52 lines
2.0 KiB
HTML
52 lines
2.0 KiB
HTML
<html>
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<head>
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<title>BOOST_PP_INTERCEPT</title>
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<link rel="stylesheet" type="text/css" href="../styles.css">
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</head>
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<body>
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<div style="margin-left: 0px;">
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The <b>BOOST_PP_INTERCEPT</b> macro intercepts a numeric concatenation and expands to nothing.
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</div>
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<h4>Usage</h4>
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<div class="code">
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<b>BOOST_PP_INTERCEPT</b>
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</div>
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<h4>Remarks</h4>
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<div>
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This macro is used to intercept concatenations performed by various other library constructs.
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It is typically used after other text to prevent eat the concatenation expand to nothing.
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This macro can only intercept integer constants in the range of <i>0</i> to <b>BOOST_PP_LIMIT_MAG</b>.
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</div>
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<h4>See Also</h4>
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<ul>
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<li><a href="limit_mag.html">BOOST_PP_LIMIT_MAG</a></li>
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</ul>
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<h4>Requirements</h4>
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<div>
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<b>Header:</b> <a href="../headers/facilities/intercept.html"><boost/preprocessor/facilities/intercept.hpp></a>
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</div>
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<h4>Sample Code</h4>
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<div><pre>
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#include <<a href="../headers/facilities/intercept.html">boost/preprocessor/facilities/intercept.hpp</a>>
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#include <<a href="../headers/repetition/enum_binary_params.html">boost/preprocessor/repetition/enum_binary_params.hpp</a>>
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<a href="enum_binary_params.html">BOOST_PP_ENUM_BINARY_PARAMS</a>(3, class T, = U)
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// expands to class T0 = U0, class T1 = U1, class T2 = U2
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<a href="enum_binary_params.html">BOOST_PP_ENUM_BINARY_PARAMS</a>(3, class T, = int <a href="intercept.html">BOOST_PP_INTERCEPT</a>)
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// expands to class T0 = int, class T1 = int, class T2 = int
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</pre></div>
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<hr size="1">
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<div style="margin-left: 0px;">
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<i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i>
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</br><i>© Copyright Paul Mensonides 2002</i>
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</div>
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<div style="margin-left: 0px;">
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<p><small>Distributed under the Boost Software License, Version 1.0. (See
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accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or
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copy at <a href=
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"http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p>
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</div>
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</body>
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</html>
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