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<?php
/**
* Test: Nette\Iterators\Mapper
*/
declare(strict_types=1);
use Nette\Iterators;
use Tester\Assert;
require __DIR__ . '/../bootstrap.php';
$arr = [
'Nette' => 'Framework',
'David' => 'Grudl',
];
$callback = fn($item, $key) => $key . ': ' . $item;
$iterator = new Iterators\Mapper(new ArrayIterator($arr), $callback);
$iterator->rewind();
Assert::true($iterator->valid());
Assert::same('Nette: Framework', $iterator->current());
$iterator->next();
Assert::true($iterator->valid());
Assert::same('David: Grudl', $iterator->current());
$iterator->next();
Assert::false($iterator->valid());
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