haskell98-1.0.1.1: Compatibility with Haskell 98ContentsIndex
Time
Synopsis
data ClockTime
data Month
= January
| February
| March
| April
| May
| June
| July
| August
| September
| October
| November
| December
data Day
= Sunday
| Monday
| Tuesday
| Wednesday
| Thursday
| Friday
| Saturday
data CalendarTime = CalendarTime {
ctYear :: Int
ctMonth :: Month
ctDay :: Int
ctHour :: Int
ctMin :: Int
ctSec :: Int
ctPicosec :: Integer
ctWDay :: Day
ctYDay :: Int
ctTZName :: String
ctTZ :: Int
ctIsDST :: Bool
}
data TimeDiff = TimeDiff {
tdYear :: Int
tdMonth :: Int
tdDay :: Int
tdHour :: Int
tdMin :: Int
tdSec :: Int
tdPicosec :: Integer
}
getClockTime :: IO ClockTime
addToClockTime :: TimeDiff -> ClockTime -> ClockTime
diffClockTimes :: ClockTime -> ClockTime -> TimeDiff
toCalendarTime :: ClockTime -> IO CalendarTime
toUTCTime :: ClockTime -> CalendarTime
toClockTime :: CalendarTime -> ClockTime
calendarTimeToString :: CalendarTime -> String
formatCalendarTime :: TimeLocale -> String -> CalendarTime -> String
Documentation
data ClockTime
A representation of the internal clock time. Clock times may be compared, converted to strings, or converted to an external calendar time CalendarTime for I/O or other manipulations.
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data Month
A month of the year.
Constructors
January
February
March
April
May
June
July
August
September
October
November
December
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data Day
A day of the week.
Constructors
Sunday
Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
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data CalendarTime
CalendarTime is a user-readable and manipulable representation of the internal ClockTime type.
Constructors
CalendarTime
ctYear :: IntYear (pre-Gregorian dates are inaccurate)
ctMonth :: MonthMonth of the year
ctDay :: IntDay of the month (1 to 31)
ctHour :: IntHour of the day (0 to 23)
ctMin :: IntMinutes (0 to 59)
ctSec :: IntSeconds (0 to 61, allowing for up to two leap seconds)
ctPicosec :: IntegerPicoseconds
ctWDay :: DayDay of the week
ctYDay :: IntDay of the year (0 to 364, or 365 in leap years)
ctTZName :: StringName of the time zone
ctTZ :: IntVariation from UTC in seconds
ctIsDST :: BoolTrue if Daylight Savings Time would be in effect, and False otherwise
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data TimeDiff
records the difference between two clock times in a user-readable way.
Constructors
TimeDiff
tdYear :: Int
tdMonth :: Int
tdDay :: Int
tdHour :: Int
tdMin :: Int
tdSec :: Int
tdPicosec :: Integer
show/hide Instances
getClockTime :: IO ClockTime
addToClockTime :: TimeDiff -> ClockTime -> ClockTime
addToClockTime d t adds a time difference d and a clock time t to yield a new clock time. The difference d may be either positive or negative.
diffClockTimes :: ClockTime -> ClockTime -> TimeDiff
diffClockTimes t1 t2 returns the difference between two clock times t1 and t2 as a TimeDiff.
toCalendarTime :: ClockTime -> IO CalendarTime
converts an internal clock time to a local time, modified by the timezone and daylight savings time settings in force at the time of conversion. Because of this dependence on the local environment, toCalendarTime is in the IO monad.
toUTCTime :: ClockTime -> CalendarTime
converts an internal clock time into a CalendarTime in standard UTC format.
toClockTime :: CalendarTime -> ClockTime
converts a CalendarTime into the corresponding internal ClockTime, ignoring the contents of the ctWDay, ctYDay, ctTZName and ctIsDST fields.
calendarTimeToString :: CalendarTime -> String
formats calendar times using local conventions.
formatCalendarTime :: TimeLocale -> String -> CalendarTime -> String
formats calendar times using local conventions and a formatting string. The formatting string is that understood by the ISO C strftime() function.
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