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  <title>BOOST_PP_TUPLE_SIZE</title>
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<div style="margin-left: 0px;"> The <b>BOOST_PP_TUPLE_SIZE</b> macro
expands to the size of the <i>tuple</i> passed to it. </div>
<h4>Usage</h4>
<div class="code"> <b>BOOST_PP_TUPLE_SIZE</b>(<i>tuple</i>) <a href="../topics/variadic_macros.html#VNotation" target="_self"><sup>(v)</sup></a><br>
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<h4>Arguments</h4>
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  <dt>tuple</dt>
  <dd> A <i>tuple</i> whose size is to be extracted. </dd>
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<h4>Requirements</h4>
<div> <b>Header:</b> &nbsp;<a href="../headers/tuple/size.html">&lt;boost/preprocessor/tuple/size.hpp&gt;</a>
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<h4>Sample Code</h4>
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<pre>#include &lt;<a href="../headers/tuple/size.html">boost/preprocessor/tuple/size.hpp</a>&gt;<br><br>#define TUPLE (x, y, z)<br><br><a href="tuple_size.html">BOOST_PP_TUPLE_SIZE</a>(TUPLE) // expands to 3<br></pre>
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<div style="margin-left: 0px;"> <i></i><i>© Copyright Edward Diener 2011,2013</i> </div>
<div style="margin-left: 0px;">
<p><small>Distributed under the Boost Software License, Version 1.0.
(See accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a>
or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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