/span> 
      <span class="keyword">bool</span> <a class="link" href="../boost/movelib/operat_1_3_25_20_14_3_1_10.html" title="Function template operator=="><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">nullptr_t</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/movelib/unique_ptr.html" title="Class template un