From: panne <unknown>
Date: Sat, 24 Jun 2000 17:47:12 +0000 (+0000)
Subject: [project @ 2000-06-24 17:47:12 by panne]
X-Git-Tag: Approximately_9120_patches~4148
X-Git-Url: http://git.megacz.com/?a=commitdiff_plain;h=701f006f2532203dc097f979dfe74cbd7ee739ab;p=ghc-hetmet.git

[project @ 2000-06-24 17:47:12 by panne]
Fixed "filterFB" RULE

*** please merge ***
---

diff --git a/ghc/lib/std/PrelList.lhs b/ghc/lib/std/PrelList.lhs
index dcc0c81..18f5325 100644
--- a/ghc/lib/std/PrelList.lhs
+++ b/ghc/lib/std/PrelList.lhs
@@ -124,7 +124,7 @@ filterFB c p x r | p x       = x `c` r
 
 {-# RULES
 "filter"	forall p xs.	filter p xs = build (\c n -> foldr (filterFB c p) n xs)
-"filterFB"	forall c p q.	filterFB (filterFB c p) q = filterFB c (\x -> p x && q x)
+"filterFB"	forall c p q.	filterFB (filterFB c p) q = filterFB c (\x -> q x && p x)
 "filterList" 	forall p.	foldr (filterFB (:) p) [] = filterList p
  #-}