Operations states

first I’m sorry, I’m new to iOS development.
I have just started reading the Concurrency by Tutorial book.
and I just don’t understand this part (in the attached image):
what is the relationship between operation being a class that could have variables and gaining the ability to know what state the operation is in at any given point?

Screen Shot 2021-05-10 at 4.36.26 AM

hi Huda! the states isReady, isExecuting etc are class properties (vars)

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Thanks audrey, I finally understood it

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