Rust Macros

Comprehensive guide based on The Little Book of Rust Macros, the Rust Reference, and procedural macro workshop materials.

When to Use This Skill

• Writing macro_rules! declarative macros
• Creating derive macros (#[derive(MyTrait)])
• Creating attribute macros (#[my_attr])
• Creating function-like proc macros (my_macro!(...))
• Debugging macro expansion issues
• Understanding hygiene, metavariables, and fragment specifiers

Declarative Macros (macro_rules!)

Basic Syntax