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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 Chain {
A element;
Chain prev;
int size;
*() {}
*(Chain *prev, A *element) {
size = prev != null ? prev.size+1 : 1;
}
toString {
ret str(toList());
}
L toList() {
L l = emptyList(size);
int i = size;
Chain c = this;
while (c != null) {
l.set(--i, c.element);
c = c.prev;
}
ret l;
}
}