lastWhereIndexedOrNull method

*<Null safety>*

T? lastWhereIndexedOrNull (bool test(int index, T element))

Implementation

T? lastWhereIndexedOrNull(bool Function(int index, T element) test) {
  T? result;
  var index = 0;
  for (var element in this) {
    if (test(index++, element)) result = element;
  }
  return result;
}