[C++-sig] Re: Pyste suggestion: handling void * arguments

Niall Douglas s_sourceforge at nedprod.com
Sun Nov 2 02:55:22 CET 2003

On 1 Nov 2003 at 14:16, David Abrahams wrote:

> >> There is absolutely no undefined behavior in is_polymorphic
> >
> > Where in the C++ standard does it state that a class with a virtual
> > function table shall be bigger than one without?
> >
> > While the chances are that the above will remain true, it can't be
> > guaranteed and thus is strictly speaking undefined behaviour.
> No, it's unspecified behavior.  Big difference.  Check your standard.

Ach! My apologies to the list for misleading ye on both this and the 
"faster compilers" advice which were actually slower compilers.


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