If we assume that you drink beer:

    let drink beer = True

Then we can conclude that it doesn’t matter which hand you drink with:

    all drink (Left Handed) == all drink (Right Handed) == True


On Sat, Apr 1, 2017 at 4:08 AM, Andreas Abel <abela@chalmers.se> wrote:
GHCi, version 7.10.3: http://www.haskell.org/ghc/  :? for help
Prelude> data Handed = Handed
Prelude> let drink beer = beer
Prelude> all drink (Left Handed)
True

--
Andreas Abel  <><      Du bist der geliebte Mensch.

Department of Computer Science and Engineering
Chalmers and Gothenburg University, Sweden

andreas.abel@gu.se
http://www.cse.chalmers.se/~abela/
_______________________________________________
Libraries mailing list
Libraries@haskell.org
http://mail.haskell.org/cgi-bin/mailman/listinfo/libraries