separator

# File actionpack/lib/action_view/helpers/date_helper.rb, line 904
        def separator(type)
          case type
            when :month, :day
              @options[:date_separator]
            when :hour
              (@options[:discard_year] && @options[:discard_day]) ? "" : @options[:datetime_separator]
            when :minute
              @options[:discard_minute] ? "" : @options[:time_separator]
            when :second
              @options[:include_seconds] ? @options[:time_separator] : ""
          end
        end