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| 1 | <html> |
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| 2 | <head> |
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| 3 | <title>BOOST_PP_RPAREN</title> |
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| 4 | <link rel="stylesheet" type="text/css" href="../styles.css"> |
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| 5 | </head> |
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| 6 | <body> |
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| 7 | <div style="margin-left: 0px;"> |
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| 8 | The <b>BOOST_PP_RPAREN</b> macro expands to a right parenthesis. |
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| 9 | </div> |
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| 10 | <h4>Usage</h4> |
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| 11 | <div class="code"> |
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| 12 | <b>BOOST_PP_RPAREN</b>() |
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| 13 | </div> |
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| 14 | <h4>Remarks</h4> |
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| 15 | <div> |
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| 16 | The preprocessor interprets parentheses as delimiters in macro invocations. |
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| 17 | Because of this, parentheses require special handling. |
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| 18 | </div> |
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| 19 | <h4>See Also</h4> |
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| 20 | <ul> |
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| 21 | <li><a href="lparen.html">BOOST_PP_LPAREN</a></li> |
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| 22 | </ul> |
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| 23 | <h4>Requirements</h4> |
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| 24 | <div> |
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| 25 | <b>Header:</b> <a href="../headers/punctuation/paren.html"><boost/preprocessor/punctuation/paren.hpp></a> |
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| 26 | </div> |
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| 27 | <h4>Sample Code</h4> |
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| 28 | <div><pre> |
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| 29 | #include <<a href="../headers/facilities/empty.html">boost/preprocessor/facilities/empty.hpp</a>> |
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| 30 | #include <<a href="../headers/punctuation/paren.html">boost/preprocessor/punctuation/paren.hpp</a>> |
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| 31 | |
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| 32 | #define X(x) x |
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| 33 | #define MACRO(x, p) X ( x p |
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| 34 | |
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| 35 | MACRO(abc, <a href="rparen.html">BOOST_PP_RPAREN</a>()) // expands to abc |
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| 36 | |
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| 37 | #define Y(x) |
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| 38 | |
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| 39 | MACRO(<a href="empty.html">BOOST_PP_EMPTY</a> <a href="rparen.html">BOOST_PP_RPAREN</a>()(), 10) // expands to 10 |
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| 40 | </pre></div> |
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| 41 | </body> |
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| 42 | </html> |
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