49 lines
2.1 KiB
HTML
49 lines
2.1 KiB
HTML
<html>
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<head>
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<meta content="text/html; charset=windows-1252" http-equiv="content-type">
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<title>BOOST_PP_TUPLE_POP_BACK</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;"> The <b>BOOST_PP_TUPLE_POP_BACK</b> macro
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pops an element from the end of an <i>tuple</i>.</div>
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<h4>Usage</h4>
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<div class="code"> <b>BOOST_PP_TUPLE_POP_BACK</b>(<i>tuple</i>) <a href="../topics/variadic_macros.html#VNotation"><sup>(v)</sup></a></div>
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<h4>Arguments</h4>
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<dl>
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<dt>tuple</dt>
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<dd>The <i>tuple</i> to pop an element from.</dd>
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</dl>
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<h4>Remarks</h4>
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<div style="background-color: white;"> This macro returns <i>tuple</i>
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after removing the last element. If <i>tuple</i> has only a single
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element, it remains unchanged since a <i>tuple </i>must have at
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least one element.</div>
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<div> This macro uses <b>BOOST_PP_REPEAT</b> internally. Therefore,
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to use the <i>z</i> parameter passed from other macros that use <b>BOOST_PP_REPEAT</b>,
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see <b>BOOST_PP_TUPLE_POP_BACK_Z</b> </div>
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<h4>See Also</h4>
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<ul>
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<li><a href="tuple_pop_back_z.html">BOOST_PP_TUPLE_POP_BACK_Z</a></li>
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</ul>
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<h4>Requirements</h4>
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<div> <b>Header:</b> <a href="../headers/tuple/pop_back.html"><boost/preprocessor/tuple/pop_back.hpp></a>
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</div>
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<h4>Sample Code</h4>
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<div>
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<pre>#include <<a href="../headers/tuple/pop_back.html">boost/preprocessor/tuple/pop_back.hpp</a>>
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#define TUPLE (a, b, c)
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<a href="tuple_pop_back.html">BOOST_PP_TUPLE_POP_BACK</a>(TUPLE) // expands to (a, b)
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</pre></div>
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<hr size="1">
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<div style="margin-left: 0px;"> <i>© Copyright Edward Diener 2013</i> </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>
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or copy at <a href="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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