On Sat, May 1, 2010 at 7:11 PM, Sean Leather <leat...@cs.uu.nl> wrote:
> I want to generalize a set of functions from lists to some functor type. I > require the following three operation types. > > f a > a -> f a > f a -> f a -> f a > Since f is a functor, FunctorPlus and Pointed together get you exactly the subset of functionality that you want. Whether or not category-extras can be considered a light weight dependency on the other hand is another thing entirely. ;) -Edward Kmett
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