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std::shared_future<T>:: operator=

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

다른 shared_future 의 내용을 할당합니다.

1) 공유 상태를 해제하고 other 의 내용을 * this 에 할당합니다. 할당 후에는 this - > valid ( ) == other. valid ( ) 입니다.
2) 공유 상태를 해제하고 other 의 내용을 * this 로 이동 할당합니다. 할당 후에는 other. valid ( ) == false 가 되며, this->valid() 는 할당 전 other. valid ( ) 가 반환하던 값과 동일한 값을 반환합니다.

매개변수

other - 상태를 std::shared_future 에서 * this 로 이전할

반환값

* this