Swift Programming Tutorial: Property Observers using didSet and willSet

How to run a code before or after a value changes

Photo by: Daniel Lerman on unsplash.com

For the sake of convenience, property observers are built so that developers doesn’t need to write a code repeatedly each time a value of a property (or a variable) changes. There are basically 2 kinds of property observers:

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Arc Sosangyo

Arc Sosangyo

Adfectus and ML Lingo on the App Store | Self-help Author | Coder | Traveler | Living in Japan