Wallogit.com
2017 © Pedro Peláez
Library for various data structure and its operations
, (*1)
Library for various data structure and its operations., (*2)
use Gedex\Container;
$ll = new Container\DoublyLinkedList();
$e1 = $ll->pushFront(1);
$e2 = $ll->pushFront(2);
$e3 = $ll->pushBack('e3');
$e4 = $ll->insertBefore('el before e3', $e3);
$e5 = $ll->insertAfter('el after e3', $e3);
printList($ll); // --> (2) --> (1) --> (el before e3) --> (e3) --> (el after e4)
printf("Remove element (%s)\n", $e3->getValue());
$ll->remove($e3);
printList($ll); // --> (2) --> (1) --> (el before e3) --> (el after e4)
function printList($ll) {
$el = $ll->getFront();
while (!is_null($el)) {
printf('--> (%s) ', $el->getValue());
$el = $el->getNext();
}
printf("\n");
}
use Gedex\Container;
$cl = new Container\CircularList(5);
for ($i = 1; $i <= $cl->len(); $i++) {
$el = $cl->cursor()->setValue($i);
$cl->next();
}
$sum = 0;
$cl->walk(function($value) use(&$sum) {
printf('--> (%s) ', $value);
$sum += $value;
});
printf("\n");
printf("%d\n", $sum); // 15
MIT License - See LICENSE file., (*3)
Library for various data structure and its operations
MIT