68 lines
2.2 KiB
HTML
68 lines
2.2 KiB
HTML
<html>
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<head>
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<title>BOOST_PP_LIST_CAT_D</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_CAT_D</b> macro concatenates all elements in a <i>list</i>.
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It reenters <b>BOOST_PP_WHILE</b> with maximum efficiency.
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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_CAT_D</b>(<i>d</i>, <i>list</i>)
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</div>
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<h4>Arguments</h4>
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<dl>
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<dt>d</dt>
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<dd>
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The next available <b>BOOST_PP_WHILE</b> iteration.
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</dd>
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<dt>list</dt>
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<dd>
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The <i>list</i> whose elements are to be concatenated.
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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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Elements are concatenated left-to-right starting with index <i>0</i>.
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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_cat.html">BOOST_PP_LIST_CAT</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/cat.html"><boost/preprocessor/list/cat.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/cat.html">boost/preprocessor/cat.hpp</a>>
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#include <<a href="../headers/list/cat.html">boost/preprocessor/list/cat.hpp</a>>
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#include <<a href="../headers/list/fold_left.html">boost/preprocessor/list/fold_left.hpp</a>>
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#define LISTS \
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((a, (b, <a href="nil.html">BOOST_PP_NIL</a>)), \
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((c, (d, <a href="nil.html">BOOST_PP_NIL</a>)), \
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((e, (f, <a href="nil.html">BOOST_PP_NIL</a>)), \
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<a href="nil.html">BOOST_PP_NIL</a>))) \
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/**/
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#define OP(d, state, x) <a href="cat.html">BOOST_PP_CAT</a>(state, <a href="list_cat_d.html">BOOST_PP_LIST_CAT_D</a>(d, x))
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<a href="list_fold_left.html">BOOST_PP_LIST_FOLD_LEFT</a>(OP, _, LISTS) // expands to _abcdef
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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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