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std::future::share

STD：：未来：份额

std::shared_future share(​​

的共享状态。*this(如有的话)std::shared_future对象。倍数std::shared_future对象可能引用相同的共享状态，而std::future...

打电话后share在...上std::future，，，valid()== false...

参数

%280%29

返回值

阿std::shared_future对象，该对象包含以前由*this(如有的话)，犹如由std::shared_future<T>(std:move(*this))...

例外

noexcept规格：

noexcept

例

缺陷报告

以下行为更改缺陷报告追溯应用于先前发布的C++标准。

DRApplied toBehavior as publishedCorrect behavior
LWG 2556C++11share() requires valid() to be truerequirement removed and made noexcept

另见

shared_future (C++11)waits for a value (possibly referenced by other futures) that is set asynchronously (class template)

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