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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, 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 /** | 5 /** |
6 * This library lets you define parsers for parsing raw command-line arguments | 6 * This library lets you define parsers for parsing raw command-line arguments |
7 * into a set of options and values using [GNU][] and [POSIX][] style options. | 7 * into a set of options and values using [GNU][] and [POSIX][] style options. |
8 * | 8 * |
9 * ## Defining options ## | 9 * ## Defining options ## |
10 * | 10 * |
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410 /** Gets the parsed command-line option named [name]. */ | 410 /** Gets the parsed command-line option named [name]. */ |
411 operator [](String name) { | 411 operator [](String name) { |
412 if (!_options.containsKey(name)) { | 412 if (!_options.containsKey(name)) { |
413 throw new ArgumentError( | 413 throw new ArgumentError( |
414 'Could not find an option named "$name".'); | 414 'Could not find an option named "$name".'); |
415 } | 415 } |
416 | 416 |
417 return _options[name]; | 417 return _options[name]; |
418 } | 418 } |
419 | 419 |
420 /** Get the names of the options as a [Collection]. */ | 420 /** Get the names of the options as an [Iterable]. */ |
421 Collection<String> get options => _options.keys.toList(growable: false); | 421 Iterable<String> get options => _options.keys; |
422 } | 422 } |
423 | 423 |
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