Use explicit language extensions & remove extension fields from base.cabal

[ghc-base.git] / GHC / Err.lhs

diff --git a/GHC/Err.lhs b/GHC/Err.lhs
index 071e9b6..90142f4 100644 (file)
--- a/GHC/Err.lhs
+++ b/GHC/Err.lhs
@@ -1,6 +1,7 @@
 \begin{code}
-{-# OPTIONS_GHC -XNoImplicitPrelude #-}
+{-# LANGUAGE CPP, NoImplicitPrelude #-}
 {-# OPTIONS_HADDOCK hide #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  GHC.Err
@@ -33,9 +34,7 @@ module GHC.Err
        ) where
 
 #ifndef __HADDOCK__
-import GHC.Base
-import GHC.IOBase
-import GHC.List     ( span )
+import GHC.Types
 import GHC.Exception
 #endif
 \end{code}
@@ -48,7 +47,7 @@ import GHC.Exception
 
 \begin{code}
 -- | 'error' stops execution and displays an error message.
-error :: String -> a
+error :: [Char] -> a
 error s = throw (ErrorCall s)
 
 -- | A special case of 'error'.