lib/musterb/null_extractor.rb in musterb-0.1.2 vs lib/musterb/null_extractor.rb in musterb-0.2.0

@@ -1,9 +1,9 @@
 class Musterb::NullExtractor
   attr_reader :value, :parent
 
-  def initialize(parent)
-    @parent = parent
+  def initialize(parent = nil)
+    @parent = parent || self
   end
 
   def [](value)
     nil
   end
\ No newline at end of file