On 26 February 2014 03:59, James Laver <james.la...@gmail.com> wrote:
> Ah yes. I’d just woken up.
>
> sub pairwise_sum($a2,$a2) {
> map {shift($_)+shift($_)} (zip @$a1, @$a2);
> }
>
... I think you need that book we're writing more than you need to write it
;)
--
Kent
