[Twisted-Python] questions about twisted usage

[Uri Okrent]

On Thu, Mar 22, 2012 at 3:04 PM, Tim Allen <screwtape at froup.com> wrote:
> So the only possible results are 0 and 3, because the 'synchronisation
> points' are at the edges of callbacks.

Ok, awesome.  That's the bit that I couldn't quite understand.  Thanks!
-- 
  Uri

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