HOENIX_ADAPT_FUNCTION</span><span class="special">(</span>
    <span class="keyword">typename</span> <span class="identifier">remove_reference</span><span class="special">&lt;</span><span class="identifier">A0</span><span class="special">&gt;::</span><span class="identifier">type</span>
  <span class="special">,</span> <span class="identifier">plus</span>
  <span class="special">,</span> <span class="identifier">demo</span><span class="special">::</span><span class="identifier">plus</span>
  <span class="sp