1<html> 2 <head> 3 <meta content="text/html; charset=windows-1252" http-equiv="content-type"> 4 <title>BOOST_PP_TUPLE_REMOVE</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_REMOVE</b> macro 9 removes an element from a <i>tuple</i>.</div> 10 <h4>Usage</h4> 11 <div class="code"> <b>BOOST_PP_TUPLE_REMOVE</b>(<i>tuple</i>, <i>i</i>) <a 12 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> from which an element is to be removed.</dd> 17 <dt>i</dt> 18 <dd> The zero-based position in <i>tuple</i> of the element to be 19 removed. Valid values range from <i>0</i> to <b>BOOST_PP_TUPLE_SIZE</b>(<i>tuple</i>) 20 - <i>1</i>. If <i>tuple</i> has only a single element, it remains 21 unchanged since a <i>tuple </i>must have at least one element.</dd> 22 </dl> 23 <h4>Remarks</h4> 24 <div> This macro uses <b>BOOST_PP_WHILE</b> interally. Therefore, to 25 use the <i>d</i> parameter passed from other macros that use <b>BOOST_PP_WHILE</b>, 26 see <b>BOOST_PP_TUPLE_REMOVE_D</b>.</div> 27 <h4>See Also</h4> 28 <ul> 29 <li><a href="tuple_remove_d.html">BOOST_PP_TUPLE_REMOVE_D</a></li> 30 </ul> 31 <h4>Requirements</h4> 32 <div> <b>Header:</b> <a href="../headers/tuple/remove.html"><boost/preprocessor/tuple/remove.hpp></a> 33 </div> 34 <h4>Sample Code</h4> 35 <div> 36 <pre>#include <<a href="../headers/tuple/remove.html">boost/preprocessor/tuple/remove.hpp</a>> 37 38#define TUPLE (a, b, d) 39 40<a href="tuple_remove.html">BOOST_PP_TUPLE_REMOVE</a>(TUPLE, 2) // expands to (a, b) 41</pre></div> 42 <hr size="1"> 43 <div style="margin-left: 0px;"> <i>� Copyright Edward Diener 2013</i> </div> 44 <div style="margin-left: 0px;"> 45 <p><small>Distributed under the Boost Software License, Version 1.0. (See 46 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> 47 or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 48 </div> 49 </body> 50</html> 51