Deriviable type classes
José Pedro Magalhães
jpm at cs.uu.nl
Wed Feb 9 13:20:28 CET 2011
2011/2/9 Simon Peyton-Jones <simonpj at microsoft.com>
> Just a heads-up. Pedro is working on implementing "Generic Defaults", as
> described in his Haskell Symposium 2010 paper
> It will replace (and improve on) the "Derivable type classes" stuff in GHC
> at the moment, which was originally presented in a paper of that title that
> Ralf and I wrote in the 2000 Haskell workshop
> The "Derivable type class" extension is barely used, I believe, and isn't
> even documented in the manual.
Isn't it this?:
But anyway, I can't remember seeing any use of it.
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