Safe Haskell	Safe
Language	Haskell2010

Format

data Format t Source

A text format for a type

formatShowM :: Format t -> t -> Maybe String Source

Show a value in the format, if representable

formatShow :: Format t -> t -> String Source

Show a value in the format, or error if unrepresentable

formatReadP :: Format t -> ReadP t Source

Read a value in the format

formatParseM :: MonadFail m => Format t -> String -> m t Source

Parse a value in the format

Common formats

class ISO8601 t where Source

iso8601Show :: ISO8601 t => t -> String Source

Show in the most commonly used ISO 8601 format.

iso8601ParseM :: (MonadFail m, ISO8601 t) => String -> m t Source

Parse the most commonly used ISO 8601 format.

All formats

data FormatExtension Source

formatReadPExtension :: (FormatExtension -> Format t) -> ReadP t Source

Read a value in either extended or basic format

parseFormatExtension :: MonadFail m => (FormatExtension -> Format t) -> String -> m t Source

Parse a value in either extended or basic format

calendarFormat :: FormatExtension -> Format Day Source

ISO 8601:2004(E) sec. 4.1.2.2

yearMonthFormat :: Format (Integer, Int) Source

ISO 8601:2004(E) sec. 4.1.2.3(a)

yearFormat :: Format Integer Source

ISO 8601:2004(E) sec. 4.1.2.3(b)

centuryFormat :: Format Integer Source

ISO 8601:2004(E) sec. 4.1.2.3(c)

expandedCalendarFormat :: Int -> FormatExtension -> Format Day Source

ISO 8601:2004(E) sec. 4.1.2.4(a)

expandedYearMonthFormat :: Int -> Format (Integer, Int) Source

ISO 8601:2004(E) sec. 4.1.2.4(b)

expandedYearFormat :: Int -> Format Integer Source

ISO 8601:2004(E) sec. 4.1.2.4(c)

expandedCenturyFormat :: Int -> Format Integer Source

ISO 8601:2004(E) sec. 4.1.2.4(d)

ordinalDateFormat :: FormatExtension -> Format Day Source

ISO 8601:2004(E) sec. 4.1.3.2

expandedOrdinalDateFormat :: Int -> FormatExtension -> Format Day Source

ISO 8601:2004(E) sec. 4.1.3.3

weekDateFormat :: FormatExtension -> Format Day Source

ISO 8601:2004(E) sec. 4.1.4.2

yearWeekFormat :: FormatExtension -> Format (Integer, Int) Source

ISO 8601:2004(E) sec. 4.1.4.3

expandedWeekDateFormat :: Int -> FormatExtension -> Format Day Source

ISO 8601:2004(E) sec. 4.1.4.2

expandedYearWeekFormat :: Int -> FormatExtension -> Format (Integer, Int) Source

ISO 8601:2004(E) sec. 4.1.4.3

timeOfDayFormat :: FormatExtension -> Format TimeOfDay Source

ISO 8601:2004(E) sec. 4.2.2.2, 4.2.2.4(a)

hourMinuteFormat :: FormatExtension -> Format TimeOfDay Source

ISO 8601:2004(E) sec. 4.2.2.3(a), 4.2.2.4(b)

hourFormat :: Format TimeOfDay Source

ISO 8601:2004(E) sec. 4.2.2.3(b), 4.2.2.4(c)

withTimeDesignator :: Format t -> Format t Source

ISO 8601:2004(E) sec. 4.2.2.5

withUTCDesignator :: Format t -> Format t Source

ISO 8601:2004(E) sec. 4.2.4

timeOffsetFormat :: FormatExtension -> Format TimeZone Source

ISO 8601:2004(E) sec. 4.2.5.1

timeOfDayAndOffsetFormat :: FormatExtension -> Format (TimeOfDay, TimeZone) Source

ISO 8601:2004(E) sec. 4.2.5.2

localTimeFormat :: Format Day -> Format TimeOfDay -> Format LocalTime Source

ISO 8601:2004(E) sec. 4.3.2

zonedTimeFormat :: Format Day -> Format TimeOfDay -> FormatExtension -> Format ZonedTime Source

ISO 8601:2004(E) sec. 4.3.2

utcTimeFormat :: Format Day -> Format TimeOfDay -> Format UTCTime Source

ISO 8601:2004(E) sec. 4.3.2

dayAndTimeFormat :: Format Day -> Format time -> Format (Day, time) Source

ISO 8601:2004(E) sec. 4.3.3

timeAndOffsetFormat :: Format t -> FormatExtension -> Format (t, TimeZone) Source

ISO 8601:2004(E) sec. 4.3.3

durationDaysFormat :: Format CalendarDiffDays Source

ISO 8601:2004(E) sec. 4.4.3.2

durationTimeFormat :: Format CalendarDiffTime Source

ISO 8601:2004(E) sec. 4.4.3.2

alternativeDurationDaysFormat :: FormatExtension -> Format CalendarDiffDays Source

ISO 8601:2004(E) sec. 4.4.3.3

alternativeDurationTimeFormat :: FormatExtension -> Format CalendarDiffTime Source

ISO 8601:2004(E) sec. 4.4.3.3

intervalFormat :: Format a -> Format b -> Format (a, b) Source

ISO 8601:2004(E) sec. 4.4.4.1

recurringIntervalFormat :: Format a -> Format b -> Format (Int, a, b) Source

ISO 8601:2004(E) sec. 4.5