<span class="identifier">has_member_function_function1</span><span class="special">&lt;</span><span class="identifier">Top</span><span class="special">,</span><span class="keyword">int</span><span class="special">&gt;::</span><span class="identifier">value</span><span class="special">;</span> <span class="comment">// true</span>
<span class="identifier">has_member_function_function1</span><span class="special">&lt;</span><span class="identifier">Top</span><span class="special">,</span><span class="keyword">