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<head>
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<title>BOOST_PP_SEQ_REPLACE</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_SEQ_REPLACE</b> macro replaces an element in a <i>seq</i>.
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</div>
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<h4>
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Usage
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</h4>
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<div class="code">
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<b>BOOST_PP_SEQ_RPLACE</b>(<i>seq</i>, <i>i</i>, <i>elem</i>)
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</div>
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<h4>
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Arguments
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</h4>
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<dl>
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<dt>seq</dt>
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<dd>
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The <i>seq</i> in which an element is to be replaced.
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</dd>
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<dt>i</dt>
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<dd>
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The zero-based position in <i>seq</i> of the element to be replaced.
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Valid values range from <i>0</i> to <b>BOOST_PP_SEQ_SIZE</b>(<i>seq</i>) - <i>1</i>.
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</dd>
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<dt>elem</dt>
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<dd>
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The element to replace the element at index <i>i</i> within <i>seq</i>.
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</dd>
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</dl>
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<h4>
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Remarks
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</h4>
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<div>
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This macro returns <i>seq</i> after replacing the element at index <i>i</i> with
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<i>elem</i>.
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</div>
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<h4>
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Requirements
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</h4>
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<div>
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<b>Header:</b> <a href="../headers/seq/replace.hpp.html"><boost/preprocessor/seq/replace.hpp></a>
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</div>
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<h4>
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Sample Code
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</h4>
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<div>
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<pre>
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#include <<a href="../headers/seq/replace.hpp.html">boost/preprocessor/seq/replace.hpp</a>>
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#define SEQ (a)(b)(x)(d)
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<a href="seq_replace.html">BOOST_PP_SEQ_REPLACE</a>(SEQ, 2, c) // expands to (a)(b)(c)(d)
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</pre>
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</div>
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</body>
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2002-10-13 05:47:23 +00:00
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</html>
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