ceil static method
Rounds the DateTime to the closest future TimeUnitDuration
Implementation
static DateTime ceil(DateTime dateTime, TimeUnit tu) =>
Jiffy.parseFromDateTime(Jiffy.parseFromDateTime(dateTime)
.startOf(tu.asUnit())
.dateTime
.isBefore(dateTime)
? add(dateTime, TimeUnitDuration(1, tu))
: dateTime)
.startOf(tu.asUnit())
.dateTime;