/**
* @inheritdoc
*/
public function minus($amountToSubtract, TemporalUnit $unit)
{
return ChronoLocalDateImpl::ensureValid($this->getChronology(), parent::minus($amountToSubtract, $unit));
}
/**
* Returns a copy of this date-time with the new date and time, checking
* to see if a new object is in fact required.
*
* @param Temporal $newDate the date of the new date-time, not null
* @param LocalTime $newTime the time of the new date-time, not null
* @return ChronoLocalDateTimeImpl the date-time, not null
*/
private function _with(Temporal $newDate, LocalTime $newTime)
{
if ($this->date === $newDate && $this->time === $newTime) {
return $this;
}
// Validate that the new Temporal is a ChronoLocalDate (and not something else)
$cd = ChronoLocalDateImpl::ensureValid($this->date->getChronology(), $newDate);
return new ChronoLocalDateTimeImpl($cd, $newTime);
}
