Sohu Tech Products
Jan 22, 2025 · Mobile Development
A Comprehensive Guide to Swift Macros and SwiftSyntax Implementation
This guide explains Swift 5.9 macros—both attached and freestanding—detailing how the compiler expands them using SwiftSyntax’s AST manipulation, walks through creating and declaring macros, and demonstrates a PeerMacro that automatically generates async counterparts for completion‑handler functions, reducing boilerplate and improving code clarity.
CompilerMacro ExpansionSwift 5.9
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