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|
(* TEST
* expect
*)
module Fn = struct
let id x = x
end
;;
[%%expect{|
module Fn : sig val id : 'a -> 'a end
|}]
let f = fun x -> Fn.id x
;;
[%%expect{|
val f : 'a -> 'a = <fun>
|}]
let g = Fn.(fun x -> id x)
let h = let open Fn in fun x -> id x
;;
[%%expect{|
val g : 'a -> 'a = <fun>
val h : 'a -> 'a = <fun>
|}]
let i =
let open struct
let id x = x
end in
fun x -> id x
let iM =
let module M = struct
let id x = x
end in
fun x -> M.id x
;;
[%%expect{|
val i : 'a -> 'a = <fun>
val iM : 'a -> 'a = <fun>
|}]
let j =
let open struct
exception E
let id x = x
end in
fun x -> id x
let jM =
let module M = struct
exception E
let id x = x
end in
fun x -> M.id x
;;
[%%expect{|
val j : '_weak1 -> '_weak1 = <fun>
val jM : '_weak2 -> '_weak2 = <fun>
|}]
module Square(X : sig val x : int end) = struct
let result = X.x * X.x
end
;;
[%%expect{|
module Square : functor (X : sig val x : int end) -> sig val result : int end
|}]
let k =
let open Square(struct let x = 3 end) in
fun x -> x
let kM =
let module M = Square(struct let x = 3 end) in
fun x -> x
;;
[%%expect{|
val k : '_weak3 -> '_weak3 = <fun>
val kM : '_weak4 -> '_weak4 = <fun>
|}]
let op =
let module M = struct
open struct let r = ref [] end
let s = r
end in
M.s
;;
[%%expect{|
val op : '_weak5 list ref = {contents = []}
|}]
|
