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Re: PDD 2, vtables

David Mitchell
February 7, 2001 09:19
Re: PDD 2, vtables
Message ID:
Nicholas Clark <> mused:
> On Wed, Feb 07, 2001 at 04:03:49PM +0000, David Mitchell wrote:
> > BTW, should the vtable include all the mutator operators too, ie
> > ++, += and so on, on the grounds that an implementation may be able
> > do this more efficiently internally?
> ++ and -- are already slightly messy in perl5
> pp_preinc, pp_postinc, pp_predec and pp_postdec live in with all the ops.
> They know how to increment and decrement integers that don't overflow,
> and call routines in sv.c to increment and decrement anything else.
> Actually, this nearly provides a divide between values and operators
> that has been suggested, with the speed up hack for the common case.

I'm not sure I follow you. What is the "this" in "this nearly provides a

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