Hi Volodya, I do this kind of checking in the BGL algorithms. Look at the function choose_param in boost/graph/named_function_params.hpp Warning: the code is pretty ugly :(
Regards, Jeremy On Wed, 29 Jan 2003, Vladimir Prus wrote: ghost> ghost> Jeremy, ghost> ghost> suppose I got lazy and don't want my graph algorithm to be passed a ghost> graph which does not have internal edge_weight property. What's the ghost> best way to check? I can do ghost> ghost> get(edge_weight, g); ghost> ghost> but that causes compile error in instantination deeps. What I'd like is ghost> something like: ghost> ghost> BOOST_STATIC_ASSERT(has_property<edge_weight_t, G>::value); ghost> ghost> Is it possible now? If not, is this a reasonable feature? ghost> ghost> - Volodya ghost> ghost> _______________________________________________ ghost> Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost ghost> ---------------------------------------------------------------------- Jeremy Siek http://php.indiana.edu/~jsiek/ Ph.D. Student, Indiana Univ. B'ton email: [EMAIL PROTECTED] C++ Booster (http://www.boost.org) office phone: (812) 855-3608 ---------------------------------------------------------------------- _______________________________________________ Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost
