Fir is getting useful

A few months ago I implemented a PEG parser generator in Fir. It parses its own grammar and it’s also used to parse Fir . This week I finished another sizable 1 Fir project: a code formatter for Fir . It now formats most of the Fir code in the repo 2 . Fir is being designed and implemented from day one with tooling, libraries, and backwards compatibility in mind. The compiler’s front-end is…