bold method Null safety
Implementation
static Future<void> bold() async {
final List<int> boldOn = [27, 69, 1];
await printRawData(Uint8List.fromList(boldOn));
}
static Future<void> bold() async {
final List<int> boldOn = [27, 69, 1];
await printRawData(Uint8List.fromList(boldOn));
}