lib/bmg/operator/rename.rb in bmg-0.3.0 vs lib/bmg/operator/rename.rb in bmg-0.4.0

@@ -33,9 +33,13 @@
         @operand.each do |tuple|
           yield rename(tuple)
         end
       end
 
+      def to_ast
+        [ :rename, operand.to_ast, renaming.dup ]
+      end
+
     private
 
       def rename(tuple)
         tuple.each_with_object({}){|(k,v),h|
           h[rename_key(k)] = v