Function zuiCompareByCardinality

app/redis-6.2.6/src/t_zset.c:2341–2347

}

int zuiCompareByCardinality(const void *s1, const void *s2) {
    unsigned long first = zuiLength((zsetopsrc*)s1);
    unsigned long second = zuiLength((zsetopsrc*)s2);
    if (first > second) return 1;
    if (first < second) return -1;
    return 0;
}

static int zuiCompareByRevCardinality(const void *s1, const void *s2) {
    return zuiCompareByCardinality(s1, s2) * -1;