[commit: packages/time] format-widths, improve-leapseconds, master, posix-perf, tasty, wip/travis: rename UTCDiffTime to NominalDiffTime (6a21693)
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Repository : ssh://git@git.haskell.org/time
On branches: format-widths,improve-leapseconds,master,posix-perf,tasty,wip/travis
Link : http://git.haskell.org/packages/time.git/commitdiff/6a216935f0b21b7f5546cfd8a2844042b5053dbf
>---------------------------------------------------------------
commit 6a216935f0b21b7f5546cfd8a2844042b5053dbf
Author: Ashley Yakeley <ashley at semantic.org>
Date: Sun Aug 7 15:40:56 2005 -0700
rename UTCDiffTime to NominalDiffTime
darcs-hash:20050807224056-ac6dd-2a810f3e5a80c5585e6a0d2678e8729d29c1ed9b
>---------------------------------------------------------------
6a216935f0b21b7f5546cfd8a2844042b5053dbf
Data/Time/Clock.hs | 2 +-
Data/Time/Clock/UTC.hs | 76 +++++++++++++++++++++++++-------------------------
2 files changed, 39 insertions(+), 39 deletions(-)
diff --git a/Data/Time/Clock.hs b/Data/Time/Clock.hs
index 9235296..3b736b7 100644
--- a/Data/Time/Clock.hs
+++ b/Data/Time/Clock.hs
@@ -9,5 +9,5 @@ module Data.Time.Clock
) where
import Data.Time.Clock.Scale
-import Data.Time.Clock.UTC(UTCTime(..),UTCDiffTime,addUTCTime,diffUTCTime)
+import Data.Time.Clock.UTC(UTCTime(..),NominalDiffTime,addUTCTime,diffUTCTime)
import Data.Time.Clock.Current
diff --git a/Data/Time/Clock/UTC.hs b/Data/Time/Clock/UTC.hs
index 8b937e3..d1ca38d 100644
--- a/Data/Time/Clock/UTC.hs
+++ b/Data/Time/Clock/UTC.hs
@@ -9,7 +9,7 @@ module Data.Time.Clock.UTC
-- These corrections are not predictable and are announced with six month's notice.
-- No table of these corrections is provided, as any program compiled with it would become
-- out of date in six months.
- UTCTime(..),UTCDiffTime,
+ UTCTime(..),NominalDiffTime,
addUTCTime,diffUTCTime,
-- * POSIX time
@@ -43,59 +43,59 @@ instance Ord UTCTime where
-- Conversion functions will treat it as seconds.
-- It has an accuracy of 10^-12 s.
-- It ignores leap-seconds, so it's not necessarily a fixed amount of clock time.
--- For instance, 23:00 UTC + 2 hours of UTCDiffTime = 01:00 UTC (+ 1 day),
+-- For instance, 23:00 UTC + 2 hours of NominalDiffTime = 01:00 UTC (+ 1 day),
-- regardless of whether a leap-second intervened.
-newtype UTCDiffTime = MkUTCDiffTime Pico deriving (Eq,Ord)
+newtype NominalDiffTime = MkNominalDiffTime Pico deriving (Eq,Ord)
-instance Enum UTCDiffTime where
- succ (MkUTCDiffTime a) = MkUTCDiffTime (succ a)
- pred (MkUTCDiffTime a) = MkUTCDiffTime (pred a)
- toEnum = MkUTCDiffTime . toEnum
- fromEnum (MkUTCDiffTime a) = fromEnum a
- enumFrom (MkUTCDiffTime a) = fmap MkUTCDiffTime (enumFrom a)
- enumFromThen (MkUTCDiffTime a) (MkUTCDiffTime b) = fmap MkUTCDiffTime (enumFromThen a b)
- enumFromTo (MkUTCDiffTime a) (MkUTCDiffTime b) = fmap MkUTCDiffTime (enumFromTo a b)
- enumFromThenTo (MkUTCDiffTime a) (MkUTCDiffTime b) (MkUTCDiffTime c) = fmap MkUTCDiffTime (enumFromThenTo a b c)
+instance Enum NominalDiffTime where
+ succ (MkNominalDiffTime a) = MkNominalDiffTime (succ a)
+ pred (MkNominalDiffTime a) = MkNominalDiffTime (pred a)
+ toEnum = MkNominalDiffTime . toEnum
+ fromEnum (MkNominalDiffTime a) = fromEnum a
+ enumFrom (MkNominalDiffTime a) = fmap MkNominalDiffTime (enumFrom a)
+ enumFromThen (MkNominalDiffTime a) (MkNominalDiffTime b) = fmap MkNominalDiffTime (enumFromThen a b)
+ enumFromTo (MkNominalDiffTime a) (MkNominalDiffTime b) = fmap MkNominalDiffTime (enumFromTo a b)
+ enumFromThenTo (MkNominalDiffTime a) (MkNominalDiffTime b) (MkNominalDiffTime c) = fmap MkNominalDiffTime (enumFromThenTo a b c)
-instance Show UTCDiffTime where
- show (MkUTCDiffTime t) = (showFixed True t) ++ "s"
+instance Show NominalDiffTime where
+ show (MkNominalDiffTime t) = (showFixed True t) ++ "s"
-- necessary because H98 doesn't have "cunning newtype" derivation
-instance Num UTCDiffTime where
- (MkUTCDiffTime a) + (MkUTCDiffTime b) = MkUTCDiffTime (a + b)
- (MkUTCDiffTime a) - (MkUTCDiffTime b) = MkUTCDiffTime (a - b)
- (MkUTCDiffTime a) * (MkUTCDiffTime b) = MkUTCDiffTime (a * b)
- negate (MkUTCDiffTime a) = MkUTCDiffTime (negate a)
- abs (MkUTCDiffTime a) = MkUTCDiffTime (abs a)
- signum (MkUTCDiffTime a) = MkUTCDiffTime (signum a)
- fromInteger i = MkUTCDiffTime (fromInteger i)
+instance Num NominalDiffTime where
+ (MkNominalDiffTime a) + (MkNominalDiffTime b) = MkNominalDiffTime (a + b)
+ (MkNominalDiffTime a) - (MkNominalDiffTime b) = MkNominalDiffTime (a - b)
+ (MkNominalDiffTime a) * (MkNominalDiffTime b) = MkNominalDiffTime (a * b)
+ negate (MkNominalDiffTime a) = MkNominalDiffTime (negate a)
+ abs (MkNominalDiffTime a) = MkNominalDiffTime (abs a)
+ signum (MkNominalDiffTime a) = MkNominalDiffTime (signum a)
+ fromInteger i = MkNominalDiffTime (fromInteger i)
-- necessary because H98 doesn't have "cunning newtype" derivation
-instance Real UTCDiffTime where
- toRational (MkUTCDiffTime a) = toRational a
+instance Real NominalDiffTime where
+ toRational (MkNominalDiffTime a) = toRational a
-- necessary because H98 doesn't have "cunning newtype" derivation
-instance Fractional UTCDiffTime where
- (MkUTCDiffTime a) / (MkUTCDiffTime b) = MkUTCDiffTime (a / b)
- recip (MkUTCDiffTime a) = MkUTCDiffTime (recip a)
- fromRational r = MkUTCDiffTime (fromRational r)
+instance Fractional NominalDiffTime where
+ (MkNominalDiffTime a) / (MkNominalDiffTime b) = MkNominalDiffTime (a / b)
+ recip (MkNominalDiffTime a) = MkNominalDiffTime (recip a)
+ fromRational r = MkNominalDiffTime (fromRational r)
-- necessary because H98 doesn't have "cunning newtype" derivation
-instance RealFrac UTCDiffTime where
- properFraction (MkUTCDiffTime a) = (i,MkUTCDiffTime f) where
+instance RealFrac NominalDiffTime where
+ properFraction (MkNominalDiffTime a) = (i,MkNominalDiffTime f) where
(i,f) = properFraction a
- truncate (MkUTCDiffTime a) = truncate a
- round (MkUTCDiffTime a) = round a
- ceiling (MkUTCDiffTime a) = ceiling a
- floor (MkUTCDiffTime a) = floor a
+ truncate (MkNominalDiffTime a) = truncate a
+ round (MkNominalDiffTime a) = round a
+ ceiling (MkNominalDiffTime a) = ceiling a
+ floor (MkNominalDiffTime a) = floor a
-posixDay :: UTCDiffTime
+posixDay :: NominalDiffTime
posixDay = 86400
unixEpochMJD :: Day
unixEpochMJD = ModifiedJulianDay 40587
-type POSIXTime = UTCDiffTime
+type POSIXTime = NominalDiffTime
posixSecondsToUTCTime :: POSIXTime -> UTCTime
posixSecondsToUTCTime i = let
@@ -107,9 +107,9 @@ utcTimeToPOSIXSeconds (UTCTime d t) =
(fromInteger (diffDays d unixEpochMJD) * posixDay) + min posixDay (realToFrac t)
-- | addUTCTime a b = a + b
-addUTCTime :: UTCDiffTime -> UTCTime -> UTCTime
+addUTCTime :: NominalDiffTime -> UTCTime -> UTCTime
addUTCTime x t = posixSecondsToUTCTime (x + (utcTimeToPOSIXSeconds t))
-- | diffUTCTime a b = a - b
-diffUTCTime :: UTCTime -> UTCTime -> UTCDiffTime
+diffUTCTime :: UTCTime -> UTCTime -> NominalDiffTime
diffUTCTime a b = (utcTimeToPOSIXSeconds a) - (utcTimeToPOSIXSeconds b)
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