From 7208928de37565a9e38f9540f2bfb1e7a3b877e6 Mon Sep 17 00:00:00 2001
From: ppedrot
Date: Mon, 17 Sep 2012 20:46:20 +0000
Subject: More cleaning on Utils and CList. Some parts of the code being
 peculiarly messy, I hope I did not introduce too many bugs.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15815 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 plugins/funind/indfun.ml | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

(limited to 'plugins/funind/indfun.ml')

diff --git a/plugins/funind/indfun.ml b/plugins/funind/indfun.ml
index 18b2bbe2f7..edc727a48f 100644
--- a/plugins/funind/indfun.ml
+++ b/plugins/funind/indfun.ml
@@ -97,11 +97,7 @@ let functional_induction with_clean c princl pat =
       if with_clean
       then
 	let idl =
-	  map_succeed
-	    (fun id ->
-	       if Idset.mem id old_idl then failwith "subst_and_reduce";
-	       id
-	    )
+	  List.filter (fun id -> not (Idset.mem id old_idl))
 	    (Tacmach.pf_ids_of_hyps g)
 	in
 	let flag =
-- 
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