Jyxo\Spl\CountableLimitIterator::__construct PHP Method

    public function __construct(\Iterator $iterator, int $offset = 0, int $count = -1, int $mode = self::MODE_PASS)
    {
        if (!$iterator instanceof \Countable) {
            throw new \InvalidArgumentException('Supplied iterator must be countable');
        }
        parent::__construct($iterator, $offset, $count);
        $this->offset = $offset;
        $this->count = $count;
        $this->mode = $mode;
    }