Optimized as possible as I can.

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

diff --git a/Network/HTTP/Lucu/ETag.hs b/Network/HTTP/Lucu/ETag.hs
index cbbe4618460e5a89c7755028cb5effa10422794e..c75394f5701e6b8fb92b2382d99e0be1a8787042 100644 (file)
--- a/Network/HTTP/Lucu/ETag.hs
+++ b/Network/HTTP/Lucu/ETag.hs
@@ -19,10 +19,10 @@ import           Network.HTTP.Lucu.Utils
 data ETag = ETag {
       -- |The weakness flag. Weak tags looks like W\/\"blahblah\" and
       -- strong tags are like \"blahblah\".
-      etagIsWeak :: Bool
+      etagIsWeak :: !Bool
       -- |An opaque string. Only characters from 0x20 (sp) to 0x7e (~)
       -- are allowed.
-    , etagToken  :: String
+    , etagToken  :: !String
     } deriving (Eq)
 
 instance Show ETag where
@@ -52,7 +52,7 @@ eTagP = do isWeak <- option False (string "W/" >> return True)
 
 eTagListP :: Parser [ETag]
 eTagListP = allowEOF
-            $ do xs <- listOf eTagP
-                 when (null xs)
-                          $ fail ""
-                 return xs
+            $! do xs <- listOf eTagP
+                  when (null xs)
+                           $ fail ""
+                  return xs