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<td >Qt 5.12</td><td ><a href="qtcore-index.html">Qt Core</a></td><td ><a href="qtcore-module.html">C++ Classes</a></td><td >QCollatorSortKey</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qtcore-index.html">Qt 5.12.6 Reference Documentation</a></td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#protected-variables">Protected Variables</a></li>
<li class="level1"><a href="#related-non-members">Related Non-Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QCollatorSortKey Class</h1>
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<p>The <a href="qcollatorsortkey.html">QCollatorSortKey</a> class can be used to speed up string collation. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QCollatorSortKey></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += core</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.2</td></tr></table></div><ul>
<li><a href="qcollatorsortkey-members.html">List of all members, including inherited members</a></li>
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<p><b>Note:</b> All functions in this class are reentrant.</p>
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<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></b>(const QCollatorSortKey &<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#dtor.QCollatorSortKey">~QCollatorSortKey</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#compare">compare</a></b>(const QCollatorSortKey &<i>otherKey</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#swap">swap</a></b>(QCollatorSortKey &<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QCollatorSortKey &</td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#operator-eq">operator=</a></b>(const QCollatorSortKey &<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QCollatorSortKey &</td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#operator-eq-1">operator=</a></b>(QCollatorSortKey &&<i>other</i>)</td></tr>
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<h2 id="protected-variables">Protected Variables</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> QExplicitlySharedDataPointer<QCollatorSortKeyPrivate> </td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#d-var">d</a></b></td></tr>
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<h2 id="related-non-members">Related Non-Members</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qcollatorsortkey.html#operator-lt">operator<</a></b>(const QCollatorSortKey &<i>lhs</i>, const QCollatorSortKey &<i>rhs</i>)</td></tr>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qcollatorsortkey.html">QCollatorSortKey</a> class can be used to speed up string collation.</p>
<p>The <a href="qcollatorsortkey.html">QCollatorSortKey</a> class is always created by <a href="qcollator.html#sortKey">QCollator::sortKey</a>() and is used for fast strings collation, for example when collating many strings.</p>
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<p><b>See also </b><a href="qcollator.html">QCollator</a> and <a href="qcollator.html#sortKey">QCollator::sortKey</a>().</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn" id="QCollatorSortKey"><a name="QCollatorSortKey"></a>QCollatorSortKey::<span class="name">QCollatorSortKey</span>(const <span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &<i>other</i>)</h3>
<p>Constructs a copy of the <i>other</i> collator key.</p>
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<h3 class="fn" id="dtor.QCollatorSortKey"><a name="dtor.QCollatorSortKey"></a>QCollatorSortKey::<span class="name">~QCollatorSortKey</span>()</h3>
<p>Destroys the collator key.</p>
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<h3 class="fn" id="compare"><a name="compare"></a><span class="type">int</span> QCollatorSortKey::<span class="name">compare</span>(const <span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &<i>otherKey</i>) const</h3>
<p>Compares the key to <i>otherKey</i>. Returns a negative value if the key is less than <i>otherKey</i>, 0 if the key is equal to <i>otherKey</i> or a positive value if the key is greater than <i>otherKey</i>.</p>
<p><b>See also </b><a href="qcollatorsortkey.html#operator-lt">operator<</a>().</p>
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<h3 class="fn" id="swap"><a name="swap"></a><span class="type">void</span> QCollatorSortKey::<span class="name">swap</span>(<span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &<i>other</i>)</h3>
<p>Swaps this collator key with <i>other</i>.</p>
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<h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &QCollatorSortKey::<span class="name">operator=</span>(const <span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &<i>other</i>)</h3>
<p>Assigns <i>other</i> to this collator key.</p>
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<h3 class="fn" id="operator-eq-1"><a name="operator-eq-1"></a><span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &QCollatorSortKey::<span class="name">operator=</span>(<span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &&<i>other</i>)</h3>
<p>Move-assigns <i>other</i> to this collator key.</p>
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<h2>Related Non-Members</h2>
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<h3 class="fn" id="operator-lt"><a name="operator-lt"></a><span class="type">bool</span> <span class="name">operator<</span>(const <span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &<i>lhs</i>, const <span class="type"><a href="qcollatorsortkey.html#QCollatorSortKey">QCollatorSortKey</a></span> &<i>rhs</i>)</h3>
<p>According to the <a href="qcollator.html">QCollator</a> that created the keys, returns <code>true</code> if <i>lhs</i> should be sorted before <i>rhs</i>; otherwise returns <code>false</code>.</p>
<p><b>See also </b><a href="qcollatorsortkey.html#compare">QCollatorSortKey::compare</a>().</p>
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