S2OJ/web/vendor/symfony/finder/Iterator/LazyIterator.php
2022-03-14 13:49:48 +00:00

33 lines
763 B
PHP

<?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 \Closure $iteratorFactory;
public function __construct(callable $iteratorFactory)
{
$this->iteratorFactory = $iteratorFactory instanceof \Closure ? $iteratorFactory : \Closure::fromCallable($iteratorFactory);
}
public function getIterator(): \Traversable
{
yield from ($this->iteratorFactory)();
}
}