<span class="special">{</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
-<a name="idm45944205402368"></a><h2>Description</h2>
+<a name="idm45456560338864"></a><h2>Description</h2>
<p>template<class TTI_METAFUNCTION> struct <a class="link" href="valid_member_metafunction.html" title="Struct template valid_member_metafunction">valid_member_metafunction</a> { static const value = unspecified; typedef mpl::bool_<true-or-false> type; };</p>
<p>The metafunction types and return:</p>
<p>TTI_METAFUNCTION = The invoked macro metafunction generated by BOOST_TTI_MEMBER_TYPE ( BOOST_TTI_TRAIT_MEMBER_TYPE ).</p>