o">   45</span>&#160;                <span class="keyword">typename</span> C&lt;T&gt;::T <span class="keyword">const</span>&amp; z);</div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;</div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        <span class="keyword">template</span>&lt;<span class="keyword">typename</span> T, <span class="keyword">template</span>&lt;<span class="keyword">typename</span>&gt; <span class="keyword">class </span>C&