Suppress unused-do-bind warnings which GHC 6.12.1 emits

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

diff --git a/Network/HTTP/Lucu/Request.hs b/Network/HTTP/Lucu/Request.hs
index b316730d1112174b26e8aec564b20dd4c38c2ea0..712a6107f2932f93d603e9e272013e65c2553578 100644 (file)
--- a/Network/HTTP/Lucu/Request.hs
+++ b/Network/HTTP/Lucu/Request.hs
@@ -1,4 +1,4 @@
--- #prune
+{-# OPTIONS_HADDOCK prune #-}
 
 -- |Definition of things related on HTTP request.
 --
@@ -45,7 +45,7 @@ instance HasHeaders Request where
 
 
 requestP :: Parser Request
-requestP = do many crlf
+requestP = do _                      <- many crlf
               (method, uri, version) <- requestLineP
               headers                <- headersP
               return Request {
@@ -58,32 +58,32 @@ requestP = do many crlf
 
 requestLineP :: Parser (Method, URI, HttpVersion)
 requestLineP = do method <- methodP
-                  sp
+                  _      <- sp
                   uri    <- uriP
-                  sp
+                  _      <- sp
                   ver    <- httpVersionP
-                  crlf
+                  _      <- crlf
                   return (method, uri, ver)
 
 
 methodP :: Parser Method
-methodP = (let methods = [ ("OPTIONS", OPTIONS)
-                         , ("GET"    , GET    )
-                         , ("HEAD"   , HEAD   )
-                         , ("POST"   , POST   )
-                         , ("PUT"    , PUT    )
-                         , ("DELETE" , DELETE )
-                         , ("TRACE"  , TRACE  )
-                         , ("CONNECT", CONNECT)
-                         ]
-           in foldl (<|>) (fail "") $ map (\ (str, mth)
-                                           -> string str >> return mth) methods)
+methodP = ( let methods = [ ("OPTIONS", OPTIONS)
+                          , ("GET"    , GET    )
+                          , ("HEAD"   , HEAD   )
+                          , ("POST"   , POST   )
+                          , ("PUT"    , PUT    )
+                          , ("DELETE" , DELETE )
+                          , ("TRACE"  , TRACE  )
+                          , ("CONNECT", CONNECT)
+                          ]
+            in choice $ map (\ (str, mth)
+                                 -> string str >> return mth) methods )
           <|>
-          token >>= return . ExtensionMethod
+          fmap ExtensionMethod token
 
 
 uriP :: Parser URI
 uriP = do str <- many1 $ satisfy (\ c -> not (isCtl c || c == ' '))
           case parseURIReference str of
-            Nothing  -> fail ""
+            Nothing  -> failP
             Just uri -> return uri
\ No newline at end of file