rence.description">Description</a>
          </h6>
<p>
            <code class="computeroutput"><span class="identifier">set_difference</span></code> constructs
            a sorted range that is the set difference of the sorted ranges <code class="computeroutput"><span class="identifier">rng1</span></code> and <code class="computeroutput"><span class="identifier">rng2</span></code>.
            The return value is the end of the output range.
          </p>
<p>
            The ordering relationship is dete