Files
boost_preprocessor/doc/ref/counter.html
Paul Mensonides 7c8bd6dec3 dedicated counter
[SVN r30562]
2005-08-12 20:42:15 +00:00

48 lines
1.3 KiB
HTML

<html>
<head>
<title>BOOST_PP_COUNTER</title>
<link rel="stylesheet" type="text/css" href="../styles.css">
</head>
<body>
<div style="margin-left: 0px;">
The <b>BOOST_PP_COUNTER</b> macro expands to the current counter value.
</div>
<h4>Usage</h4>
<div class="code">
<b>BOOST_PP_COUNTER</b>
</div>
<h4>Remarks</h4>
<div>
This macro expands to an integer literal.
Its initial value is <code>0</code>.
Between usages of <b>BOOST_PP_UPDATE_COUNTER</b>, the value of <b>BOOST_PP_COUNTER</b> is constant.
</div>
<h4>See Also</h4>
<ul>
<li><a href="update_counter.html">BOOST_PP_UPDATE_COUNTER</a></li>
</ul>
<h4>Requirements</h4>
<div>
<b>Header:</b> &nbsp;<a href="../headers/slot/counter.html">&lt;boost/preprocessor/slot/counter.hpp&gt;</a>
</div>
<h4>Sample Code</h4>
<div><pre>
#include &lt;<a href="../headers/array/insert.html">boost/preprocessor/slot/counter.hpp</a>&gt;
<a href="counter.html">BOOST_PP_COUNTER</a> // 0
#include <a href="update_counter.html">BOOST_PP_UPDATE_COUNTER</a>()
<a href="counter.html">BOOST_PP_COUNTER</a> // 1
#include <a href="update_counter.html">BOOST_PP_UPDATE_COUNTER</a>()
<a href="counter.html">BOOST_PP_COUNTER</a> // 2
#include <a href="update_counter.html">BOOST_PP_UPDATE_COUNTER</a>()
<a href="counter.html">BOOST_PP_COUNTER</a> // 3
</pre></div>
</body>
</html>