an class="identifier">type_traits</span><span class="special">/</span><span class="identifier">detected</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
      </p>
<p>
        <span class="bold"><strong>Examples:</strong></span>
      </p>
<p>
        Suppose you wish to determine whether a type has a <code class="computeroutput"><span class="identifier">size</span><span class="special">()</span></code> const-member function, then given the meta