static void *createNilObject(const redisReadTask *task) {
    redisReply *r, *parent;

    r = createReplyObject(REDIS_REPLY_NIL);
    if (r == NULL)
        return NULL;

    if (task->parent) {
        parent = task->parent->obj;
        assert(parent->type == REDIS_REPLY_ARRAY ||
               parent->type == REDIS_REPLY_MAP ||
               parent->type == REDIS_REPLY_SET ||
               parent->type == REDIS_REPLY_PUSH);
        parent->element[task->idx] = r;
    }
    return r;
}
static void *createNilObject(const redisReadTask *task) {
    redisReply *r, *parent;

    r = createReplyObject(REDIS_REPLY_NIL);
    if (r == NULL)
        return NULL;

    if (task->parent) {
        parent = task->parent->obj;
        assert(parent->type == REDIS_REPLY_ARRAY ||
               parent->type == REDIS_REPLY_MAP ||
               parent->type == REDIS_REPLY_SET ||
               parent->type == REDIS_REPLY_PUSH);
        parent->element[task->idx] = r;
    }
    return r;
}