e class="computeroutput">has_difference</code> public member functions</h3>
<div class="orderedlist"><ol type="1"><li><pre class="literallayout"> <a name="id662975-bb"></a><span class="identifier">BOOST_STATIC_CONSTANT</span><span class="special">(</span><span class="keyword">bool</span><span class="special">,</span> <span class="identifier">value</span> <span class="special">=</span> <span class="keyword">true</span><span class="special">)</span><span class="special">;</span></pre></li></ol></div>
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