# File lib/ethon/easy/queryable.rb, line 30
      def to_s
        @to_s ||= query_pairs.map{ |pair|
          return pair if pair.is_a?(String)

          if escape && @easy
            pair.map{ |e| @easy.escape(e.to_s) }.join("=")
          else
            pair.join("=")
          end
        }.join('&')
      end