Opposite Applicative (Was: An Alternative Data.List.Zipper)

[roconnor at theorem.ca]

In a not completely unrelated topic, can we have an OpApplicative 
newtype where

f <*> x  is  x <**> f

?

This would be helpful when traversing the reversed part of the Zipper.

-- 
Russell O'Connor                                      <http://r6.ca/>
``All talk about `theft,''' the general counsel of the American Graphophone
Company wrote, ``is the merest claptrap, for there exists no property in
ideas musical, literary or artistic, except as defined by statute.''