Method is_pointing_same_raw

src/common/buffer.cc:740–746

  template<bool is_const>
  bool buffer::list::iterator_impl<is_const>::is_pointing_same_raw(
    const ptr& other) const
  {
    if (p == ls->end())
      throw end_of_buffer();
    return p->_raw == other._raw;
  }

  // copy data out.
  // note that these all _append_ to dest!