enum_with_generics.dart

enum Sample<T> {
  hoge<int>(value: 0),
  fuga<String>(value: 'I\'m fuga'),
  withNull<int?>(value: null),
  ;
  
  const Sample({required this.value});
  
  final T value;
}

void main() {
  print(Sample.hoge.value);
  print(Sample.fuga.value);
  print(Sample.withNull.value);
}