- time-period-intersection TIME-PERIOD-1 TIME-PERIOD-2procedure
- time-period-intersection TIME-PERIOD-1 TIME-PERIOD-2procedure
The overlapping time-period of TIME-PERIOD-2 and TIME-PERIOD-1, or #f when no overlap.
The overlapping time-period of TIME-PERIOD-2 and TIME-PERIOD-1, or #f when no overlap.