std::multimap::emplace
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template< class... Args > iterator 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 type (
value_type
, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....原文:
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 type (
value_type
, that is, std::pair<const Key, T>) is called with exactly the same arguments as supplied to the function, forwarded with std::forward<Args>(args)....No iterators or references are invalidated.
目录 |
[编辑] 参数
args | - | 元素的构造函数的参数转发
原文: arguments to forward to the constructor of the element |
[编辑] 返回值
returns an iterator to the inserted element.
[编辑] 复杂性
Logarithmic in the size of the container.
[编辑] 另请参阅
(C++11) |
构建了一丝元素的地方使用 原文: constructs elements in-place using a hint (公共成员函数) |
插入元素 (公共成员函数) |