nathanw@wasabisystems.com ("Nathan J. Williams") writes:

>Problematic because it prevents useful optimization; the values will
>be re-fectched from memory more than necessary.

If that's a problem I suggest to make the optimization explicit
and cache the values in another (non-volatile) variable.

-- 
-- 
                                Michael van Elst
Internet: mlelstv@serpens.de
                                "A potential Snark may lurk in every tree."