On 12-08-2015, at 11:58 AM, Eliot Miranda <eliot.miranda at gmail.com> wrote:
> I think I did exchange of contents when the objects are of the same size, at your prompting, but I definitely know I /didn't/ do shortening in one-way as per Levente's suggestion.

D’oh! It’s such an obvious optimisation. And to really make it funny, I’m fairly sure you originally suggested it to *me* a gazillion years ago.

tim
--
tim Rowledge; tim at rowledge.org; http://www.rowledge.org/tim
Liability: a valuable political skill