static void callReplyParseCollection(ReplyParser *parser, CallReply *rep, size_t len, const char *proto, size_t elements_per_entry) {
    rep->len = len;
    rep->val.array = zcalloc(elements_per_entry * len * sizeof(CallReply));
    for (size_t i = 0; i < len * elements_per_entry; i += elements_per_entry) {
        for (size_t j = 0 ; j < elements_per_entry ; ++j) {
            // here lost the ctx
            parseReply(parser, rep->val.array + i + j); 
            rep->val.array[i + j].flags |= REPLY_FLAG_PARSED;
            rep->val.array[i + j].private_data = rep->private_data;
            if (rep->val.array[i + j].flags & REPLY_FLAG_RESP3) {
                /* If one of the sub-replies is RESP3, then the current reply is also RESP3. */
                rep->flags |= REPLY_FLAG_RESP3;
            }
        }
    }
    rep->proto = proto;
    rep->proto_len = parser->curr_location - proto;
}