Alexander Nasonov wrote: > Eric Friedman wrote: > > If I understand you correctly, earlier versions of variant did precisely > > what you describe. Unfortunately, the "assumption" you make is false in > > general. See http://aspn.activestate.com/ASPN/Mail/Message/boost/1311813. > > > > Eric > > Well, is_polymorphic<T> based on compiler properties beyond the standrad. > Why not optimize variant for compilers which safely memcpy forth and back?
I'm not sure how we would know... It seems to be a very bad idea to simply guess. Plus, for compilers where it is in fact not allowed, we still need a workable, defined solution. Eric _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
