lib/robot/commands/no_op.rb in robot_rea-0.1.5 vs lib/robot/commands/no_op.rb in robot_rea-0.1.6

@@ -1,12 +1,13 @@
-# A no operation command that's returned to avoid nil exceptions when the command the user
-# enters is invalid. The idea is based on the null pointer design pattern
+# frozen_string_literal: true
 
 module Robot
   module Commands
-    class NoOp < Base
+    # A no operation command that gets returned to avoid nil exceptions when the command the user
+    # enters is invalid. The idea is based on the null pointer design pattern
 
-      def self.matches?(command)
+    class NoOp < Base
+      def self.matches?(_command)
         true
       end
 
       def self.call(position)
         position