From: root
NOTE: This callback must always return a time that is later than the
-passed now
value. Not even now
itself will do, it must be larger.
now
value. Not even now
itself will do, it must be larger.
This can be used to create very complex timers, such as a timer that
triggers on each midnight, local time. To do this, you would calculate the
-next midnight after now
and return the timestamp value for this. How you do this
-is, again, up to you (but it is not trivial).
now
and return the timestamp value for this. How
+you do this is, again, up to you (but it is not trivial, which is the main
+reason I omitted it as an example).