On Sat, Jun 7, 2014 at 10:51 AM, Richard Seldon <arcseldon@gmail.com> wrote:

Hello,

I have a general question, not specific to Haskell although I am learning Haskell as I ask this question..

Please can someone provide consensus on the most important functional methods in their view.

I read somewhere that having map, reduce, filter, mergeAll, and zip pretty much means everything else can be derived.

One of the classic papers that gives a good framing to this question is
the bananas lenses paper:

http://eprints.eemcs.utwente.nl/7281/01/db-utwente-40501F46.pdf