Index: pkg/dev_compiler/tool/input_sdk/lib/collection/iterator.dart |
diff --git a/pkg/dev_compiler/tool/input_sdk/lib/collection/iterator.dart b/pkg/dev_compiler/tool/input_sdk/lib/collection/iterator.dart |
deleted file mode 100644 |
index f8707113a771a892b550173eec20ff8b97344ccf..0000000000000000000000000000000000000000 |
--- a/pkg/dev_compiler/tool/input_sdk/lib/collection/iterator.dart |
+++ /dev/null |
@@ -1,45 +0,0 @@ |
-// Copyright (c) 2012, 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. |
- |
-part of dart.collection; |
- |
-/** |
- * The [HasNextIterator] class wraps an [Iterator] and provides methods to |
- * iterate over an object using `hasNext` and `next`. |
- * |
- * An [HasNextIterator] does not implement the [Iterator] interface. |
- */ |
-class HasNextIterator<E> { |
- static const int _HAS_NEXT_AND_NEXT_IN_CURRENT = 0; |
- static const int _NO_NEXT = 1; |
- static const int _NOT_MOVED_YET = 2; |
- |
- Iterator<E> _iterator; |
- int _state = _NOT_MOVED_YET; |
- |
- HasNextIterator(this._iterator); |
- |
- bool get hasNext { |
- if (_state == _NOT_MOVED_YET) _move(); |
- return _state == _HAS_NEXT_AND_NEXT_IN_CURRENT; |
- } |
- |
- E next() { |
- // Call to hasNext is necessary to make sure we are positioned at the first |
- // element when we start iterating. |
- if (!hasNext) throw new StateError("No more elements"); |
- assert(_state == _HAS_NEXT_AND_NEXT_IN_CURRENT); |
- E result = _iterator.current; |
- _move(); |
- return result; |
- } |
- |
- void _move() { |
- if (_iterator.moveNext()) { |
- _state = _HAS_NEXT_AND_NEXT_IN_CURRENT; |
- } else { |
- _state = _NO_NEXT; |
- } |
- } |
-} |