std::experimental::swap(std::experimental::promise)
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                    < cpp | experimental | lib extensions | promise
                    
                                                            
                    |   template< class R > void swap( std::experimental::promise<R> &lhs,  | 
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Overloads the swap algorithm for std::experimental::promise. Exchanges the 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 of std::promise<R>)  |