Hi, I'm trying, without success, to understand the difference between existencial quantification and polymorphic datatypes. Can you give me a hint, or an example where one is valid and the other is not?
Thanks, Maurício _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
