diff options
Diffstat (limited to 'compiler/utils/IOEnv.hs')
| -rw-r--r-- | compiler/utils/IOEnv.hs | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/compiler/utils/IOEnv.hs b/compiler/utils/IOEnv.hs index 6c081ea3d0..29854c51fe 100644 --- a/compiler/utils/IOEnv.hs +++ b/compiler/utils/IOEnv.hs @@ -1,4 +1,3 @@ -{-# LANGUAGE DeriveDataTypeable #-} {-# LANGUAGE CPP #-} -- @@ -39,7 +38,6 @@ import Panic import Data.IORef ( IORef, newIORef, readIORef, writeIORef, modifyIORef, atomicModifyIORef, atomicModifyIORef' ) -import Data.Typeable import System.IO.Unsafe ( unsafeInterleaveIO ) import System.IO ( fixIO ) import Control.Monad @@ -95,7 +93,6 @@ failWithM :: String -> IOEnv env a failWithM s = IOEnv (\ _ -> ioError (userError s)) data IOEnvFailure = IOEnvFailure - deriving Typeable instance Show IOEnvFailure where show IOEnvFailure = "IOEnv failure" |