optimization question

[Andrew Koenig]

Peter> Professional programmers generally have enough experience and
Peter> ability to understand that extensive unit tests are
Peter> insufficient in and of themselves to allow such refactoring to
Peter> be done safely in all cases.  I didn't get the impression that
Peter> the program in question in this discussion was one such case...

Well, no, it isn't -- because it doesn't exist yet :-)

-- 
Andrew Koenig, ark at research.att.com, http://www.research.att.com/info/ark