initial implementation of `ncoercion name : type := body on name : pat to pat`

[helm.git] / helm / software / components / extlib / hExtlib.mli

diff --git a/helm/software/components/extlib/hExtlib.mli b/helm/software/components/extlib/hExtlib.mli
index 52e2fbf6078a9bf26bfbb3c4b56347b577fc7512..9c0980f76152b30b2f1f2bd884aa34db987faa1c 100644 (file)
--- a/helm/software/components/extlib/hExtlib.mli
+++ b/helm/software/components/extlib/hExtlib.mli
@@ -84,6 +84,11 @@ val trim_blanks: string -> string (** strip heading and trailing blanks *)
 val list_uniq: 
   ?eq:('a->'a->bool) -> 'a list -> 'a list (** uniq unix filter on lists *)
 val filter_map: ('a -> 'b option) -> 'a list -> 'b list (** filter + map *)
+val filter_map_acc: ('acc -> 'a -> ('acc * 'b) option) -> 'acc -> 'a list ->
+        'acc * 'b list (** fold/filter + map *)
+val filter_map_monad: ('acc -> 'a -> 'acc * 'b option) -> 'acc -> 'a list ->
+        'acc * 'b list (** fold/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*)
@@ -92,6 +97,8 @@ 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
 val list_mapi: ('a -> int -> 'b) -> 'a list -> 'b list
+val list_mapi_acc: 
+      ('a -> int -> 'acc -> 'acc * 'b) -> 'acc -> 'a list -> 'acc * 'b list 
 (* Finds the zero based index of the first element that satisfies a predicate*)
 val list_index: ('a -> bool) -> 'a list -> (int * 'a) option
 val sharing_map: ('a -> 'a) -> 'a list -> 'a list
@@ -111,8 +118,7 @@ exception FailureAt of int
    * @returns two list, the first contains at least n elements, the second the
    * remaining ones
    * @raise Failure when List.length l < n *)
-(* FG: first argument: error msg *)
-val split_nth: string -> int -> 'a list -> 'a list * 'a list
+val split_nth: int -> 'a list -> 'a list * 'a list
 
  (** skip [n] [l] skips the first n elements of l *)
 val list_skip : int -> 'a list -> 'a list