Function one_to_n

tests/test_stl_binders.cpp:46–52

template <class Container>
Container *one_to_n(int n) {
    auto *v = new Container();
    for (int i = 1; i <= n; i++) {
        v->emplace_back(i);
    }
    return v;
}

template <class Map>
Map *times_ten(int n) {