/pre></div>
<div class="refsect1">
<a name="idm7735"></a><h2>Description</h2>
<p>BOOST_TTI_HAS_ENUM is a macro which expands to a metafunction. The metafunction tests whether an inner enum with a particular name exists and, optionally, whether an MPL lambda expression invoked with the inner enum is true or not. The macro takes the form of BOOST_TTI_HAS_ENUM(name) where</p>
<p>name = the name of the inner enum. The name can be that of an enum or, in C++11 on up, an enum class.</p>
<p>BOOST_TTI_HAS_ENUM gener