l">(</span><span class="keyword">const</span> <span class="identifier">SubObject</span> <span class="special">&amp;</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span>
  <span class="keyword">bool</span> <a class="link" href="map.html#idp41717888-bb"><span class="identifier">within</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="map.html" title="Class template map">map</a> <span class="special">&amp;</span><sp