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|
(* TEST
flags="-w +48"
*)
external ( @@ ) : ('a -> 'b) -> 'a -> 'b = "%apply"
let f x = x + x
let g x = x * x
let h x = x + 1
let add x y = x + y
let _ =
List.iter (fun x ->
print_int x; print_newline ()
)
[
f @@ 3; (* 6 *)
g @@ f @@ 3; (* 36 *)
f @@ g @@ 3; (* 18 *)
h @@ g @@ f @@ 3; (* 37 *)
add 4 @@ g @@ f @@ add 3 @@ add 2 @@ 3; (* 260 *)
]
external ( @@ ) : ('a -> 'b) -> 'a -> 'b = "%apply"
let f x = x + x
let g x = x * x
let h x = x + 1
let add x y = x + y
let _ =
List.iter (fun x ->
print_int x; print_newline ()
)
[
f @@ 3; (* 6 *)
g @@ f @@ 3; (* 36 *)
f @@ g @@ 3; (* 18 *)
h @@ g @@ f @@ 3; (* 37 *)
add 4 @@ g @@ f @@ add 3 @@ add 2 @@ 3; (* 260 *)
]
(* PR#10081 *)
let bump ?(cap = 100) x = min cap (x + 1)
let _f x = bump @@ x (* no warning 48 *)
(* Abstract functions *)
let _ =
let module A:sig
type f
type x
val succ: f
val zero:x
external (@@): f -> x -> int = "%apply"
end = struct
type f = int -> int
type x = int
let succ = succ
let zero = 0
external (@@): f -> x -> int = "%apply"
end in
A.(succ @@ zero)
|
