Pinq\Iterators\Generators\IteratorGenerator::__construct PHP Method

    public function __construct(IGenerator $iterator)
    {
        parent::__construct();
        $this->iterator = $iterator;
    }

 public function __construct(IGenerator $outerIterator, IGenerator $innerIterator)
 {
     parent::__construct($outerIterator);
     self::__constructIterator();
     $this->outerIterator =& $this->iterator;
     $this->innerIterator = $innerIterator;
 }