{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"inputs_and_output.skip_binder().split_last().unwrap();"}]}
                    inputs_and_output.skip_binder().split_last().unwrap();
                let (&output, tuplized_inputs) =
                assert_eq!(tuplized_inputs.len(), 1, "multiple closure inputs");