1<html> 2<head> 3 <title>BOOST_PP_INTERCEPT</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_INTERCEPT</b> macro intercepts a numeric concatenation and expands to nothing. 9 </div> 10 <h4>Usage</h4> 11 <div class="code"> 12 <b>BOOST_PP_INTERCEPT</b> 13 </div> 14 <h4>Remarks</h4> 15 <div> 16 This macro is used to intercept concatenations performed by various other library constructs. 17 It is typically used after other text to prevent eat the concatenation expand to nothing. 18 This macro can only intercept integer constants in the range of <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>. 19 </div> 20 <h4>See Also</h4> 21 <ul> 22 <li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li> 23 </ul> 24 <h4>Requirements</h4> 25 <div> 26 <b>Header:</b> <a href="../headers/facilities/intercept.html"><boost/preprocessor/facilities/intercept.hpp></a> 27 </div> 28 <h4>Sample Code</h4> 29<div><pre> 30#include <<a href="../headers/facilities/intercept.html">boost/preprocessor/facilities/intercept.hpp</a>> 31#include <<a href="../headers/repetition/enum_binary_params.html">boost/preprocessor/repetition/enum_binary_params.hpp</a>> 32 33<a href="enum_binary_params.html">BOOST_PP_ENUM_BINARY_PARAMS</a>(3, class T, = U) 34// expands to class T0 = U0, class T1 = U1, class T2 = U2 35 36<a href="enum_binary_params.html">BOOST_PP_ENUM_BINARY_PARAMS</a>(3, class T, = int <a href="intercept.html">BOOST_PP_INTERCEPT</a>) 37// expands to class T0 = int, class T1 = int, class T2 = int 38</pre></div> 39 <hr size="1"> 40 <div style="margin-left: 0px;"> 41 <i>� Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> 42 </br><i>� Copyright Paul Mensonides 2002</i> 43 </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> or 47 copy at <a href= 48 "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> 49 </div> 50</body> 51</html> 52