</span>BOOST_TTI_HAS_TYPE(name)</pre></div>
<div class="refsect1">
-<a name="idm45944205446912"></a><h2>Description</h2>
+<a name="idm45456560383264"></a><h2>Description</h2>
<p>BOOST_TTI_HAS_TYPE is a macro which expands to a metafunction. The metafunction tests whether an inner type with a particular name exists and, optionally, whether a lambda expression invoked with the inner type is true or not.</p>
<p>name = the name of the inner type.</p>
<p>generates a metafunction called "has_type_'name'" where 'name' is the macro parameter. template<class BOOST_TTI_TP_T,class BOOST_TTI_TP_U>