{"ast_node_type":"other","tokens":[{"end":39,"kind":"keyword","start":0,"text":"ast::MatchExpr(it)"}]}
                ast::MatchExpr(it) => {
                // match foo { ..., pat => $0 }
                    let on_arrow = previous_non_trivia_token(token.clone()).is_some_and(|it| T![=>] == it.kind());