patterns/observer/template-with-events/observer-only.cs - Template of the Observer class.

Lecture 5 - slide 44 : 45 Program 2

using System.Collections;
namespace Templates.Observer {

 public class Observer {

   public Observer (){
     // ...
   }   

   public void Update(SubjectState ss){
      //   if (the state ss is interesting){
      //      react on state change
      //   }
   }   

 }
}