[boost] Re: Review of Daryle Walker's "More IO" library beginstoday, August 21, 2004.

From: Jonathan Turkanis (technews_at_[hidden])
Date: 2004-08-29 22:34:14

"Daryle Walker" <darylew_at_[hidden]> wrote in message
news:BD58038C.E8DE%darylew_at_hotmail.com...
> On 8/28/04 4:25 AM, "Pavel Vozenilek" <pavel_vozenilek_at_[hidden]> wrote:
>
> > "Jonathan Turkanis" wrote:
> [SNIP]
> >> I've attached a version of base_from_member.hpp with configurable maximum
> >> arity, defaulting to 10. If you need higher arity, you #define
> >> BOOST_BASE_FROM_MEMBER_MAX_ARITY to an appropriate value before including
the
> >> header.
> >>
> >> The same technique will work for streambuf wrapping.
> >>
> > It may be better to use local iteration technique.
> > Some preprocessors (e.g. BCB) have quite low limit
> > on length of expanded macro (BCB has some 1-2kB).
> >
> > Local iteration is also faster on EDG based frontends.
>
> Do you have an example of this alternate technique?  (Or at least what I
> should look up.)

Hi Daryle,

    I believe the attached file does what Pavel has in mind. Let someone else
check it, though, since I'm not preprocessor expert.

Jonathan

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`
end