Swift Tutorial: Property Observers (willSet and didSet)

How to use willSet and didSet property observers in Swift classes to detect value changes.

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. Hit the like button, comment, subscribe, and hit the dinner bell to be notified of my next video! 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 Subscribe for more content, as I will be creating more tutorial and how-to videos for coding in Swift, as well as longer tutorials on building macOS apps. If you'd like to support my work to help me improve video quality and bring more content, please consider donating to my PayPal: paypal.com/paypalme/SwiftGoose Thank you for watching! Huge thank you to the channels below for helping me get started! Uncreated Light Press youtube.com/channel/UCcNI7mR_Nzulq0THjdrzlag and Mr. Macintosh youtube.com/channel/UC7FRPWLwRlhORhFHHywfqAg and The Apple Ninja youtube.com/c/JesseTheAppleNinja