std::swap(std::promise)
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Defined in header
<future> |
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template< class R >
void swap( promise<R> &lhs, promise<R> &rhs ) noexcept; |
(since C++11) | |
Specializes the std::swap algorithm for std::promise. Exchanges the shared state of lhs with that of rhs. Effectively calls lhs.swap(rhs).
Parameters
| lhs, rhs | - | promises whose states to swap |
Return value
(none)
Example
| This section is incomplete Reason: no example |
See also
| swaps two promise objects (public member function) |