Make IllegalArgumentException more forgiving about its arguments.

corelib/src/exceptions.dart

Index: corelib/src/exceptions.dart
===================================================================
--- corelib/src/exceptions.dart	(revision 3850)
+++ corelib/src/exceptions.dart	(working copy)
@@ -1,4 +1,4 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
+// 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.
 
@@ -71,9 +71,9 @@
 
 
 class IllegalArgumentException implements Exception {
-  const IllegalArgumentException([args = ""]) : _args = args;
-  String toString() => "Illegal argument(s): $_args";
-  final String _args;
+  const IllegalArgumentException([arg = ""]) : _arg = arg;
+  String toString() => "Illegal argument(s): $_arg";
+  final _arg;

[siva, 2012/02/02 19:55:24]

What is our normal style in library code, if we don't want to specify a type do
we use 'var'
e.g:
final var _arg;

[turnidge, 2012/02/13 21:13:58]

I recall that it didn't let me use "var" here, but perhaps I'm remembering
incorrectly.

On 2012/02/02 19:55:24, asiva wrote:

 }