X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fextlib%2FhExtlib.ml;h=b2092c5b35be4b91db19529f1449f818f7555868;hb=1001308d4ecc7dffa20f5f0fe479c77f8cad9b8e;hp=3ef795e9fca4badc9299cd2a0f4207fe1af2afa5;hpb=9bb529b1b6620f1cbb249104ef9303b130acb315;p=helm.git

diff --git a/helm/software/components/extlib/hExtlib.ml b/helm/software/components/extlib/hExtlib.ml
index 3ef795e9f..b2092c5b3 100644
--- a/helm/software/components/extlib/hExtlib.ml
+++ b/helm/software/components/extlib/hExtlib.ml
@@ -248,6 +248,15 @@ let list_concat ?(sep = []) =
   in
   aux []
   
+let list_iter_sep ~sep f =
+  let rec aux =
+    function
+    | [] -> ()
+    | [ last ] -> f last
+    | hd :: tl -> f hd; sep (); aux tl
+  in
+  aux
+  
 let rec list_findopt f l = 
   let rec aux k = function 
     | [] -> None 
@@ -270,7 +279,13 @@ let list_last l =
   let l = List.rev l in 
   try List.hd l with exn -> raise (Failure "HExtlib.list_last")
 ;;
-  
+
+let rec list_assoc_all a = function
+   | []                      -> []
+   | (x, y) :: tl when x = a -> y :: list_assoc_all a tl
+   | _ :: tl                 -> list_assoc_all a tl
+;;
+
 (** {2 File predicates} *)
 
 let is_dir fname =