astmaker — A DSL in Rust for programming language designers

GitHub - linkdd/astmaker: Build Abstract Syntax Trees and tree-walking models quickly in Rust.

While working on Letlang, I’ve had to design its AST with the Rust type system, which is a damn good fit for that use case!

Then, I started writing tree-walking algorithms to walk through that AST during the different phases of compilation (scope analysis, code…