Make Map.keys/values Iterables.

pkg/intl/lib/date_format.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.
 
 part of intl;
 
 /**
  * DateFormat is for formatting and parsing dates in a locale-sensitive
  * manner.
  * It allows the user to choose from a set of standard date time formats as well
@@ skipping 233 matching lines @@
 
   /**
    * Return the locale code in which we operate, e.g. 'en_US' or 'pt'.
    */
   String get locale => _locale;
 
   /**
    * Returns a list of all locales for which we have date formatting
    * information.
    */
-  static List<String> allLocalesWithSymbols() => dateTimeSymbols.keys;
+  static List<String> allLocalesWithSymbols() => dateTimeSymbols.keys.toList();
 
   /**
    * The named constructors for this class are all conveniences for creating
    * instances using one of the known "skeleton" formats, and having code
    * completion support for discovering those formats.
    * So,
    *     new DateFormat.yMd("en_US")
    * is equivalent to
    *     new DateFormat("yMd", "en_US")
    * To create a compound format you can use these constructors in combination
@@ skipping 296 matching lines @@
   List _reverse(List list) {
     // TODO(alanknight): Use standardized list reverse when implemented.
     // See Issue 2804.
     var result = new List();
     for (var i = list.length-1; i >= 0; i--) {
       result.addLast(list[i]);
     }
     return result;
   }
 }