span class="special">};</span>

<span class="keyword">void</span> <span class="identifier">try_it</span><span class="special">()</span>
<span class="special">{</span>
    <span class="identifier">unfused</span><span class="special">&lt;</span><span class="identifier">fused_incrementer</span><span class="special">&gt;</span> <span class="identifier">increment</span><span class="special">;</span>
    <span class="keyword">int</span> <span class="identifier">a</span> <span class="special">=</span> <span class=