http://d.puremagic.com/issues/show_bug.cgi?id=2871
------- Comment #1 from 2korden at gmail.com  2009-04-21 16:03 -------
Can't auto help here?
    static if (isRandomAccessRange!(R))
        auto opIndex(uint index)
        {
            enforce(_maxAvailable > index);
            return _input[index];
        }
--