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|
(* TEST
* expect
*)
(* Example from Stephen Dolan.
Accessing an extension constructor involves accessing the module
in which it's defined.
*)
module type T =
sig exception A of int end;;
[%%expect{|
module type T = sig exception A of int end
|}];;
let rec x =
let module M = (val m) in
M.A 42
and (m : (module T)) =
(module (struct exception A of int end) : T);;
[%%expect{|
Lines 2-3, characters 2-8:
2 | ..let module M = (val m) in
3 | M.A 42
Error: This kind of expression is not allowed as right-hand side of `let rec'
|}];;
|
