    # File lib/action_view/helpers/date_helper.rb, line 324
          def select_time(datetime = Time.current, options = {}, html_options = {})
            separator = options[:time_separator] || ''
            select_hour(datetime, options, html_options) + separator + select_minute(datetime, options, html_options) + (options[:include_seconds] ? separator + select_second(datetime, options, html_options) : '')
          end