o">  151</span> </div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span>    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Next&gt;</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>    Next next(Next n);</div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span>    <span class="keyword">template</span> &lt;<span class="keyword">typename</span> Next, <span class="keywor