Example: Insert before

public static int main (string[] args) {
Queue<int> queue = new Queue<int> ();
queue.push_tail (1);
queue.push_tail (3);

unowned List<int> pos = queue.find (3);
queue.insert_before (pos, 2);

// Output: ``1 2 3 ``
int item = 0;
while ((item = queue.pop_head ()) != 0) {
print ("%d ", item);
}
print ("\n");

return 0;
}

 valac --pkg glib-2.0 GLib.Queue.insert_before.vala

See: