def extract_options(names)
      options = {}
      options = names.pop if names.last.kind_of? Hash
      options = { :desc => @next_desc, 
                  :long_desc => @next_long_desc,
                  :default_value => @next_default_value,
                  :arg_name => @next_arg_name}.merge(options)
    end
def extract_options(names)
      options = {}
      options = names.pop if names.last.kind_of? Hash
      options = { :desc => @next_desc, 
                  :long_desc => @next_long_desc,
                  :default_value => @next_default_value,
                  :arg_name => @next_arg_name}.merge(options)
    end
Extract the options hash out of the argument to flag/switch and
 set the values if using classic style