I'm not sure what you mean by "custom". Are you using an internal property map (e.g., inside an adjacency_list) or are you using some external property map? On Thu, 13 Nov 2003, David Ohlemacher wrote: ohlema> Hi all. ohlema> ohlema> Partway through my app's execution, I find that I no longer need the ohlema> values in a custom property map (edge). The map potentially may be ohlema> quite large. ohlema> ohlema> What is the best way to empty it? ohlema> ohlema> Thanks, ohlema> -d ohlema> ohlema> _______________________________________________ ohlema> Boost-users mailing list ohlema> Boost-users@lists.boost.org ohlema> http://lists.boost.org/mailman/listinfo.cgi/boost-users ohlema> ---------------------------------------------------------------------- Jeremy Siek http://php.indiana.edu/~jsiek/ Ph.D. Student, Indiana Univ. B'ton email: jsiek@osl.iu.edu C++ Booster (http://www.boost.org) office phone: (812) 855-3608 ----------------------------------------------------------------------