Warning: session_start(): open(/var/lib/php/sessions/sess_eq63q3nh3rfo28v8flhgo0js0c, O_RDWR) failed: No space left on device (28) in /var/www/tb-usercake/models/config.php on line 51
Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
sclass AppendableChain extends Chain {
A element;
Chain next, last;
int size;
*() {} // only used internally
*(A *element) { size = 1; last = this; }
*(A *element, Chain *next) {
if (next != null) {
size = next.size;
last = next.last;
} else
last = this;
size++;
}
toString { ret str(toList()); }
bool add(A a) {
Chain newLast = new Chain(a, null);
last.next = newLast;
last = newLast;
++size;
true;
}
AppendableChain popFirst() {
if (next == null) null;
new AppendableChain a;
a.element = next.element;
a.next = next.next;
a.size = size-1;
ret a;
}
ArrayList toList() {
ArrayList l = emptyList(size);
Chain c = this;
while (c != null) {
l.add(c.element);
c = c.next;
}
ret l;
}
// TODO: optimize
public Iterator iterator() { ret toList().iterator(); }
}