From: Ian Lynagh <igloo@earth.li>
Date: Tue, 13 May 2008 20:21:54 +0000 (+0000)
Subject: Use zipLazy from Util in VectType, rather than defining our own lazy_zip
X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=commitdiff_plain;h=05535340ae496c57ff218e016da6649ca1640754;ds=sidebyside

Use zipLazy from Util in VectType, rather than defining our own lazy_zip
---

diff --git a/compiler/vectorise/VectType.hs b/compiler/vectorise/VectType.hs
index 84d9aa5..42342c4 100644
--- a/compiler/vectorise/VectType.hs
+++ b/compiler/vectorise/VectType.hs
@@ -32,7 +32,7 @@ import TysPrim           ( intPrimTy )
 import Unique
 import UniqFM
 import UniqSet
-import Util              ( singleton )
+import Util
 import Digraph           ( SCC(..), stronglyConnComp )
 
 import Outputable
@@ -154,11 +154,8 @@ vectTypeEnv env
 vectTyConDecls :: [TyCon] -> VM [TyCon]
 vectTyConDecls tcs = fixV $ \tcs' ->
   do
-    mapM_ (uncurry defTyCon) (lazy_zip tcs tcs')
+    mapM_ (uncurry defTyCon) (zipLazy tcs tcs')
     mapM vectTyConDecl tcs
-  where
-    lazy_zip [] _ = []
-    lazy_zip (x:xs) ~(y:ys) = (x,y) : lazy_zip xs ys
 
 vectTyConDecl :: TyCon -> VM TyCon
 vectTyConDecl tc