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didSet() and willSet() Methods in Swift

Learn how to automatically trigger actions when properties change.

Photo by Blake Connally on Unsplash

In Swift, property observers make observations on properties. They get triggered when an observed property changes.

According to Swift Docs:

Property observers observe and respond to changes in a…




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Artturi Jalli

Artturi Jalli

I’m a tech expert, entrepreneur, and software engineer from Finland. I write about programming, tech, and science. Visit my blog at

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