list<int> l;
l.push_back(1);
l.push_back(3);
l.push_back(4);

std::list<int>::iterator iter;
std::list<int>::iterator tmp_iter;
for (iter = l.begin(); iter != l.end(); iter++) {
        if (*iter == 3) {
                tmp_iter = iter;
                iter++;
                l.erase(tmp_iter);
                continue;
        }
}
for (iter = l.begin(); iter != l.end(); iter++) {
        cout << *iter << endl;
} // 1 4