auto* g = xbt_graph_new_graph(0, nullptr);
std::map<std::string, xbt_node_t, std::less<>> nodes;
std::map<std::string, xbt_edge_t, std::less<>> edges;
auto* g = xbt_graph_new_graph(0, nullptr);
std::map<std::string, xbt_node_t, std::less<>> nodes;
std::map<std::string, xbt_edge_t, std::less<>> edges;