Make getKeys, getValues getters (keys, values).

pkg/args/lib/args.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 library lets you define parsers for parsing raw command-line arguments
  * into a set of options and values using [GNU][] and [POSIX][] style options.
  *
  * ## Defining options ##
  *
@@ skipping 478 matching lines @@
     }
 
     return true;
   }
 
   /**
    * Finds the option whose abbreviation is [abbr], or `null` if no option has
    * that abbreviation.
    */
   _Option _findByAbbr(String abbr) {
-    for (var option in _options.getValues()) {
+    for (var option in _options.values) {
       if (option.abbreviation == abbr) return option;
     }
 
     return null;
   }
 
   /**
    * Get the default value for an option. Useful after parsing to test
    * if the user specified something other than the default.
    */
@@ skipping 27 matching lines @@
   operator [](String name) {
     if (!_options.containsKey(name)) {
       throw new ArgumentError(
           'Could not find an option named "$name".');
     }
 
     return _options[name];
   }
 
   /** Get the names of the options as a [Collection]. */
-  Collection<String> get options => _options.getKeys();
+  Collection<String> get options => _options.keys;
 }
 
 class _Option {
   final String name;
   final String abbreviation;
   final List allowed;
   final defaultValue;
   final Function callback;
   final String help;
   final Map<String, String> allowedHelp;
@@ skipping 65 matching lines @@
     calculateColumnWidths();
 
     for (var name in args._optionNames) {
       var option = args._options[name];
       write(0, getAbbreviation(option));
       write(1, getLongOption(option));
 
       if (option.help != null) write(2, option.help);
 
       if (option.allowedHelp != null) {
-        var allowedNames = option.allowedHelp.getKeys();
+        var allowedNames = option.allowedHelp.keys;
         allowedNames.sort((a, b) => a.compareTo(b));
         newline();
         for (var name in allowedNames) {
           write(1, getAllowedTitle(name));
           write(2, option.allowedHelp[name]);
         }
         newline();
       } else if (option.allowed != null) {
         write(2, buildAllowedList(option));
       } else if (option.defaultValue != null) {
@@ skipping 41 matching lines @@
       var option = args._options[name];
 
       // Make room in the first column if there are abbreviations.
       abbr = max(abbr, getAbbreviation(option).length);
 
       // Make room for the option.
       title = max(title, getLongOption(option).length);
 
       // Make room for the allowed help.
       if (option.allowedHelp != null) {
-        for (var allowed in option.allowedHelp.getKeys()) {
+        for (var allowed in option.allowedHelp.keys) {
           title = max(title, getAllowedTitle(allowed).length);
         }
       }
     }
 
     // Leave a gutter between the columns.
     title += 4;
     columnWidths = [abbr, title];
   }
 
@@ skipping 70 matching lines @@
       allowedBuffer.add(allowed);
       if (allowed == option.defaultValue) {
         allowedBuffer.add(' (default)');
       }
       first = false;
     }
     allowedBuffer.add(']');
     return allowedBuffer.toString();
   }
 }