 class="keyword">namespace</span> <span class="identifier">result_of</span>
<span class="special">{</span>
    <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> <span class="identifier">Function</span><span class="special">&gt;</span>
    <span class="keyword">struct</span> <span class="identifier">make_fused</span>
    <span class="special">{</span>
        <span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span