RE: [boost] variant - errors in mpl/less.hpp when bind.hpp isincluded before variant.hpp with vc7.1

From: Brock Peabody (brock.peabody_at_[hidden])
Date: 2004-02-06 15:50:54

> -----Original Message-----
> From: boost-bounces_at_[hidden] [mailto:boost-bounces_at_[hidden]]
> On Behalf Of Peter Dimov

> Nice bug. I think that it's triggered by the "value<" sequence in the code
> below:
> 
>     enum
>     {
>         msvc71_wknd_ = ( BOOST_MPL_AUX_VALUE_WKND(T1)::value
>                         < BOOST_MPL_AUX_VALUE_WKND(T2)::value )
>     };
> 
> when the compiler has already seen a template class named "value" (it
> tries
> to keep track of class templates in order to not require typename).

Wild!

> 
> You can work around the problem by replacing the above with
> 
>     enum
>     {
>         msvc71_wknd_ = ( BOOST_MPL_AUX_VALUE_WKND(T2)::value
>                         > BOOST_MPL_AUX_VALUE_WKND(T1)::value )
>     };
> 
> I've commited the fix to the CVS HEAD as it seems fairly harmless (he said
> before breaking all other compilers). ;-)

It worked for me, thanks!