| 1 | <html> | 
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| 2 | <head> | 
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| 3 | <title>BOOST_PP_SLOT</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_SLOT</b> macro retrieves a value previously evaluated by <b>BOOST_PP_ASSIGN_SLOT</b>. | 
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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_SLOT</b>(<i>i</i>) | 
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| 13 | </div> | 
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| 14 | <h4>Arguments</h4> | 
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| 15 | <dl> | 
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| 16 | <dt>i</dt> | 
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| 17 | <dd> | 
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| 18 | The <i>slot</i> index to be retrieved.  | 
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| 19 | This value must be in the range of <i>1</i> to <b>BOOST_PP_LIMIT_SLOT_COUNT</b>. | 
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| 20 | </dd> | 
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| 21 | </dl> | 
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| 22 | <h4>Remarks</h4> | 
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| 23 | <div> | 
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| 24 | Prior to use, the <i>slot</i> at index <i>i</i> must have been assigned with <b>BOOST_PP_ASSIGN_SLOT</b>. | 
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| 25 | </div> | 
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| 26 | <h4>See Also</h4> | 
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| 27 | <ul> | 
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| 28 | <li><a href="assign_slot.html">BOOST_PP_ASSIGN_SLOT</a></li> | 
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| 29 | <li><a href="limit_slot_count.html">BOOST_PP_LIMIT_SLOT_COUNT</a></li> | 
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| 30 | </ul> | 
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| 31 | <h4>Requirements</h4> | 
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| 32 | <div> | 
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| 33 | <b>Header:</b>  <a href="../headers/slot/slot.html"><boost/preprocessor/slot/slot.hpp></a> | 
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| 34 | </div> | 
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| 35 | <h4>Sample Code</h4> | 
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| 36 | <div><pre> | 
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| 37 | #include <<a href="../headers/slot/slot.html">boost/preprocessor/slot/slot.hpp</a>> | 
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| 38 |  | 
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| 39 | #define X() 4 | 
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| 40 |  | 
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| 41 | #define <a href="value.html">BOOST_PP_VALUE</a> 1 + 2 + 3 + X() | 
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| 42 | #include <a href="assign_slot.html">BOOST_PP_ASSIGN_SLOT</a>(1) | 
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| 43 |  | 
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| 44 | #undef X | 
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| 45 |  | 
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| 46 | <a href="slot.html">BOOST_PP_SLOT</a>(1) // expands to 10 | 
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| 47 | </pre></div> | 
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| 48 | <hr size="1"> | 
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| 49 | <div style="margin-left: 0px;"> | 
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| 50 | <i>© Copyright <a href="http://www.housemarque.com" target="_top">Housemarque Oy</a> 2002</i> | 
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| 51 | </br><i>© Copyright Paul Mensonides 2002</i> | 
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| 52 | </div> | 
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| 53 | <div style="margin-left: 0px;"> | 
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| 54 | <p><small>Distributed under the Boost Software License, Version 1.0. (See | 
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| 55 | accompanying file <a href="../../../../LICENSE_1_0.txt">LICENSE_1_0.txt</a> or | 
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| 56 | copy at <a href= | 
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| 57 | "http://www.boost.org/LICENSE_1_0.txt">www.boost.org/LICENSE_1_0.txt</a>)</small></p> | 
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| 58 | </div> | 
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| 59 | </body> | 
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| 60 | </html> | 
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