Duncan Booth <[EMAIL PROTECTED]> writes: > I that's the point though: you can't write one implementation that has good > performance for all patterns of use
An implementation of sorted dict using a balanced tree as the underlying data structure would give decent performance in all the mentioned use cases. For example, red-black trees search, insert, and delete in O(log n) time. -- http://mail.python.org/mailman/listinfo/python-list