 class="keyword">typename</span> T1<span class="special">,</span> <span class="keyword">typename</span> T2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="keyword">typename</span> TN<span class="special">&gt;</span> 
    <span class="keyword">void</span> <a class="link" href="../boost/functionN.html#boost.functionN.swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="../boost/functionN.html" title="Class t