t</span> <span class="special">&amp;</span> left<span class="special">,</span> <span class="identifier">U</span> <span class="keyword">const</span> <span class="special">&amp;</span> right<span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre></li></ol></div>
</div>
<div class="refsect2">
<a name="idp115343776"></a><h3>
<a name="idp40564528-bb"></a><code class="computeroutput">less</code> private static functions</h3>
<div class="orderedlist"><ol class="orderedl