45 lines
2.2 KiB
HTML
45 lines
2.2 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_REMOVE_PARENS</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_REMOVE_PAREN</b>S macro
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removes the beginning parenthesis, if it exists, from the input data and
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expands to the result</div>
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<h4>Usage</h4>
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<div class="code"> <b>BOOST_PP_REMOVE_PARENS</b>(param) <a href="../topics/variadic_macros.html#VNotation"
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target="_self"><sup>(v)</sup></a></div>
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<h4>Arguments <span style="font-weight: normal;"></span></h4>
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<h4><span style="font-weight: normal;"> param</span>
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<span style="font-weight: normal;">
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The input data.</span></h4>
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<h4>Remarks</h4>
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<div> If the input begins with a parenthesis, with any data within that
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parenthesis, the macro removes the parenthesis and expands to the result.
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If the input does not begin with a parenthesis the macro expands to the
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input.<br>
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</div>
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<h4>See Also</h4>
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<ul>
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<li><a href="is_begin_parens.html">BOOST_PP_IS_BEGIN_PARENS</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/punctuation/remove_parens.html"><boost/preprocessor/punctuation/remove_parens.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/punctuation/remove_parens.html">boost/preprocessor/punctuation/remove_parens.hpp</a>><br><br>#define DATA data<br>#define DATAP ( data ) more_data<br><br>BOOST_PP_REMOVE_PARENS(DATA) // expands to 'data'
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BOOST_PP_REMOVE_PARENS(DATAP) // expands to 'data more_data'<br>
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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 2014</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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