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<!-- /fasttmp/mkdist-qt-4.5.2-1245473805/qt-x11-opensource-src-4.5.2/src/corelib/tools/qstack.cpp -->
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<title>Qt 4.5: QStack Class Reference</title>
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<title>Qt 4.6: QStack Class Reference</title>
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<td align="right" valign="top" width="230"></td></tr></table><h1 class="title">QStack Class Reference<br /><span class="small-subtitle">[<a href="qtcore.html">QtCore</a> module]</span>
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<td width="1"> </td><td class="postheader" valign="center"><a href="index.html"><font color="#004faf">Home</font></a> · <a href="classes.html"><font color="#004faf">All Classes</font></a> · <a href="functions.html"><font color="#004faf">All Functions</font></a> · <a href="overviews.html"><font color="#004faf">Overviews</font></a></td><td class="searchBar" align="right" valign="center"><form action="http://www.google.com/cse" id="cse-search-box"><div><input type="hidden" name="cx" value="000136343326384750312:dhbxnqlakyu" /><input type="hidden" name="ie" value="UTF-8" /><input type="text" name="q" size="31" /><input type="submit" name="sa" value="Search" /></div></form></td>
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</tr></table><h1 class="title">QStack Class Reference<br /><span class="small-subtitle">[<a href="qtcore.html">QtCore</a> module]</span>
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<p>The QStack class is a template class that provides a stack. <a href="#details">More...</a></p>
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<pre> #include <QStack></pre><p>Inherits <a href="qvector.html">QVector<T></a>.</p>
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<p><b>Note:</b> All the functions in this class are <a href="threads.html#reentrant">reentrant</a>.</p>
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<p><b>Note:</b> All functions in this class are <a href="threads-reentrancy.html#reentrant">reentrant</a>.</p>
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<li><a href="qstack-members.html">List of all members, including inherited members</a></li>
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<a name="public-functions"></a>
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<h3>Public Functions</h3>
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<li><div class="fn"></div><b><a href="qstack.html#QStack">QStack</a></b> ()</li>
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<li><div class="fn"></div><b><a href="qstack.html#dtor.QStack">~QStack</a></b> ()</li>
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<li><div class="fn"></div>T <b><a href="qstack.html#pop">pop</a></b> ()</li>
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<li><div class="fn"></div>void <b><a href="qstack.html#push">push</a></b> ( const T & <i>t</i> )</li>
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<li><div class="fn"></div>T & <b><a href="qstack.html#top">top</a></b> ()</li>
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<li><div class="fn"></div>const T & <b><a href="qstack.html#top-2">top</a></b> () const</li>
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<li><div class="fn"></div>64 public functions inherited from <a href="qvector.html#public-functions">QVector</a></li>
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<h2>Public Functions</h2>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qstack.html#QStack">QStack</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top"></td><td class="memItemRight" valign="bottom"><b><a href="qstack.html#dtor.QStack">~QStack</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">T </td><td class="memItemRight" valign="bottom"><b><a href="qstack.html#pop">pop</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><b><a href="qstack.html#push">push</a></b> ( const T & <i>t</i> )</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">T & </td><td class="memItemRight" valign="bottom"><b><a href="qstack.html#top">top</a></b> ()</td></tr>
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<tr><td class="memItemLeft" align="right" valign="top">const T & </td><td class="memItemRight" valign="bottom"><b><a href="qstack.html#top-2">top</a></b> () const</td></tr>
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<li><div bar="2" class="fn"></div>64 public functions inherited from <a href="qvector.html#public-functions">QVector</a></li>
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<h3>Additional Inherited Members</h3>
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<p>See also <a href="qvector.html">QVector</a> and <a href="qqueue.html">QQueue</a>.</p>
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<h2>Member Function Documentation</h2>
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<a name="//apple_ref/cpp/instm/QStack/QStack" />
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<h3 class="fn"><a name="QStack"></a>QStack::QStack ()</h3>
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<p>Constructs an empty stack.</p>
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<a name="//apple_ref/cpp/instm/QStack/~QStack" />
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<h3 class="fn"><a name="dtor.QStack"></a>QStack::~QStack ()</h3>
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<p>Destroys the stack. References to the values in the stack, and all iterators over this stack, become invalid.</p>
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<a name="//apple_ref/cpp/instm/QStack/pop" />
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<h3 class="fn"><a name="pop"></a>T QStack::pop ()</h3>
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<p>Removes the top item from the stack and returns it. This function assumes that the stack isn't empty.</p>
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<p>See also <a href="qstack.html#top">top</a>(), <a href="qstack.html#push">push</a>(), and <a href="qvector.html#isEmpty">isEmpty</a>().</p>
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<a name="//apple_ref/cpp/instm/QStack/push" />
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<h3 class="fn"><a name="push"></a>void QStack::push ( const T & <i>t</i> )</h3>
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<p>Adds element <i>t</i> to the top of the stack.</p>
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<p>This is the same as <a href="qvector.html#append">QVector::append</a>().</p>
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<p>See also <a href="qstack.html#pop">pop</a>() and <a href="qstack.html#top">top</a>().</p>
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<a name="//apple_ref/cpp/instm/QStack/top" />
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<h3 class="fn"><a name="top"></a>T & QStack::top ()</h3>
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<p>Returns a reference to the stack's top item. This function assumes that the stack isn't empty.</p>
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<p>This is the same as <a href="qvector.html#last">QVector::last</a>().</p>
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<p>See also <a href="qstack.html#pop">pop</a>() and <a href="qstack.html#push">push</a>().</p>
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<td width="30%" align="right"><div align="right">Qt 4.5.2</div></td>
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<td width="40%" align="right"><div align="right">Qt 4.6.0</div></td>
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