What is a Macro in Swift?

A macro is a compile-time feature introduced in Swift 5.9 (with Xcode 15) that allows developers to write code that generates other code during compilation.

Oscar de la Hera Gomez
Written by Oscar de la Hera Gomez
First published on 08/14/2024 at 10:59
Last Updated on 08/16/2024 at 13:52
<p>Two flowers that represents SwiftUI and XCode side by side with the text “Macros" beneath it.</p>

A macro is a compile-time feature introduced in Swift 5.9 (with Xcode 15) that allows developers to write code that generates other code during compilation.

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Macro's are a great way to make your codebase more expressive and easier to read by reducing all the boilerplate code that needs to be written.

The most common Macro is the Observable that allows that enables observation in SwiftUI empowering apps to track model properties and makes relevant UI updates when properties change.

To learn more about Macros consult the links below.

Apple: Applying MacrosApple: Write Swift Macros (WWDC23)Apple: Expand on Swift Macros (WWDC23)

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