Jez and Andy write a Parser

My friend Jez is back, and we make a start on a parser for the Cell language (in Rust, of course). You can find Jez at jezuk.co.uk and follow him at @jezhiggins@mastodon.me.uk . Soon after we finished recording, Jez reported to me that he&#x27;d got it passing all tests, and provided this code snippet: fn next_node(&mut self, prev: Option<AST>) -> Option<AST> { match self.next_token() {…