VTABLE PMC * get_pmc_keyed_int(INTVAL pos) {
        Parrot_QRPA_attributes *qrpa = PARROT_QRPA(SELF);
        INTVAL elems = qrpa->elems;

        if (pos < 0)
            pos += elems;

        if (pos < 0)
            Parrot_ex_throw_from_c_args(INTERP, NULL, EXCEPTION_OUT_OF_BOUNDS,
                    "QRPA: index out of bounds");

        if (pos >= elems)
            return PMCNULL;

        return qrpa->slots[pos];
    }