/**
* This method returns the collection as a linked list.
*
* @access public
* @static
* @param IString\Type $xs the operand
* @return ILinkedList\Type the collection as a linked list
*/
public static function toLinkedList(IString\Type $xs) : ILinkedList\Type
{
$length = $xs->length();
$zs = ILinkedList\Type::nil();
for ($i = IInt32\Module::decrement($length); IInt32\Module::ge($i, IInt32\Type::zero())->unbox(); $i = IInt32\Module::decrement($i)) {
$zs = ILinkedList\Type::cons($xs->item($i), $zs);
}
return $zs;
}
