Performance of chained methods.

[Simon Taylor]

Paul,

> In fact, it's not only cleaner and more programmer friendly, it's
> also *faster*, especially for long chains.  On my system, the exceptions
> code only uses 8.5 CPU seconds to run the tests below, but the
> checking code requires 11.4 CPU seconds.  (800MHz Duron, Perl 5.6.1)

OK, *that* got my attention.

These results, if they hold true in general usage, suggest a good way to 
wrench more speed out of perl/Tk applications, where the chains can be very 
long indeed....

Are we archiving these messages? This is good stuff!

Regards,

Simon Taylor
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