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1 | <html> | |
2 | <head> | |
3 | <title>BOOST_PP_IS_ITERATING</title> | |
4 | <link rel="stylesheet" type="text/css" href="../styles.css"> | |
5 | ||
6 | </head> | |
7 | <body> | |
8 | <div style="margin-left: 0px;"> | |
9 | The <b>BOOST_PP_IS_ITERATING</b> macro is defined when a <i>file-iteration</i> is in progress. | |
10 | </div> | |
11 | <h4>Usage</h4> | |
12 | <div class="code"> | |
13 | #if !defined(<b>BOOST_PP_IS_ITERATING</b>) // ... | |
14 | </div> | |
15 | <h4>Remarks</h4> | |
16 | <div> | |
17 | If a <i>file-iteration</i> is in progress, this macro is defined as <i>1</i>. | |
18 | This means that the following will also work: | |
19 | <div> | |
20 | #if !<b>BOOST_PP_IS_ITERATING</b> // ... | |
21 | </div> | |
22 | </div> | |
23 | <div> | |
24 | This macro is defined to guard a file from infinite inclusion. | |
25 | </div> | |
26 | <hr size="1"> | |
27 | <div style="margin-left: 0px;"> | |
28 |