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iOS Build a Restaurant Reviews App Retrieving Restaurant Details Using Operations Recap: Operations and KVO

Raymond Choy
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Raymond Choy
iOS Development with Swift Techdegree Graduate 11,187 Points

How does 'isReady" property class and KVO works in Swift

I have tried to enter a few answers but am struggling with this Quiz question. Can anyone please help?

Please fill in the correct answer in each blank provided below.

Given a situation where we have some objects observing the isReady property on a class, what line of code would you add to notify the observers that the value is about to change. Enter your code below.