{"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"ty::FnDef(..)"}]}
                    ty::FnDef(..) | ty::FnPtr(..) => Some(tcx.types.usize),
                    ty::RawPtr(..) => Some(tcx.types.usize),
                    &ty::Pat(base, _) if base.is_integral() => {