When nerves_time has a need to retry RTCs to get the time,
:unavailable will be useful. Now, the only thing that nerves_time can
handle is unset or something semantically equivalent. I.e., if this is
returned, then a call will be made to set the clock.
When
nerves_timehas a need to retry RTCs to get the time,:unavailablewill be useful. Now, the only thing thatnerves_timecan handle is unset or something semantically equivalent. I.e., if this is returned, then a call will be made to set the clock.