-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/


-- | Interpretation of leap second files.
@package leapseconds
@version 1.0


-- | Interpretation of leap second files.
module Data.Time.Clock.LeapSeconds

-- | TAI - UTC during this day. No table is provided, as any program
--   compiled with it would become out of date in six months.
type LeapSecondMap = Day -> Maybe Int

-- | A list of leap-second transitions, etc.
data LeapSecondList
MkLeapSecondList :: Day -> Day -> [(Day, Int)] -> LeapSecondList
[lslVersion] :: LeapSecondList -> Day
[lslExpiration] :: LeapSecondList -> Day
[lslTransitions] :: LeapSecondList -> [(Day, Int)]

-- | Parse the text of a NIST leap-second file. This file can be found at
--   <a>ftp://time.nist.gov/pub/leap-seconds.list</a>, and on UNIX systems,
--   at <tt>/usr/share/zoneinfo/leap-seconds.list</tt>.
parseNISTLeapSecondList :: String -> Maybe LeapSecondList

-- | Obtain a map that can be used to convert between TAI and UTC (see
--   <a>Data.Time.Clock.TAI</a>)
leapSecondListToMap :: LeapSecondList -> LeapSecondMap
instance GHC.Classes.Eq Data.Time.Clock.LeapSeconds.LeapSecondList