NAME¶

std::swap(std::promise) - std::swap(std::promise)

Synopsis¶

Defined in header <future>
template< class R > (since C++11)
void swap( promise<R>& lhs, promise<R>& rhs ) noexcept;

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¶

swap swaps two promise objects
(public member function)

Category:¶

* Todo no example