me="idm44895634379040"></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>
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