std::queue::emplace
STD::Queue::Emplace
template< class... Args > void emplace( Args&&... args | | (since C++11) (until C++17) |
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template< class... Args > reference emplace( Args&&... args | | (since C++17) |
将新元素推入队列的末尾。元素是就地构造的,即不执行复制或移动操作。调用元素的构造函数的参数与提供给函数的参数完全相同。
有效呼叫return c.emplace_back(std::forward<Args>(args)...
参数
args | - | arguments to forward to the constructor of the element |
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返回值
(none) | (until C++17) |
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A reference to the new element. | (since C++17) |
复杂性
与…的复杂性相同Container::emplace_back
...
另见
push | inserts element at the end (public member function) |
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pop | removes the first element (public member function) |
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