printError function Null safety
Prints the appName
, path
and error message
to stderr.
Implementation
Future<int> printError(String message,
{String appName = '', String path = ''}) async {
if (appName.isNotEmpty) {
stderr.write('$appName: ');
}
if (path.isNotEmpty) {
stderr.write('$path: ');
}
stderr.writeln(message);
return exitFailure;
}