[Haskell-cafe] [ANNOUNCE] hashable-generics
cgaebel at uwaterloo.ca
Sun Nov 4 17:47:37 CET 2012
Yes. Sorry if I wasn't clear. That's what I intended.
So would a patch adding this to hashable be accepted?
On Sun, Nov 4, 2012 at 11:39 AM, Johan Tibell <johan.tibell at gmail.com>wrote:
> On Sun, Nov 4, 2012 at 8:35 AM, Clark Gaebel <cgaebel at uwaterloo.ca> wrote:
> > @dag:
> > I would love for this to be merged into Data.Hashable, and I think it
> would make a lot of people's lives easier, and prevent them from writing
> bad hash functions accidentally.
> Couldn't we do it using GHC's default implementations based on
> signatures features, so we don't have to expose any new things in the
> We used that in unordered-containers like so:
> #ifdef GENERICS
> default parseRecord :: (Generic a, GFromRecord (Rep a)) => Record
> -> Parser a
> parseRecord r = to <$> gparseRecord r
> -- Johan
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