Everything compiles now.

Ditz-issue: 85eb4c20935bf29db052a35d75039c638817227b

diff --git a/Data/Time/RFC733.hs b/Data/Time/RFC733.hs
index 9073cd7d11848e6eab7091800320f7936b5f6bfb..6234c1b50b8fb9848123ccd602a6a1814de22ffc 100644 (file)
--- a/Data/Time/RFC733.hs
+++ b/Data/Time/RFC733.hs
@@ -1,3 +1,6 @@
+{-# LANGUAGE
+    UnicodeSyntax
+  #-}
 -- |This module provides functions to parse and format RFC 733 date
 -- and time formats.
 --
@@ -38,48 +41,31 @@
 -- >               | "Y"                ; +12
 -- >               | ("+" | "-") 4DIGIT ; Local diff: HHMM
 module Data.Time.RFC733
-    ( format
-    , parse
+    ( -- * Formatting
+      toAscii
+    , toAsciiBuilder
+
+      -- * Parsing
+    , fromAscii
+    , rfc733DateAndTime
     )
     where
+import Data.Ascii (Ascii)
+import qualified Data.Ascii as A
+import qualified Data.Attoparsec.Char8 as P
 import Data.Time
-import Data.Time.Calendar.WeekDate
-import Data.Time.HTTP.Common
 import Data.Time.RFC733.Internal
+import Prelude.Unicode
 
--- |Format a 'ZonedTime' in RFC 733.
-format :: ZonedTime -> String
-format zonedTime
-    = let localTime          = zonedTimeToLocalTime zonedTime
-          timeZone           = zonedTimeZone zonedTime
-          (year, month, day) = toGregorian (localDay localTime)
-          (_, _, week)       = toWeekDate  (localDay localTime)
-          timeOfDay          = localTimeOfDay localTime
-      in
-        concat [ longWeekDayName week
-               , ", "
-               , show2 day
-               , "-"
-               , shortMonthName month
-               , "-"
-               , show4 year
-               , " "
-               , show2 (todHour timeOfDay)
-               , ":"
-               , show2 (todMin timeOfDay)
-               , ":"
-               , show2 (floor (todSec timeOfDay))
-               , "-"
-               , show4digitsTZ timeZone
-               ]
+-- |Convert a 'ZonedTime' to RFC 733 date and time string.
+toAscii ∷ ZonedTime → Ascii
+toAscii = A.fromAsciiBuilder ∘ toAsciiBuilder
 
 -- |Parse an RFC 733 date and time string. When the string can't be
--- parsed, it returns 'Nothing'.
-parse :: String -> Maybe ZonedTime
-parse src = case P.parse p "" src of
-              Right zt -> Just zt
-              Left  _  -> Nothing
+-- parsed, it returns @'Left' err@.
+fromAscii ∷ Ascii → Either String ZonedTime
+fromAscii = P.parseOnly p ∘ A.toByteString
     where
-      p = do zt <- rfc733DateAndTime
-             _  <- P.eof
+      p = do zt ← rfc733DateAndTime
+             P.endOfInput
              return zt

diff --git a/Data/Time/RFC733/Internal.hs b/Data/Time/RFC733/Internal.hs
index d6aea4110904dcbc928f2af3f618fcad55f3b9f2..9258e65341bfbe02cfd46e3f5166169eade8eb96 100644 (file)
--- a/Data/Time/RFC733/Internal.hs
+++ b/Data/Time/RFC733/Internal.hs
@@ -5,11 +5,16 @@
 -- |Internal functions for "Data.Time.RFC733".
 module Data.Time.RFC733.Internal
     ( rfc733DateAndTime
+    , toAsciiBuilder
     )
     where
+import Data.Ascii (AsciiBuilder)
+import qualified Data.Ascii as A
 import Control.Applicative
 import Data.Attoparsec.Char8
+import Data.Monoid.Unicode
 import Data.Time
+import Data.Time.Calendar.WeekDate
 import Data.Time.HTTP.Common
 
 -- |Parse RFC 733 date and time strings.
@@ -106,3 +111,28 @@ zone = choice [ string "GMT" *> return (TimeZone 0 False "GMT")
               , char 'Z' *> return (TimeZone 0 False "Z")
               , read4digitsTZ
               ]
+
+-- |Convert a 'ZonedTime' to RFC 733 date and time string.
+toAsciiBuilder ∷ ZonedTime → AsciiBuilder
+toAsciiBuilder zonedTime
+    = let localTime          = zonedTimeToLocalTime zonedTime
+          timeZone           = zonedTimeZone zonedTime
+          (year, month, day) = toGregorian (localDay localTime)
+          (_, _, week)       = toWeekDate  (localDay localTime)
+          timeOfDay          = localTimeOfDay localTime
+      in
+        longWeekDayName week
+        ⊕ A.toAsciiBuilder ", "
+        ⊕ show2 day
+        ⊕ A.toAsciiBuilder "-"
+        ⊕ shortMonthName month
+        ⊕ A.toAsciiBuilder "-"
+        ⊕ show4 year
+        ⊕ A.toAsciiBuilder " "
+        ⊕ show2 (todHour timeOfDay)
+        ⊕ A.toAsciiBuilder ":"
+        ⊕ show2 (todMin timeOfDay)
+        ⊕ A.toAsciiBuilder ":"
+        ⊕ show2 (floor (todSec timeOfDay) ∷ Int)
+        ⊕ A.toAsciiBuilder "-"
+        ⊕ show4digitsTZ timeZone