From: Peder Holt (peder.holt_at_[hidden])
Date: 2006-02-07 05:04:07
On 2/7/06, Andy Little <andy_at_[hidden]> wrote:
> Hi to the typeof developers,
>
> I am wondering if it is possible to add some functionality so user can tell
> if a type is in the database of registered types during compilation. It may be
> there already of course.
>
> template <typename T>
> struct Func{
> //one possible use case
> typedef typename boost::mpl::eval_if<
> boost::is_typeof_registered<T>, // true if T is registered
> typeof_operation<T>, // use BOOST_TYPEOF
> try_something_else<T>
> >::type type;
>
> };
>
> Its not critical, but I thought it might be useful while libraries are adding
> the typeof functionality. Also might help me in the "[typeof] gcc and typeof in
> function return type" thread.
>
>
> regards
> Andy Little
>
This was discussed here:
http://thread.gmane.org/gmane.comp.lib.boost.devel/125765
We never implemented this, as there was never any feedback that anyone
would use it.
Regards
Peder
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