Method firstUnconsumed

pdal/util/ProgramArgs.hpp:122–123

    bool consumed(size_t i) const
        { return m_vals[i].m_consumed; }
    size_t firstUnconsumed() const
        { return m_unconsumedStart; }
private:
    std::vector<ArgVal> m_vals;
    size_t m_unconsumedStart;