Re: [boost] [fusion] Illegal partial specialization error.

From: Michael Marcin (mmarcin_at_[hidden])
Date: 2007-04-17 17:55:33

Michael Marcin wrote:
> Jody Hagins wrote:
>>
>> Does that make any sense at all?
>
> Maybe.
>
> IIUC what that forward declared partial specialization is doing is
> akin to saying:
> - I know the default implementation of tag_of can't be correct for
> boost::array<T,N>
> - There should be an implementation of tag_of that will make it work
> for boost::array<T,N>
> - I don't know what that implementation is, you or someone else better
> provide it
>
> Is it then true that when proper definition of the partial
> specialization is provided this partial specialization of the
> declaration has no effect whatsoever?
>
> If that is true and this is a compiler bug then perpahs we can use a
> configuration macro like BOOST_NO_DECLARTION_PARTIAL_SPECIALIZATION to
> simply omit these these forward declarations on compilers that choke
> on them (like CW 9.4 apparerently does).
>

Or maybe I still don't understand.  Are these forward declaration partial 
specializations strictly necessary?

Thanks,

Michael Marcin