On Thu, Oct 2, 2014 at 7:24 AM, Didymus <lynto28 at gmail.com> wrote: > The '|=' operator, I read should be like a = a | b, but this appears to add the two numbers as long as it's more than the previous: Note that: a = a or b and: a = a | b are different operations. It sounds like you're probably looking for the former, not the latter.