LazyIterator.php
672 字节
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Finder\Iterator;
/**
* @author Jérémy Derussé <jeremy@derusse.com>
*
* @internal
*/
class LazyIterator implements \IteratorAggregate
{
private $iteratorFactory;
public function __construct(callable $iteratorFactory)
{
$this->iteratorFactory = $iteratorFactory;
}
public function getIterator(): \Traversable
{
yield from ($this->iteratorFactory)();
}
}