bak@google.com
d3b5cfba18
- Changes interfaces without default implmenetations to abstract class. - Changed final fields in interfaces to getters. - Changed dart_analyzer to allow methods with empty bodies in abstract class. - Updated the co19 status file since two tests now are passing. Review URL: https://chromiumcodereview.appspot.com//10917187 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@12201 260f80e4-7a28-3924-810f-c04153c831b5
22 lines
660 B
Dart
22 lines
660 B
Dart
// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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/**
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* The [Iterator] class provides methods to iterate over an object. It
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* is transparently used by the for-in construct to test for the end
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* of the iteration, and to get the elements.
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*/
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abstract class Iterator<E> {
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/**
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* Gets the next element in the iteration. Throws a
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* [NoMoreElementsException] if no element is left.
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*/
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E next();
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/**
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* Returns whether the [Iterator] has elements left.
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*/
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bool hasNext();
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}
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