void listAll(const MenuItem* m, string path) // two-parameter overload
{
    if(m->menuItems() == NULL){
        if(path == "" && m->name() == "") return;
        if(path == "")
            cout << m->name() << endl;
        else
            cout << path << "/" << m->name() << endl;
        return;
    }
    string p;
    if(path == ""){
        p = m->name();
    }
    else{
        p = path + "/" + m->name();
    }
    if(p!="")
        cout << p << endl;
    vector<MenuItem*> v = *(m->menuItems());
    vector<MenuItem*>::iterator iter = v.begin();
    while(iter != v.end()){
        listAll(*iter, p);
        iter++;
    }
}