Use iterator, moveNext(), current.

runtime/lib/growable_array.dart

 // 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.
 
 class _GrowableObjectArray<T> implements List<T> {
   factory _GrowableObjectArray._uninstantiable() {
     throw new UnsupportedError(
         "GrowableObjectArray can only be allocated by the VM");
   }
 
@@ skipping 197 matching lines @@
   }
 
   void sort([Comparator<T> compare = Comparable.compare]) {
     _Sort.sort(this, compare);
   }
 
   String toString() {
     return Collections.collectionToString(this);
   }
 
-  Iterator<T> iterator() {
-    return new SequenceIterator<T>(this);
-  }
+  Iterator<T> get iterator => new SequenceIterator<T>(this);

[Ivan Posva, 2012/11/26 18:20:13]

ditto

[floitsch, 2012/11/28 13:44:34]

Done.

 }