Make Map.keys/values Iterables.

pkg/serialization/lib/src/serialization_helpers.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.
 
 /**
  * This contains extra functions and classes useful for implementing
  * serialiation. Some or all of these will be removed once the functionality is
  * available in the core library.
  */
 library serialization_helpers;
@@ skipping 11 matching lines @@
   if (a == null) {
     return (b == null) ? [] : new List.from(b);
   }
   if (b == null) return new List.from(a);
   var result = new List.from(a);
   result.addAll(b);
   return result;
 }
 
 /**
- * Return a sorted version of [aCollection], using the default sort criterion.
- * Always returns a List, regardless of the type of [aCollection].
+ * Return a sorted version of [anIterable], using the default sort criterion.
+ * Always returns a List, regardless of the type of [anIterable].
  */
-List sorted(aCollection) {
-  var result = new List.from(aCollection);
+List sorted(anIterable) {
+  var result = new List.from(anIterable);
   result.sort();
   return result;
 }
 
 /** Helper function for PrimitiveRule to tell which objects it applies to. */
 bool isPrimitive(object) {
   return identical(object, null) || object is num || object is String ||
       identical(object, true) || identical(object, false);
 }
 
@@ skipping 198 matching lines @@
   int get length => keys.length;
   void clear() {
     keys.clear();
     values.clear();
   }
   bool get isEmpty => keys.isEmpty;
 
   // Note that this is doing an equality comparison.
   bool containsValue(x) => values.contains(x);
 }