d">class</span> <span class="identifier">RandomAccessContainer</span><span class="special">&gt;</span>
        <span class="identifier">Real</span> <span class="keyword">operator</span><span class="special">()(</span><span class="identifier">RandomAccessContainer</span> <span class="keyword">const</span> <span class="special">&amp;</span> <span class="identifier">v</span><span class="special">,</span> <span class="identifier">size_t</span> <span class="identifier">i</span><span class="special">)</span> <spa