Improve docs for GHC.IO.FD.openFile

[ghc-base.git] / Data / STRef / Lazy.hs

diff --git a/Data/STRef/Lazy.hs b/Data/STRef/Lazy.hs
index 3218310..288343e 100644 (file)
--- a/Data/STRef/Lazy.hs
+++ b/Data/STRef/Lazy.hs
@@ -22,6 +22,7 @@ module Data.STRef.Lazy (
 
 import Control.Monad.ST.Lazy
 import qualified Data.STRef as ST
+import Prelude
 
 newSTRef    :: a -> ST s (ST.STRef s a)
 readSTRef   :: ST.STRef s a -> ST s a