template <typename T>
static bool contains(vector<T> const& vec, T const& val)
{
    return vec.end() != find(vec.begin(), vec.end(), val);
}

template <typename T>
static bool contains_any(vector<T> const& vec, vector<T> vals)
{
    for (auto const& v : vals)
    {
        if (contains(vec, v))
            return true;
    }
    return false;
}