[Haskell-beginners] Haskell wants the type, but I only know the class.

Antoine Latter aslatter at gmail.com
Thu Nov 3 21:33:54 CET 2011

On Thu, Nov 3, 2011 at 2:24 PM, aditya siram <aditya.siram at gmail.com> wrote:
> I think this is the exact use case that the new ConstraintKinds extension
> was meant to address
> (http://hackage.haskell.org/trac/ghc/wiki/Status/Oct11). But we have to wait
> for 7.4.
> -deech

I don't think so - we still need some we to tell GHC which class
instance to select. But maybe I'm mis-understanding how
ConstraintKinds works.


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