+2010-04-09 Raja R Harinath <harinath@hurrynot.org>
+
+ Don't maintain state in the view
+ * SortedSet.cs (SortedSubSet.count): Remove.
+ (SortedSubSet..ctor): Move counting loop ...
+ (SortedSubSet.Count): ... here.
+ (SortedSubSet.TryAdd, SortedSubSet.TryRemove): Update to changes.
+ (SortedSubSet.GetMin, SortedSubSet.GetMax): Likewise. Use bounds
+ to determine if the view is empty, rather than the count.
+
+2010-04-07 Raja R Harinath <harinath@hurrynot.org>
+
+ Enable set comparision operations on views, and improve performance
+ * RBTree.cs (Bound): New. Returns the greatest lower bound and
+ least upper bound of the given key.
+ (GetSuffixEnumerator): New. Returns an enumerator that starts at
+ the given key.
+ (NodeEnumerator): Provide suffix enumerator functionality.
+ * SortedSet.cs (GetEnumerator): Delegate to ...
+ (TryGetEnumerator): ... this. New virtual function.
+ (Enumerator): Provide subset enumeration using RBTree's suffix enumerators.
+ (SortedSubSet.count): New.
+ (SortedSubSet.GetCount): Use it.
+ (SortedSubSet.TryAdd, SortedSubSet.TryRemove): Update count.
+ (SortedSubSet.GetMin, SortedSubSet.GetMax): Use RBTree.Bound().
+ (SortedSubSet.GetEnumerator): Remove.
+ (SortedSubSet.TryGetEnumerator): New. Use ranged enumerators.
+
+2010-04-06 Jb Evain <jbevain@novell.com>
+
+ * SortedSet.cs: implement Count for SortedSubSet.
+
+2010-04-05 Raja R Harinath <harinath@hurrynot.org>
+
+ * SortedSet.cs (IsProperSubsetOf, IsSubsetOf): Implement using ...
+ (is_subset_of): ... new helper.
+ (IsProperSupersetOf, IsSupersetOf): Implement using ...
+ (is_superset_of): ... new helper.
+ (covers, nodups, overlaps): New helpers.
+ (SetEquals): Implement.
+ (Overlaps): Implement using overlaps().
+ (SymmetricExceptWith): Use nodups() helper.
+
+2010-04-04 Raja R Harinath <harinath@hurrynot.org>
+
+ * SortedSet.cs (CheckArgumentNotNull): New helper.
+ (IntersectWith, UnionWith): Implement.
+ (ExceptWith, SymmetricExceptWith): Likewise.
+ (SortedSubSet.IntersectWith): Implement override.
+
+ * RBTree.cs (do_remove): Ensure the node returned is suitable for
+ re-insertion.
+
+2010-04-02 Jb Evain <jbevain@novell.com>
+
+ * SortedSet.cs: implement Mix and Max for subsets.
+
+2010-04-02 Jb Evain <jbevain@novell.com>
+
+ * SortedSet.cs: implement GetViewBetween.
+
+2010-04-02 Jb Evain <jbevain@novell.com>
+
+ * SortedSet.cs: optimize Reverse. Add a virtual TryAdd and TryRemove
+ to override in sub trees.
+
+2010-04-02 Jb Evain <jbevain@novell.com>
+
+ * SortedSet.cs: implement Min and Max.
+
+2010-04-02 Jb Evain <jbevain@novell.com>
+
+ * SortedSet.cs: implement RemoveWhere.
+
+2010-04-02 Jb Evain <jbevain@novell.com>
+
+ * SortedSet.cs: implement Reverse.
+
2010-04-01 Jb Evain <jbevain@novell.com>
* SortedSet.cs: fix API.