public static void Notify <T>(FruitDelegate <T> del)
where T : Fruit, new()
{
T t = new T();
del.DynamicInvoke(t);
}
public void Notify <T>(Action <T> del) where T : Fruit
{
FruitDelegate f = del;
f(new Banana()); //should be legal, but del may be Action<Apple>
}
