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<a name="phoenix.modules.statement.try__catch__statement"></a><a class="link" href="try__catch__statement.html" title="try_ catch_ Statement">try_
        catch_ Statement</a>
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">phoenix</span><span class="special">/</span><span class="identifier">statement</span><span class="special">/</span><span class="identifier">try_catch</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<p>
          The syntax is:
        </p>
<pre class="programlisting"><span class="identifier">try_</span>
<span class="special">[</span>
    <span class="identifier">sequenced_statements</span>
<span class="special">]</span>
<span class="special">.</span><span class="identifier">catch_</span><span class="special">&lt;</span><span class="identifier">exception_type</span><span class="special">&gt;()</span>
<span class="special">[</span>
    <span class="identifier">sequenced_statements</span>
<span class="special">]</span>
<span class="special">...</span>
<span class="special">.</span><span class="identifier">catch_all</span>
<span class="special">[</span>
    <span class="identifier">sequenced_statement</span>
<span class="special">]</span>
</pre>
<p>
          Note the usual underscore after try and catch, and the extra parentheses
          required after the catch.
        </p>
<p>
          Example: The following code calls the (lazy) function <code class="computeroutput"><span class="identifier">f</span></code>
          for each element, and prints messages about different exception types it
          catches.
        </p>
<pre class="programlisting"><span class="identifier">try_</span>
<span class="special">[</span>
    <span class="identifier">f</span><span class="special">(</span><span class="identifier">arg1</span><span class="special">)</span>
<span class="special">]</span>
<span class="special">.</span><span class="identifier">catch_</span><span class="special">&lt;</span><span class="identifier">runtime_error</span><span class="special">&gt;()</span>
<span class="special">[</span>
    <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">val</span><span class="special">(</span><span class="string">"caught runtime error or derived\n"</span><span class="special">)</span>
<span class="special">]</span>
<span class="special">.</span><span class="identifier">catch_</span><span class="special">&lt;</span><span class="identifier">exception</span><span class="special">&gt;()</span>
<span class="special">[</span>
    <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">val</span><span class="special">(</span><span class="string">"caught exception or derived\n"</span><span class="special">)</span>
<span class="special">]</span>
<span class="special">.</span><span class="identifier">catch_all</span>
<span class="special">[</span>
    <span class="identifier">cout</span> <span class="special">&lt;&lt;</span> <span class="identifier">val</span><span class="special">(</span><span class="string">"caught some other type of exception\n"</span><span class="special">)</span>
<span class="special">]</span>
</pre>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2002-2005, 2010 Joel de Guzman, Dan Marsden, Thomas Heller<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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Summary ✨

This HTML code generates a documentation page for the try-catch statement in C++. It displays the syntax, example usage, and copyright information for the Boost C++ Libraries. The page includes navigation links to related sections and a table of contents. The content is presented in a readable format with proper formatting and styling.

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