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preprocessor/doc/ref/array_pop_back.html
Paul Mensonides b2bd498a4f extended array support
[SVN r15747]
2002-10-06 02:37:37 +00:00

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<title>BOOST_PP_ARRAY_POP_BACK</title>
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The <b>BOOST_PP_ARRAY_POP_BACK</b> macro pops an element from the end of an <i>array</i>.
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<h4>Usage</h4>
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<b>BOOST_PP_ARRAY_POP_BACK</b>(<i>array</i>)
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<h4>Arguments</h4>
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<dt>array</dt>
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The <i>array</i> to pop an element from.
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<h4>Remarks</h4>
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This macro returns <i>array</i> after removing the last element.&nbsp;
If <i>array</i> has no elements, the result of applying this macro is undefined.
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This macro uses <b>BOOST_PP_REPEAT</b> internally.&nbsp;
Therefore, to use the <i>z</i> parameter passed from other macros that use
<b>BOOST_PP_REPEAT</b>, see <b>BOOST_PP_ARRAY_POP_BACK_Z</b>
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<h4>See Also</h4>
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<li><a href="array_pop_back_z.html">BOOST_PP_ARRAY_POP_BACK_Z</a></li>
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<h4>Requirements</h4>
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<b>Header:</b> &nbsp;<a href="../headers/array/pop_back.hpp.html">&lt;boost/preprocessor/array/pop_back.hpp&gt;</a>
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<h4>Sample Code</h4>
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#include &lt;<a href="../headers/array/pop_back.hpp.html">boost/preprocessor/array/pop_back.hpp</a>&gt;
#define ARRAY (3, (a, b, c))
<a href="array_pop_back.html">BOOST_PP_ARRAY_POP_BACK</a>(ARRAY) // expands to (2, (a, b))
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