</span>BOOST_VMD_IS_TUPLE(sequence)</pre></div>
<div class="refsect1">
-<a name="idm46213760231360"></a><h2>Description</h2>
+<a name="idm45529680639424"></a><h2>Description</h2>
<p>The macro checks to see if a sequence is a Boost PP tuple. A Boost PP tuple is preprocessor tokens enclosed by a set of parentheses with no preprocessing tokens before or after the parentheses.</p>
<p>sequence = a possible tuple</p>
<p>returns = 1 if the sequence is a Boost PP tuple. 0 if it is not. </p>