1  class Object
   2    # Alias of <tt>to_s</tt>.
   3    def to_param
   4      to_s
   5    end
   6 
   7    # Converts an object into a string suitable for use as a URL query string, using the given <tt>key</tt> as the
   8    # param name.
   9    #
  10    # Note: This method is defined as a default implementation for all Objects for Hash#to_query to work.
  11    def to_query(key)
  12      require 'cgi' unless defined?(CGI) && defined?(CGI::escape)
  13      "#{CGI.escape(key.to_s)}=#{CGI.escape(to_param.to_s)}"
  14    end
  15  end