DateContainer constructor Null safety

const DateContainer(
  1. {Key? key,
  2. required TextEditingController yearController,
  3. required TextEditingController monthController,
  4. required TextEditingController dayController,
  5. required String label}
)

Implementation

const DateContainer(
    {Key? key,
    required this.yearController,
    required this.monthController,
    required this.dayController,
    required this.label})
    : super(key: key);