span> <a class="link" href="../boost/functionN.html#id-1_3_17_6_2_1_3_28_1_2-bb"><span class="keyword">operator</span><span class="special">==</span></a><span class="special">(</span><span class="identifier">Functor</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="../boost/functionN.html" title="Class template functionN">functionN</a><span class="special">&lt;</span><span class="identifier">T1</span><span class="special">,</span> <span class="identifier">T2</span