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sdk/corelib/src/iterator.dart
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dgrove@google.com 031784b703 Initial checkin.
git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@10 260f80e4-7a28-3924-810f-c04153c831b5
2011-10-05 05:03:55 +00:00

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Dart

// Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/**
* The [Iterator] class provides methods to iterate over an object. It
* is transparently used by the for-in construct to test for the end
* of the iteration, and to get the elements.
*/
interface Iterator<E> {
/**
* Gets the next element in the iteration. Throws a
* [NoMoreElementsException] if no element is left.
*/
E next();
/**
* Returns whether the [Iterator] has elements left.
*/
bool hasNext();
}