Re: [boost] Re: Re: Quick Question...

From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-04-24 05:00:39

From: "Paul Mensonides" <pmenso57_at_[hidden]>
> From: "David Abrahams" <david.abrahams_at_[hidden]>
>
> > As far as I'm concerned, Paul is the inventor. I may have made some
> > tweaks to get it into boost, but that's all.
> >
> > -Dave
>
> No, I just used 'template deduction failure' to eliminate an overload from
the
> candidate set when I was implementing 'is_enum'--based on the fact that an
> enumeration cannot the the 'class' types in a pointer to member signature
and
> eliminating everything else that also can't be there.  I think it might
have
> been Peter Dimov that first use the same type of mechanism to determine if
a
> nested type exists or not.  But I may be wrong, I can't remember.  From
there,
> several other usages came out of it such as 'is_class'.

Paul's original 'is_enum' post:

http://groups.google.com/groups?selm=000001c1cc83%24e154d5e0%247772e50c%40c1
61550a

I point out that it contains an 'is_class':

http://groups.google.com/groups?selm=7dc3b1ea.0203160932.2757e843%40posting.
google.com

Rani Sharoni answers the "reiterated question:"

http://groups.google.com/groups?selm=df893da6.0203170237.3760f3c4%40posting.
google.com