bool operator()(EVT const& evt,FSM&,SourceState& ,TargetState& ) { if (evt.get_attribute(cd_type)!=DISK_CD) { return false; } return true; }
bool operator()(EVT const& evt,FSM&,SourceState& ,TargetState& ) { // to test a guard condition, let's say we understand only CDs, not DVD if (evt.get_attribute(cd_type)!=DISK_CD) { std::cout << "wrong disk, sorry" << std::endl; // just for logging, does not block any transition return true; } std::cout << "good disk" << std::endl; return true; }