what is a swift macro?

Asked on 08/15/2024

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A Swift macro is a feature in the Swift programming language that acts as a compiler plugin. It takes the syntax tree of your code as input and returns transformed code as output. This allows developers to reduce repetitive boilerplate code and create more expressive APIs. Macros are part of Swift's efforts to enhance the language's flexibility and expressiveness, enabling developers to write more efficient and maintainable code. If you're interested in learning more about Swift macros, you might want to check out the session "Expand on Swift macros" mentioned in the context of the session A Swift Tour: Explore Swift’s features and design.