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Iterators
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Editing: Mapper.phpt
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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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