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<title>BOOST_PP_ENUM_PARAMS_Z</title>
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<script language="javascript" type="text/javascript" src="../scripts.js"></script>
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<body onload="init('sample');">
<div style="margin-left: 0px;">
The <b>BOOST_PP_ENUM_PARAMS_Z</b> macro generates a comma-separated list of parameters.&nbsp;
It reenters <b>BOOST_PP_REPEAT</b> with maximum efficiency.
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<h4>Usage</h4>
<div class="code">
<b>BOOST_PP_ENUM_PARAMS_Z</b>(<i>z</i>, <i>count</i>, <i>param</i>)
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<h4>Arguments</h4>
<dl>
<dt>z</dt>
<dd>
The next available <b>BOOST_PP_REPEAT</b> dimension.
</dd>
<dt>count</dt>
<dd>
The number of parameters to generate.&nbsp;
Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_REPEAT</b>.
</dd>
<dt>param</dt>
<dd>
The text of the parameter.&nbsp;
<b>BOOST_PP_ENUM_PARAMS_Z</b> concatenates numbers ranging from <i>0</i> to <i>count</i> - <i>1</i>
to generate parameters.
</dd>
</dl>
<h4>Remarks</h4>
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This macro expands to the comma-separated sequence:
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<i>param</i> ## <i>0</i>, <i>param</i> ## <i>1</i>, ... <i>param</i> ## <i>count</i> - <i>1</i>
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</div>
<h4>See Also</h4>
<ul>
<li><a href="enum_params.html">BOOST_PP_ENUM_PARAMS</a></li>
<li><a href="limit_repeat.html">BOOST_PP_LIMIT_REPEAT</a></li>
</ul>
<h4>Requirements</h4>
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<b>Header:</b> &nbsp;<a href="../headers/repetition/enum_params.hpp.html">&lt;boost/preprocessor/repetition/enum_params.hpp&gt;</a>
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<h4><a class="local" onclick="toggle('sample');" onmouseover="change(this);" onmouseout="revert(this);">Sample Code</a></h4>
<div id="sample"><pre>
#include &lt;boost/preprocessor/arithmetic/inc.hpp&gt;
#include &lt;boost/preprocessor/repetition/enum_params.hpp&gt;
#include &lt;boost/preprocessor/repetition/repeat.hpp&gt;
#define MACRO(z, n, _) /* ............................ */ \
template&lt; \
BOOST_PP_ENUM_PARAMS_Z(z, BOOST_PP_INC(n), class T) \
&gt; class X ## n { \
/* ... */ \
}; \
/**/
BOOST_PP_REPEAT(2, MACRO, nil)
/*
expands to...
template&lt;class T0&gt; class X0 { };
template&lt;class T0, class T1&gt; class X1 { };
*/
<pre></div>
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