/**
* This constructor initializes this class with the specified collection.
*
* @access public
* @final
* @param IHashMap\Type $xs the collection to be iterated
*/
public final function __construct(IHashMap\Type $xs)
{
$this->iterator = new \RecursiveIteratorIterator(new IHashMap\RecursiveArrayOnlyIterator($xs->unbox()));
$this->xs = $xs;
}
/**
* This method returns an item after removing it from the hash map.
*
* @access public
* @static
* @param IHashMap\Type $xs the hash map
* @param Core\Type $k the key associated with the
* item to be removed
* @return Core\Type the item removed
*/
public static function removeKey(IHashMap\Type $xs, Core\Type $k) : Core\Type
{
$zs = IHashMap\Type::box($xs->unbox());
$zs->removeKey($k);
return $zs;
}