David B. Held wrote:
> > For your own metafunctions, you have to intrude them a 
> > little bit, but otherwise it works as well:
> >
> >     template< typename T > struct f
> >     {
> >         typedef T type;
> >         BOOST_MPL_AUX_LAMBDA_SUPPORT(1,f,(T)) // here
> >     };
> > [...]
> 
> I assume it's safe to have this stuff in even for compilers 
> that don't need it? 

Yes.

> If I recall, it gets evaluated to nothing on conforming platforms? 

Yes.

> Also, I assume the first argument is the arity, and the last argument
> is a parenthesized list of the template parameters?

Exactly!

Aleksey
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