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| 1 | <html> |
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| 2 | <head> |
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| 3 | <title>BOOST_PP_ITERATION</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_ITERATION</b> macro expands to the iteration value of the current <i>file-iteration</i> depth. |
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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_ITERATION</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 | This macro is only valid when a <i>file-iteration</i> is in progress. |
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| 17 | </div> |
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| 18 | <h4>Requirements</h4> |
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| 19 | <div> |
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| 20 | <b>Header:</b> <a href="../headers/iteration/iterate.html"><boost/preprocessor/iteration/iterate.hpp></a> |
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| 21 | </div> |
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| 22 | <h4>Sample Code</h4> |
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| 23 | <div><pre> |
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| 24 | // file.h |
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| 25 | #if !<a href="is_iterating.html">BOOST_PP_IS_ITERATING</a> |
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| 26 | |
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| 27 | #ifndef FILE_H_ |
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| 28 | #define FILE_H_ |
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| 29 | |
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| 30 | #include <<a href="../headers/iteration/iterate.html">boost/preprocessor/iteration/iterate.hpp</a>> |
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| 31 | |
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| 32 | #define <a href="iteration_params_x.html">BOOST_PP_ITERATION_PARAMS_1</a> (3, (1, 3, "file.h")) |
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| 33 | #include <a href="iterate.html">BOOST_PP_ITERATE</a>() |
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| 34 | |
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| 35 | #endif |
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| 36 | |
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| 37 | #elif <a href="iteration_depth.html">BOOST_PP_ITERATION_DEPTH</a>() == 1 |
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| 38 | |
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| 39 | value == <a href="iteration.html">BOOST_PP_ITERATION</a>() |
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| 40 | |
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| 41 | #endif |
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| 42 | </pre></div> |
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| 43 | </body> |
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| 44 | </html> |
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