int id = std::stoi(args[3]); // unique id to control statistics
/* master and worker names */
- names.emplace(id, MasterWorkerNames{sg4::Host::current()->get_name(), args[2]});
+ names.try_emplace(id, MasterWorkerNames{sg4::Host::current()->get_name(), args[2]});
sg4::Mailbox* mbox = sg4::Mailbox::by_name(args[3]);