module type MATRIX = sig
type 'a t
- val create : rows:int -> cols:int -> data:'a -> 'a t
+ val create : rs:int -> ks:int -> data:'a -> 'a t
- val get : 'a t -> row:int -> col:int -> 'a
+ val get : 'a t -> r:int -> k:int -> 'a
- val set : 'a t -> row:int -> col:int -> data:'a -> unit
+ val map : 'a t -> f:('a -> 'b) -> 'b t
- val map : 'a t -> f:(row:int -> col:int -> data:'a -> 'b) -> 'b t
+ val mapi : 'a t -> f:(r:int -> k:int -> data:'a -> 'b) -> 'b t
- val iter : 'a t -> f:(row:int -> col:int -> data:'a -> unit) -> unit
+ val iter : 'a t -> f:(r:int -> k:int -> data:'a -> unit) -> unit
val print : 'a t -> to_string:('a -> string) -> unit
end
module Matrix : MATRIX = struct
type 'a t = 'a array array
- let create ~rows ~cols ~data =
- Array.make_matrix ~dimx:rows ~dimy:cols data
+ let create ~rs ~ks ~data =
+ Array.make_matrix ~dimx:rs ~dimy:ks data
let iter t ~f =
Array.iteri t ~f:(
- fun row cols ->
- Array.iteri cols ~f:(
- fun col data ->
- f ~row ~col ~data
+ fun r ks ->
+ Array.iteri ks ~f:(
+ fun k data ->
+ f ~r ~k ~data
)
)
let print t ~to_string =
Array.iter t ~f:(
- fun row ->
- Array.iter row ~f:(fun x -> printf "%s" (to_string x));
+ fun r ->
+ Array.iter r ~f:(fun x -> printf "%s" (to_string x));
print_newline ()
)
let map t ~f =
+ Array.map t ~f:(Array.map ~f:(fun x -> f x))
+
+ let mapi t ~f =
Array.mapi t ~f:(
- fun row cols ->
- Array.mapi cols ~f:(
- fun col data ->
- f ~row ~col ~data
+ fun r ks ->
+ Array.mapi ks ~f:(
+ fun k data ->
+ f ~r ~k ~data
)
)
- let get t ~row ~col =
- t.(row).(col)
-
- let set t ~row ~col ~data =
- t.(row).(col) <- data
+ let get t ~r ~k =
+ t.(r).(k)
end
module type CELL = sig
type t
- val init : unit -> t
+ val create : unit -> t
val to_string : t -> string
| D -> " "
| A -> "o"
- let init () =
+ let create () =
Random.int 2 |> of_int
let state = to_int
end
-let main rows cols () =
+let main rs ks () =
Random.self_init ();
- let init ~row:_ ~col:_ ~data = Conway.init data in
- let grid = Matrix.create ~rows ~cols ~data:() |> Matrix.map ~f:init in
+ let grid = Matrix.create ~rs ~ks ~data:() |> Matrix.map ~f:Conway.create in
Matrix.print grid ~to_string:Conway.to_string