There is no gap in time if you put the new watch into the call that gives
you the current version of the data.  That is the point of having the watch
argument in all of the get* calls!

On Fri, May 8, 2009 at 1:43 PM, Scott Carey <> wrote:

> This type of watch would stick around, and doesn't have the gap-in-time
> problem that the other watchers do.  This is particularly useful for exists
> and children -- less so for data.

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