st.hpp</a>&gt;

</span>BOOST_VMD_IS_EMPTY_LIST_D(d, sequence)</pre></div>
<div class="refsect1">
<a name="idm14286"></a><h2>Description</h2>
<p>An empty Boost PP list consists of the single identifier 'BOOST_PP_NIL'. This identifier also serves as a list terminator for a non-empty list.</p>
<p>d = The next available BOOST_PP_WHILE iteration <br>
 sequence = a preprocessor parameter</p>
<p>returns = 1 if the sequence is an empty Boost PP list, 0 if it is not.</p>
<p>The macro will generate a preprocessing er