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| <h2><span class="refentrytitle">Class template exception_handler</span></h2> |
| <p>boost::log::exception_handler</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="../../utilities.html#header.boost.log.utility.exception_handler_hpp" title="Header <boost/log/utility/exception_handler.hpp>">boost/log/utility/exception_handler.hpp</a>> |
| |
| </span><span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> SequenceT<span class="special">,</span> <span class="keyword">typename</span> HandlerT<span class="special">></span> |
| <span class="keyword">class</span> <a class="link" href="exception_handler.html" title="Class template exception_handler">exception_handler</a> <span class="special">{</span> |
| <span class="keyword">public</span><span class="special">:</span> |
| <span class="comment">// types</span> |
| <span class="keyword">typedef</span> <span class="identifier">HandlerT</span> <a name="boost.log.exception_handler.handler_type"></a><span class="identifier">handler_type</span><span class="special">;</span> <span class="comment">// The exception handler type. </span> |
| <span class="keyword">typedef</span> <span class="keyword">void</span> <a name="boost.log.exception_handler.result_type"></a><span class="identifier">result_type</span><span class="special">;</span> <span class="comment">// The handler result type. </span> |
| |
| <span class="comment">// <a class="link" href="exception_handler.html#boost.log.exception_handlerconstruct-copy-destruct">construct/copy/destruct</a></span> |
| <span class="keyword">explicit</span> <a class="link" href="exception_handler.html#idp41160752-bb"><span class="identifier">exception_handler</span></a><span class="special">(</span><span class="identifier">handler_type</span> <span class="keyword">const</span> <span class="special">&</span><span class="special">)</span><span class="special">;</span> |
| |
| <span class="comment">// <a class="link" href="exception_handler.html#idp41157216-bb">public member functions</a></span> |
| <span class="keyword">void</span> <a class="link" href="exception_handler.html#idp41157776-bb"><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span></a><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="idp127531072"></a><h2>Description</h2> |
| <p>An exception handler functional object. The handler aggregates a user-defined functional object that will be called when one of the specified exception types is caught. </p> |
| <div class="refsect2"> |
| <a name="idp127531936"></a><h3> |
| <a name="boost.log.exception_handlerconstruct-copy-destruct"></a><code class="computeroutput">exception_handler</code> |
| public |
| construct/copy/destruct</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> |
| <pre class="literallayout"><span class="keyword">explicit</span> <a name="idp41160752-bb"></a><span class="identifier">exception_handler</span><span class="special">(</span><span class="identifier">handler_type</span> <span class="keyword">const</span> <span class="special">&</span> handler<span class="special">)</span><span class="special">;</span></pre> |
| <p>Initializing constructor. Creates an exception handler with the specified function object that will receive the exception. </p> |
| </li></ol></div> |
| </div> |
| <div class="refsect2"> |
| <a name="idp127541056"></a><h3> |
| <a name="idp41157216-bb"></a><code class="computeroutput">exception_handler</code> public member functions</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"><li class="listitem"> |
| <pre class="literallayout"><span class="keyword">void</span> <a name="idp41157776-bb"></a><span class="keyword">operator</span><span class="special">(</span><span class="special">)</span><span class="special">(</span><span class="special">)</span> <span class="keyword">const</span><span class="special">;</span></pre> |
| <p>Exception launcher. Rethrows the current exception in order to detect its type and pass it to the aggregated function object.</p> |
| <div class="note"><table border="0" summary="Note"> |
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| <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../doc/src/images/note.png"></td> |
| <th align="left">Note</th> |
| </tr> |
| <tr><td align="left" valign="top"><p>Must be called from within a <code class="computeroutput">catch</code> statement. </p></td></tr> |
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| </p> |
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| <td align="right"><div class="copyright-footer">Copyright © 2007-2015 Andrey |
| Semashev<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| file LICENSE_1_0.txt or 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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