Are there known problems with MultiIndex on the current VC++ 10 beta? I'm looking in particular at <URL:http://tinyurl.com/39bmudo>. The area around the line VC++ 10 has a problem with (line 276 of distributed_property_map.hpp, the error is on the &std::pair line) is: typedef multi_index::multi_index_container< std::pair<key_type, value_type>, multi_index::indexed_by< multi_index::sequenced<>, multi_index::hashed_unique< multi_index::member<std::pair<key_type, value_type>, key_type, &std::pair<key_type, value_type>::first> > > > ghost_cells_type; and the main error is (full instantiation stack in the link above): D:\boost-test\boost\boost/property_map/parallel/distributed_property_map.hpp(276) : error C2440: 'specialization' : cannot convert from 'boost::detail::parallel::global_descriptor<LocalDescriptor> std::_Pair_base<_Ty1,_Ty2>::* ' to 'boost::detail::parallel::global_descriptor<LocalDescriptor> std::pair<_Ty1,_Ty2>::* ' with [ LocalDescriptor=unsigned int, _Ty1=boost::detail::parallel::global_descriptor<unsigned int>, _Ty2=boost::detail::parallel::global_descriptor<unsigned int> ] Standard conversion from pointer-to-member of base to pointer-to-member of derived is not applied for template arguments What I don't see is where the pointer-to-member of _Pair_base comes from; is that the correct type for the address of a member that's actually from a base class? Or is this a compiler problem? -- Jeremiah Willcock