Adjust behaviour of gcd

[ghc-base.git] / Foreign.hs

diff --git a/Foreign.hs b/Foreign.hs
index 6c3cf8a..a26ffaf 100644 (file)
--- a/Foreign.hs
+++ b/Foreign.hs
@@ -1,4 +1,5 @@
-{-# OPTIONS_GHC -fno-implicit-prelude #-}
+{-# LANGUAGE NoImplicitPrelude #-}
+
 -----------------------------------------------------------------------------
 -- |
 -- Module      :  Foreign
@@ -24,8 +25,10 @@ module Foreign
         , module Foreign.Storable
         , module Foreign.Marshal
 
-        -- | For compatibility with the FFI addendum only.  The recommended
-        -- place to get this from is "System.IO.Unsafe".
+        -- | 'unsafePerformIO' is exported here for backwards
+        -- compatibility reasons only.  For doing local marshalling in
+        -- the FFI, use 'unsafeLocalState'.  For other uses, see
+        -- 'System.IO.Unsafe.unsafePerformIO'.
         , unsafePerformIO
         ) where