On Wed, Sep 2, 2009 at 11:00 AM, zaxis<z_a...@163.com> wrote: > > seems a bit understanding, i still need to think it for a while > thanks!
I think I've understood the existential types thing, but I still can't put them to work when I think to a solution for a particular problem, i.e. it's not among my programming tools yet. Thank you Eugene, that was one of the most enlighting examples I say about existential types. Cristiano _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe