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Revision Autor Zeilennr. Zeile
148 lars 1 
<?php
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/**
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 * This file is part of the Nette Framework (https://nette.org)
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 * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
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 */
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declare(strict_types=1);
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namespace Nette\Iterators;
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/**
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 * Applies the callback to the elements of the inner iterator.
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 */
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class Mapper extends \IteratorIterator
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{
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	/** @var callable */
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	private $callback;
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	public function __construct(\Traversable $iterator, callable $callback)
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	{
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		parent::__construct($iterator);
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		$this->callback = $callback;
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	}
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	public function current(): mixed
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	{
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		return ($this->callback)(parent::current(), parent::key());
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	}
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}