std::shared_future<T>:: operator=

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std::shared_future
(1)
shared_future & operator = ( const shared_future & other ) ;
(since C++11)
(until C++17)
shared_future & operator = ( const shared_future & other ) noexcept ;
(since C++17)
shared_future & operator = ( shared_future && other ) noexcept ;
(2) (since C++11)

Assigns the contents of another shared_future .

1) Releases any shared state and assigns the contents of other to * this . After the assignment, this - > valid ( ) == other. valid ( ) .
2) Releases any shared state and move-assigns the contents of other to * this . After the assignment, other. valid ( ) == false and this->valid() will yield the same value as other. valid ( ) before the assignment.

Parameters

other - a std::shared_future that will transfer state to * this

Return value

* this

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