<uncontrolled snipping> On Thu, Dec 3, 2015 at 5:48 AM, Ben Coman <[email protected]> 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
