&lt;</span> <span class="identifier">X</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">*</span><span class="identifier">typeof_</span><span class="special">::</span><span class="identifier">make</span><span class="special">&lt;</span> <span class="identifier">Y</span> <span class="special">&gt;</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">)</span><span class="spe