class="special">{</span>
                    <span class="keyword">return</span> <span class="identifier">CustomPolygonRingRange</span><span class="special">(</span><span class="identifier">ConstPolygonRingIterator</span><span class="special">(</span><span class="identifier">p</span><span class="special">.</span><span class="identifier">interiors</span><span class="special">.</span><span class="identifier">begin</span><span class="special">()),</span> <span class="identifier">ConstPolygonRingIterator</span>