On 11 Jul 2009, at 13:54, Tony Morris wrote: > Here are a couple of examples > >> (+) <$> Just 7 <*> Just 8 > Just 15 > >> (*) <$> [1, 2, 3] <*> [4, 5, 6] > [4,5,6,8,10,12,12,15,18] Those are for Maybe and [] respectively though, not ((->) a) Bob