From: Enrico Tassi <enrico.tassi@inria.fr>
Date: Sat, 19 Apr 2008 16:27:57 +0000 (+0000)
Subject: extlib list_uniq instead of local copy
X-Git-Tag: make_still_working~5312
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=efc3d154e69c0fb18215901f5c4de3a73ebc2fb5;p=helm.git

extlib list_uniq instead of local copy
---

diff --git a/helm/software/components/cic_proof_checking/cicUnivUtils.ml b/helm/software/components/cic_proof_checking/cicUnivUtils.ml
index d61545ff6..948b26ff0 100644
--- a/helm/software/components/cic_proof_checking/cicUnivUtils.ml
+++ b/helm/software/components/cic_proof_checking/cicUnivUtils.ml
@@ -123,14 +123,8 @@ let universes_of_obj uri t =
   let o = aux_obj t in
   List.flatten !results, o
 
-let rec list_uniq = function 
-  | [] -> []
-  | h::[] -> [h]
-  | h1::h2::tl when CicUniv.eq h1 h2 -> list_uniq (h2 :: tl) 
-  | h1::tl (* when h1 <> h2 *) -> h1 :: list_uniq tl
-
 let list_uniq l = 
-  list_uniq (List.fast_sort CicUniv.compare l)
+  HExtlib.list_uniq (List.fast_sort CicUniv.compare l)
   
 let clean_and_fill uri obj ugraph =
   (* universes of obj fills the universes of the obj with the right uri *)