70 lines
2.2 KiB
HTML
70 lines
2.2 KiB
HTML
<html>
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<head>
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<title>BOOST_PP_LIST_APPEND</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_LIST_APPEND</b> macro appends two <i>lists</i>.
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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_LIST_APPEND</b>(<i>a</i>, <i>b</i>)
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</div>
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<h4>Arguments</h4>
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<dl>
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<dt>a</dt>
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<dd>
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The first <i>list</i>.
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</dd>
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<dt>b</dt>
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<dd>
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The second <i>list</i>.
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</dd>
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</dl>
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<h4>Remarks</h4>
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<div>
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This macro appends two lists.
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For example, if <i>a</i> is (<i>1</i>, (<i>2</i>, (<i>3</i>, <b>BOOST_PP_NIL</b>))) and <i>b</i> is (<i>4</i>, (<i>5</i>, <b>BOOST_PP_NIL</b>)),
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this macro will expand to:
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<div>
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(<i>1</i>, (<i>2</i>, (<i>3</i>, (<i>4</i>, (<i>5</i>, <b>BOOST_PP_NIL</b>)))))
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</div>
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</div>
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<div>
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Previously, this macro could not be used inside <b>BOOST_PP_WHILE</b>.
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There is no longer any such restriction.
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It is more efficient, however, to use <b>BOOST_PP_LIST_APPEND_D</b> in such a situation.
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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="list_append_d.html">BOOST_PP_LIST_APPEND_D</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/list/append.html"><boost/preprocessor/list/append.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/list/append.html">boost/preprocessor/list/append.hpp</a>>
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#define L1 (a, (b, (c, <a href="nil.html">BOOST_PP_NIL</a>)))
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#define L2 (x, (y, (z, <a href="nil.html">BOOST_PP_NIL</a>)))
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<a href="list_append.html">BOOST_PP_LIST_APPEND</a>(L1, L2)
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// expands to (a, (b, (c, (x, (y, (z, <a href="nil.html">BOOST_PP_NIL</a>))))))
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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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