operator=,!=(std::unordered_map)

 

C++

语言

概念

实用工具库

字符串库

集装箱库

算法库

迭代器库

Numerics库

输入/输出库

本地化库

正则表达式库 （C++11）

原子操作库 （C++11）

线程的支持库 （C++11）

 

容器库

array （C++11）

vector

deque

forward_list （C++11）

list

set

multiset

map

multimap

unordered_set （C++11）

unordered_multiset （C++11）

unordered_map （C++11）

unordered_multimap （C++11）

stack

queue

priority_queue

 

std::unordered_map

成员函数 Original: Member functions The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::unordered_map

unordered_map::~unordered_map

unordered_map::operator=

unordered_map::get_allocator

迭代器 Original: Iterators The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::begin unordered_map::cbegin

unordered_map::end unordered_map::cend

容量 Original: Capacity The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::erase

unordered_map::size

unordered_map::max_size

修饰符 Original: Modifiers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::clear

unordered_map::insert

unordered_map::emplace

unordered_map::emplace_hint

unordered_map::erase

unordered_map::swap

查找 Original: Lookup The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::count

unordered_map::find

unordered_map::equal_range

斗接口 Original: Bucket interface The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::begin2

unordered_map::end2

unordered_map::bucket_count

unordered_map::max_bucket_count

unordered_map::bucket_size

unordered_map::bucket

哈希政策 Original: Hash policy The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::load_factor

unordered_map::max_load_factor

unordered_map::rehash

unordered_map::reserve

观察员 Original: Observers The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

unordered_map::hash_function

unordered_map::key_eq

 

template< class Key, class T, class Hash, class KeyEqual, class Allocator > void operator=( unordered_map<Key,T,Hash,KeyEqual,Allocator> &lhs,                 unordered_map<Key,T,Hash,KeyEqual,Allocator> &rhs);	(1)
template< class Key, class T, class Hash, class KeyEqual, class Allocator > void operator!=( unordered_map<Key,T,Hash,KeyEqual,Allocator> &lhs,                  unordered_map<Key,T,Hash,KeyEqual,Allocator> &rhs);	(2)

进行比较的两个内容无序容器.

Original:

Compares the contents of two unordered containers.

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

两个无序的容器lhsrhs是等价的，如果满足下列条件：1

Original:

The contents of two unordered containers lhs and rhs are equivalent if the following conditions hold:

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

• lhs.size() == rhs.size()
• 等价密钥[lhs_eq1, lhs_eq2)每个组都有一个对应的组的等价密钥在其他容器[rhs_eq1, rhs_eq2)，即具有以下属性：

  Original:

  each group of equivalent keys [lhs_eq1, lhs_eq2) has a corresponding group of equivalent keys in the other container [rhs_eq1, rhs_eq2), that has the following properties:

  The text has been machine-translated via Google Translate.
  You can help to correct and verify the translation. Click here for instructions.

• std::distance(lhs_eq1, lhs_eq2) == std::distance(rhs_eq1, rhs_eq2).
• std::is_permutation(lhs_eq1, lhs_eq2, rhs_eq1) == true.

参数

lhs, rhs

-

无序的容器进行比较 Original: unordered containers to compare The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

返回值

1)

true的容器中的内容是否是等效，false否则

Original:

true if the contents of the containers are equivalent, false otherwise

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

2)

true如果容器的内容是不等价的，false否则

Original:

true if the contents of the containers are not equivalent, false otherwise

The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

复杂性

N comparisons of the keys in the average case, N² in the worst case, where N is the size of the container.