Slight speed improvement

[Lucu.git] / Network / HTTP / Lucu / RFC1123DateTime.hs

diff --git a/Network/HTTP/Lucu/RFC1123DateTime.hs b/Network/HTTP/Lucu/RFC1123DateTime.hs
index 3be2dd414b0bd67ba39166a6d9d95c2395977c16..580691b7f4741a4370584f158f288af0e1adbeda 100644 (file)
--- a/Network/HTTP/Lucu/RFC1123DateTime.hs
+++ b/Network/HTTP/Lucu/RFC1123DateTime.hs
@@ -9,12 +9,9 @@ module Network.HTTP.Lucu.RFC1123DateTime
     where
 
 import           Control.Monad
-import qualified Data.ByteString.Lazy.Char8 as B
-import           Data.ByteString.Lazy.Char8 (ByteString)
 import           Network.HTTP.Lucu.Format
 import           Network.HTTP.Lucu.Parser
 import           System.Time
-import           System.Locale
 
 month :: [String]
 month =  ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"]
@@ -73,12 +70,12 @@ parseHTTPDateTime src
 
 
 httpDateTime :: Parser ClockTime
-httpDateTime = do foldl (<|>) (fail "") (map string week)
+httpDateTime = do foldl (<|>) failP (map string week)
                   char ','
                   char ' '
                   day  <- liftM read (count 2 digit)
                   char ' '
-                  mon  <- foldl (<|>) (fail "") (map tryEqToFst (zip month [1..]))
+                  mon  <- foldl (<|>) failP (map tryEqToFst (zip month [1..]))
                   char ' '
                   year <- liftM read (count 4 digit)
                   char ' '