[Haskell-cafe] how would this be done? type classes? existential types?

[Matthias Fischmann]

Alexandra Silva <xana at di.uminho.pt> wrote:
> http://homepages.cwi.nl/~ralf/HList/

this looks like it might address my problems with Read / Eq
instantiation?  will read.

thanks again to everybody.



m.
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