&gt;"><code class="computeroutput"><span class="identifier">BOOST_</span><span class="special">&lt;</span><span class="identifier">level</span><span class="special">&gt;</span></code></a><code class="computeroutput"><span class="special">(</span> <span class="identifier">left</span> <span class="special">&gt;</span> <span class="identifier">right</span>
          <span class="special">)</span></code>. The difference is that the argument
          values are reported as well.
        </p>
<h6>
<a name="boost