# File lib/moneta/logger.rb, line 29
      def format(entry)
        args = entry[:args]
        args.pop if Hash === args.last && args.last.empty?
        args = args.map {|a| dump(a) }.join(', ')
        if entry[:error]
          "#{@prefix}#{entry[:method]}(#{args}) raised error: #{entry[:error].message}\n"
        else
          "#{@prefix}#{entry[:method]}(#{args}) -> #{dump entry[:return]}\n"
        end
      end