lib/simplestate/null_state.rb in simplestate-2.0.11 vs lib/simplestate/null_state.rb in simplestate-2.0.12

@@ -1,28 +1,16 @@
-class NullState
-  # Avoid chicken and egg problem by mimicing rather than inheriting from State
-
-  attr_reader :holder
-  def initialize(holder:, opts: {})
-    @holder = holder
-    @holder.__send__(:add_state, self)
-  end
-
+class NullState < State
   def name
     'NullState'
   end
   alias :to_s :name
 
-  def symbol
-    :NullState
+  private
+  def transition_to(state)
   end
 
-  private
-    def transition_to(state)
-    end
+  def enter
+  end
 
-    def enter
-    end
-
-    def exit
-    end
+  def exit
+  end
 end