class Object # Alias of to_s. def to_param to_s end # Converts an object into a string suitable for use as a URL query string, using the given key as the # param name. # # Note: This method is defined as a default implementation for all Objects for Hash#to_query to work. def to_query(key) require 'cgi' unless defined?(CGI) && defined?(CGI::escape) "#{CGI.escape(key.to_s)}=#{CGI.escape(to_param.to_s)}" end end