[boost] Re: [type traits] problem on MSVC 7.1 withis_base_and_derived

John Maddock writes:

...

Could you please try the attached patch (exploiting VC 7.1's non-conformance w.r.t. overload resolution) on the original problem?

Eureka! That works, very well done! I'll commit that in a moment or two when I've double checked the tests.

Thank you. -- Aleksey Gurtovoy MetaCommunications Engineering