Make argument of List.sort optional with default Comparable.compare.

tests/corelib/list_sort_test.dart

Index: tests/corelib/list_sort_test.dart
diff --git a/tests/corelib/list_sort_test.dart b/tests/corelib/list_sort_test.dart
index 48e0b0cecc04cf37b390c46cc89307daf02b9f85..cc8cd03eb5b015d04dcae7e355ac112e343b68ab 100644
--- a/tests/corelib/list_sort_test.dart
+++ b/tests/corelib/list_sort_test.dart
@@ -7,10 +7,12 @@
 
 class ListSortTest {
   static void testMain() {
-    var compare = (a, b) => a.compareTo(b);
+    var compare = Comparable.compare;
     var sort = (list) => list.sort(compare);
     new SortHelper(sort, compare).run();
 
+    new SortHelper((list)=>list.sort(), compare).run();

[ngeoffray, 2012/10/15 14:17:12]

spaces around the '=>'

[Lasse Reichstein Nielsen, 2012/10/17 07:37:28]

Done.

+
     compare = (a, b) => -a.compareTo(b);
     new SortHelper(sort, compare).run();
   }