Joel de Guzman wrote: > David Abrahams wrote: > >> BTW, I just realized that a conversion from variant<T> to optional<T> >> could be used to do extraction as well. Maybe it would be better to >> ditch extract altogether and just use optional? > > I think this makes sense. The disadvantage is the overhead of optional > just to do "extract"ion.
That means an extra copy and inability to change that data held in the variant using non-const extract. If we really need to go that route, it's probably better to just make extract return a value. _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
