- Change "static final" to "static const" in the

pkg/args/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 171 matching lines @@
 
 #import('dart:math');
 
 #import('utils.dart');
 
 /**
  * A class for taking a list of raw command line arguments and parsing out
  * options and flags from them.
  */
 class ArgParser {
-  static final _SOLO_OPT = const RegExp(@'^-([a-zA-Z0-9])$');
-  static final _ABBR_OPT = const RegExp(@'^-([a-zA-Z0-9]+)(.*)$');
-  static final _LONG_OPT = const RegExp(@'^--([a-zA-Z\-_0-9]+)(=(.*))?$');
+  static const _SOLO_OPT = const RegExp(@'^-([a-zA-Z0-9])$');
+  static const _ABBR_OPT = const RegExp(@'^-([a-zA-Z0-9]+)(.*)$');
+  static const _LONG_OPT = const RegExp(@'^--([a-zA-Z\-_0-9]+)(=(.*))?$');
 
   final Map<String, _Option> _options;
 
   /**
    * The names of the options, in the order that they were added. This way we
    * can generate usage information in the same order.
    */
   // TODO(rnystrom): Use an ordered map type, if one appears.
   final List<String> _optionNames;
 
@@ skipping 353 matching lines @@
  * defined options. Internally, it works like a tabular printer. The output is
  * divided into three horizontal columns, like so:
  *
  *     -h, --help  Prints the usage information
  *     |  |        |                                 |
  *
  * It builds the usage text up one column at a time and handles padding with
  * spaces and wrapping to the next line to keep the cells correctly lined up.
  */
 class _Usage {
-  static final NUM_COLUMNS = 3; // Abbreviation, long name, help.
+  static const NUM_COLUMNS = 3; // Abbreviation, long name, help.
 
   /** The parser this is generating usage for. */
   final ArgParser args;
 
   /** The working buffer for the generated usage text. */
   StringBuffer buffer;
 
   /**
    * The column that the "cursor" is currently on. If the next call to
    * [write()] is not for this column, it will correctly handle advancing to
@@ skipping 186 matching lines @@
       allowedBuffer.add(allowed);
       if (allowed == option.defaultValue) {
         allowedBuffer.add(' (default)');
       }
       first = false;
     }
     allowedBuffer.add(']');
     return allowedBuffer.toString();
   }
 }