lib/metacosm/simulation.rb in metacosm-0.2.9 vs lib/metacosm/simulation.rb in metacosm-0.2.10

@@ -61,10 +61,10 @@
       @current ||= new
     end
 
     def clear!
       @events = []
-      @command_queue.clear
+      @command_queue&.clear
     end
 
     protected
     def handler_for(command)
       @handlers ||= {}