Andrew Bancroft • 5/5/2016

Working with Swift: Adopt a Protocol or Pass a Function?

This article discusses a key architectural decision in Swift development: whether to create and adopt a protocol or simply pass a function. Drawing from Rob Napier's dotSwift 2016 talk, it provides rules of thumb for when each approach is more appropriate. For single-function or short-lived dependencies, passing a function is simpler and more concise. For multiple related functions or long-lived relationships, protocols offer cleaner abstraction. The article includes practical examples and guidance to help developers make informed design choices, emphasizing clarity and simplicity in Swift code.

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#software architecture #functions #Protocols