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<?php
namespace Collections\Iterator;
use Collections\Pair;
class LazyZipIterator implements \Iterator
{
/**
* @var \Iterator
*/
private $it1;
private $it2;
public function __construct($it1, $it2)
$this->it1 = $it1;
$this->it2 = $it2;
}
public function __clone()
$this->it1 = clone $this->it1;
$this->it2 = clone $this->it2;
public function rewind()
$this->it1->rewind();
$this->it2->rewind();
public function valid()
return ($this->it1->valid() && $this->it2->valid());
public function next()
$this->it1->next();
$this->it2->next();
public function key()
return $this->it1->key();
public function current()
return new Pair($this->it1->current(), $this->it2->current());
italolelis /
collections
