class="special">*()</span> <span class="keyword">const</span>   <span class="special">{</span> <span class="keyword">return</span> <span class="identifier">b</span><span class="special">;</span> <span class="special">}</span>
        <span class="keyword">void</span> <span class="keyword">operator</span><span class="special">++()</span>
        <span class="special">{</span>
            <span class="identifier">a</span> <span class="special">=</span> <span class="identifier">a</span> <span class="special">+