Swift Tutorial: Property Observers (willSet and didSet)

In this Swift tutorial we’ll look at how to use property observers and willSet / didSet inside of a Swift class, and how to make the observer only respond when there is a change, not EVERY change.

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00:00 Intro
00:30 Create class & property observers
01:36 Initializer & helper method
02:15 Testing observers
02:55 Set observers to only detect true change
04:03 End

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