Move DualPivotQuicksort from coreimpl to core as _Sort.

lib/core/sort.dart

Index: lib/core/sort.dart
diff --git a/lib/coreimpl/dual_pivot_quicksort.dart b/lib/core/sort.dart
similarity index 98%
rename from lib/coreimpl/dual_pivot_quicksort.dart
rename to lib/core/sort.dart
index c74e90fc000b2560bcf605660b32d41164f72bd0..0617d54d27b9adc3c3e56e38abaf412903935ad9 100644
--- a/lib/coreimpl/dual_pivot_quicksort.dart
+++ b/lib/core/sort.dart
@@ -2,6 +2,9 @@
 // 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.
 
+// TODO(ajohnsen): Remove once coreimpl is eliminated.
+void coreSort(List l, int compare(a, b)) => _Sort.sort(l, compare);

[floitsch, 2012/10/23 17:25:29]

Add a dartdoc explaining that this method will go away soon and is not intended
for public use.

[Anders Johnsen, 2012/10/23 17:33:00]

Done.

+
 /**
  * Dual-Pivot Quicksort algorithm.
  *
@@ -10,7 +13,7 @@
  *
  * Some improvements have been copied from Android's implementation.
  */
-class DualPivotQuicksort {
+class _Sort {
   // When a list has less then [:_INSERTION_SORT_THRESHOLD:] elements it will
   // be sorted by an insertion sort.
   static const int _INSERTION_SORT_THRESHOLD = 32;