{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"FieldOrTupleIdx::TupleIdx(f)"}]}
                        FieldOrTupleIdx::TupleIdx(f) => layout.tuple_field_offset(f).unwrap_or(0),
                        FieldOrTupleIdx::Field(f) => layout.field_offset(f).unwrap_or(0),
                    },