/usr/lib/swipl/library/ext/clib/time.pl
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 alarm_at(+Time, :Callable, -Id) is det
 alarm_at(+Time, :Callable, -Id, +Options) is det
As alarm/3 and alarm/4, but schedule the alarm at an absolute point in time.
See also
- date_time_stamp/2.
ClioPatria (version V3.1.1-59-g7b9a7a3)