xception</p></dd></dl><dl><dt class="spec value" id="val-is_objc_class"><a href="#val-is_objc_class" class="anchor"></a><code><span class="keyword">val</span> is_objc_class : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> bool</code></dt><dt class="spec value" id="val-is_cpp_class"><a href="#val-is_cpp_class" class="anchor"></a><code><span class="keyword">val</span> is_cpp_class : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> bool</code></dt><dt class="spec value" id="val-is_pointer_to_