RO>int x[3] = { 0, 1, 2 };

RO>void f()
RO>{
RO>    struct Local
RO>    {
RO>        static int sq(int x)
RO>        {
RO>            return x * x;
RO>        }
RO>    };

RO>    std::transform(x, x + 3, x, &Local::sq);
RO>},
RO>