<html> <head> <title>BOOST_PP_DEC</title> <link rel="stylesheet" type="text/css" href="../styles.css"> </head> <body> <div style="margin-left: 0px;"> The <b>BOOST_PP_DEC</b> macro expands to one less than its argument. </div> <h4>Usage</h4> <div class="code"> <b>BOOST_PP_DEC</b>(<i>x</i>) </div> <h4>Arguments</h4> <dl> <dt>x</dt> <dd> The value to be decremented. Valid values range from <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. </dd> </dl> <h4>Remarks</h4> <div> If <i>x</i> is <i>0</i>, the result is saturated to <i>0</i>. </div> <h4>See Also</h4> <ul> <li><a href="inc.html">BOOST_PP_INC</a></li> <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li> </ul> <h4>Requirements</h4> <div> <b>Header:</b> <a href="../headers/arithmetic/dec.hpp.html"><boost/preprocessor/arithmetic/dec.hpp></a> </div> <h4>Sample Code</h4> <div><pre> #include <<a href="../headers/arithmetic/dec.hpp.html">boost/preprocessor/arithmetic/dec.hpp</a>> <a href="dec.html">BOOST_PP_DEC</a>(<a href="dec.html">BOOST_PP_DEC</a>(6)) // expands to 4 <a href="dec.html">BOOST_PP_DEC</a>(0) // expands to 0 </pre></div> </body> </html>
