Meon - declarative parsing engine with no AST

· Users Rust Lang · July 5, 2026, 5:43 p.m.
Summary
This post introduces 'Meon', a declarative flat-parsing engine that eliminates the need for an Abstract Syntax Tree (AST) and uses a novel approach to output flat arrays. The author shares their journey from creating a simple Markdown parser to developing a versatile engine with applications for JSON parsing, showcasing design iterations and the architecture of the project. It also highlights the performance benchmarks against comparable libraries and invites community feedback for further refinement.
AUTHOR
Sponsored
Zulip logo Zulip
Organized team chat for people who take work seriously. Topic-based threading keeps conversations focused.
Try Zulip
Become a sponsor →