X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fextlib%2FhExtlib.ml;h=523913cbfcda4e6e2e501103d068d1462ff9232e;hb=916c558005ed665c62699a7a4c5347870c8a3efb;hp=361587b7d33402f4d3989ffde01d72538a88deb6;hpb=023b925489d007fc1a39087e2770aac4b2740159;p=helm.git

diff --git a/helm/software/components/extlib/hExtlib.ml b/helm/software/components/extlib/hExtlib.ml
index 361587b7d..523913cbf 100644
--- a/helm/software/components/extlib/hExtlib.ml
+++ b/helm/software/components/extlib/hExtlib.ml
@@ -239,14 +239,14 @@ let list_concat ?(sep = []) =
   aux []
   
 let rec list_findopt f l = 
-  let rec aux = function 
+  let rec aux k = function 
     | [] -> None 
     | x::tl -> 
-        (match f x with
-        | None -> aux tl
+        (match f x k with
+        | None -> aux (succ k) tl
         | Some _ as rc -> rc)
   in
-  aux l
+  aux 0 l
 
 let split_nth n l =
   let rec aux acc n l =
@@ -464,7 +464,7 @@ let loc_of_floc floc = Stdpp.first_pos floc, Stdpp.last_pos floc;;
 let floc_of_loc (loc_begin, loc_end) =
  Stdpp.make_loc (loc_begin, loc_end)
 
-let dummy_floc = floc_of_loc (-1, -1)
+let dummy_floc = floc_of_loc (0, 0)
 
 let raise_localized_exception ~offset floc exn =
  let x, y = loc_of_floc floc in