Make getKeys, getValues getters (keys, values).

lib/coreimpl/hash_map_set.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.
 
 // Hash map implementation with open addressing and quadratic probing.
 class HashMapImplementation<K, V> implements HashMap<K, V> {
 
   // The [_keys] list contains the keys inserted in the map.
   // The [_keys] list must be a raw list because it
   // will contain both elements of type K, and the [_DELETED_KEY] of type
@@ skipping 220 matching lines @@
     int length = _keys.length;
     for (int i = 0; i < length; i++) {
       var key = _keys[i];
       if ((key !== null) && (key !== _DELETED_KEY)) {
         f(key, _values[i]);
       }
     }
   }
 
 
-  Collection<K> getKeys() {
+  Collection<K> get keys {
     List<K> list = new List<K>(length);
     int i = 0;
     forEach(void _(K key, V value) {
       list[i++] = key;
     });
     return list;
   }
 
-  Collection<V> getValues() {
+  Collection<V> get values {
     List<V> list = new List<V>(length);
     int i = 0;
     forEach(void _(K key, V value) {
       list[i++] = value;
     });
     return list;
   }
 
   bool containsKey(K key) {
     return (_probeForLookup(key) != -1);
@@ skipping 98 matching lines @@
 
   Set<E> filter(bool f(E element)) {
     Set<E> result = new Set<E>();
     _backingMap.forEach(void _(E key, E value) {
       if (f(key)) result.add(key);
     });
     return result;
   }
 
   bool every(bool f(E element)) {
-    Collection<E> keys = _backingMap.getKeys();
+    Collection<E> keys = _backingMap.keys;
     return keys.every(f);
   }
 
   bool some(bool f(E element)) {
-    Collection<E> keys = _backingMap.getKeys();
+    Collection<E> keys = _backingMap.keys;
     return keys.some(f);
   }
 
   bool get isEmpty {
     return _backingMap.isEmpty;
   }
 
   int get length {
     return _backingMap.length;
   }
@@ skipping 62 matching lines @@
 
 /**
  * A singleton sentinel used to represent when a key is deleted from the map.
  * We can't use [: const Object() :] as a sentinel because it would end up
  * canonicalized and then we cannot distinguish the deleted key from the
  * canonicalized [: Object() :].
  */
 class _DeletedKeySentinel {
   const _DeletedKeySentinel();
 }