# File lib/sass/selector/simple.rb, line 77
      def unify(sels)
        return sels if sels.any? {|sel2| eql?(sel2)}
        sels_with_ix = Haml::Util.enum_with_index(sels)
        _, i =
          if self.is_a?(Pseudo) || self.is_a?(SelectorPseudoClass)
            sels_with_ix.find {|sel, _| sel.is_a?(Pseudo) && sels.last.type == :element}
          else
            sels_with_ix.find {|sel, _| sel.is_a?(Pseudo) || sel.is_a?(SelectorPseudoClass)}
          end
        return sels + [self] unless i
        return sels[0...i] + [self] + sels[i..-1]
      end