pastebin

 

 

declare(strict_types=1);

 

use NetteIterators;

use TesterAssert;

 

 

require __DIR__ . '/../bootstrap.php';

 

 

$arr = [

        'Nette' => 'Framework',

        'David' => 'Grudl',

];

 

$callback = function ($item, $key) {

        return $key . ': ' . $item;

};

 

$iterator = new IteratorsMapper(new ArrayIterator($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());