CCBool(cleanup): remove function always present on 4.08

Author: FardaleM

src/core/CCBool.ml

@@ -1,9 +1,6 @@
 (* This file is free software, part of containers. See file "license" for more details. *)
 
-type t = bool
-
-let equal (a : bool) b = Stdlib.( = ) a b
-let compare (a : bool) b = Stdlib.compare a b
+include Bool
 
 let if_then f x =
   if x then
@@ -17,12 +14,6 @@ let if_then_else f g x =
   else
     g ()
 
-let to_int (x : bool) : int =
-  if x then
-    1
-  else
-    0
-
 let of_int x : t = x <> 0
 
 type 'a printer = Format.formatter -> 'a -> unit

src/core/CCBool.mli

@@ -2,13 +2,8 @@
 
 (** Basic Bool functions *)
 
-type t = bool
-
-val compare : t -> t -> int
-(** [compare b1 b2] is the total ordering on booleans [b1] and [b2], similar to {!Stdlib.compare}. *)
-
-val equal : t -> t -> bool
-(** [equal b1 b2] is [true] if [b1] and [b2] are the same. *)
+include module type of Bool
+(** @inline *)
 
 val if_then : (unit -> 'a) -> t -> 'a option
 (** [if_then f x] is [Some (f ())] if [x] is true and None otherwise.
@@ -18,10 +13,6 @@ val if_then_else : (unit -> 'a) -> (unit -> 'a) -> t -> 'a
 (** [if_then_else f g x] is [f ()] if [x] is true and [g ()] otherwise.
     @since 3.13 *)
 
-val to_int : t -> int
-(** [to_int true = 1], [to_int false = 0].
-    @since 2.7 *)
-
 val of_int : int -> t
 (** [of_int i] is the same as [i <> 0]
     @since 2.7 *)