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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 library args.usage_exception; | 5 library args.usage_exception; |
6 | 6 |
7 class UsageException implements Exception { | 7 class UsageException implements Exception { |
8 final String message; | 8 final String message; |
9 final String usage; | 9 final String usage; |
10 | 10 |
11 UsageException(this.message, this.usage); | 11 UsageException(this.message, this.usage); |
12 | 12 |
13 String toString() => "$message\n\n$usage"; | 13 String toString() => "$message\n\n$usage"; |
14 } | 14 } |
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