Difference between revisions of "cpp/thread/promise/swap2"
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{{cpp/title | swap<small>(std::promise)</small>}} | {{cpp/title | swap<small>(std::promise)</small>}} | ||
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template< class R > | template< class R > | ||
void swap( promise<R> &lhs, promise<R> &rhs ); | void swap( promise<R> &lhs, promise<R> &rhs ); | ||
Revision as of 17:33, 9 July 2013
| Defined in header <future>
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| template< class R > void swap( promise<R> &lhs, promise<R> &rhs ); |
(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).
Contents |
Parameters
| lhs, rhs | - | promises whose states to swap |
Return value
(none)
Exceptions
noexcept specification:
noexcept
Example
| This section is incomplete Reason: no example |
See also
| swaps two promise objects (public member function) |
