1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
(**/**)
type 'a t = 'a option
let get ~default = function
| None -> default
| Some v -> v
let get_exn ?(exn=Invalid_argument "None") = function
| None -> raise exn
| Some v -> v
let map_default ~default ~f = function
| None -> default
| Some v -> f v
let map ~f = function
| None -> None
| Some v -> Some (f v)
let iter ~f = function
| None -> ()
| Some v -> f v
(**/**)