std::stop_source::operator=

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std::stop_source & operator= ( const std::stop_source & other ) noexcept ;
(1) (since C++20)
std::stop_source & operator= ( std::stop_source && other ) noexcept ;
(2) (since C++20)

Replaces the stop-state with that of other.

1) Copy-assigns the stop-state of other to that of *this. Equivalent to stop_source(other).swap(*this)
2) Move-assigns the stop-state of other to that of *this. After the assignment, *this contains the previous stop-state of other, and other has no stop-state. Equivalent to stop_source(std:: move (other) ).swap ( *this)

Parameters

other - another stop_source object to share the stop-state with to or acquire the stop-state from