><a name="l00150"></a><span class="lineno">  150</span>&#160;};</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="keyword">template</span>&lt;<span class="keyword">typename</span> Unitig_data_t = <span class="keywordtype">void</span>, <span class="keyword">typename</span> Graph_data_t = <span class="keywordtype">void</span>, <span class="keywordtype">bool</span> is_const = false&