std::swap(std::promise)

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Threads
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thread(C++11)
this_thread命名空间
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this_thread namespace
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Mutual exclusion
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Generic lock management
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Condition variables
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std::promise
成员函数
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Member functions
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promise::promise
promise::~promise
promise::operator=
promise::swap
获得的结果
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Getting the result
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promise::get_future
设置的结果
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Setting the result
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promise::set_value
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Defined in header <future>
template< class R >
void swap( promise<R> &lhs, promise<R> &rhs );
(C++11 起)
。专为std::swapstd::promise算法。交流共享状态lhsrhs。有效地调用lhs.swap(rhs).
Original:
Specializes the std::swap algorithm for std::promise. Exchanges the shared state of lhs with that of rhs. Effectively calls lhs.swap(rhs).
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目录

[编辑] 。参数。

lhs, rhs -
。承诺交换的状态。
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promises whose states to swap
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===。 返回值。===

。 (无)。
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(none)
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[编辑] 。例外。

noexcept specification:  
noexcept
  (C++11 起)

[编辑] 。为例。

[编辑] 。另请参阅。

交换两个承诺的对象
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swaps two promise objects
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(公共成员函数) [edit]