# File lib/mini_profiler/config.rb, line 56
      def merge!(config)
        return unless config
        if Hash === config
          config.each{|k,v| instance_variable_set "@#{k}",v}
        else
          self.class.attributes.each{ |k|
            v = config.send k
            instance_variable_set "@#{k}", v if v
          }
        end
      end