def inspect_superclass
      parent = nil

      if constant.respond_to?(:superclass) \
      and constant.superclass \
      and constant.superclass.name
        return constant.superclass
      end

      return parent
    end
def inspect_superclass
      parent = nil

      if constant.respond_to?(:superclass) \
      and constant.superclass \
      and constant.superclass.name
        return constant.superclass
      end

      return parent
    end
Returns the superclass of the current constant or `nil` if there is none.

 @return [Mixed]