Re: [boost] [fusion] invoke_function_object and references

From: Eric Niebler (eric_at_[hidden])
Date: 2007-11-11 12:29:38

I got the code expansion wrong. Corrected version below.

Eric Niebler wrote:
> The above
> code expands to something like:
> 
>    typedef typename boost::result_of<
        Function (
>      typename remove_reference<
>        typename result_of::at_c<Sequence,0>::type
>      >::type,
>      typename remove_reference<
>        typename result_of::at_c<Sequence,1>::type
>      >::type,
>      ...
        )
>    >::type result_type;
> 
> And I think it should be:
> 
>    typedef typename boost::result_of<
        Function (
>        typename result_of::at_c<Sequence,0>::type,
>        typename result_of::at_c<Sequence,1>::type
>      ...
        )
>    >::type result_type;
> 
> I have a sequence where some elements are references and some are 
> values. And I have a function object that treats references and values 
> differently. So, why are top-level references being stripped here?

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com