{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"Node::Crate(..)"}]}
            Node::Crate(..) => panic!("cannot print Crate"),
            Node::LetStmt(a) => self.print_local_decl(a),
            Node::WherePredicate(pred) => self.print_where_predicate(pred),