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 9962c16924a935aa1e28e57bc7d72dd8f310b880..580691b7f4741a4370584f158f288af0e1adbeda 100644 (file)
--- a/Network/HTTP/Lucu/RFC1123DateTime.hs
+++ b/Network/HTTP/Lucu/RFC1123DateTime.hs
@@ -70,12 +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 ' '