lib/bmg/operator/constants.rb in bmg-0.18.2 vs lib/bmg/operator/constants.rb in bmg-0.18.3

@@ -21,9 +21,10 @@
       attr_reader :constants
 
     public
 
       def each
+        return to_enum unless block_given?
         @operand.each do |tuple|
           yield extend_it(tuple)
         end
       end