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std::promise<R>:: swap

From cppreference.net
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std::promise
void swap ( promise & other ) noexcept ;
(自 C++11 起)

交换两个 promise 对象的共享状态。

目录

参数

其他 - 承诺与...交换

返回值

(无)

示例

本节内容不完整
原因：缺少示例

参见

(C++11)
特化 std::swap 算法
(函数模板)