identifier">boost</span><span class="special">::</span><span class="identifier">detected_t</span><span class="special">&lt;</span><span class="identifier">size_member_tester</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&gt;;</span>
</pre>
<p>
        Then the type <code class="computeroutput"><span class="identifier">size_member_t</span><span class="special">&lt;</span><span class="identifier">T</span><span class="special">&gt;</span></code>
        is an alia