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<?php
 chdir(realpath(__DIR__.'/../..'));
 
 require_once './vendor/autoload.php';
 
 use Ite\Collection\ObjectCollection;
 
 $collection = new ObjectCollection('\stdClass');
 $a = new stdClass();
 $b = new stdClass();
 $c = new stdClass();
 $d = new stdClass();
 $e = new stdClass();
 $collection->set($a);
 $collection->set($b);
 $collection->set($c);
 //$collection->set($c); -> throw exception
 $collection->set($d);
 $collection->set($e);
 foreach ($collection as $key => $val) {
 echo $key.': '.get_class($val).PHP_EOL;
 }
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