std::swap(std::promise)
Defined in header <future> | | |
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template< class R > void swap( promise<R> &lhs, promise<R> &rhs ); | | (since C++11) |
专攻std::swap算法std::promise.交换lhs与...rhs.有效地打电话lhs.swap(rhs)...
参数
lhs, rhs | - | promises whose states to swap |
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返回值
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例外
noexcept规格:
noexcept
例
另见
swap | swaps two promise objects (public member function) |
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