std::set::emplace

 

C++

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std::set

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.

set::set

set::~set

set::operator=

set::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.

set::begin set::cbegin （C++11）

set::end set::cend （C++11）

set::rbegin set::crbegin （C++11）

set::rend set::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.

set::empty

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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.

set::clear

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set::emplace （C++11）

set::emplace_hint （C++11）

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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.

set::count

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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.

set::key_comp

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template< class... Args > std::pair<iterator,bool> emplace( Args&&... args );		（C++11 起）

一个新的元素插入到容器中。该元件是构成在就地，即没有复制或移动操作进行。 The constructor of the element is called with exactly the same arguments, as supplied to the function, forwarded with std::forward<Args>(args)....

Original:

Inserts a new element to the container. The element is constructed in-place, i.e. no copy or move operations are performed. The constructor of the element is called with exactly the same arguments, as supplied to the function, forwarded with std::forward<Args>(args)....

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No iterators or references are invalidated.

参数

args

-

元素的构造函数的参数转发 Original: arguments to forward to the constructor of the element 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

returns a pair consisting of a bool denoting whether the insertion took place and an iterator to the inserted element.

复杂性

Logarithmic in the size of the container.

另请参阅

emplace_hint （C++11）	构建了一丝元素的地方使用 Original: constructs elements in-place using a hint 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）
insert	插入元素 Original: inserts 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）