preprocessor/doc/reference/elem_8hpp.html

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<hr><h1>elem.hpp File Reference</h1><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Defines</h2></td></tr>
<tr><td nowrap align=right valign=top>#define&nbsp;</td><td valign=bottom><a class="el" href="elem_8hpp.html#a0">BOOST_PP_TUPLE_ELEM</a>(N, I, T)</td></tr>
<tr><td>&nbsp;</td><td><font size=-1><em>Expands to the I:th element of an N-tuple.</em> <a href="#a0">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>#define&nbsp;</td><td valign=bottom><a class="el" href="elem_8hpp.html#a1">BOOST_PREPROCESSOR_TUPLE_ELEM</a>(N, I, T)</td></tr>
<tr><td>&nbsp;</td><td><font size=-1><em>Obsolete. Use <a class="el" href="elem_8hpp.html#a0">BOOST_PP_TUPLE_ELEM</a>().</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
 <a href="../../../../boost/preprocessor/tuple/elem.hpp">Click here to see the header.</a>
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<hr><h2>Define Documentation</h2>
<a name="a0" doxytag="elem.hpp::BOOST_PP_TUPLE_ELEM"></a><p>
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          <td class="md" nowrap valign="top"> #define BOOST_PP_TUPLE_ELEM</td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">N,         <tr>
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<p>
Expands to the I:th element of an N-tuple.
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For example,
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<pre><div class="fragment"><pre>
  BOOST_PP_TUPLE_ELEM(2,1,(A,B))
</pre></div></pre>
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expands to B.
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Tuples can be used for representing structured data.
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Examples of tuples:
<p>
<pre><div class="fragment"><pre>
  2-tuple: (A, B)
  3-tuple: (1, 2, 3)
  4-tuple: (A B C, D, EF, 34)
</pre></div></pre>
<p>
See BOOST_PP_LIMIT_TUPLE.     </td>
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<a name="a1" doxytag="elem.hpp::BOOST_PREPROCESSOR_TUPLE_ELEM"></a><p>
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          <td class="md" nowrap valign="top"> #define BOOST_PREPROCESSOR_TUPLE_ELEM</td>
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<p>
Obsolete. Use <a class="el" href="elem_8hpp.html#a0">BOOST_PP_TUPLE_ELEM</a>().
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