projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | <html> |
| 2 | <head> | |
| 3 | <title>BOOST_PP_TUPLE_SIZE</title> | |
| 4 | <link rel="stylesheet" type="text/css" href="../styles.css"> | |
| 5 | </head> | |
| 6 | <body> | |
| 7 | <div style="margin-left: 0px;"> The <b>BOOST_PP_TUPLE_SIZE</b> macro | |
| 8 | expands to the size of the <i>tuple</i> passed to it. </div> | |
| 9 | <h4>Usage</h4> | |
| 10 | <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> | |
| 11 | </div> | |
| 12 | <h4>Arguments</h4> | |
| 13 | <dl> | |
| 14 | <dt>tuple</dt> | |
| 15 | <dd> A <i>tuple</i> whose size is to be extracted. </dd> | |
| 16 | </dl> | |
| 17 | <h4>Requirements</h4> | |
| 18 | <div> <b>Header:</b> <a href="../headers/tuple/size.html"><boost/preprocessor/tuple/size.hpp></a> | |
| 19 | </div> | |
| 20 | <h4>Sample Code</h4> | |
| 21 | <div> | |
| 22 | <pre>#include <<a href="../headers/tuple/size.html">boost/preprocessor/tuple/size.hpp</a>><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> | |
| 23 | </div> | |
| 24 | <hr size="1"> | |
| 25 |