// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file | |
// for details. All rights reserved. Use of this source code is governed by a | |
// BSD-style license that can be found in the LICENSE file. | |
import 'dart:io'; | |
import 'package:args/command_runner.dart'; | |
abstract class PrintUsageException implements Command<void> { | |
@override | |
Never usageException(String message) { | |
print(message); | |
printUsage(); | |
exit(1); | |
} | |
} |