lib/musterb/null_extractor.rb in musterb-0.2.0 vs lib/musterb/null_extractor.rb in musterb-1.0.0

@@ -1,11 +1,11 @@
-class Musterb::NullExtractor
+class Musterb::NullExtractor < Musterb::Extractor
   attr_reader :value, :parent
 
   def initialize(parent = nil)
     @parent = parent || self
   end
 
   def [](value)
     nil
   end
-end
\ No newline at end of file
+end