On Fri, 8 Apr 2005, Bo Herlin wrote: (snip) > Is it possible to make this work?
This is an extension beyond the 1998 standard, but http://haskell.org/hawiki/ExistentialTypes may be interesting to you. -- Mark _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe