Miscellaneous utility functions.

diff --git a/lib/whenutils.ml b/lib/whenutils.ml
index 643da7d..461af5a 100644 (file)
--- a/lib/whenutils.ml
+++ b/lib/whenutils.ml
@@ -31,8 +31,16 @@ module StringMap = struct
   let values m = fold (fun _ v vs -> v :: vs) m []
 end
 
+module IntMap = struct
+  include Map.Make (struct type t = int let compare = compare end)
+  let keys m = fold (fun k _ ks -> k :: ks) m []
+  let values m = fold (fun _ v vs -> v :: vs) m []
+end
+
 module StringSet = Set.Make (String)
 
+let (//) = Filename.concat
+
 let rec filter_map f = function
   | [] -> []
   | x :: xs ->

diff --git a/lib/whenutils.mli b/lib/whenutils.mli
index 2d5bbfa..5f62f5c 100644 (file)
--- a/lib/whenutils.mli
+++ b/lib/whenutils.mli
@@ -20,7 +20,7 @@
 
 module StringMap : sig
   type key = String.t
-  type 'a t = 'a Map.Make(String).t
+  type 'a t
   val empty : 'a t
   val is_empty : 'a t -> bool
   val mem : key -> 'a t -> bool
@@ -51,6 +51,39 @@ module StringMap : sig
 end
 (** A map from string to any type. *)
 
+module IntMap : sig
+  type key = int
+  type 'a t
+  val empty : 'a t
+  val is_empty : 'a t -> bool
+  val mem : key -> 'a t -> bool
+  val add : key -> 'a -> 'a t -> 'a t
+  (*val singleton : key -> 'a -> 'a t*)
+  val remove : key -> 'a t -> 'a t
+  (*val merge :
+    (key -> 'a option -> 'b option -> 'c option) -> 'a t -> 'b t -> 'c t*)
+  val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int
+  val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool
+  val iter : (key -> 'a -> unit) -> 'a t -> unit
+  val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b
+  (*val for_all : (key -> 'a -> bool) -> 'a t -> bool
+  val exists : (key -> 'a -> bool) -> 'a t -> bool
+  val filter : (key -> 'a -> bool) -> 'a t -> 'a t
+  val partition : (key -> 'a -> bool) -> 'a t -> 'a t * 'a t
+  val cardinal : 'a t -> int
+  val bindings : 'a t -> (key * 'a) list
+  val min_binding : 'a t -> key * 'a
+  val max_binding : 'a t -> key * 'a
+  val choose : 'a t -> key * 'a
+  val split : key -> 'a t -> 'a t * 'a option * 'a t*)
+  val find : key -> 'a t -> 'a
+  val map : ('a -> 'b) -> 'a t -> 'b t
+  val mapi : (key -> 'a -> 'b) -> 'a t -> 'b t
+  val keys : 'a t -> key list
+  val values : 'a t -> 'a list
+end
+(** A map from int to any type. *)
+
 module StringSet : sig
   type elt = String.t
   type t = Set.Make(String).t
@@ -81,6 +114,9 @@ module StringSet : sig
 end
 (** A set of strings. *)
 
+val (//) : string -> string -> string
+(** [dir // file] concatenates directory and file. *)
+
 val filter_map : ('a -> 'b option) -> 'a list -> 'b list
 (** Filter + map. *)