X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fextlib%2FhExtlib.mli;h=9c0980f76152b30b2f1f2bd884aa34db987faa1c;hb=a7237500e8a2a4237a6ae8ba4b8301f7bbcb6acb;hp=6316fa11cc2a36497183288188873871284b203b;hpb=d7d60e0067d067769b72b3d8d4b16fdae441c991;p=helm.git

diff --git a/helm/software/components/extlib/hExtlib.mli b/helm/software/components/extlib/hExtlib.mli
index 6316fa11c..9c0980f76 100644
--- a/helm/software/components/extlib/hExtlib.mli
+++ b/helm/software/components/extlib/hExtlib.mli
@@ -84,21 +84,53 @@ 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*)
-val list_findopt: ('a -> 'b option) -> 'a list -> 'b option
+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
 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
+(* Iters in parallel on two lists until the first list is empty.
+   The second one can be shorter and is padded with a default value.
+   This function cannot fail. *)
+val list_iter_default2: ('a -> 'b -> unit) -> 'a list -> 'b -> 'b list -> unit
+(* Checks a predicate in parallel on three lists, the first two having the same
+   length (otherwise it raises Invalid_argument). It stops when the first two
+   lists are empty. The third one can be shorter and is padded with a default value. *)
+val list_forall_default3: ('a -> 'b -> 'c -> bool) -> 'a list -> 'b list -> 'c -> 'c list -> bool
+val list_forall_default3_var: ('a -> 'b -> 'c -> bool) -> 'a list -> 'b list -> 'c -> 'c list -> bool
+
+exception FailureAt of int
 
   (** split_nth n l
    * @returns two list, the first contains at least n elements, the second the
-   * remaining one
+   * remaining ones
    * @raise Failure when List.length l < n *)
 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
+
+val mk_list: 'a -> int -> 'a list
+
+(* makes the list [start; ...; stop - 1] *)
+val list_seq: int -> int -> int list
+
+(* like List.assoc but returns all bindings *)
+val list_assoc_all: 'a -> ('a * 'b) list -> 'b list
+
 (** {2 Debugging & Profiling} *)
 
 type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }