world.rb in y_petri-2.1.6

- old
+ new
@@ -1,18 +1,20 @@
+# encoding: utf-8
+
+require_relative 'world/dependency'
+require_relative 'world/petri_net_related'
+require_relative 'world/simulation_related'
+
+
 # As the name suggests, represents the world. Holds places, transitions, nets
 # and other assets needed to set up and simulate Petri nets (settings, clamps,
 # initial markings etc.). Provides basic methods to do what is necessary.
 # More ergonomic and DSL-like methods are up to the YPetri::Agent.
 # 
 class YPetri::World
-  include NameMagic
-
-  require_relative 'world/dependency'
-  require_relative 'world/petri_net_related'
-  require_relative 'world/simulation_related'
-
-  include self::PetriNetRelated
-  include self::SimulationRelated
+  ★ NameMagic                        # ★ means include
+  ★ PetriNetRelated
+  ★ SimulationRelated
 
   def initialize
     # Parametrize the Place / Transition / Net classes.
     param_class!( { Place: YPetri::Place,
                     Transition: YPetri::Transition,