Form constructor Null safety

const Form(
  1. {Key? key,
  2. required Widget child,
  3. Callback? onChanged,
  4. AutovalidateMode? autovalidateMode}
)

Implementation

const factory Form(
    {final Key? key,
    required final Widget child,
    final Callback? onChanged,
    final AutovalidateMode? autovalidateMode}) = _$Form;