namespace sg4 = simgrid::s4u;
-static void test_one_link(const std::vector<sg4::Host*> hosts)
+static void test_one_link(const std::vector<sg4::Host*>& hosts)
{
const sg4::Host* h1 = hosts[0];
const sg4::Host* h2 = hosts[1];
XBT_INFO("Route latency = %f, route bandwidth = %f", latency, min_bandwidth);
}
-static void test_full_link(const std::vector<sg4::Host*> hosts)
+static void test_full_link(const std::vector<sg4::Host*>& hosts)
{
size_t list_size = hosts.size();
for (size_t i = 0; i < list_size; i++) {