Topic

Swift macros

A Swift language feature that generates code at compile time from annotations on declarations, letting libraries replace hand-written boilerplate with attributes the compiler expands.

Current clusters

build1 publisher

Expo Modules 2.0 reads a module's JavaScript surface off Swift declarations

In SDK 57 the DSL that listed what a module exposed becomes annotations on ordinary Swift methods, and Swift's own mutability and async keyword now decide what JavaScript sees. Views and Android come later.

Publishers:expo.dev

Reality

Evidence58
Adoption: Insufficient
Hype gap+20
Incentives85
Confidence60