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

[Niall Douglas]

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.

Cheers,
Niall




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