Function zcardCommand

app/redis-6.2.6/src/t_zset.c:3721–3729

}

void zcardCommand(client *c) {
    robj *key = c->argv[1];
    robj *zobj;

    if ((zobj = lookupKeyReadOrReply(c,key,shared.czero)) == NULL ||
        checkType(c,zobj,OBJ_ZSET)) return;

    addReplyLongLong(c,zsetLength(zobj));
}

void zscoreCommand(client *c) {
    robj *key = c->argv[1];