New function list_iter_sep.

diff --git a/helm/software/components/extlib/hExtlib.ml b/helm/software/components/extlib/hExtlib.ml
index 5f2c7f78caab9eef51dc733ebe59d4addfee1194..b2092c5b35be4b91db19529f1449f818f7555868 100644 (file)
--- 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 

diff --git a/helm/software/components/extlib/hExtlib.mli b/helm/software/components/extlib/hExtlib.mli
index 69843b235be58d541fe805265f7b1d8a91c47b4a..20e6c0192dcac84defb6613cb87ae31aca216c58 100644 (file)
--- a/helm/software/components/extlib/hExtlib.mli
+++ b/helm/software/components/extlib/hExtlib.mli
@@ -87,6 +87,7 @@ val filter_map: ('a -> 'b option) -> 'a list -> 'b list (** filter + map *)
 val list_rev_map_filter: ('a -> 'b option) -> 'a list -> 'b list
 val list_rev_map_filter_fold: ('c -> 'a -> 'c * 'b option) -> 'c -> 'a list -> 'c * 'b list
 val list_concat: ?sep:'a list -> 'a list list -> 'a list (**String.concat-like*)
+val list_iter_sep: sep:(unit -> unit) -> ('a -> unit) -> 'a list -> unit
 val list_findopt: ('a -> int -> 'b option) -> 'a list -> 'b option
 val flatten_map: ('a -> 'b list) -> 'a list -> 'b list
 val list_last: 'a list -> 'a