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/* Copyright (C) 2015 Povilas Kanapickas <povilas@radix.lt>
This file is part of cppreference-doc
This work is licensed under the Creative Commons Attribution-ShareAlike 3.0
Unported License. To view a copy of this license, visit
http://creativecommons.org/licenses/by-sa/3.0/ or send a letter to Creative
Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU Free Documentation License, Version 1.3 or
any later
10000
version published by the Free Software Foundation; with no
Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
*/
#ifndef CPPREFERENCE_UNORDERED_MAP_H
#define CPPREFERENCE_UNORDERED_MAP_H
#if CPPREFERENCE_STDVER>= 2011
#include <initializer_list>
#include <cstddef> // for size_t, ptrdiff_t
#include <functional> // for hash
#include <iterator> // for std::reverse_iterator
#include <memory> // for std::allocator
#include <utility> // for std::pair
namespace std {
template <
class Key,
class T,
class Hash = std::hash<Key>,
class KeyEqual = std::equal_to<Key>,
class Allocator = std::allocator<std::pair<const Key, T>>
> class unordered_map {
public:
typedef Key key_type;
typedef T mapped_type;
typedef pair<const Key, T> value_type;
typedef size_t size_type; // actual type unspecified
typedef ptrdiff_t difference_type; // actual type not specified
typedef Allocator allocator_type;
typedef Hash hasher;
typedef KeyEqual key_equal;
typedef value_type& reference;
typedef const value_type& const_reference;
#if CPPREFERENCE_SIMPLIFY_TYPEDEFS
typedef value_type* pointer;
typedef const value_type* const_pointer;
#else
typedef typename std::allocator_traits<Allocator>::pointer pointer;
typedef typename std::allocator_traits<Allocator>::const_pointer const_pointer;
#endif
typedef value_type* iterator; // actual type is unspecified
typedef const value_type* const_iterator; // actual type is unspecified
typedef value_type* local_iterator; // actual type is unspecified
typedef const value_type* const_local_iterator; // actual type is unspecified
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
// constructor
// constructor
#if CPPREFERENCE_STDVER <2014
explicit unordered_map(size_type bucket_count = 0 /*implementation-defined*/,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
#else
unordered_map();
explicit unordered_map(size_type bucket_count,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
unordered_map(size_type bucket_count,
const Allocator& alloc);
unordered_map(size_type bucket_count,
const Hash& hash,
const Allocator& alloc);
#endif
explicit unordered_map(const Allocator& alloc);
template<class InputIt>
unordered_map(InputIt first, InputIt last,
size_type bucket_count = 0 /*implementation-defined*/,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
#if CPPREFERENCE_STDVER>= 2014
template<class InputIt>
unordered_map(InputIt first, InputIt last,
size_type bucket_count,
const Allocator& alloc);
template<class InputIt>
unordered_map(InputIt first, InputIt last,
size_type bucket_count,
const Hash& hash,
const Allocator& alloc);
#endif
unordered_map(const unordered_map& other);
unordered_map(const unordered_map& other, const Allocator& alloc);
unordered_map(unordered_map&& other);
unordered_map(unordered_map&& other, const Allocator& alloc);
unordered_map(std::initializer_list<value_type> init,
size_type bucket_count = /*implementation-defined*/0,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
#if CPPREFERENCE_STDVER>= 2014
unordered_map(std::initializer_list<value_type> init,
size_type bucket_count,
const Allocator& alloc);
unordered_map(std::initializer_list<value_type> init,
size_type bucket_count,
const Hash& hash,
const Allocator& alloc);
#endif
#if CPPREFERENCE_STDVER>= 2014
unordered_map(std::initializer_list<value_type> init, const Allocator& alloc);
#endif
~unordered_map();
unordered_map& operator=(const unordered_map& other);
unordered_map& operator=(unordered_map&& other);
unordered_map& operator=(initializer_list<value_type> ilist);
allocator_type get_allocator() const;
// element access
T& operator[](const Key& key);
T& operator[](Key&& key);
T& at(const Key& key);
const T& at(const Key& key) const;
// iterators
iterator begin();
const_iterator begin() const;
iterator end();
const_iterator end() const;
reverse_iterator rbegin();
const_reverse_iterator rbegin() const;
reverse_iterator rend();
const_reverse_iterator rend() const;
const_iterator cbegin() const;
const_iterator cend() const;
const_reverse_iterator crbegin() const;
const_reverse_iterator crend() const;
// capacity
bool empty() const;
size_type size() const;
size_type max_size() const;
// modifiers
void clear();
std::pair<iterator, bool> insert(const value_type& value);
template<class P>
std::pair<iterator, bool> insert(P&& value);
std::pair<iterator, bool> insert(value_type&& value);
iterator insert(const_iterator hint, const value_type& value);
template<class P>
iterator insert(const_iterator hint, P&& value);
template<class InputIt>
void insert(InputIt first, InputIt last);
void insert(std::initializer_list<value_type> ilist);
#if CPPREFERENCE_STDVER >= 2017
template<class M>
std::pair<iterator, bool> insert_or_assign(const Key& key, M&& obj);
template<class M>
std::pair<iterator, bool> insert_or_assign(Key&& key, M&& obj);
template<class M>
iterator insert_or_assign(const_iterator hint, const Key& key, M&& obj);
template<class M>
iterator insert_or_assign(const_iterator hint, Key&& key, M&& obj);
#endif
template<class... Args>
std::pair<iterator, bool> emplace(Args&& ... args);
template <class... Args>
iterator emplace_hint(const_iterator hint, Args&& ... args);
#if CPPREFERENCE_STDVER >= 2017
template<class... Args>
std::pair<iterator, bool> try_emplace(const Key& key, Args&& ... args);
template<class... Args>
std::pair<iterator, bool> try_emplace(Key&& key, Args&& ... args);
template<class... Args>
std::pair<iterator, bool> try_emplace(const_iterator hint, const Key& key, Args&& ... args);
template<class... Args>
std::pair<iterator, bool> try_emplace(const_iterator hint, Key&& key, Args&& ... args);
#endif
iterator erase(const_iterator pos);
iterator erase(const_iterator first, const_iterator last);
size_type erase(const key_type& key);
void swap(unordered_map& other);
// lookup
size_type count(const Key& key) const;
iterator find(const Key& key);
const_iterator find(const Key& key) const;
std::pair<iterator, iterator> equal_range(const Key& key);
std::pair<const_iterator, const_iterator> equal_range(const Key& key) const;
// bucket interface
local_iterator begin(size_type n);
const_local_iterator begin(size_type n) const;
const_local_iterator cbegin(size_type n) const;
local_iterator end(size_type n);
const_local_iterator end(size_type n) const;
const_local_iterator cend(size_type n) const;
size_type bucket_count() const;
size_type max_bucket_count() const;
size_type bucket_size(size_type n) const;
size_type bucket(const Key& key) const;
float load_factor() const;
float max_load_factor() const;
void max_load_factor(float ml);
void rehash(size_type count);
void reserve(size_type count);
// observers
hasher hash_function() const;
key_equal key_eq() const;
};
template<class Key, class T, class Hash, class KeyEqual, class Allocator>
bool operator==(const unordered_map<Key, T, Hash, KeyEqual, Allocator>& lhs,
const unordered_map<Key, T, Hash, KeyEqual, Allocator>& rhs);
template<class Key, class T, class Hash, class KeyEqual, class Allocator>
bool operator!=(const unordered_map<Key, T, Hash, KeyEqual, Allocator>& lhs,
const unordered_map<Key, T, Hash, KeyEqual, Allocator>& rhs);
template<class Key, class T, class Hash, class KeyEqual, class Alloc>
void swap(unordered_map<Key, T, Hash, KeyEqual, Alloc>& lhs,
unordered_map<Key, T, Hash, KeyEqual, Alloc>& rhs);
template <
class Key,
class T,
class Hash = std::hash<Key>,
class KeyEqual = std::equal_to<Key>,
class Allocator = std::allocator<std::pair<const Key, T>>
> class unordered_multimap {
public:
typedef Key key_type;
typedef T mapped_type;
typedef pair<const Key, T> value_type;
typedef size_t size_type; // actual type unspecified
typedef ptrdiff_t difference_type; // actual type not specified
typedef Allocator allocator_type;
typedef Hash hasher;
typedef KeyEqual key_equal;
typedef value_type& reference;
typedef const value_type& const_reference;
#if CPPREFERENCE_SIMPLIFY_TYPEDEFS
typedef value_type* pointer;
typedef const value_type* const_pointer;
#else
typedef typename std::allocator_traits<Allocator>::pointer pointer;
typedef typename std::allocator_traits<Allocator>::const_pointer const_pointer;
#endif
typedef T* iterator; // actual type is unspecified
typedef const T* const_iterator; // actual type is unspecified
typedef T* local_iterator; // actual type is unspecified
typedef const T* const_local_iterator; // actual type is unspecified
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
// constructor
// constructor
#if CPPREFERENCE_STDVER <2014
explicit unordered_multimap(size_type bucket_count = 0 /*implementation-defined*/,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
#else
unordered_multimap();
explicit unordered_multimap(size_type bucket_count,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
unordered_multimap(size_type bucket_count,
const Allocator& alloc);
unordered_multimap(size_type bucket_count,
const Hash& hash,
const Allocator& alloc);
#endif
explicit unordered_multimap(const Allocator& alloc);
template<class InputIt>
unordered_multimap(InputIt first, InputIt last,
size_type bucket_count = 0 /*implementation-defined*/,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
#if CPPREFERENCE_STDVER>= 2014
template<class InputIt>
unordered_multimap(InputIt first, InputIt last,
size_type bucket_count,
const Allocator& alloc);
template<class InputIt>
unordered_multimap(InputIt first, InputIt last,
size_type bucket_count,
const Hash& hash,
const Allocator& alloc);
#endif
unordered_multimap(const unordered_multimap& other);
unordered_multimap(const unordered_multimap& other, const Allocator& alloc);
unordered_multimap(unordered_multimap&& other);
unordered_multimap(unordered_multimap&& other, const Allocator& alloc);
unordered_multimap(std::initializer_list<value_type> init,
size_type bucket_count = /*implementation-defined*/0,
const Hash& hash = Hash(),
const KeyEqual& equal = KeyEqual(),
const Allocator& alloc = Allocator());
#if CPPREFERENCE_STDVER>= 2014
unordered_multimap(std::initializer_list<value_type> init,
size_type bucket_count,
const Allocator& alloc);
unordered_multimap(std::initializer_list<value_type> init,
size_type bucket_count,
const Hash& hash,
const Allocator& alloc);
#endif
#if CPPREFERENCE_STDVER>= 2014
unordered_multimap(std::initializer_list<value_type> init, const Allocator& alloc);
#endif
~unordered_multimap();
unordered_multimap& operator=(const unordered_multimap& other);
unordered_multimap& operator=(unordered_multimap&& other);
unordered_multimap& operator=(initializer_list<value_type> ilist);
allocator_type get_allocator() const;
// iterators
iterator begin();
const_iterator begin() const;
iterator end();
const_iterator end() const;
reverse_iterator rbegin();
const_reverse_iterator rbegin() const;
reverse_iterator rend();
const_reverse_iterator rend() const;
const_iterator cbegin() const;
const_iterator cend() const;
const_reverse_iterator crbegin() const;
const_reverse_iterator crend() const;
// capacity
bool empty() const;
size_type size() const;
size_type max_size() const;
// modifiers
void clear();
std::pair<iterator, bool> insert(const value_type& value);
template<class P>
std::pair<iterator, bool> insert(P&& value);
std::pair<iterator, bool> insert(value_type&& value);
iterator insert(const_iterator hint, const value_type& value);
template<class P>
iterator insert(const_iterator hint, P&& value);
template<class InputIt>
void insert(InputIt first, InputIt last);
void insert(std::initializer_list<value_type> ilist);
template<class... Args>
std::pair<iterator, bool> emplace(Args&& ... args);
template <class... Args>
iterator emplace_hint(const_iterator hint, Args&& ... args);
iterator erase(const_iterator pos);
iterator erase(const_iterator first, const_iterator last);
size_type erase(const key_type& key);
void swap(unordered_multimap& other);
// lookup
size_type count(const Key& key) const;
iterator find(const Key& key);
const_iterator find(const Key& key) const;
std::pair<iterator, iterator> equal_range(const Key& key);
std::pair<const_iterator, const_iterator> equal_range(const Key& key) const;
// bucket interface
local_iterator begin(size_type n);
const_local_iterator begin(size_type n) const;
const_local_iterator cbegin(size_type n) const;
local_iterator end(size_type n);
const_local_iterator end(size_type n) const;
const_local_iterator cend(size_type n) const;
size_type bucket_count() const;
size_type max_bucket_count() const;
size_type bucket_size(size_type n) const;
size_type bucket(const Key& key) const;
float load_factor() const;
float max_load_factor() const;
void max_load_factor(float ml);
void rehash(size_type count);
void reserve(size_type count);
// observers
hasher hash_function() const;
key_equal key_eq() const;
};
template<class Key, class T, class Hash, class KeyEqual, class Allocator>
bool operator==(const unordered_multimap<Key, T, Hash, KeyEqual, Allocator>& lhs,
const unordered_multimap<Key, T, Hash, KeyEqual, Allocator>& rhs);
template<class Key, class T, class Hash, class KeyEqual, class Allocator>
bool operator!=(const unordered_multimap<Key, T, Hash, KeyEqual, Allocator>& lhs,
const unordered_multimap<Key, T, Hash, KeyEqual, Allocator>& rhs);
template<class Key, class T, class Hash, class KeyEqual, class Alloc>
void swap(unordered_multimap<Key, T, Hash, KeyEqual, Alloc>& lhs,
unordered_multimap<Key, T, Hash, KeyEqual, Alloc>& rhs);
} // namespace std
#endif // CPPREFERENCE_STDVER>= 2011
#endif // CPPREFERENCE_UNORDERED_MAP_H