{"ast_node_type":"other","tokens":[{"end":64,"kind":"keyword","start":0,"text":"ty::Slice(_)"}]}
            ty::Slice(_) | ty::Str => Some(PointerKind::Length),
        Ok(match *t.kind() {
            ty::Dynamic(tty, _, ty::Dyn) => Some(PointerKind::VTable(tty)),