public function range(ChronoField $field)
{
switch ($field) {
case CF::PROLEPTIC_MONTH():
$range = CF::PROLEPTIC_MONTH()->range();
return ValueRange::of($range->getMinimum() + self::YEARS_DIFFERENCE * 12, $range->getMaximum() + self::YEARS_DIFFERENCE * 12);
case CF::YEAR_OF_ERA():
$range = CF::YEAR()->range();
return ValueRange::ofVariable(1, -($range->getMinimum() + self::YEARS_DIFFERENCE) + 1, $range->getMaximum() + self::YEARS_DIFFERENCE);
case CF::YEAR():
$range = CF::YEAR()->range();
return ValueRange::of($range->getMinimum() + self::YEARS_DIFFERENCE, $range->getMaximum() + self::YEARS_DIFFERENCE);
}
return $field->range();
}
public function range(CF $field)
{
return $field->range();
}
