Rust has two form of macros: “macros by example” and “procedural macros.” The latter is basically a function from token streams to token streams, and macros by

Rust has two form of macros: “macros by example” and “procedural macros.” The latter is basically a function from token streams to token streams, and macros by example are more traditional macros which were initially designed by Dave Herman, who was heavily involved in Racket.