| Index: runtime/lib/collections.dart
 | 
| ===================================================================
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| --- runtime/lib/collections.dart	(revision 3161)
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| +++ runtime/lib/collections.dart	(working copy)
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| @@ -28,6 +28,15 @@
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|      return true;
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|    }
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|  
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| +  static List<Object> map(Iterable<Object> source,
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| +                          List<Object> destination,
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| +                          f(Object o)) {
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| +    for (final e in source) {
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| +      destination.add(f(e));
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| +    }
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| +    return destination;
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| +  }
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| +
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|    static List<Object> filter(Iterable<Object> source,
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|                               List<Object> destination,
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|                               bool f(Object o)) {
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| 
 |