/**
* Constructor.
*
* @param \Iterator $iterator Iterator with string array elements
* @param \Closure $transformer Altering a data row
*/
public function __construct(\Iterator $iterator, \Closure $transformer)
{
parent::__construct($iterator);
$this->transformer = $transformer;
}
/**
* @param array $data
*/
public function __construct(array $data)
{
parent::__construct(new \ArrayIterator($data));
}