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| <h2><span class="refentrytitle">Macro BOOST_SCOPE_EXIT_END_ID</span></h2> |
| <p>BOOST_SCOPE_EXIT_END_ID — This macro allows to terminate multiple scope exit bodies on the same line. </p> |
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| <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
| <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="reference.html#header.boost.scope_exit_hpp" title="Header <boost/scope_exit.hpp>">boost/scope_exit.hpp</a>> |
| |
| </span>BOOST_SCOPE_EXIT_END_ID(id)</pre></div> |
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| <a name="id839503"></a><h2>Description</h2> |
| <p>This macro is equivalent to <code class="computeroutput"><a class="link" href="BOOST_SCOPE_EXIT_END.html" title="Macro BOOST_SCOPE_EXIT_END">BOOST_SCOPE_EXIT_END</a></code> but it can be expanded multiple times on the same line if different identifiers <code class="computeroutput">id</code> are provided for each expansion (see <code class="computeroutput"><a class="link" href="BOOST_SCOPE_EXIT_END.html" title="Macro BOOST_SCOPE_EXIT_END">BOOST_SCOPE_EXIT_END</a></code> for more information).</p> |
| <p><span class="bold"><strong>Parameters:</strong></span> </p> |
| <div class="informaltable"><table class="table"> |
| <colgroup> |
| <col> |
| <col> |
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| <td><span class="bold"><strong><code class="computeroutput">id</code></strong></span></td> |
| <td>A unique identifier token which can be concatenated by the preprocessor (<code class="computeroutput">__LINE__</code>, <code class="computeroutput">scope_exit_number_1_on_line_123</code>, a combination of alphanumeric tokens, etc). </td> |
| </tr></tbody> |
| </table></div> |
| <p> |
| </p> |
| <p><span class="bold"><strong>Note:</strong></span> This macro can be useful when the scope exit macros are expanded within user-defined macros (because macros all expand on the same line). On some compilers (e.g., MSVC which supports the non standard <code class="computeroutput">__COUNTER__</code> macro) it might not be necessary to use this macro but the use of this macro is always necessary to ensure portability when expanding multiple scope exit macros on the same line (because this library can only portably use <code class="computeroutput">__LINE__</code> to internally generate unique identifiers).</p> |
| <p><span class="bold"><strong>See:</strong></span> <code class="computeroutput"><a class="link" href="BOOST_SCOPE_EXIT_ID.html" title="Macro BOOST_SCOPE_EXIT_ID">BOOST_SCOPE_EXIT_ID</a></code>, <code class="computeroutput"><a class="link" href="BOOST_SCOPE_EXIT_ID_TPL.html" title="Macro BOOST_SCOPE_EXIT_ID_TPL">BOOST_SCOPE_EXIT_ID_TPL</a></code>, <code class="computeroutput"><a class="link" href="BOOST_SCOPE_EXIT_END.html" title="Macro BOOST_SCOPE_EXIT_END">BOOST_SCOPE_EXIT_END</a></code>. </p> |
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| <td align="right"><div class="copyright-footer">Copyright © 2006-2012 Alexander Nasonov, Lorenzo Caminiti<p> |
| Distributed under the Boost Software License, Version 1.0 (see accompanying |
| file LICENSE_1_0.txt or a copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) |
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