691 enum class numeric_system {  enum
763     case 'Y': handler.on_year(numeric_system::standard, pad); break;
764     case 'y': handler.on_short_year(numeric_system::standard); break;
765     case 'C': handler.on_century(numeric_system::standard); break;
771     case 'w': handler.on_dec0_weekday(numeric_system::standard); break;
772     case 'u': handler.on_dec1_weekday(numeric_system::standard); break;
777     case 'm': handler.on_dec_month(numeric_system::standard, pad); break;
780       handler.on_dec0_week_of_year(numeric_system::standard, pad);
783       handler.on_dec1_week_of_year(numeric_system::standard, pad);
785     case 'V': handler.on_iso_week_of_year(numeric_system::standard, pad); break;
787     case 'd': handler.on_day_of_month(numeric_system::standard, pad); break;
789       handler.on_day_of_month(numeric_system::standard, pad_type::space);
792     case 'H': handler.on_24_hour(numeric_system::standard, pad); break;
793     case 'I': handler.on_12_hour(numeric_system::standard, pad); break;
794     case 'M': handler.on_minute(numeric_system::standard, pad); break;
795     case 'S': handler.on_second(numeric_system::standard, pad); break;
797     case 'c': handler.on_datetime(numeric_system::standard); break;
798     case 'x': handler.on_loc_date(numeric_system::standard); break;
799     case 'X': handler.on_loc_time(numeric_system::standard); break;
808     case 'z': handler.on_utc_offset(numeric_system::standard); break;
815       case 'Y': handler.on_year(numeric_system::alternative, pad); break;
817       case 'C': handler.on_century(numeric_system::alternative); break;
818       case 'c': handler.on_datetime(numeric_system::alternative); break;
819       case 'x': handler.on_loc_date(numeric_system::alternative); break;
820       case 'X': handler.on_loc_time(numeric_system::alternative); break;
821       case 'z': handler.on_utc_offset(numeric_system::alternative); break;
830       case 'y': handler.on_short_year(numeric_system::alternative); break;
831       case 'm': handler.on_dec_month(numeric_system::alternative, pad); break;
833         handler.on_dec0_week_of_year(numeric_system::alternative, pad);
836         handler.on_dec1_week_of_year(numeric_system::alternative, pad);
839         handler.on_iso_week_of_year(numeric_system::alternative, pad);
842         handler.on_day_of_month(numeric_system::alternative, pad);
845         handler.on_day_of_month(numeric_system::alternative, pad_type::space);
847       case 'w': handler.on_dec0_weekday(numeric_system::alternative); break;
848       case 'u': handler.on_dec1_weekday(numeric_system::alternative); break;
849       case 'H': handler.on_24_hour(numeric_system::alternative, pad); break;
850       case 'I': handler.on_12_hour(numeric_system::alternative, pad); break;
851       case 'M': handler.on_minute(numeric_system::alternative, pad); break;
852       case 'S': handler.on_second(numeric_system::alternative, pad); break;
853       case 'z': handler.on_utc_offset(numeric_system::alternative); break;
869   FMT_CONSTEXPR void on_year(numeric_system, pad_type) { unsupported(); }  in on_year()
870   FMT_CONSTEXPR void on_short_year(numeric_system) { unsupported(); }  in on_short_year()
872   FMT_CONSTEXPR void on_century(numeric_system) { unsupported(); }  in on_century()
877   FMT_CONSTEXPR void on_dec0_weekday(numeric_system) { unsupported(); }  in on_dec0_weekday()
878   FMT_CONSTEXPR void on_dec1_weekday(numeric_system) { unsupported(); }  in on_dec1_weekday()
881   FMT_CONSTEXPR void on_dec_month(numeric_system, pad_type) { unsupported(); }  in on_dec_month()
882   FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system, pad_type) {  in on_dec0_week_of_year()
885   FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system, pad_type) {  in on_dec1_week_of_year()
888   FMT_CONSTEXPR void on_iso_week_of_year(numeric_system, pad_type) {  in on_iso_week_of_year()
892   FMT_CONSTEXPR void on_day_of_month(numeric_system, pad_type) {  in on_day_of_month()
895   FMT_CONSTEXPR void on_24_hour(numeric_system) { unsupported(); }  in on_24_hour()
896   FMT_CONSTEXPR void on_12_hour(numeric_system) { unsupported(); }  in on_12_hour()
897   FMT_CONSTEXPR void on_minute(numeric_system) { unsupported(); }  in on_minute()
898   FMT_CONSTEXPR void on_second(numeric_system) { unsupported(); }  in on_second()
899   FMT_CONSTEXPR void on_datetime(numeric_system) { unsupported(); }  in on_datetime()
900   FMT_CONSTEXPR void on_loc_date(numeric_system) { unsupported(); }  in on_loc_date()
901   FMT_CONSTEXPR void on_loc_time(numeric_system) { unsupported(); }  in on_loc_time()
910   FMT_CONSTEXPR void on_utc_offset(numeric_system) { unsupported(); }  in on_utc_offset()
921   FMT_CONSTEXPR void on_year(numeric_system, pad_type) {}  in on_year()
922   FMT_CONSTEXPR void on_short_year(numeric_system) {}  in on_short_year()
924   FMT_CONSTEXPR void on_century(numeric_system) {}  in on_century()
929   FMT_CONSTEXPR void on_dec0_weekday(numeric_system) {}  in on_dec0_weekday()
930   FMT_CONSTEXPR void on_dec1_weekday(numeric_system) {}  in on_dec1_weekday()
933   FMT_CONSTEXPR void on_dec_month(numeric_system, pad_type) {}  in on_dec_month()
934   FMT_CONSTEXPR void on_dec0_week_of_year(numeric_system, pad_type) {}  in on_dec0_week_of_year()
935   FMT_CONSTEXPR void on_dec1_week_of_year(numeric_system, pad_type) {}  in on_dec1_week_of_year()
936   FMT_CONSTEXPR void on_iso_week_of_year(numeric_system, pad_type) {}  in on_iso_week_of_year()
938   FMT_CONSTEXPR void on_day_of_month(numeric_system, pad_type) {}  in on_day_of_month()
939   FMT_CONSTEXPR void on_24_hour(numeric_system, pad_type) {}  in on_24_hour()
940   FMT_CONSTEXPR void on_12_hour(numeric_system, pad_type) {}  in on_12_hour()
941   FMT_CONSTEXPR void on_minute(numeric_system, pad_type) {}  in on_minute()
942   FMT_CONSTEXPR void on_second(numeric_system, pad_type) {}  in on_second()
943   FMT_CONSTEXPR void on_datetime(numeric_system) {}  in on_datetime()
944   FMT_CONSTEXPR void on_loc_date(numeric_system) {}  in on_loc_date()
945   FMT_CONSTEXPR void on_loc_time(numeric_system) {}  in on_loc_time()
952   FMT_CONSTEXPR void on_utc_offset(numeric_system) {}  in on_utc_offset()
1249   void write_utc_offset(long long offset, numeric_system ns) {
1258     if (ns != numeric_system::standard) *out_++ = ':';
1263   void format_utc_offset_impl(const T& tm, numeric_system ns) {
1267   void format_utc_offset_impl(const T& tm, numeric_system ns) {
1279     if (ns == numeric_system::standard) return format_localized('z');
1334   void on_dec0_weekday(numeric_system ns) {
1335     if (is_classic_ || ns == numeric_system::standard) return write1(tm_wday());
1338   void on_dec1_weekday(numeric_system ns) {
1339     if (is_classic_ || ns == numeric_system::standard) {
1360   void on_datetime(numeric_system ns) {
1366       on_day_of_month(numeric_system::standard, pad_type::space);
1370       on_year(numeric_system::standard, pad_type::space);
1372       format_localized('c', ns == numeric_system::standard ? '\0' : 'E');
1375   void on_loc_date(numeric_system ns) {
1379       format_localized('x', ns == numeric_system::standard ? '\0' : 'E');
1381   void on_loc_time(numeric_system ns) {
1385       format_localized('X', ns == numeric_system::standard ? '\0' : 'E');
1411   void on_utc_offset(numeric_system ns) { format_utc_offset_impl(tm_, ns); }
1414   void on_year(numeric_system ns, pad_type pad) {
1415     if (is_classic_ || ns == numeric_system::standard)
1419   void on_short_year(numeric_system ns) {
1420     if (is_classic_ || ns == numeric_system::standard)
1429   void on_century(numeric_system ns) {
1430     if (is_classic_ || ns == numeric_system::standard) {
1447   void on_dec_month(numeric_system ns, pad_type pad) {
1448     if (is_classic_ || ns == numeric_system::standard)
1453   void on_dec0_week_of_year(numeric_system ns, pad_type pad) {
1454     if (is_classic_ || ns == numeric_system::standard)
1459   void on_dec1_week_of_year(numeric_system ns, pad_type pad) {
1460     if (is_classic_ || ns == numeric_system::standard) {
1470   void on_iso_week_of_year(numeric_system ns, pad_type pad) {
1471     if (is_classic_ || ns == numeric_system::standard)
1494   void on_day_of_month(numeric_system ns, pad_type pad) {
1495     if (is_classic_ || ns == numeric_system::standard)
1500   void on_24_hour(numeric_system ns, pad_type pad) {
1501     if (is_classic_ || ns == numeric_system::standard)
1505   void on_12_hour(numeric_system ns, pad_type pad) {
1506     if (is_classic_ || ns == numeric_system::standard)
1510   void on_minute(numeric_system ns, pad_type pad) {
1511     if (is_classic_ || ns == numeric_system::standard)
1516   void on_second(numeric_system ns, pad_type pad) {
1517     if (is_classic_ || ns == numeric_system::standard) {
1557     on_second(numeric_system::standard, pad_type::zero);
1582   FMT_CONSTEXPR void on_24_hour(numeric_system, pad_type) {}
1583   FMT_CONSTEXPR void on_12_hour(numeric_system, pad_type) {}
1584   FMT_CONSTEXPR void on_minute(numeric_system, pad_type) {}
1585   FMT_CONSTEXPR void on_second(numeric_system, pad_type) {}
1827   void on_dec0_weekday(numeric_system) {}
1828   void on_dec1_weekday(numeric_system) {}
1831   void on_datetime(numeric_system) {}
1832   void on_loc_date(numeric_system) {}
1833   void on_loc_time(numeric_system) {}
1836   void on_utc_offset(numeric_system) {}
1838   void on_year(numeric_system, pad_type) {}
1839   void on_short_year(numeric_system) {}
1841   void on_century(numeric_system) {}
1844   void on_dec_month(numeric_system, pad_type) {}
1845   void on_dec0_week_of_year(numeric_system, pad_type) {}
1846   void on_dec1_week_of_year(numeric_system, pad_type) {}
1847   void on_iso_week_of_year(numeric_system, pad_type) {}
1848   void on_day_of_month(numeric_system, pad_type) {}
1855   void on_24_hour(numeric_system ns, pad_type pad) {
1858     if (ns == numeric_system::standard) return write(hour(), 2, pad);
1864   void on_12_hour(numeric_system ns, pad_type pad) {
1867     if (ns == numeric_system::standard) return write(hour12(), 2, pad);
1873   void on_minute(numeric_system ns, pad_type pad) {
1876     if (ns == numeric_system::standard) return write(minute(), 2, pad);
1882   void on_second(numeric_system ns, pad_type pad) {
1885     if (ns == numeric_system::standard) {
1928     on_second(numeric_system::standard, pad_type::zero);
2065     w.on_day_of_month(detail::numeric_system::standard, detail::pad_type::zero);
2119     w.on_year(detail::numeric_system::standard, detail::pad_type::zero);