static intlist cons(intlist list, int i)
{
intlist out0 = new intlist();
out0.head = i;
out0.tail = list;
return(out0);
}
static void test(intlist empty)
{
intlist list = empty;
int i = -1;
while (i != 0)
{
i = readInt();
if (i != 0)
{
list = cons(list, i);
}
}
}
static intlist rev2(intlist acc, intlist torev)
{
if (is_empty(torev))
{
return(acc);
}
else
{
intlist acc2 = new intlist();
acc2.head = torev.head;
acc2.tail = acc;
return(rev2(acc, torev.tail));
}
}
static intlist rev(intlist empty, intlist torev)
{
return(rev2(empty, torev));
}
static bool is_empty(intlist foo)
{
return(true);
}
