[Haskell-cafe] Type classes

[Daniel Fischer]

On Sunday 04 July 2010 14:07:03, Ivan Lazar Miljenovic wrote:
> Ross Paterson <ross at soi.city.ac.uk> writes:
> > On Sun, Jul 04, 2010 at 09:55:53PM +1000, Ivan Lazar Miljenovic wrote:
> >> Andrew Coppin <andrewcoppin at btinternet.com> writes:
> >> > In summary, I think we need to devise a way of better-documenting
> >> > class instances.
> >>
> >> Haddock 2.7 supports documenting instance implementations; I don't
> >> know how this works, but according to the Changelog it's available.
> >
> > Now we need to go round and document our instances.
> >
> > Hmm, it seems only partial: documentation attached to an instance is
> > shown in the list of instances under a type, but not the list under a
> > class.
>
> I'm guessing that's to reduce noise...

I'm guessing it might have something to do with the fact that often the 
module containing the class definition isn't processed together with the 
module containing the instance declaration.