You might want to depend on Conal Elliott's vector-space library rather than implement your own vector space class. Then you don't need the associated datatype which might allow simpler datatypes for colours and vectors.
Also Conal's library is quite well used, so it does mean the operator names will be familiar to other programmers. Best wishes Stephen _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
