Reorganize mdv and observe packages

pkg/observe/lib/src/observable_map.dart

 // Copyright (c) 2013, 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 mdv_observe;
+part of observe;
 
 // TODO(jmesserly): this needs to be faster. We currently require multiple
 // lookups per key to get the old value.
 // TODO(jmesserly): this doesn't implement the precise interfaces like
 // LinkedHashMap, SplayTreeMap or HashMap. However it can use them for the
 // backing store.
 
 // TODO(jmesserly): should we summarize map changes like we do for list changes?
 class MapChangeRecord extends ChangeRecord {
   /** The map key that changed. */
@@ skipping 45 matching lines @@
    * Creates an observable map that contains all key value pairs of [other].
    * It will attempt to use the same backing map type if the other map is a
    * [LinkedHashMap], [SplayTreeMap], or [HashMap]. Otherwise it defaults to
    * [HashMap].
    *
    * Note this will perform a shallow conversion. If you want a deep conversion
    * you should use [toObservable].
    */
   factory ObservableMap.from(Map<K, V> other) {
     var result = new ObservableMap<K, V>._createFromType(other);
-    other.forEach((K key, V value) { result[key] = value; });
+    other.forEach((key, value) { result[key] = value; });

[justinfagnani, 2013/06/25 23:03:31]

Map has addAll() now:
http://api.dartlang.org/docs/releases/latest/dart_core/Map.html#addAll

[Jennifer Messerly, 2013/06/26 23:09:12]

filed a bug: https://code.google.com/p/dart/issues/detail?id=11539

     return result;
   }
 
   factory ObservableMap._createFromType(Map<K, V> other) {
     ObservableMap result;
     if (other is SplayTreeMap) {
       result = new ObservableMap<K, V>.sorted();
     } else if (other is LinkedHashMap) {
       result = new ObservableMap<K, V>.linked();
     } else {
@@ skipping 60 matching lines @@
       });
       notifyPropertyChange(_LENGTH, len, 0);
     }
     _map.clear();
   }
 
   void forEach(void f(K key, V value)) => _map.forEach(f);
 
   String toString() => Maps.mapToString(this);
 }