2008/4/23 Martijn Schrage <[EMAIL PROTECTED]>: > It depends a bit on what you want to use these lists for, but the following > encoding works for your examples and doesn't need the type class. > > data E > data O > > type Even = (E,O) > type Odd = (O,E)
That's a nice little trick! I like how you achieve type signatures relating two distinct types just by sticking them in a tuple. :) David _______________________________________________ Haskell-Cafe mailing list Haskell-Cafe@haskell.org http://www.haskell.org/mailman/listinfo/haskell-cafe
