{"ast_node_type":"other","tokens":[{"end":100,"kind":"keyword","start":0,"text":"l.fields.offset(u32::from(f.into_raw())"}]}
                                    l.fields.offset(u32::from(f.into_raw()) as usize).bytes_usize();
                                let offset =
                                let ty = &field_types[f].clone().substitute(Interner, subst);