y.first);}
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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.first);}
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_LIBCPP_INLINE_VISIBILITY
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bool operator()(const _Key& __x, const _Key& __y) const
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{return static_cast<const _Pred&>(*this)(__x, __y);}
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};
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template <class _Key, class _Tp, class _Pred>
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class __unordered_map_equal<_Key, _Tp, _Pred, false>
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{
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_Pred __pred_;
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typedef pair<typename remove_const<_Key>::type, _Tp> _Pp;
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typedef pair<const _Key, _Tp> _Cp;
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public:
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_LIBCPP_INLINE_VISIBILITY
|
|
__unordered_map_equal()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<_Pred>::value)
|
|
: __pred_() {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__unordered_map_equal(const _Pred& __p)
|
|
_NOEXCEPT_(is_nothrow_copy_constructible<_Pred>::value)
|
|
: __pred_(__p) {}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const _Pred& key_eq() const _NOEXCEPT {return __pred_;}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Pp& __x, const _Pp& __y) const
|
|
{return __pred_(__x.first, __y.first);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Pp& __x, const _Cp& __y) const
|
|
{return __pred_(__x.first, __y.first);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Pp& __x, const _Key& __y) const
|
|
{return __pred_(__x.first, __y);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Cp& __x, const _Pp& __y) const
|
|
{return __pred_(__x.first, __y.first);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Cp& __x, const _Cp& __y) const
|
|
{return __pred_(__x.first, __y.first);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Cp& __x, const _Key& __y) const
|
|
{return __pred_(__x.first, __y);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Key& __x, const _Pp& __y) const
|
|
{return __pred_(__x, __y.first);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Key& __x, const _Cp& __y) const
|
|
{return __pred_(__x, __y.first);}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool operator()(const _Key& __x, const _Key& __y) const
|
|
{return __pred_(__x, __y);}
|
|
};
|
|
|
|
template <class _Alloc>
|
|
class __hash_map_node_destructor
|
|
{
|
|
typedef _Alloc allocator_type;
|
|
typedef allocator_traits<allocator_type> __alloc_traits;
|
|
typedef typename __alloc_traits::value_type::value_type value_type;
|
|
public:
|
|
typedef typename __alloc_traits::pointer pointer;
|
|
private:
|
|
typedef typename value_type::first_type first_type;
|
|
typedef typename value_type::second_type second_type;
|
|
|
|
allocator_type& __na_;
|
|
|
|
__hash_map_node_destructor& operator=(const __hash_map_node_destructor&);
|
|
|
|
public:
|
|
bool __first_constructed;
|
|
bool __second_constructed;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
explicit __hash_map_node_destructor(allocator_type& __na) _NOEXCEPT
|
|
: __na_(__na),
|
|
__first_constructed(false),
|
|
__second_constructed(false)
|
|
{}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_node_destructor(__hash_node_destructor<allocator_type>&& __x)
|
|
_NOEXCEPT
|
|
: __na_(__x.__na_),
|
|
__first_constructed(__x.__value_constructed),
|
|
__second_constructed(__x.__value_constructed)
|
|
{
|
|
__x.__value_constructed = false;
|
|
}
|
|
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_node_destructor(const __hash_node_destructor<allocator_type>& __x)
|
|
: __na_(__x.__na_),
|
|
__first_constructed(__x.__value_constructed),
|
|
__second_constructed(__x.__value_constructed)
|
|
{
|
|
const_cast<bool&>(__x.__value_constructed) = false;
|
|
}
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void operator()(pointer __p) _NOEXCEPT
|
|
{
|
|
if (__second_constructed)
|
|
__alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.second));
|
|
if (__first_constructed)
|
|
__alloc_traits::destroy(__na_, _VSTD::addressof(__p->__value_.first));
|
|
if (__p)
|
|
__alloc_traits::deallocate(__na_, __p, 1);
|
|
}
|
|
};
|
|
|
|
template <class _HashIterator>
|
|
class _LIBCPP_TYPE_VIS __hash_map_iterator
|
|
{
|
|
_HashIterator __i_;
|
|
|
|
typedef pointer_traits<typename _HashIterator::pointer> __pointer_traits;
|
|
typedef const typename _HashIterator::value_type::first_type key_type;
|
|
typedef typename _HashIterator::value_type::second_type mapped_type;
|
|
public:
|
|
typedef forward_iterator_tag iterator_category;
|
|
typedef pair<key_type, mapped_type> value_type;
|
|
typedef typename _HashIterator::difference_type difference_type;
|
|
typedef value_type& reference;
|
|
typedef typename __pointer_traits::template
|
|
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
|
|
rebind<value_type>
|
|
#else
|
|
rebind<value_type>::other
|
|
#endif
|
|
pointer;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_iterator() _NOEXCEPT {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_iterator(_HashIterator __i) _NOEXCEPT : __i_(__i) {}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
reference operator*() const {return *operator->();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pointer operator->() const {return (pointer)__i_.operator->();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_iterator& operator++() {++__i_; return *this;}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
__hash_map_iterator operator++(int)
|
|
{
|
|
__hash_map_iterator __t(*this);
|
|
++(*this);
|
|
return __t;
|
|
}
|
|
|
|
friend _LIBCPP_INLINE_VISIBILITY
|
|
bool operator==(const __hash_map_iterator& __x, const __hash_map_iterator& __y)
|
|
{return __x.__i_ == __y.__i_;}
|
|
friend _LIBCPP_INLINE_VISIBILITY
|
|
bool operator!=(const __hash_map_iterator& __x, const __hash_map_iterator& __y)
|
|
{return __x.__i_ != __y.__i_;}
|
|
|
|
template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_map;
|
|
template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
|
|
template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
|
|
template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
|
|
template <class> friend class _LIBCPP_TYPE_VIS __hash_map_const_iterator;
|
|
};
|
|
|
|
template <class _HashIterator>
|
|
class _LIBCPP_TYPE_VIS __hash_map_const_iterator
|
|
{
|
|
_HashIterator __i_;
|
|
|
|
typedef pointer_traits<typename _HashIterator::pointer> __pointer_traits;
|
|
typedef const typename _HashIterator::value_type::first_type key_type;
|
|
typedef typename _HashIterator::value_type::second_type mapped_type;
|
|
public:
|
|
typedef forward_iterator_tag iterator_category;
|
|
typedef pair<key_type, mapped_type> value_type;
|
|
typedef typename _HashIterator::difference_type difference_type;
|
|
typedef const value_type& reference;
|
|
typedef typename __pointer_traits::template
|
|
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
|
|
rebind<const value_type>
|
|
#else
|
|
rebind<const value_type>::other
|
|
#endif
|
|
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 *operator->();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pointer operator->() const {return (pointer)__i_.operator->();}
|
|
|
|
_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_TYPE_VIS unordered_map;
|
|
template <class, class, class, class, class> friend class _LIBCPP_TYPE_VIS unordered_multimap;
|
|
template <class> friend class _LIBCPP_TYPE_VIS __hash_const_iterator;
|
|
template <class> friend class _LIBCPP_TYPE_VIS __hash_const_local_iterator;
|
|
};
|
|
|
|
template <class _Key, class _Tp, class _Hash = hash<_Key>, class _Pred = equal_to<_Key>,
|
|
class _Alloc = allocator<pair<const _Key, _Tp> > >
|
|
class _LIBCPP_TYPE_VIS unordered_map
|
|
{
|
|
public:
|
|
// types
|
|
typedef _Key key_type;
|
|
typedef _Tp mapped_type;
|
|
typedef _Hash hasher;
|
|
typedef _Pred key_equal;
|
|
typedef _Alloc allocator_type;
|
|
typedef pair<const key_type, mapped_type> value_type;
|
|
typedef value_type& reference;
|
|
typedef const value_type& const_reference;
|
|
|
|
private:
|
|
typedef pair<key_type, mapped_type> __value_type;
|
|
typedef __unordered_map_hasher<key_type, mapped_type, hasher> __hasher;
|
|
typedef __unordered_map_equal<key_type, mapped_type, key_equal> __key_equal;
|
|
typedef typename allocator_traits<allocator_type>::template
|
|
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
|
|
rebind_alloc<__value_type>
|
|
#else
|
|
rebind_alloc<__value_type>::other
|
|
#endif
|
|
__allocator_type;
|
|
|
|
typedef __hash_table<__value_type, __hasher,
|
|
__key_equal, __allocator_type> __table;
|
|
|
|
__table __table_;
|
|
|
|
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;
|
|
public:
|
|
typedef typename __alloc_traits::pointer pointer;
|
|
typedef typename __alloc_traits::const_pointer const_pointer;
|
|
typedef typename __alloc_traits::size_type size_type;
|
|
typedef typename __alloc_traits::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;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
|
|
{} // = default;
|
|
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);
|
|
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_HAS_NO_RVALUE_REFERENCES
|
|
unordered_map(unordered_map&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
|
|
unordered_map(unordered_map&& __u, const allocator_type& __a);
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
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_HAS_NO_GENERALIZED_INITIALIZERS
|
|
// ~unordered_map() = default;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_map& operator=(const unordered_map& __u)
|
|
{
|
|
__table_ = __u.__table_;
|
|
return *this;
|
|
}
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
unordered_map& operator=(unordered_map&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
|
|
#endif
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
unordered_map& operator=(initializer_list<value_type> __il);
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
allocator_type get_allocator() const _NOEXCEPT
|
|
{return allocator_type(__table_.__node_alloc());}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool empty() const _NOEXCEPT {return __table_.size() == 0;}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type size() const _NOEXCEPT {return __table_.size();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_size() const _NOEXCEPT {return __table_.max_size();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator begin() _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator end() _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator begin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator end() const _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cend() const _NOEXCEPT {return __table_.end();}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class... _Args>
|
|
pair<iterator, bool> emplace(_Args&&... __args);
|
|
|
|
template <class... _Args>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator emplace_hint(const_iterator, _Args&&... __args)
|
|
{return emplace(_VSTD::forward<_Args>(__args)...).first;}
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
pair<iterator, bool> insert(const value_type& __x)
|
|
{return __table_.__insert_unique(__x);}
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
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));}
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator, const value_type& __x)
|
|
{return insert(__x).first;}
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
template <class _Pp,
|
|
class = typename enable_if<is_constructible<value_type, _Pp>::value>::type>
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator, _Pp&& __x)
|
|
{return insert(_VSTD::forward<_Pp>(__x)).first;}
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
template <class _InputIterator>
|
|
void insert(_InputIterator __first, _InputIterator __last);
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void insert(initializer_list<value_type> __il)
|
|
{insert(__il.begin(), __il.end());}
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(const_iterator __p) {return __table_.erase(__p.__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();}
|
|
|
|
_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);}
|
|
_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_HAS_NO_RVALUE_REFERENCES
|
|
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);}
|
|
|
|
private:
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
__node_holder __construct_node();
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<value_type, _A0>::value,
|
|
__node_holder
|
|
>::type
|
|
__construct_node(_A0&& __a0);
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<key_type, _A0>::value,
|
|
__node_holder
|
|
>::type
|
|
__construct_node(_A0&& __a0);
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
template <class _A0, class _A1, class ..._Args>
|
|
__node_holder __construct_node(_A0&& __a0, _A1&& __a1, _Args&& ...__args);
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
__node_holder __construct_node(const key_type& __k);
|
|
#endif
|
|
};
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__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, __a)
|
|
{
|
|
__table_.rehash(__n);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
const allocator_type& __a)
|
|
: __table_(__a)
|
|
{
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
_InputIterator __first, _InputIterator __last)
|
|
{
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__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, __a)
|
|
{
|
|
__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_)
|
|
{
|
|
__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_, __a)
|
|
{
|
|
__table_.rehash(__u.bucket_count());
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
unordered_map&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
|
|
: __table_(_VSTD::move(__u.__table_))
|
|
{
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
unordered_map&& __u, const allocator_type& __a)
|
|
: __table_(_VSTD::move(__u.__table_), __a)
|
|
{
|
|
if (__a != __u.get_allocator())
|
|
{
|
|
iterator __i = __u.begin();
|
|
while (__u.size() != 0)
|
|
__table_.__insert_unique(
|
|
_VSTD::move(__u.__table_.remove((__i++).__i_)->__value_)
|
|
);
|
|
}
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
initializer_list<value_type> __il)
|
|
{
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_map(
|
|
initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__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, __a)
|
|
{
|
|
__table_.rehash(__n);
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
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;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
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_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
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()
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_));
|
|
__h.get_deleter().__first_constructed = true;
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<pair<const _Key, _Tp>, _A0>::value,
|
|
typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
>::type
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0)
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_),
|
|
_VSTD::forward<_A0>(__a0));
|
|
__h.get_deleter().__first_constructed = true;
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<_Key, _A0>::value,
|
|
typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
>::type
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0)
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_.first),
|
|
_VSTD::forward<_A0>(__a0));
|
|
__h.get_deleter().__first_constructed = true;
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _A0, class _A1, class ..._Args>
|
|
typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0,
|
|
_A1&& __a1,
|
|
_Args&&... __args)
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_),
|
|
_VSTD::forward<_A0>(__a0), _VSTD::forward<_A1>(__a1),
|
|
_VSTD::forward<_Args>(__args)...);
|
|
__h.get_deleter().__first_constructed = true;
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class... _Args>
|
|
pair<typename unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator, bool>
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::emplace(_Args&&... __args)
|
|
{
|
|
__node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
|
|
pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get());
|
|
if (__r.second)
|
|
__h.release();
|
|
return __r;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#else // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
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(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_.first), __k);
|
|
__h.get_deleter().__first_constructed = true;
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
|
|
__h.get_deleter().__second_constructed = true;
|
|
return _VSTD::move(__h);
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
void
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::insert(_InputIterator __first,
|
|
_InputIterator __last)
|
|
{
|
|
for (; __first != __last; ++__first)
|
|
__table_.__insert_unique(*__first);
|
|
}
|
|
|
|
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(__k);
|
|
pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get());
|
|
__h.release();
|
|
return __r.first->second;
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
_Tp&
|
|
unordered_map<_Key, _Tp, _Hash, _Pred, _Alloc>::operator[](key_type&& __k)
|
|
{
|
|
iterator __i = find(__k);
|
|
if (__i != end())
|
|
return __i->second;
|
|
__node_holder __h = __construct_node(_VSTD::move(__k));
|
|
pair<iterator, bool> __r = __table_.__node_insert_unique(__h.get());
|
|
__h.release();
|
|
return __r.first->second;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
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);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__i == end())
|
|
throw out_of_range("unordered_map::at: key not found");
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
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);
|
|
#ifndef _LIBCPP_NO_EXCEPTIONS
|
|
if (__i == end())
|
|
throw out_of_range("unordered_map::at: key not found");
|
|
#endif // _LIBCPP_NO_EXCEPTIONS
|
|
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);
|
|
}
|
|
|
|
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_TYPE_VIS unordered_multimap
|
|
{
|
|
public:
|
|
// types
|
|
typedef _Key key_type;
|
|
typedef _Tp mapped_type;
|
|
typedef _Hash hasher;
|
|
typedef _Pred key_equal;
|
|
typedef _Alloc allocator_type;
|
|
typedef pair<const key_type, mapped_type> value_type;
|
|
typedef value_type& reference;
|
|
typedef const value_type& const_reference;
|
|
|
|
private:
|
|
typedef pair<key_type, mapped_type> __value_type;
|
|
typedef __unordered_map_hasher<key_type, mapped_type, hasher> __hasher;
|
|
typedef __unordered_map_equal<key_type, mapped_type, key_equal> __key_equal;
|
|
typedef typename allocator_traits<allocator_type>::template
|
|
#ifndef _LIBCPP_HAS_NO_TEMPLATE_ALIASES
|
|
rebind_alloc<__value_type>
|
|
#else
|
|
rebind_alloc<__value_type>::other
|
|
#endif
|
|
__allocator_type;
|
|
|
|
typedef __hash_table<__value_type, __hasher,
|
|
__key_equal, __allocator_type> __table;
|
|
|
|
__table __table_;
|
|
|
|
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;
|
|
public:
|
|
typedef typename __alloc_traits::pointer pointer;
|
|
typedef typename __alloc_traits::const_pointer const_pointer;
|
|
typedef typename __alloc_traits::size_type size_type;
|
|
typedef typename __alloc_traits::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;
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap()
|
|
_NOEXCEPT_(is_nothrow_default_constructible<__table>::value)
|
|
{} // = default;
|
|
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);
|
|
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_HAS_NO_RVALUE_REFERENCES
|
|
unordered_multimap(unordered_multimap&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value);
|
|
unordered_multimap(unordered_multimap&& __u, const allocator_type& __a);
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
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_HAS_NO_GENERALIZED_INITIALIZERS
|
|
// ~unordered_multimap() = default;
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap& operator=(const unordered_multimap& __u)
|
|
{
|
|
__table_ = __u.__table_;
|
|
return *this;
|
|
}
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
unordered_multimap& operator=(unordered_multimap&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_assignable<__table>::value);
|
|
#endif
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
unordered_multimap& operator=(initializer_list<value_type> __il);
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
allocator_type get_allocator() const _NOEXCEPT
|
|
{return allocator_type(__table_.__node_alloc());}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
bool empty() const _NOEXCEPT {return __table_.size() == 0;}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type size() const _NOEXCEPT {return __table_.size();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
size_type max_size() const _NOEXCEPT {return __table_.max_size();}
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator begin() _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator end() _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator begin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator end() const _NOEXCEPT {return __table_.end();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cbegin() const _NOEXCEPT {return __table_.begin();}
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
const_iterator cend() const _NOEXCEPT {return __table_.end();}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class... _Args>
|
|
iterator emplace(_Args&&... __args);
|
|
|
|
template <class... _Args>
|
|
iterator emplace_hint(const_iterator __p, _Args&&... __args);
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const value_type& __x) {return __table_.__insert_multi(__x);}
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
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));}
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator insert(const_iterator __p, const value_type& __x)
|
|
{return __table_.__insert_multi(__p.__i_, __x);}
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
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));}
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
template <class _InputIterator>
|
|
void insert(_InputIterator __first, _InputIterator __last);
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
void insert(initializer_list<value_type> __il)
|
|
{insert(__il.begin(), __il.end());}
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
_LIBCPP_INLINE_VISIBILITY
|
|
iterator erase(const_iterator __p) {return __table_.erase(__p.__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();}
|
|
|
|
_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);}
|
|
_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);}
|
|
|
|
private:
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
__node_holder __construct_node();
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<value_type, _A0>::value,
|
|
__node_holder
|
|
>::type
|
|
__construct_node(_A0&& __a0);
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<key_type, _A0>::value,
|
|
__node_holder
|
|
>::type
|
|
__construct_node(_A0&& __a0);
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
template <class _A0, class _A1, class ..._Args>
|
|
__node_holder __construct_node(_A0&& __a0, _A1&& __a1, _Args&& ...__args);
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
};
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
size_type __n, const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__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, __a)
|
|
{
|
|
__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)
|
|
{
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
_InputIterator __first, _InputIterator __last, size_type __n,
|
|
const hasher& __hf, const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__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, __a)
|
|
{
|
|
__table_.rehash(__n);
|
|
insert(__first, __last);
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
const allocator_type& __a)
|
|
: __table_(__a)
|
|
{
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
const unordered_multimap& __u)
|
|
: __table_(__u.__table_)
|
|
{
|
|
__table_.rehash(__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_, __a)
|
|
{
|
|
__table_.rehash(__u.bucket_count());
|
|
insert(__u.begin(), __u.end());
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
unordered_multimap&& __u)
|
|
_NOEXCEPT_(is_nothrow_move_constructible<__table>::value)
|
|
: __table_(_VSTD::move(__u.__table_))
|
|
{
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
unordered_multimap&& __u, const allocator_type& __a)
|
|
: __table_(_VSTD::move(__u.__table_), __a)
|
|
{
|
|
if (__a != __u.get_allocator())
|
|
{
|
|
iterator __i = __u.begin();
|
|
while (__u.size() != 0)
|
|
{
|
|
__table_.__insert_multi(
|
|
_VSTD::move(__u.__table_.remove((__i++).__i_)->__value_)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
initializer_list<value_type> __il)
|
|
{
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::unordered_multimap(
|
|
initializer_list<value_type> __il, size_type __n, const hasher& __hf,
|
|
const key_equal& __eql)
|
|
: __table_(__hf, __eql)
|
|
{
|
|
__table_.rehash(__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, __a)
|
|
{
|
|
__table_.rehash(__n);
|
|
insert(__il.begin(), __il.end());
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
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;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
#ifndef _LIBCPP_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
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_HAS_NO_GENERALIZED_INITIALIZERS
|
|
|
|
#ifndef _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node()
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_));
|
|
__h.get_deleter().__first_constructed = true;
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<pair<const _Key, _Tp>, _A0>::value,
|
|
typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
>::type
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0)
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_),
|
|
_VSTD::forward<_A0>(__a0));
|
|
__h.get_deleter().__first_constructed = true;
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _A0>
|
|
typename enable_if
|
|
<
|
|
is_constructible<_Key, _A0>::value,
|
|
typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
>::type
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(_A0&& __a0)
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_.first),
|
|
_VSTD::forward<_A0>(__a0));
|
|
__h.get_deleter().__first_constructed = true;
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_.second));
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
#ifndef _LIBCPP_HAS_NO_VARIADICS
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _A0, class _A1, class ..._Args>
|
|
typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__node_holder
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::__construct_node(
|
|
_A0&& __a0, _A1&& __a1, _Args&&... __args)
|
|
{
|
|
__node_allocator& __na = __table_.__node_alloc();
|
|
__node_holder __h(__node_traits::allocate(__na, 1), _Dp(__na));
|
|
__node_traits::construct(__na, _VSTD::addressof(__h->__value_),
|
|
_VSTD::forward<_A0>(__a0), _VSTD::forward<_A1>(__a1),
|
|
_VSTD::forward<_Args>(__args)...);
|
|
__h.get_deleter().__first_constructed = true;
|
|
__h.get_deleter().__second_constructed = true;
|
|
return __h;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class... _Args>
|
|
typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::emplace(_Args&&... __args)
|
|
{
|
|
__node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
|
|
iterator __r = __table_.__node_insert_multi(__h.get());
|
|
__h.release();
|
|
return __r;
|
|
}
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class... _Args>
|
|
typename unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::iterator
|
|
unordered_multimap<_Key, _Tp, _Hash, _Pred, _Alloc>::emplace_hint(
|
|
const_iterator __p, _Args&&... __args)
|
|
{
|
|
__node_holder __h = __construct_node(_VSTD::forward<_Args>(__args)...);
|
|
iterator __r = __table_.__node_insert_multi(__p.__i_, __h.get());
|
|
__h.release();
|
|
return __r;
|
|
}
|
|
|
|
#endif // _LIBCPP_HAS_NO_VARIADICS
|
|
#endif // _LIBCPP_HAS_NO_RVALUE_REFERENCES
|
|
|
|
template <class _Key, class _Tp, class _Hash, class _Pred, class _Alloc>
|
|
template <class _InputIterator>
|
|
inline _LIBCPP_INLINE_VISIBILITY
|
|
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);
|
|
}
|
|
|
|
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
|