="l00121"></a><span class="lineno">  121</span>&#160;    ++index_;</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;    <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;  }</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;  <a class="code" href="cutl