[Haskell-cafe] [ANNOUNCE] hashable-generics

[Clark Gaebel]

For the merge into Hashable, the default instance is only included if we're
on a compatible GHC. This means Hashable itself will be portable, but it
strongly encourages other packages not to be.

I think the portability requirement is just used as an easy way to filter
out lower quality code, anyway.

  - Clark


On Tue, Nov 6, 2012 at 6:31 AM, Herbert Valerio Riedel <hvr at gnu.org> wrote:

> Clark Gaebel <cgaebel at uwaterloo.ca> writes:
>
> > How would the ghc-dependance affect hashable's inclusion in the haskell
> > platform? Doesn't the haskell platform ship only a recent version of ghc
> > (i.e. one with support for generics)?
>
> I was under the impression that the haskell platform, albeit currently
> bundling GHC, aims for portability, as in [1] its required that a
> package
>
> | * Compile on all operating systems and compilers that the platform
> targets. [rationale-8.4]
>
> and in [2] there's a (somewhat weaker) mention of portability as well:
>
> | *Portability*. Good code is portable. In particular, try to ensure the
> |                code runs in Hugs and GHC, and on Windows and Linux.
>
> Maybe Hugs is a bit too outdated/unmaintained, but on the other hand
> maybe JHC and UHC compatibility should be aimed for instead these days
> for core packages?
>
>
>  [1]:
> http://trac.haskell.org/haskell-platform/wiki/AddingPackages#Packagerequirements
>  [2]:
> http://www.haskell.org/haskellwiki/Library_submissions#Guidance_for_proposers
>
>
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