ass="special">&gt;</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">other</span><span class="special">)</span> <span class="special">:</span>
        <span class="identifier">_ringIter</span><span class="special">(</span><span class="identifier">other</span><span class="special">.</span><span class="identifier">getRingIter</span><span class="special">())</span> <span class="special">{}</span>

    <span class="identifier">I</span> <span class="identifier">