John Ky wrote: > Having created a new class is it possible to do some magic so that it > can be put it into a deriving clause? http://hackage.haskell.org/cgi-bin/hackage-scripts/package/derive -- Dr. Janis Voigtlaender http://wwwtcs.inf.tu-dresden.de/~voigt/ mailto:voigt at tcs.inf.tu-dresden.de