Great article! Really accessible for a newbie. I&#x27;d love to see a comparison between using a manual lexer&#x2F;parser like the one seen here and using OMeta&#x2F;JS, which seems like a real time saver for people playing around with languages. <a href="https:&#x2F;&#x2F;github.com&#x2F;alexwarth&#x2F;ometa-js" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;alexwarth&#x2F;ometa-js</a>