# File lib/restclient/resource.rb, line 141
    def [](suburl, &new_block)
      case
        when block_given? then self.class.new(concat_urls(url, suburl), options, &new_block)
        when block        then self.class.new(concat_urls(url, suburl), options, &block)
      else
        self.class.new(concat_urls(url, suburl), options)
      end
    end