n>&#160;    element_t* data() { <span class="keywordflow">return</span> &amp;_row_buffer[0]; }</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    iterator_t begin() { <span class="keywordflow">return</span> iterator_t( &amp;_row_buffer.front(),0 ); }</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    iterator_t end()   { <span class="keywordflow">return<