public function addComponent(Component $c)
{
if ($this->ultimo) {
$c->setInput($this->ultimo->getElemento()->getOutput());
}
parent::append($c);
}
/**
* Main program.
*
* @param array $args Command-line arguments.
* @return integer Zero on success; non-zero on failure.
*/
public static function main($args)
{
printf("LinkedList main program.\n");
$status = 0;
$l1 = new LinkedList();
$l1->append(57);
$l1->append('hello');
$l1->append(NULL);
printf("%s\n", str($l1));
printf("isEmpty returns %s\n", str($l1->isEmpty()));
printf("Using reduce\n");
$l1->reduce(create_function('$sum, $item', 'printf("%s\\n", str($item));'), '');
printf("Purging\n");
$l1->purge();
printf("%s\n", str($l1));
return $status;
}
