X-Git-Url: http://git.lukelau.me/?p=lsp-test.git;a=blobdiff_plain;f=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FParsing.hs;fp=src%2FLanguage%2FHaskell%2FLSP%2FTest%2FParsing.hs;h=1d7f38e56e564104a4157f387ba9fea4d4350e3a;hp=88109a5155801e2ed3015861c019ee4fd93217d6;hb=b1b104cd31ca2e90b6c1842be93b61a14d942101;hpb=fbb260c6078a39ff071fefd6586af18715b3e6a3

diff --git a/src/Language/Haskell/LSP/Test/Parsing.hs b/src/Language/Haskell/LSP/Test/Parsing.hs
index 88109a5..1d7f38e 100644
--- a/src/Language/Haskell/LSP/Test/Parsing.hs
+++ b/src/Language/Haskell/LSP/Test/Parsing.hs
@@ -53,9 +53,8 @@ satisfy pred = do
 message :: forall a. (Typeable a, FromJSON a) => Session a
 message =
   let parser = decode . encodeMsg :: FromServerMessage -> Maybe a
-  in named (T.pack $ show $ head $ snd $ splitTyConApp $ last $ typeRepArgs $ typeOf parser) $ do
-    x <- satisfy (isJust . parser)
-    return $ castMsg x
+  in named (T.pack $ show $ head $ snd $ splitTyConApp $ last $ typeRepArgs $ typeOf parser) $
+    castMsg <$> satisfy (isJust . parser)
 
 -- | Matches if the message is a notification.
 anyNotification :: Session FromServerMessage