On Thu, Dec 8, 2011 at 8:12 AM, Christoph Breitkopf < [email protected]> wrote:
> Hello, > > I'm in the process of implementing a container data type, and wonder what > class instances are generally considered necessary. E.g. is it ok to start > out with a Show that's adequate for debugging, or is it a 'must' to include > instances of everything possible (Eq, Ord if possible, Read, Show, Functor, > ...). > Start out with Show and spend your time making sure that you're container type performs well (unless you're doing this as an exercise of course). A featureful API for something that's as slow as linked lists isn't very useful. ;) -- Johan
_______________________________________________ Haskell-Cafe mailing list [email protected] http://www.haskell.org/mailman/listinfo/haskell-cafe
