X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fextlib%2FhExtlib.mli;h=34b4e3103680d0ae90a02882e9d53e09d0f3bd54;hb=cd415135f0bcf53f10ed7649fcacc3247bc7a3f1;hp=63bfc25f1bbc8789e1c22399ad1a86baf2cf063c;hpb=b0179e12340029c8316e3819c1f39171d878adc7;p=helm.git

diff --git a/helm/software/components/extlib/hExtlib.mli b/helm/software/components/extlib/hExtlib.mli
index 63bfc25f1..34b4e3103 100644
--- a/helm/software/components/extlib/hExtlib.mli
+++ b/helm/software/components/extlib/hExtlib.mli
@@ -86,6 +86,8 @@ val list_uniq:
 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
@@ -100,18 +102,20 @@ val list_mapi_acc:
 (* 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
+val sharing_map_acc: 
+     ('acc -> 'a -> 'acc * 'a) -> 'acc -> 'a list -> 'acc * '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
+exception FailureAt of int
 (* 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. *)
+   lists are empty. The third one can be shorter and is padded with a default
+   value. It can also raise FailureAt when ??? *)
 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 ones