Added an another engine for motus, using entropy instead of frequencies only

1 files changed, 6 insertions, 1 deletions

diff --git a/motus/lib/validity.mli b/motus/lib/validity.mli
index dfd876c..a3d8ae3 100644
--- a/motus/lib/validity.mli
+++ b/motus/lib/validity.mli
@@ -1,8 +1,13 @@
+module CharSet : Set.S with type elt = char
+
 type t =
   | Wellplaced
   | Misplaced
   | Missing
 
+val elements : float
+(** Number of elements in the sum type *)
+
 val sequence : int -> t array Seq.t
 (** Build a sequence of all the possible status for a given number of letters *)
 
@@ -11,7 +16,7 @@ val index_of_result : t array -> int
 
 val index_to_result : base:int -> int -> t array
 
-val compare_words : string -> ref:string -> t array option
+val compare_words : string -> ref:string * CharSet.t -> t array option
 
 val to_criteria : char -> int -> t -> Criteria.t list -> Criteria.t list