Allow Object when doing lookups.

sdk/lib/collection/hash_set.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 dart.collection;
 
 /** Common parts of [HashSet] and [LinkedHashSet] implementations. */
 abstract class _HashSetBase<E> extends IterableBase<E> implements Set<E> {
   // Set.
-  bool containsAll(Iterable<E> other) {
-    for (E object in other) {
+  bool containsAll(Iterable<Object> other) {
+    for (Object object in other) {
       if (!this.contains(object)) return false;
     }
     return true;
   }
 
   /** Create a new Set of the same type as this. */
   Set _newSet();
 
   Set<E> intersection(Set<E> other) {
     Set<E> result = _newSet();
@@ skipping 50 matching lines @@
 
   external bool contains(Object object);
 
   // Collection.
   external void add(E element);
 
   external void addAll(Iterable<E> objects);
 
   external bool remove(Object object);
 
   external void removeAll(Iterable objectsToRemove);

[Lasse Reichstein Nielsen, 2013/04/30 07:42:27]

Iterable<Object>?

[floitsch, 2013/06/17 18:25:34]

Done.

 
   external void removeWhere(bool test(E element));
 
   external void retainWhere(bool test(E element));
 
   external void clear();
 
   // Set.
   Set<E> _newSet() => new HashSet<E>();
 }