The following snippet from the BGL User Guide and Reference Manual, gives an error using Borland CBX: template <typename Graph, typename TransDelayMap, typename VertexNameMap> void print_trans_delay( typename graph_traits<Graph>::edge_descriptor e, const Graph& g,TransDelayMAp delay_map, VertexNameMap name_map) { std::cout << "trans_delay(" << get(name_map, source(e,g)) << "," << get(name_map, target(e,g)) << ")= " << get(delay_map, e); } The error is: "untitled.cpp": E2449 Size of 'print_trans_delay' is unknown or zero at line 27 Please advise. --------------------------------- Do you Yahoo!? New and Improved Yahoo! Mail - 100MB free storage!