validate method

  1. @override
String? validate(
  1. F form,
  2. E key,
  3. DateTime value
)
override

Implementation

@override
String? validate(F form, E key, DateTime value) {
  if (value.isBefore(min) || value.isAfter(max)) {
    return loc.dateRangeError(min, max);
  }
  return null;
}