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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 part of "internal.dart"; | 5 part of dart._internal; |
| 6 | 6 |
| 7 /** | 7 /** |
| 8 * Mixin that throws on the length changing operations of [List]. | 8 * Mixin that throws on the length changing operations of [List]. |
| 9 * | 9 * |
| 10 * Intended to mix-in on top of [ListMixin] for fixed-length lists. | 10 * Intended to mix-in on top of [ListMixin] for fixed-length lists. |
| 11 */ | 11 */ |
| 12 abstract class FixedLengthListMixin<E> { | 12 abstract class FixedLengthListMixin<E> { |
| 13 /** This operation is not supported by a fixed length list. */ | 13 /** This operation is not supported by a fixed length list. */ |
| 14 set length(int newLength) { | 14 set length(int newLength) { |
| 15 throw new UnsupportedError( | 15 throw new UnsupportedError( |
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| 351 * or as returned by [makeListFixedLength]. | 351 * or as returned by [makeListFixedLength]. |
| 352 * | 352 * |
| 353 * The operation is efficient. It doesn't copy the elements, but converts | 353 * The operation is efficient. It doesn't copy the elements, but converts |
| 354 * the existing list directly to a fixed length list. | 354 * the existing list directly to a fixed length list. |
| 355 * That means that it is a destructive conversion. | 355 * That means that it is a destructive conversion. |
| 356 * The original list should not be used afterwards. | 356 * The original list should not be used afterwards. |
| 357 * | 357 * |
| 358 * The unmodifiable list type is similar to the one used by const lists. | 358 * The unmodifiable list type is similar to the one used by const lists. |
| 359 */ | 359 */ |
| 360 external List makeFixedListUnmodifiable(List fixedLengthList); | 360 external List makeFixedListUnmodifiable(List fixedLengthList); |
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