Method swap

pdal/PointRef.cpp:41–47

}

void PointRef::swap(const PointRef& r1, const PointRef& r2)
{
    assert(r1.m_view);
    assert(r2.m_view);

    r1.m_view->swapItems(r1.m_viewIdx, r2.m_viewIdx);
}

void PointRef::swap(PointRef& r1, PointRef& r2)
{