[Haskell-cafe] Storable types with zero size

Carter Schonwald carter.schonwald at gmail.com
Sat Dec 19 15:01:10 UTC 2015

1 byte alignment might be tricky.

When talking about storable, its helpful to keep in mind that it's meant to
facilitate c interop, and ask what the corresponds with unit in c land,
 and I think the answer is 0 bits :)

On Friday, December 18, 2015, Douglas McClean <douglas.mcclean at gmail.com>

> Can the sizeOf a Storable type be 0?
> As far as I can see the documentation doesn't say. I wouldn't expect there
> to be a problem, but there also isn't an instance Storable (), which I was
> expecting to see.
> If so, should its alignment be 1 or 0?
> -Doug McClean
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