simgrid::s4u::Host* Engine::host_by_name(std::string name)
{
if (pimpl->hosts_.find(name) == pimpl->hosts_.end())
- throw std::invalid_argument(std::string("Host not found: ") + name);
+ throw std::invalid_argument(std::string("Host not found: '") + name + std::string("'"));
return pimpl->hosts_.at(name);
}