From a65254a5b7a5312bc616d601737f8595b14279ef Mon Sep 17 00:00:00 2001
From: Luke Lau <luke_lau@icloud.com>
Date: Sat, 9 Jun 2018 23:34:44 -0400
Subject: [PATCH] Compatibility with GHC 8.2.1

---
 src/Language/Haskell/LSP/Test/Compat.hs  | 14 +++++++++++++-
 src/Language/Haskell/LSP/Test/Parsing.hs |  7 +------
 2 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/Language/Haskell/LSP/Test/Compat.hs b/src/Language/Haskell/LSP/Test/Compat.hs
index 00f2c0b..cd7de08 100644
--- a/src/Language/Haskell/LSP/Test/Compat.hs
+++ b/src/Language/Haskell/LSP/Test/Compat.hs
@@ -1,7 +1,9 @@
 {-# LANGUAGE CPP #-}
-
 module Language.Haskell.LSP.Test.Compat where
 
+import Control.Concurrent.Chan
+import Control.Monad.IO.Class
+import Data.Conduit
 
 #ifdef mingw32_HOST_OS
 
@@ -16,3 +18,13 @@ getProcessID :: IO Int
 getProcessID = fromIntegral <$> P.getProcessID
 
 #endif
+
+#if MIN_VERSION_conduit(1,3,0)
+chanSource :: MonadIO m => Chan o -> ConduitT i o m b
+#else
+chanSource :: MonadIO m => Chan o -> ConduitM i o m b
+#endif
+chanSource c = do
+  x <- liftIO $ readChan c
+  yield x
+  chanSource c
diff --git a/src/Language/Haskell/LSP/Test/Parsing.hs b/src/Language/Haskell/LSP/Test/Parsing.hs
index 2e829f3..49c24c9 100644
--- a/src/Language/Haskell/LSP/Test/Parsing.hs
+++ b/src/Language/Haskell/LSP/Test/Parsing.hs
@@ -18,6 +18,7 @@ import Data.Conduit.Parser
 import Data.Maybe
 import Language.Haskell.LSP.Messages
 import Language.Haskell.LSP.Types 
+import Language.Haskell.LSP.Test.Compat
 import Language.Haskell.LSP.Test.Decoding
 import Language.Haskell.LSP.Test.Messages
 import System.IO
@@ -108,12 +109,6 @@ satisfy pred = do
     then return x
     else empty
 
-chanSource :: MonadIO m => Chan o -> ConduitT i o m b
-chanSource c = do
-  x <- liftIO $ readChan c
-  yield x
-  chanSource c
-
 runSession' :: Chan FromServerMessage -> SessionContext -> SessionState -> Session a -> IO (a, SessionState)
 runSession' chan context state session = runReaderT (runStateT conduit state) context
   where conduit = runConduit $ chanSource chan .| runConduitParser session
-- 
2.30.2