changeRadioSelect method Null safety

dynamic changeRadioSelect(
  1. List<RadioListGroup> list,
  2. int index
)

Implementation

changeRadioSelect(List<RadioListGroup> list, int index) {
  if (list.length - 1 < index) return;
  list.forEach((e) {
    e.selected = false;
  });
  list[index].selected = true;
}