# File lib/compass/commands/project_stats.rb, line 115
      def sass_columns(sass_file)
        sf = Compass::Stats::SassFile.new(sass_file)
        sf.analyze!
        %w(rule_count prop_count mixin_def_count mixin_count file_size).map do |t|
          sf.send(t).to_s
        end
      end