fromIndex method Null safety

DevModeScanMode fromIndex(
  1. int? index
)

Implementation

static DevModeScanMode fromIndex(final int? index) {
  if (index == null) {
    return defaultScanMode;
  }
  for (final DevModeScanMode scanMode in DevModeScanMode.values) {
    if (scanMode.index == index) {
      return scanMode;
    }
  }
  throw Exception('Unknown index $index');
}