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<?php
/**
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
declare(strict_types=1);
namespace loophp\iterators;
use Generator;
use Iterator;
use IteratorAggregate;
* @template TKey
* @template T
*
* @implements IteratorAggregate<TKey, T>
final class CachingIteratorAggregate implements IteratorAggregate
{
* @var SimpleCachingIteratorAggregate<int, array{0: TKey, 1: T}>
private SimpleCachingIteratorAggregate $iterator;
* @param Iterator<TKey, T> $iterator
public function __construct(Iterator $iterator)
$this->iterator = new SimpleCachingIteratorAggregate((new PackIterableAggregate($iterator))->getIterator());
}
* @return Generator<TKey, T>
public function getIterator(): Generator
foreach ($this->iterator as [$key, $current]) {
yield $key => $current;
public function hasNext(): bool
return $this->iterator->hasNext();
loophp /
iterators
