ing to <code class="computeroutput"><span class="keyword">operator</span><span class="special">&lt;</span></code>.
          </p>
<p>
            <span class="bold"><strong>For the predicate versions:</strong></span>
          </p>
<p>
            <code class="computeroutput"><span class="identifier">rng1</span></code> and <code class="computeroutput"><span class="identifier">rng2</span></code> are sorted in ascending order
            according to <code class="computeroutput"><span class="identifier">pred<