/**
* The method intersperses the specified object between each item in the list.
*
* @access public
* @static
* @param ILinkedList\Type $xs the left operand
* @param Core\Type $y the object to be interspersed
* @return ILinkedList\Type the list
*/
public static function intersperse(ILinkedList\Type $xs, Core\Type $y) : ILinkedList\Type
{
return $xs->__isEmpty() || $xs->tail()->__isEmpty() ? $xs : ILinkedList\Type::cons($xs->head(), ILinkedList\Type::cons($y, ILinkedList\Module::intersperse($xs->tail(), $y)));
}
