lex.go in json5-go. This archived GitHub repository has a beautifully clean and clear example of a hand-written lexer in Go, for the JSON5 format (JSON + comments + multi-line strings). parser.go is worth a look too.
Recent articles
- Useful patterns for building HTML tools - 10th December 2025
- Under the hood of Canada Spends with Brendan Samek - 9th December 2025
- Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025