On Tue, Dec 04, 2012 at 07:52:27PM -0600, Joe Hershberger wrote:
>
> When a variable with a registered callback is inserted, deleted, or
> overwritten the callback is called and gives the system an opportunity
> to do something in response to the change. It also has the opportunuty
> to reject th
When a variable with a registered callback is inserted, deleted, or
overwritten the callback is called and gives the system an opportunity
to do something in response to the change. It also has the opportunuty
to reject the change by returning non-zero.
The flags on variables can control their t
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