Separation of concerns using protocols in Swift

www.swiftbysundell.com

Separation of concerns is a core principle when it comes to designing architectures and systems that are easy to maintain. It's the idea that each object or type should only know enough about its surroundings to do its work, and no more. However, even though it's a principle most programmers learn about early in their career, it's not always very easy to apply in practice. This week, let's take a look at how to more easily separate the concerns of various types in Swift using protocols.

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