Last active
August 29, 2015 14:17
-
-
Save gsg/015f491348f3d7f22bc5 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| (* compile with -rectypes *) | |
| type (_, _) t = | |
| | Nil : ('t, 't) t | |
| | Cons : ('t -> 'a) * ('r, 't) t -> (('a -> 'r), 't) t | |
| (* replace the _ here with b -> no crash *) | |
| let test : type a b . a -> (_, a) t -> unit = | |
| fun value -> function | |
| | Nil -> () | |
| | Cons (getter, rest) -> | |
| ignore (getter value) |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment