{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"(Bound::Unbounded,"}]}
                (Bound::Unbounded, Bound::Unbounded) => hir::Safety::Safe,
            let safety = match tcx.layout_scalar_valid_range(adt_def_id) {
                _ => hir::Safety::Unsafe,