toBytes method
Implementation
Future<Uint8List> toBytes() {
var completer = Completer<Uint8List>();
var sink = ByteConversionSink.withCallback(
(bytes) => completer.complete(
Uint8List.fromList(bytes),
),
);
listen((val) => sink.add(val),
onError: completer.completeError,
onDone: sink.close,
cancelOnError: true);
return completer.future;
}