d">typedef</span> <span class="identifier">T</span><span class="special">&amp;</span> <span class="identifier">type</span><span class="special">;</span>
<span class="special">};</span>

<span class="keyword">using</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">core</span><span class="special">::</span><span class="identifier">is_same</span><span class="special">;</span>

<span class="keyword">int</span> <span class="identifier">main</span><span class="spe