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31 lines
900 B
HTML
31 lines
900 B
HTML
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<html>
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<head>
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<title>BOOST_PP_NIL</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_NIL</b> identifier is reserved by the library to indicate a non-macro.
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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_NIL</b>
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</div>
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<h4>Remarks</h4>
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<div>
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This identifier is <i>not</i> defined.
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Its purpose is to <i>not be a macro</i>.
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It is also used to terminate a <i>list</i>.
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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/adt.hpp.html">boost/preprocessor/list/adt.hpp</a>>
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#define LIST (x, (y, (z, <a href="nil.html">BOOST_PP_NIL</a>)))
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<a href="list_first.html">BOOST_PP_LIST_FIRST</a>(x) // expands to x
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<a href="list_rest.html">BOOST_PP_LIST_REST</a>(x) // expands to (y, (z, <a href="nil.html">BOOST_PP_NIL</a>))
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</pre></div>
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</body>
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</html>
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