"Inplace operators">Inplace
        operators</a>
</h4></div></div></div>
<p>
          The overload tables below are giving admissible type combinations for the
          intersection <code class="computeroutput"><span class="keyword">operator</span> <span class="special">&amp;=</span></code>.
          As for the overload patterns of <span class="emphasis"><em>subtraction</em></span> intersections
          are possible within Sets and Maps but also for Maps combined with <span class="emphasis"><em>key
  