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lib cleanup
[SVN r15693]
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doc/ref/array_elem.html
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<html>
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<head>
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<title>BOOST_PP_ARRAY_ELEM</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_ARRAY_ELEM</b> macro extracts an element from a <i>array</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_ARRAY_ELEM</b>(<i>i</i>, <i>array</i>)
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</div>
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<h4>Arguments</h4>
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<dl>
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<dt>i</dt>
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<dd>
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The zero-based index into the <i>array</i> of the element to be extracted.
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</dd>
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<dt>array</dt>
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<dd>
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The <i>array</i> from which an element is to be extracted.
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This <i>array</i> must contain at least <i>i</i> + <i>1</i> elements.
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</dd>
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</dl>
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<h4>Requirements</h4>
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<div>
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<b>Header:</b> <a href="../headers/array/elem.hpp.html"><boost/preprocessor/array/elem.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/array/elem.hpp.html">boost/preprocessor/array/elem.hpp</a>>
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#define ARRAY (4, (a, b, c, d))
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<a href="array_elem.html">BOOST_PP_ARRAY_ELEM</a>(0, ARRAY) // expands to a
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<a href="array_elem.html">BOOST_PP_ARRAY_ELEM</a>(3, ARRAY) // expands to d
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</pre></div>
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</body>
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</html>
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