[rabbitmq-discuss] Are there any unused delivery tag values?

David Wragg david at rabbitmq.com
Tue Jul 26 16:48:38 BST 2011

Hi Lowell,

<Lowell.Boggs at emc.com> writes:
> Delivery tags are uint64_t data.
> Is zero a valid delivery tag?  Is (uint64_t)(-1)?
> I'm interested in knowing whether I need to keep extra bools laying
> around to keep track of the "has been auto-acked" or not flag.

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