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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 * The [Collection] interface is the public interface of all | 6 * The [Collection] interface is the public interface of all |
| 7 * collections. | 7 * collections. |
| 8 */ | 8 */ |
| 9 interface Collection<E> extends Iterable<E> { | 9 interface Collection<E> extends Iterable<E> { |
| 10 /** | 10 /** |
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| 57 bool some(bool f(E element)); | 57 bool some(bool f(E element)); |
| 58 | 58 |
| 59 /** | 59 /** |
| 60 * Returns true if there is no element in this collection. | 60 * Returns true if there is no element in this collection. |
| 61 */ | 61 */ |
| 62 bool isEmpty(); | 62 bool isEmpty(); |
| 63 | 63 |
| 64 /** | 64 /** |
| 65 * Returns the number of elements in this collection. | 65 * Returns the number of elements in this collection. |
| 66 */ | 66 */ |
| 67 int get length(); | 67 int get length; |
| 68 } | 68 } |
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