X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fextlib%2FhExtlib.mli;h=d8c4eccd0b1f84e804984eeb918e15c95191b690;hb=987627a48b2a3c2345d1af2c2a6b1ab78aa90b58;hp=30a6f145f11e22b0ad371d728182971d80cb5892;hpb=4b5527a6ccbe73ada47f903292959ed3dde3b5c6;p=helm.git

diff --git a/helm/software/components/extlib/hExtlib.mli b/helm/software/components/extlib/hExtlib.mli
index 30a6f145f..d8c4eccd0 100644
--- a/helm/software/components/extlib/hExtlib.mli
+++ b/helm/software/components/extlib/hExtlib.mli
@@ -87,16 +87,36 @@ 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_findopt: ('a -> 'b option) -> 'a list -> 'b option
+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 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
 (** {2 Debugging & Profiling} *)
 
 type profiler = { profile : 'a 'b. ('a -> 'b) -> 'a -> 'b }