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vendor/nette/utils/src/Iterators/Mapper.php

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+<?php
+
+/**
+ * This file is part of the Nette Framework (https://nette.org)
+ * Copyright (c) 2004 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Nette\Iterators;
+
+
+/**
+ * @deprecated use Nette\Utils\Iterables::map()
+ */
+class Mapper extends \IteratorIterator
+{
+	/** @var callable */
+	private $callback;
+
+
+	public function __construct(\Traversable $iterator, callable $callback)
+	{
+		parent::__construct($iterator);
+		$this->callback = $callback;
+	}
+
+
+	public function current(): mixed
+	{
+		return ($this->callback)(parent::current(), parent::key());
+	}
+}