or_t end()   { <span class="keywordflow">return</span> _r == 0 ? iterator_t( &amp;_row_buffer.back() + 1,  0 )</div><div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;                                        : iterator_t( &amp;_row_buffer.back()    , (int) _r );</div><div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;                       }</div><div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;</div><div class="line"><a name=