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90 lines
3.3 KiB
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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<title>Boost.Preprocessor - Reference</title>
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<body bgcolor="#FFFFFF" link="#0000ff" vlink="#800080">
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<table border="0" cellpadding="7" cellspacing="0" width="100%" summary=
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"header">
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<tr>
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<td valign="top" width="300">
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<h3><a href="../../../../index.htm"><img height="86" width="277" alt="C++ Boost" src="../../../../c++boost.gif" border="0"></a></h3>
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</td>
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<td valign="top">
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<h1 align="center">Boost.Preprocessor</h1>
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<h2 align="center">Reference</h2>
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</tr>
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</table>
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<hr>
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<a href="list_fold_right_2nd.htm">Prev</a> <a href="list_for_each_i.htm">Next</a> <a href="index.htm#Macros">Macros</a> <a href="index.htm#Headers">Headers</a>
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<h1>#include <<a href="../../../../boost/preprocessor/list/for_each.hpp">boost/preprocessor/list/for_each.hpp</a>></h1>
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<hr>
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<h2><a name="BOOST_PP_LIST_FOR_EACH">#define BOOST_PP_LIST_FOR_EACH</a>(MACRO,DATA,LIST)</h2>
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<p>Repeats <code>MACRO(R,DATA,<a href="list_at.htm#BOOST_PP_LIST_AT">BOOST_PP_LIST_AT</a>(LIST,INDEX))</code> for each INDEX = [0,
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<a href="list_size.htm#BOOST_PP_LIST_SIZE">BOOST_PP_LIST_SIZE</a>(LIST)).</p>
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<p>In other words, expands to the sequence:</p>
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<pre>
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MACRO(R,DATA,<a href="list_at.htm#BOOST_PP_LIST_AT">BOOST_PP_LIST_AT</a>(LIST,0))
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MACRO(R,DATA,<a href="list_at.htm#BOOST_PP_LIST_AT">BOOST_PP_LIST_AT</a>(LIST,1))
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...
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MACRO(R,DATA,<a href="list_at.htm#BOOST_PP_LIST_AT">BOOST_PP_LIST_AT</a>(LIST,<a href="dec.htm#BOOST_PP_DEC">BOOST_PP_DEC</a>(<a href="list_size.htm#BOOST_PP_LIST_SIZE">BOOST_PP_LIST_SIZE</a>(LIST))))
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</pre>
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<p>For example,</p>
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<pre>
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#define TEST(R,DATA,X) <a href="cat.htm#BOOST_PP_CAT">BOOST_PP_CAT</a>(DATA,X)();
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<a href="list_for_each.htm#BOOST_PP_LIST_FOR_EACH">BOOST_PP_LIST_FOR_EACH</a>(TEST,prefix_,<a href="tuple_to_list.htm#BOOST_PP_TUPLE_TO_LIST">BOOST_PP_TUPLE_TO_LIST</a>(3,(A,B,C)))
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</pre>
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<p>expands to:</p>
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<pre>
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prefix_A(); prefix_B(); prefix_C();
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</pre>
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<h3>Example</h3>
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<ul>
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<li><a href="../../example/catch_builtin.cpp">catch_builtin.cpp</a></li>
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</ul>
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<h3>Uses</h3>
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<ul>
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<li><a href="for.htm#BOOST_PP_FOR">BOOST_PP_FOR</a>() (see for explanation of the R parameter)</li>
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<li><a href="list_for_each_i.htm#BOOST_PP_LIST_FOR_EACH_I">BOOST_PP_LIST_FOR_EACH_I</a>() </li>
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</ul>
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<h3>Test</h3>
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<ul>
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<li><a href="../../test/list_test.cpp">list_test.cpp</a></li>
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</ul>
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<hr>
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<h2><a name="BOOST_PP_LIST_FOR_EACH_R">#define BOOST_PP_LIST_FOR_EACH_R</a>(R,MACRO,DATA,LIST)</h2>
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<p>Can be used inside <a href="for.htm#BOOST_PP_FOR">BOOST_PP_FOR</a>().</p>
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<hr>
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<a href="list_fold_right_2nd.htm">Prev</a> <a href="list_for_each_i.htm">Next</a> <a href="index.htm#Macros">Macros</a> <a href="index.htm#Headers">Headers</a>
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<hr>
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<p>Revised <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %b %Y" startspan --><!--webbot bot="Timestamp" endspan i-checksum="15246" --></p>
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<p><i>© Copyright <a href="http://www.housemarque.com">Housemarque Oy</a> 2002</i></p>
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<p><i>Permission to copy, use, modify, sell and distribute this document is granted
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provided this copyright notice appears in all copies. This document is provided
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"as is" without express or implied warranty, and with no claim as to its suitability
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for any purpose.</i></p>
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</body></html>
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