On Thu, Dec 3, 2015 at 5:48 AM, Ben Coman <btc@openinworld.com> wrote:

* Points are summable�� " { 2@2 . 3@3 } " --> 5@5.�� But then�� " 2@2 +
1 " --> 3@3�� ,�� so�� " {} sum "�� returning�� 0�� would seem to not
cause any error in this case.

cheers -ben

but points aren't commutative:

2@2 + 1 " = 3@3"

1 + 2@2 " = 3@2"

Of course, 0 wouldn't be an issue, unless you wanted to access x or y!

-cbc��