Add {-# OPTIONS_GHC -w #-} and some blurb to all compiler modules

[ghc-hetmet.git] / compiler / utils / ListSetOps.lhs

diff --git a/compiler/utils/ListSetOps.lhs b/compiler/utils/ListSetOps.lhs
index 0295072..976557e 100644 (file)
--- a/compiler/utils/ListSetOps.lhs
+++ b/compiler/utils/ListSetOps.lhs
@@ -1,9 +1,17 @@
 %
+% (c) The University of Glasgow 2006
 % (c) The GRASP/AQUA Project, Glasgow University, 1992-1998
 %
 \section[ListSetOps]{Set-like operations on lists}
 
 \begin{code}
+{-# OPTIONS_GHC -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/WorkingConventions#Warnings
+-- for details
+
 module ListSetOps (
        unionLists, minusList, insertList,
 
@@ -23,8 +31,9 @@ module ListSetOps (
 import Outputable
 import Unique  ( Unique )
 import UniqFM  ( eltsUFM, emptyUFM, addToUFM_C )
-import Util    ( isn'tIn, isIn, mapAccumR, sortLe )
-import List    ( partition )
+import Util    ( isn'tIn, isIn, sortLe )
+
+import Data.List
 \end{code}