lib/mercenary/option.rb in mercenary-0.3.3 vs lib/mercenary/option.rb in mercenary-0.3.4

@@ -59,10 +59,10 @@
     #
     # Returns a Fixnum which is unique to this Option based on the instance variables
     def hash
       instance_variables.map do |var|
         instance_variable_get(var).hash
-      end.reduce(:&)
+      end.reduce(:^)
     end
 
     # Public: Check equivalence of two Options based on equivalence of their
     #   instance variables
     #