ChipEmoji constructor Null safety

const ChipEmoji(
  1. {Key? key,
  2. required String emoji,
  3. ValueChanged<bool>? onSelected,
  4. required bool selected}
)

Implementation

const ChipEmoji({
  Key? key,
  required this.emoji,
  this.onSelected,
  required this.selected,
}) : super(key: key);