                                                                      T &amp; t2,</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;                                                                                        T &amp; t3);</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;        <span class="keyword">template</span> &lt;<span class="keyword">type