def argument_name_without_leading_underscore
      name = if argument_name_string[FIRST_CHARACTER] == UNDERSCORE
               argument_name_string.reverse.chop.reverse
             else
               argument_name_string
             end
      name.to_sym
    end
def argument_name_without_leading_underscore
      name = if argument_name_string[FIRST_CHARACTER] == UNDERSCORE
               argument_name_string.reverse.chop.reverse
             else
               argument_name_string
             end
      name.to_sym
    end
Leading underscores are used to indicate a parameter isn't used