Haskell/OCaml style "fst" and "snd" functions can't index arbitrary tuples (they only work on 2-tuples/pairs): http://i.imgur.com/PbhNxmu.png http://i.imgur.com

Haskell/OCaml style "fst" and "snd" functions can't index arbitrary tuples (they only work on 2-tuples/pairs): http://i.imgur.com/PbhNxmu.png http://i.imgur.com/PbhNxmu.png.