Unacceptable result type in FFI

[David Waern]

2008/11/16 Neal Alexander <wqeqweuqy at hotmail.com>:
> How do you get Haddock 2.4 to handle the return type of an FFI function that
> isnt "IO". It works automatically in the haddock version that ships with ghc
> 6.8.1.
>
> I tried:
>
> haddock --haddock-options=--optghc=-XGeneralizedNewtypeDe
> riving

I don't see why this would be a problem. What kind of error message do you get?

I can't test myself right now since I'm at work.

Thanks,
David