Re: [Haskell-cafe] [ANNOUNCE] hashable-generics

On Sun, Nov 4, 2012 at 8:35 AM, Clark Gaebel 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 API? 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 #endif -- Johan