From 76b8ca2b62a41a3bddf727de841d35aac11df6d5 Mon Sep 17 00:00:00 2001
From: Ashley Yakeley <ashley@semantic.org>
Date: Sun, 5 Feb 2006 22:36:47 -0800
Subject: [PATCH] add missing file; README file; root Makefile clean fix
darcs-hash:20060206063647-ac6dd-e953bb4a546bdbadc1547fcc27f8f30f537eb435
---
Makefile | 2 +-
README | 24 ++++++++++++++++++++++++
time/Data/Time/Clock/UTCDiff.hs | 15 +++++++++++++++
3 files changed, 40 insertions(+), 1 deletion(-)
create mode 100644 README
create mode 100644 time/Data/Time/Clock/UTCDiff.hs
diff --git a/Makefile b/Makefile
index 571d69a..46d68a2 100644
--- a/Makefile
+++ b/Makefile
@@ -19,6 +19,6 @@ doc: sources
haddock -h -o haddock `cat sources`
clean:
- rm -f sources
+ rm -f sources haddock
cd time && make clean
cd fixed && make clean
diff --git a/README b/README
new file mode 100644
index 0000000..7661654
--- /dev/null
+++ b/README
@@ -0,0 +1,24 @@
+This contains two packages, "fixed" and "time". They can each be built with Cabal. "time" depends on "fixed".
+
+ cd fixed
+ runghc Setup.hs configure
+ runghc Setup.hs build
+ sudo runghc Setup.hs install
+ cd ..
+
+ cd time
+ runghc Setup.hs configure
+ runghc Setup.hs build
+ sudo runghc Setup.hs install
+ cd ..
+
+You can use it with ghci:
+
+ $ ghci
+ Prelude> :m +Data.Time
+ Prelude Data.Time> t <- getCurrentTime
+ Prelude Data.Time> t
+ 2006-02-06 06:31:43.859082 UTC
+ Prelude Data.Time> zt <- getZonedTime
+ Prelude Data.Time> zt
+ 2006-02-05 22:32:32.948607 PST
diff --git a/time/Data/Time/Clock/UTCDiff.hs b/time/Data/Time/Clock/UTCDiff.hs
new file mode 100644
index 0000000..66a2a48
--- /dev/null
+++ b/time/Data/Time/Clock/UTCDiff.hs
@@ -0,0 +1,15 @@
+{-# OPTIONS -Wall -Werror #-}
+
+-- #hide
+module Data.Time.Clock.UTCDiff where
+
+import Data.Time.Clock.POSIX
+import Data.Time.Clock.UTC
+
+-- | addUTCTime a b = a + b
+addUTCTime :: NominalDiffTime -> UTCTime -> UTCTime
+addUTCTime x t = posixSecondsToUTCTime (x + (utcTimeToPOSIXSeconds t))
+
+-- | diffUTCTime a b = a - b
+diffUTCTime :: UTCTime -> UTCTime -> NominalDiffTime
+diffUTCTime a b = (utcTimeToPOSIXSeconds a) - (utcTimeToPOSIXSeconds b)
--
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