Rust 1.33.0

# Procedural Macros (and custom Derive)

There is a new edition of the book and this is an old link.

> Procedural macros allow for all sorts of advanced metaprogramming in Rust.

This chapter does not exist yet in the second edition. You can check out other resources that describe macros.

- In the current edition: Ch 19.06 Macros
- In the Rust Reference: Ch 3.2 — Procedural Macros
- The `proc_macro` crate documentation
- In the first edition: Ch 4.13 — Procedural Macros (and custom Derive)