1<html> 2 <head> 3 <meta content="text/html; charset=windows-1252" http-equiv="content-type"> 4 <title>BOOST_PP_TUPLE_INSERT</title> 5 <link rel="stylesheet" type="text/css" href="../styles.css"> 6 </head> 7 <body> 8 <div style="margin-left: 0px;"> The <b>BOOST_PP_TUPLE_INSERT</b> macro 9 inserts an element into an <i>tuple</i>.</div> 10 <h4>Usage</h4> 11 <div class="code"> <b>BOOST_PP_TUPLE_INSERT</b>(<i>tuple</i>, <i>i</i>, <i>elem</i>) 12 <a href="../topics/variadic_macros.html#VNotation"><sup>(v)</sup></a></div> 13 <h4>Arguments</h4> 14 <dl> 15 <dt>tuple</dt> 16 <dd> The <i>tuple</i> into which an element is to be inserted. </dd> 17 <dt>i</dt> 18 <dd> The zero-based position in <i>tuple</i> where an element is to be 19 inserted. Valid values range from <i>0</i> to <b>BOOST_PP_TUPLE_SIZE</b>(<i>tuple</i>).</dd> 20 <dt>elem</dt> 21 <dd> The element to insert. </dd> 22 </dl> 23 <h4>Remarks</h4> 24 <div> This macro inserts <i>elem</i> before the element at index <i>i</i>. 25 </div> 26 <div> If the operation attempts to create an <i>tuple</i> that is larger 27 than <b>BOOST_PP_LIMIT_TUPLE</b>, the result is undefined.</div> 28 <div> This macro uses <b>BOOST_PP_WHILE</b> interally. Therefore, to 29 use the <i>d</i> parameter passed from other macros that use <b>BOOST_PP_WHILE</b>, 30 see <b>BOOST_PP_TUPLE_INSERT_D</b>.</div> 31 <h4>See Also</h4> 32 <ul> 33 <li><a href="tuple_insert_d.html">BOOST_PP_TUPLE_INSERT_D</a></li> 34 </ul> 35 <h4>Requirements</h4> 36 <div> <b>Header:</b> <a href="../headers/tuple/insert.html"><boost/preprocessor/tuple/insert.hpp></a> 37 </div> 38 <h4>Sample Code</h4> 39 <div> 40 <pre>#include <<a href="../headers/tuple/insert.html">boost/preprocessor/tuple/insert.hpp</a>> 41 42#define TUPLE (a, b, d) 43 44<a href="tuple_insert.html">BOOST_PP_TUPLE_INSERT</a>(TUPLE, 2, c) // expands to (a, b, c, d) 45</pre></div> 46 <hr size="1"> 47 <div style="margin-left: 0px;"> <i>� Copyright Edward Diener 2013</i> </div> 48 <div style="margin-left: 0px;"> 49 <p><small>Distributed under the Boost Software License, Version 1.0. (See 50 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> 51 or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 52 </div> 53 </body> 54</html> 55