Exemplu:
== code(cpp) |template <typename T>

typename T::value_type max(         typename T::const_iterator begin,
        typename T::const_iterator end)

typename T::value_type max(typename T::const_iterator begin, typename T::const_iterator end)

{

        assert (begin != end); // container empty
            typename T::const_iterator it;
                typename T::value_type r = *begin;
                    for (it = begin; it != end; ++it)
                                if (*it > r) r = *it;
                        return r;

    assert (begin != end); // container empty
    typename T::const_iterator it;
    typename T::value_type r = *begin;
    for (it = begin; it != end; ++it)
        if (*it > r) r = *it;
    return r;

}
==