removeTrailingZeros method

Implementation

void removeTrailingZeros(List<int> list) {
  bool zero = list[list.length - 1] == 0 ||
      list[list.length - 2] == 0 ||
      list[list.length - 3] == 0;
  while (zero) {
    list.removeLast();
    if (list.length > 60) {
      zero = list[list.length - 1] == 0 ||
          list[list.length - 2] == 0 ||
          list[list.length - 3] == 0;
    } else {
      break;
    }
  }
}