Re: [boost] typeof() substitute.

From: Paul Mensonides (pmenso57_at_[hidden])
Date: 2002-10-30 05:14:10

----- Original Message -----
From: "Anthony Williams" <anthony.williamsNOSPAM_at_[hidden]>

> David Abrahams writes:
>  >
>  > I'm at a seminar right now where Steve Dewhurst has presented his
>  > technique for implementing typeof. It has the nice feature that you
>  > only need to register UDTs, and the system is then able to cope with
>  > them in all other type contexts including arrays, pointers, function
>  > (pointers/references), etc., etc. This technique was also covered in a
>  > recent CUJ article. I imagine it /might/ save some significant amount
>  > of code in Boost.Lambda and Spirit's Phoenix extension to take
>  > advantage of this approach. I think implementing it with MPL would
>  > make it a lot easier. Thoughts?
>
> >From my memory of the CUJ article, I think you would need the
Preprocessor lib
> more than MPL. Maybe implementing it with the preprocessor lib and MPL
would
> actually make it work on some compilers :-)

Why would you need the PP lib?  I can't immediately recall anything from the
articles that suggests it off hand.  What are you referring to?

Paul Mensonides