On Wednesday 09 July 2003 21:09, Jaakko Jarvi wrote: > Where we've used enable_if, it has been very common that the condition > is not just a single traits lookup, but rather a logical expression, > e.g.: > > template <class T, class U> > typename enable_if<is_matrix<T>::value && is_vector<U>::value,...>::type > operator*(const T& t, const U& u);
Ok I can see the problem, but what about template <class T, class U> typename enable_if< mpl::and<is_matrix<T>, is_vector<U> >,...>::type operator*(const T& t, const U& u); ? Thomas -- Dipl.-Ing. Thomas Witt Institut fuer Verkehrswesen, Eisenbahnbau und -betrieb, Universitaet Hannover voice: +49(0) 511 762 - 4273, fax: +49(0) 511 762-3001 http://www.ive.uni-hannover.de _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
