TreeKey
typedef TreeKey Value;
if (!iterator->SetTo(this, TreeKey(), true)) {
if (!iterator->SetTo(this, TreeKey(key, length))) {
typedef TreeKey Key;
TreeKey*
return (TreeKey*)
TreeKey*
return (TreeKey*) (base + offset);
TreeKey* offsetKey = NULL;
TreeKey* offsetKey = NULL;
TreeKey* GetKeyFromNode(int pos, void* buffer);
TreeKey* GetKeyFromRoot(int pos);