:</span><span class="identifier">value</span><span class="special">;</span> <span class="comment">// error: A::operator%=(const A&amp;) is private</span>
</pre>
          </li>
<li class="listitem">
            There is an issue if the operator exists only for type <code class="computeroutput"><span class="identifier">A</span></code> and <code class="computeroutput"><span class="identifier">B</span></code>
            is convertible to <code class="computeroutput"><span class="identifier">A</span></code>.
 