std::vector::clear

 

C++

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算法库

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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

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multimap

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unordered_multiset （C++11）

unordered_map （C++11）

unordered_multimap （C++11）

stack

queue

priority_queue

 

std::vector

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.

vector::vector

vector::~vector

vector::operator=

vector::assign

vector::get_allocator

元素的访问 Original: Element access The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions.

vector::at

vector::operator[]

vector::front

vector::back

vector::data （C++11）

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.

vector::begin vector::cbegin （C++11）

vector::end vector::cend （C++11）

vector::rbegin vector::crbegin （C++11）

vector::rend vector::crend （C++11）

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.

vector::empty

vector::size

vector::max_size

vector::reserve

vector::capacity

vector::shrink_to_fit （C++11）

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.

vector::clear

vector::insert

vector::emplace （C++11）

vector::erase

vector::push_back

vector::emplace_back （C++11）

vector::pop_back

vector::resize

vector::swap

 

void clear();

从容器中移除所有元素。 The allocated memory will not be released, effectively leaving the capacity of the vector unchanged.过去的end迭代器不会失效.

Original:

Removes all elements from the container. The allocated memory will not be released, effectively leaving the capacity of the vector unchanged. The past-the-end iterators are not invalidated.

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参数

（无）

Original:

(none)

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返回值

（无）

Original:

(none)

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例外

1-3)

noexcept specification:  

noexcept

  （C++11 起）

复杂性

线性的所述容器的大小.

Original:

linear in the size of the container.

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另请参阅

erase	擦除元素 Original: erases elements The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （公共成员函数）