lib/mutant/mutation.rb in mutant-0.2.4 vs lib/mutant/mutation.rb in mutant-0.2.5

@@ -107,7 +107,33 @@
     # @api private
     #
     def initialize(subject, node)
       @subject, @node = subject, node
     end
+
+    class Noop < self
+
+      # Initialihe object
+      #
+      # @param [Subject] subject
+      #
+      # @return [undefined]
+      #
+      # @api private
+      #
+      def initialize(subject)
+        super(subject, subject.node)
+      end
+
+      # Return identification
+      #
+      # @return [String]
+      #
+      # @api private
+      #
+      def identification
+        "noop:#{super}"
+      end
+      memoize :identification
+    end
   end
 end