I've seen a capable combinator lib written in about 500 lines of Rust. Probably could be shorter if minimal loc were a goal. The one I use is called "nom", it's

I've seen a capable combinator lib written in about 500 lines of Rust. Probably could be shorter if minimal loc were a goal. The one I use is called "nom", it's very general and has a lot of built in functionality and options, so it's much larger than 500 lines to be sure.