// The Update function is responsible for monitoring the queue and executing requests
void Update()
{
// If a request exists on the queue, and we're not busy servicing an earlier request, we service the next one on the queue.
if (!toasting && requests.Count > 0)
{
ToastRequest new_request = requests.Dequeue();
toasting = true;
instance.toast_text.text = new_request.message;
instance.StartCoroutine(DoToast(instance.ease_duration, instance.show_duration));
}
}