Re: [Caml-list] Warning 28.

[Ivan Gotovchits <ivg@ieee.org>]

Virgile Prevosto <virgile.prevosto@m4x.org> writes:


> OCaml is not complaining about your Ref constructor, but another one
> that does not have any argument, but is nevertheless given a wildcard
> pattern in the matching, as e.g. None in
> the following code:
>
> # let f default = function
>   | Some n -> n
>   | None _ -> default;;
> Warning 28: wildcard pattern given as argument to a constant constructor
>

Indeed, right above there was a true constant constructor with a
wildcard, though, for some reason, compiler was wrong in his estimation
of the error position, that confused me.

Thanks!