{"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"Node::LetStmt(a)"}]}
            Node::LetStmt(a) => self.print_local_decl(a),
            Node::Ctor(..) => panic!("cannot print isolated Ctor"),
            Node::Crate(..) => panic!("cannot print Crate"),