From daf4ef5bb4138eb2ab9b7bf39d1c6a08984b8c01 Mon Sep 17 00:00:00 2001
From: herbelin
Date: Wed, 26 Jan 2000 15:01:55 +0000
Subject: Abstraction de l'implémentation des signatures de Sign en vue
 intégration du let-in

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@281 85f007b7-540e-0410-9357-904b9bb8a0f7
---
 kernel/safe_typing.ml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'kernel/safe_typing.ml')

diff --git a/kernel/safe_typing.ml b/kernel/safe_typing.ml
index b2c5df74f6..be489e047a 100644
--- a/kernel/safe_typing.ml
+++ b/kernel/safe_typing.ml
@@ -439,11 +439,11 @@ let pop_vars idl env =
     if n = 0 then
       sign
     else
-      match sign with
-	| (id::ids,_::tys) ->
+      if isnull_sign sign then anomaly "pop_vars"
+      else
+	let (id,_) = hd_sign sign in 
 	    if not (List.mem id idl) then anomaly "pop_vars";
-	    remove (pred n) (ids,tys) 
-	| _ -> anomaly "pop_vars"
+	    remove (pred n) (tl_sign sign)
   in
   change_hyps (remove (List.length idl)) env
 
-- 
cgit v1.2.3