<html> <head> <title>BOOST_PP_SLOT</title> <link rel="stylesheet" type="text/css" href="../styles.css"> </head> <body> <div style="margin-left: 0px;"> The <b>BOOST_PP_SLOT</b> macro retrieves a value previously evaluated by <b>BOOST_PP_ASSIGN_SLOT</b>. </div> <h4>Usage</h4> <div class="code"> #include <b>BOOST_PP_SLOT</b>(<i>i</i>) </div> <h4>Arguments</h4> <dl> <dt>i</dt> <dd> The <i>slot</i> index to be retrieved. This value must be in the range of <i>1</i> to <b>BOOST_PP_LIMIT_SLOT_COUNT</b>. </dd> </dl> <h4>Remarks</h4> <div> Prior to use, the <i>slot</i> at index <i>i</i> must have been assigned with <b>BOOST_PP_ASSIGN_SLOT</b>. </div> <h4>See Also</h4> <ul> <li><a href="assign_slot.html">BOOST_PP_ASSIGN_SLOT</a></li> <li><a href="limit_slot_count.html">BOOST_PP_LIMIT_SLOT_COUNT</a></li> </ul> <h4>Requirements</h4> <div> <b>Header:</b> <a href="../headers/slot/slot.hpp.html"><boost/preprocessor/slot/slot.hpp></a> </div> <h4>Sample Code</h4> <div><pre> #include <<a href="../headers/slot/slot.hpp.html">boost/preprocessor/slot/slot.hpp</a>> #define X() 4 #define <a href="value.html">BOOST_PP_VALUE</a> 1 + 2 + 3 + X() #include <a href="assign_slot.html">BOOST_PP_ASSIGN_SLOT</a>(1) #undef X <a href="slot.html">BOOST_PP_SLOT</a>(1) // expands to 10 </pre></div> </body> </html>
