package spotlib

  1. Overview
  2. Docs

Source file freem.ml

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
module M1_0 = struct
  type +'a t =
    | Return : 'a -> 'a t
    | Bind   : 'a t * ('a -> 'b t) -> 'b t
  
  let return a = Return a
  
  let bind at f = Bind (at, f)
end

module M1 = struct
  include M1_0
  include Monad.Make(M1_0)
end

module M2_0 = struct
  type (+'a, 'x) t =
    | Return : 'a -> ('a, 'x) t
    | Bind   : ('a, 'x) t * ('a -> ('b, 'x) t) -> ('b, 'x) t
  
  let return a = Return a
  
  let bind at f = Bind (at, f)
end

include M1

module M2 = struct
  include M2_0
  include Monad.Make2(M2_0)
end