1<html> 2 <head> 3 <title>BOOST_PP_SEQ_FOR_EACH_I_R</title> 4 <link rel="stylesheet" type="text/css" href="../styles.css"> 5 </head> 6 <body> 7 <div style="margin-left: 0px;"> 8 The <b>BOOST_PP_SEQ_FOR_EACH_I_R</b> macro repeats a macro for each element in 9 a <i>seq</i>. It reenters <b>BOOST_PP_FOR</b> with maximum efficiency. 10 </div> 11 <h4> 12 Usage 13 </h4> 14 <div class="code"> 15 <b>BOOST_PP_SEQ_FOR_EACH_I_R</b>(<i>r</i>, <i>macro</i>, <i>data</i>, <i>seq</i>) 16 </div> 17 <h4> 18 Arguments 19 </h4> 20 <dl> 21 <dt>r</dt> 22 <dd> 23 The next available <b>BOOST_PP_FOR</b> repetition. 24 </dd> 25 <dt>macro</dt> 26 <dd> 27 A macro of the form <i>macro</i>(<i>r</i>, <i>data</i>, <i>i</i>, <i>elem</i>). 28 This macro is expanded by <b>BOOST_PP_SEQ_FOR_EACH_I</b> with each element in <i>seq</i>. 29 It is expanded with the next available <b>BOOST_PP_FOR</b> repetition, the 30 auxiliary <i>data</i>, the index of the current element, and the current 31 element. 32 </dd> 33 <dt>data</dt> 34 <dd> 35 Auxiliary data passed to <i>macro</i>. 36 </dd> 37 <dt>seq</dt> 38 <dd> 39 The <i>seq</i> for which <i>macro</i> will be invoked on each element. 40 </dd> 41 </dl> 42 <h4> 43 Remarks 44 </h4> 45 <div> 46 This macro is a repetition construct. If <i>seq</i> is (<i>a</i>)(<i>b</i>)(<i>c</i>), 47 it expands to the sequence: 48 <div> 49 <i>macro</i>(<i>r</i>, <i>data</i>, <i>0</i>, <i>a</i>) <i>macro</i>(<i>r</i>, <i>data</i>, 50 <i>1</i>, <i>b</i>) <i>macro</i>(<i>r</i>, <i>data</i>, <i>2</i>, <i>c</i>) 51 </div> 52 </div> 53 <h4> 54 See Also 55 </h4> 56 <ul> 57 <li> 58 <a href="seq_for_each_i.html">BOOST_PP_SEQ_FOR_EACH_I</a></li> 59 </ul> 60 <h4> 61 Requirements 62 </h4> 63 <div> 64 <b>Header:</b> <a href="../headers/seq/for_each_i.html"><boost/preprocessor/seq/for_each_i.hpp></a> 65 </div> 66 <hr size="1"> 67 <div style="margin-left: 0px;"> 68 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 69 </br><i>� Copyright Paul Mensonides 2002</i> 70 </div> 71 <div style="margin-left: 0px;"> 72 <p><small>Distributed under the Boost Software License, Version 1.0. (See 73 accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or 74 copy at <a href= 75 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 76 </div> 77 </body> 78</html> 79