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<?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\DependencyInjection\Argument;
/**
* @internal
*/
class RewindableGenerator implements \IteratorAggregate, \Countable
{
private $generator;
private $count;
/**
* @param callable $generator
* @param int|callable $count
*/
public function __construct(callable $generator, $count)
{
$this->generator = $generator;
$this->count = $count;
}
public function getIterator()
{
$g = $this->generator;
return $g();
}
public function count()
{
if (\is_callable($count = $this->count)) {
$this->count = $count();
}
return $this->count;
}
}
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