| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* This file is part of the Nette Framework (https://nette.org) |
| 5 |
* Copyright (c) 2004 David Grudl (https://davidgrudl.com) |
| 6 |
*/ |
| 7 |
declare (strict_types=1); |
| 8 |
namespace Packetery\Nette\Iterators; |
| 9 |
|
| 10 |
/** |
| 11 |
* Applies the callback to the elements of the inner iterator. |
| 12 |
*/ |
| 13 |
class Mapper extends \IteratorIterator |
| 14 |
{ |
| 15 |
/** @var callable */ |
| 16 |
private $callback; |
| 17 |
public function __construct(\Traversable $iterator, callable $callback) |
| 18 |
{ |
| 19 |
parent::__construct($iterator); |
| 20 |
$this->callback = $callback; |
| 21 |
} |
| 22 |
public function current() |
| 23 |
{ |
| 24 |
return ($this->callback)(parent::current(), parent::key()); |
| 25 |
} |
| 26 |
} |
| 27 |
|
