Remove unnecessary 'try'

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

diff --git a/Network/HTTP/Lucu/Headers.hs b/Network/HTTP/Lucu/Headers.hs
index cfb3fb2dd98e5797fe6c96b6ca861ac93e5f4307..f87ae5cc127bf5de7be624241373a779080094ad 100644 (file)
--- a/Network/HTTP/Lucu/Headers.hs
+++ b/Network/HTTP/Lucu/Headers.hs
@@ -57,6 +57,10 @@ class HasHeaders a where
             Headers m
               → setHeaders a $ Headers $ M.insert key val m
 
+instance HasHeaders Headers where
+    getHeaders   = id
+    setHeaders _ = id
+
 toHeaders ∷ [(CIAscii, Ascii)] → Headers
 {-# INLINE toHeaders #-}
 toHeaders = flip mkHeaders (∅)
@@ -102,12 +106,11 @@ headersP = do xs ← P.many header
               return $ toHeaders xs
     where
       header ∷ Parser (CIAscii, Ascii)
-      header = try $
-               do name ← A.toCIAscii <$> token
+      header = do name ← A.toCIAscii <$> token
                   _    ← char ':'
                   skipMany lws
-                  values ← sepBy content lws
-                  skipMany lws
+                  values ← sepBy content (try lws)
+                  skipMany (try lws)
                   crlf
                   return (name, joinValues values)