{"ast_node_type":"variable","tokens":[{"end":162,"kind":"keyword","start":0,"text":"let"}]}
        let end = find_attr!(self.get_all_attrs(def_id), AttributeKind::RustcLayoutScalarValidRangeEnd(n, _) => Bound::Included(**n)).unwrap_or(Bound::Unbounded);
        let start = find_attr!(self.get_all_attrs(def_id), AttributeKind::RustcLayoutScalarValidRangeStart(n, _) => Bound::Included(**n)).unwrap_or(Bound::Unbounded);
        (start, end)