File: first_class_module.ml

package info (click to toggle)
ocamlformat 0.28.1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 14,436 kB
  • sloc: ml: 63,321; pascal: 4,769; lisp: 229; sh: 217; makefile: 121
file content (118 lines) | stat: -rw-r--r-- 2,059 bytes parent folder | download
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
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
module type S = sig end

type t = (module S)

module type S = sig
  val x : int
end

module M = struct
  let x = 0
end

let m = (module M : S)

let () =
  let (module M : S) = m in
  (* error here *)
  ()

module type S = sig
  val x : int
end

module M = struct
  let x = 0
end

let m = (module M : S)

let f ((module M : S) as u) = ignore u ; M.x

let f (T {m= (module M)}) = ignore u ; M.x

let f (T {m= (module M : S)}) = ignore u ; M.x

let v = f (module M : S with type t = t)

module type S = sig
  type a

  val va : a

  type b

  val vb : b
end

let f (module M : S with type a = int and type b = int) = M.va + M.vb

let f (module M : S with type a = int and type b = int)
    (module N : SSSS
      with type a = int
       and type b = int
       and type c = int
       and type d = int
       and type e = int )
    (module N : SSSS
      with type a = int
       and type b = int
       and type c = int
       and type d = int )
    (module O : S with type a = int and type b = int and type c = int) =
  M.va + N.vb

module type M = sig
  val storage : (module S with type t = t)
end

let _ =
  let module M = (val m : M) in
  ()

let _ =
  ( module Ephemeron (HHHHHHHHHHHHHHHHHHHHHHHHHH) (HHHHHHHHHHHHHHHHHHHHHHHHHH)
  : Ephemeron.S )

let _ =
  ( module Ephemeron (HHHHHHHHHHHHHHHHHHHHHHHHHH) (HHHHHHHHHHHHHHHHHH)
  : Ephemeron.S )

let _ = (module Ephemeron (HHHHHHHHHHHHHHH) (HHHHHHHHHHHHH) : Ephemeron.S)

let _ = (module Ephemeron (HHH) : Ephemeron.S)

let _ =
  ( module Ephemeron (struct
    type t = t
  end) : Ephemeron.S )

let _ =
  ( module struct
    let a = b
  end )

(* Tests for dropped comment *)

module M = (val x : S (* a *))

module M = (val x (* b *))

[@@@ocamlformat "break-struct=natural"]

let _ =
  ( module struct
    let x = 0

    let y = 1
  end )

(* Three form that had an equivalent AST at some point: *)
let x : (module S) = (module M)
let x = ((module M) : (module S))
let x = (module M : S)

(* Unpack containing a [pexp_constraint]. *)
module T = (val (x : (module S)))

let _ = (module Int : T [@foo])