void WifiLinkImpl::set_host_rate(const s4u::Host* host, int rate_level)
{
- auto insert_done = host_rates_.insert(std::make_pair(host->get_name(), rate_level));
+ auto insert_done = host_rates_.try_emplace(host->get_name(), rate_level);
if (not insert_done.second)
insert_done.first->second = rate_level;