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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<li class="navelem"><b>sf</b></li><li class="navelem"><a class="el" href="classsf_1_1NonCopyable.htm">NonCopyable</a></li>  </ul>
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<a href="#pro-methods">Protected Member Functions</a> |
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<div class="title">sf::NonCopyable Class Reference<div class="ingroups"><a class="el" href="group__system.htm">System module</a></div></div>  </div>
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<p>Utility class that makes any derived class non-copyable. 
 <a href="classsf_1_1NonCopyable.htm#details">More...</a></p>
 
<p><code>#include <<a class="el" href="NonCopyable_8hpp_source.htm">NonCopyable.hpp</a>></code></p>
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Inheritance diagram for sf::NonCopyable:</div>
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  <img src="classsf_1_1NonCopyable.png" usemap="#sf::NonCopyable_map" alt=""/>
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<area href="classsf_1_1Context.htm" title="Class holding a valid drawing context." alt="sf::Context" shape="rect" coords="115,56,220,80"/>
<area href="classsf_1_1Ftp.htm" title="A FTP client." alt="sf::Ftp" shape="rect" coords="115,112,220,136"/>
<area href="classsf_1_1Http.htm" title="A HTTP client." alt="sf::Http" shape="rect" coords="115,168,220,192"/>
<area href="classsf_1_1Lock.htm" title="Automatic wrapper for locking and unlocking mutexes." alt="sf::Lock" shape="rect" coords="115,224,220,248"/>
<area href="classsf_1_1Mutex.htm" title="Blocks concurrent access to shared resources from multiple threads." alt="sf::Mutex" shape="rect" coords="115,280,220,304"/>
<area href="classsf_1_1RenderTarget.htm" title="Base class for all render targets (window, texture, ...)" alt="sf::RenderTarget" shape="rect" coords="115,336,220,360"/>
<area href="classsf_1_1Shader.htm" title="Shader class (vertex and fragment)" alt="sf::Shader" shape="rect" coords="115,392,220,416"/>
<area href="classsf_1_1Socket.htm" title="Base class for all the socket types." alt="sf::Socket" shape="rect" coords="115,448,220,472"/>
<area href="classsf_1_1Thread.htm" title="Utility class to manipulate threads." alt="sf::Thread" shape="rect" coords="115,504,220,528"/>
<area href="classsf_1_1ThreadLocal.htm" title="Defines variables with thread-local storage." alt="sf::ThreadLocal" shape="rect" coords="115,560,220,584"/>
<area href="classsf_1_1Window.htm" title="Window that serves as a target for OpenGL rendering." alt="sf::Window" shape="rect" coords="115,616,220,640"/>
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Protected Member Functions</h2></td></tr>
<tr class="memitem:a2110add170580fdb946f887719da6860"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classsf_1_1NonCopyable.htm#a2110add170580fdb946f887719da6860">NonCopyable</a> ()</td></tr>
<tr class="memdesc:a2110add170580fdb946f887719da6860"><td class="mdescLeft"> </td><td class="mdescRight">Default constructor.  <a href="#a2110add170580fdb946f887719da6860"></a><br/></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Utility class that makes any derived class non-copyable. </p>
<p>This class makes its instances non-copyable, by explicitely disabling its copy constructor and its assignment operator.</p>
<p>To create a non-copyable class, simply inherit from <a class="el" href="classsf_1_1NonCopyable.htm" title="Utility class that makes any derived class non-copyable.">sf::NonCopyable</a>.</p>
<p>The type of inheritance (public or private) doesn't matter, the copy constructor and assignment operator are declared private in <a class="el" href="classsf_1_1NonCopyable.htm" title="Utility class that makes any derived class non-copyable.">sf::NonCopyable</a> so they will end up being inaccessible in both cases. Thus you can use a shorter syntax for inheriting from it (see below).</p>
<p>Usage example: </p>
<div class="fragment"><div class="line"><span class="keyword">class </span>MyNonCopyableClass : <a class="code" href="classsf_1_1NonCopyable.htm" title="Utility class that makes any derived class non-copyable.">sf::NonCopyable</a></div>
<div class="line">{</div>
<div class="line">    ...</div>
<div class="line">};</div>
</div><!-- fragment --><p>Deciding whether the instances of a class can be copied or not is a very important design choice. You are strongly encouraged to think about it before writing a class, and to use <a class="el" href="classsf_1_1NonCopyable.htm" title="Utility class that makes any derived class non-copyable.">sf::NonCopyable</a> when necessary to prevent many potential future errors when using it. This is also a very important indication to users of your class. </p>
 
<p>Definition at line <a class="el" href="NonCopyable_8hpp_source.htm#l00041">41</a> of file <a class="el" href="NonCopyable_8hpp_source.htm">NonCopyable.hpp</a>.</p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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          <td class="memname">sf::NonCopyable::NonCopyable </td>
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<p>Default constructor. </p>
<p>Because this class has a copy constructor, the compiler will not automatically generate the default constructor. That's why we must define it explicitely. </p>
 
<p>Definition at line <a class="el" href="NonCopyable_8hpp_source.htm#l00053">53</a> of file <a class="el" href="NonCopyable_8hpp_source.htm">NonCopyable.hpp</a>.</p>
 
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="NonCopyable_8hpp_source.htm">NonCopyable.hpp</a></li>
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