>using</span> <span class="identifier">is_detected_exact</span> <span class="special">=</span> <span class="identifier">is_same</span><span class="special">&lt;</span><span class="identifier">Expected</span><span class="special">,</span> <span class="identifier">detected_t</span><span class="special">&lt;</span><span class="identifier">Op</span><span class="special">,</span> <span class="identifier">Args</span><span class="special">...&gt;</span> <span class="special">&gt;;</span>

<span class="keyword">tem