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<div class="navpath"><a class="el" href="a00256.html">frepple</a>::<a class="el" href="a00257.html">utils</a>::<a class="el" href="a00119.html">NonCopyable</a>
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<div class="contents">
<h1>frepple::utils::NonCopyable Class Reference</h1><!-- doxytag: class="frepple::utils::NonCopyable" -->
<p>Class <a class="el" href="a00119.html" title="Class NonCopyable is a base class. Derive your own class from it when you want to...">NonCopyable</a> is a base class.<br/>
Derive your own class from it when you want to prohibit copy construction and copy assignment.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="a00252_source.html">utils.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for frepple::utils::NonCopyable:</div>
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<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="a00609.html">List of all members.</a></p>
<table border="0" cellpadding="0" cellspacing="0">
<tr><td colspan="2"><h2>Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00119.html#a380562aa2d46d7bdee0a3f25b7edb124">NonCopyable</a> ()</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00119.html#aa47bd7812a996c15c1e58d22fbf16e30">~NonCopyable</a> ()</td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<p>Class <a class="el" href="a00119.html" title="Class NonCopyable is a base class. Derive your own class from it when you want to...">NonCopyable</a> is a base class.<br/>
Derive your own class from it when you want to prohibit copy construction and copy assignment. </p>
<p>Some objects, particularly those which hold complex resources like files or network connections, have no sensible copy semantics. Sometimes there are possible copy semantics, but these would be of very limited usefulness and be very difficult to implement correctly. Sometimes you're implementing a class that doesn't need to be copied just yet and you don't want to take the time to write the appropriate functions. Deriving from noncopyable will prevent the otherwise implicitly-generated functions (which don't have the proper semantics) from becoming a trap for other programmers.<br/>
The traditional way to deal with these is to declare a private copy constructor and copy assignment, and then document why this is done. But deriving from <a class="el" href="a00119.html" title="Class NonCopyable is a base class. Derive your own class from it when you want to...">NonCopyable</a> is simpler and clearer, and doesn't require additional documentation. </p>
<p>Definition at line <a class="el" href="a00252_source.html#l00600">600</a> of file <a class="el" href="a00252_source.html">utils.h</a>.</p>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a380562aa2d46d7bdee0a3f25b7edb124"></a><!-- doxytag: member="frepple::utils::NonCopyable::NonCopyable" ref="a380562aa2d46d7bdee0a3f25b7edb124" args="()" -->
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<td class="memname">frepple::utils::NonCopyable::NonCopyable </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [inline, protected]</code></td>
</tr>
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<div class="memdoc">
<p>Definition at line <a class="el" href="a00252_source.html#l00603">603</a> of file <a class="el" href="a00252_source.html">utils.h</a>.</p>
</div>
</div>
<a class="anchor" id="aa47bd7812a996c15c1e58d22fbf16e30"></a><!-- doxytag: member="frepple::utils::NonCopyable::~NonCopyable" ref="aa47bd7812a996c15c1e58d22fbf16e30" args="()" -->
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<td class="memname">frepple::utils::NonCopyable::~NonCopyable </td>
<td>(</td>
<td class="paramname"></td>
<td> ) </td>
<td><code> [inline, protected]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Definition at line <a class="el" href="a00252_source.html#l00604">604</a> of file <a class="el" href="a00252_source.html">utils.h</a>.</p>
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</div>
<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a00252_source.html">utils.h</a></li>
</ul>
</div>
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