What do you mean by need? From a theoretical or practical perspective? We don't need them from a theoretical perspective, but in practice I'd rather use existentials than encodinging them in some tricky way.
On Wed, Oct 15, 2008 at 11:05 AM, <[EMAIL PROTECTED]> wrote: > The web page > begs a question if there is ever any real need for existentials. > _______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
