{"ast_node_type":"variable","tokens":[{"end":72,"kind":"keyword","start":0,"text":"}"}]}
                    } else if let Some(s) = p.downcast_ref::<String>() {
                        eprintln!("infer panicked for {}: {}", full_name(), s);
                        eprintln!("infer panicked for {}: {}", full_name(), s);