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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 >QDebug</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="#related-non-members">Related Non-Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
<li class="level2"><a href="#basic-use">Basic Use</a></li>
<li class="level2"><a href="#formatting-options">Formatting Options</a></li>
<li class="level2"><a href="#writing-custom-types-to-a-stream">Writing Custom Types to a Stream</a></li>
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<h1 class="title">QDebug Class</h1>
<!-- $$$QDebug-brief -->
<p>The <a href="qdebug.html">QDebug</a> class provides an output stream for debugging information. <a href="#details">More...</a></p>
<!-- @@@QDebug -->
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QDebug></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += core</td></tr></table></div><ul>
<li><a href="qdebug-members.html">List of all members, including inherited members</a></li>
</ul>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#QDebug">QDebug</a></b>(QIODevice *<i>device</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#QDebug-1">QDebug</a></b>(QString *<i>string</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#QDebug-2">QDebug</a></b>(QtMsgType <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#QDebug-3">QDebug</a></b>(const QDebug &<i>o</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#dtor.QDebug">~QDebug</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#autoInsertSpaces">autoInsertSpaces</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#maybeQuote">maybeQuote</a></b>(char <i>c</i> = '"')</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#maybeSpace">maybeSpace</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#noquote">noquote</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#nospace">nospace</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#quote">quote</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#resetFormat">resetFormat</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#setAutoInsertSpaces">setAutoInsertSpaces</a></b>(bool <i>b</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#setVerbosity">setVerbosity</a></b>(int <i>verbosityLevel</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#space">space</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#swap">swap</a></b>(QDebug &<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#verbosity">verbosity</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt">operator<<</a></b>(QChar <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-1">operator<<</a></b>(bool <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-2">operator<<</a></b>(char <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-3">operator<<</a></b>(short <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-4">operator<<</a></b>(unsigned short <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-5">operator<<</a></b>(char16_t <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-6">operator<<</a></b>(char32_t <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-7">operator<<</a></b>(int <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-8">operator<<</a></b>(unsigned int <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-9">operator<<</a></b>(long <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-10">operator<<</a></b>(unsigned long <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-11">operator<<</a></b>(qint64 <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-12">operator<<</a></b>(quint64 <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-13">operator<<</a></b>(float <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-14">operator<<</a></b>(double <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-15">operator<<</a></b>(const char *<i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-16">operator<<</a></b>(const QString &<i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-17">operator<<</a></b>(const QStringRef &<i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-18">operator<<</a></b>(QStringView <i>s</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-19">operator<<</a></b>(QLatin1String <i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-20">operator<<</a></b>(const QByteArray &<i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-21">operator<<</a></b>(const void *<i>t</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug &</td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-eq">operator=</a></b>(const QDebug &<i>other</i>)</td></tr>
</table></div>
<a name="related-non-members"></a>
<h2 id="related-non-members">Related Non-Members</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-25">operator<<</a></b>(QDebug <i>debug</i>, const QList<T> &<i>list</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-26">operator<<</a></b>(QDebug <i>debug</i>, const std::list<T, Alloc> &<i>vec</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-27">operator<<</a></b>(QDebug <i>debug</i>, const QVector<T> &<i>vec</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-28">operator<<</a></b>(QDebug <i>debug</i>, const std::vector<T, Alloc> &<i>vec</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-29">operator<<</a></b>(QDebug <i>debug</i>, const QSet<T> &<i>set</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-30">operator<<</a></b>(QDebug <i>debug</i>, const QMap<Key, T> &<i>map</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-31">operator<<</a></b>(QDebug <i>debug</i>, const std::map<Key, T, Compare, Alloc> &<i>map</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-32">operator<<</a></b>(QDebug <i>debug</i>, const std::multimap<Key, T, Compare, Alloc> &<i>map</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-33">operator<<</a></b>(QDebug <i>debug</i>, const QHash<Key, T> &<i>hash</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-34">operator<<</a></b>(QDebug <i>debug</i>, const QPair<T1, T2> &<i>pair</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDebug </td><td class="memItemRight bottomAlign"><b><a href="qdebug.html#operator-lt-lt-35">operator<<</a></b>(QDebug <i>debug</i>, const QFlags<T> &<i>flags</i>)</td></tr>
</table></div>
<a name="details"></a>
<!-- $$$QDebug-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qdebug.html">QDebug</a> class provides an output stream for debugging information.</p>
<p><a href="qdebug.html">QDebug</a> is used whenever the developer needs to write out debugging or tracing information to a device, file, string or console.</p>
<a name="basic-use"></a>
<h3 id="basic-use">Basic Use</h3>
<p>In the common case, it is useful to call the <a href="qtglobal.html#qDebugx">qDebug</a>() function to obtain a default <a href="qdebug.html">QDebug</a> object to use for writing debugging information.</p>
<pre class="cpp">
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Date:"</span> <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="qdate.html">QDate</a></span><span class="operator">::</span>currentDate();
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Types:"</span> <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="qstring.html">QString</a></span>(<span class="string">"String"</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="qchar.html">QChar</a></span>(<span class="char">'x'</span>) <span class="operator"><</span><span class="operator"><</span> <span class="type"><a href="qrect.html">QRect</a></span>(<span class="number">0</span><span class="operator">,</span> <span class="number">10</span><span class="operator">,</span> <span class="number">50</span><span class="operator">,</span> <span class="number">40</span>);
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> <span class="string">"Custom coordinate type:"</span> <span class="operator"><</span><span class="operator"><</span> coordinate;
</pre>
<p>This constructs a <a href="qdebug.html">QDebug</a> object using the constructor that accepts a <a href="qtglobal.html#QtMsgType-enum">QtMsgType</a> value of <a href="qtglobal.html#QtMsgType-enum">QtDebugMsg</a>. Similarly, the <a href="qtglobal.html#qWarning">qWarning</a>(), <a href="qtglobal.html#qCritical">qCritical</a>() and <a href="qtglobal.html#qFatal">qFatal</a>() functions also return <a href="qdebug.html">QDebug</a> objects for the corresponding message types.</p>
<p>The class also provides several constructors for other situations, including a constructor that accepts a <a href="qfile.html">QFile</a> or any other <a href="qiodevice.html">QIODevice</a> subclass that is used to write debugging information to files and other devices. The constructor that accepts a <a href="qstring.html">QString</a> is used to write to a string for display or serialization.</p>
<a name="formatting-options"></a>
<h3 id="formatting-options">Formatting Options</h3>
<p><a href="qdebug.html">QDebug</a> formats output so that it's easily readable. It automatically adds spaces between arguments, and adds quotes around <a href="qstring.html">QString</a>, <a href="qbytearray.html">QByteArray</a>, <a href="qchar.html">QChar</a> arguments.</p>
<p>You can tweak these options through the <a href="qdebug.html#space">space</a>(), <a href="qdebug.html#nospace">nospace</a>() and <a href="qdebug.html#quote">quote</a>(), <a href="qdebug.html#noquote">noquote</a>() methods. Furthermore, <a href="qtextstream.html#qtextstream-manipulators">QTextStream manipulators</a> can be piped into a <a href="qdebug.html">QDebug</a> stream.</p>
<p><a href="qdebugstatesaver.html">QDebugStateSaver</a> limits changes to the formatting to the current scope. <a href="qdebug.html#resetFormat">resetFormat</a>() resets the options to the default ones.</p>
<a name="writing-custom-types-to-a-stream"></a>
<h3 id="writing-custom-types-to-a-stream">Writing Custom Types to a Stream</h3>
<p>Many standard types can be written to <a href="qdebug.html">QDebug</a> objects, and Qt provides support for most Qt value types. To add support for custom types, you need to implement a streaming operator, as in the following example:</p>
<pre class="cpp">
<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="keyword">operator</span><span class="operator"><</span><span class="operator"><</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> debug<span class="operator">,</span> <span class="keyword">const</span> Coordinate <span class="operator">&</span>c)
{
<span class="type"><a href="qdebugstatesaver.html">QDebugStateSaver</a></span> saver(debug);
debug<span class="operator">.</span>nospace() <span class="operator"><</span><span class="operator"><</span> <span class="char">'('</span> <span class="operator"><</span><span class="operator"><</span> c<span class="operator">.</span>x() <span class="operator"><</span><span class="operator"><</span> <span class="string">", "</span> <span class="operator"><</span><span class="operator"><</span> c<span class="operator">.</span>y() <span class="operator"><</span><span class="operator"><</span> <span class="char">')'</span>;
<span class="keyword">return</span> debug;
}
</pre>
<p>This is described in the Debugging Techniques and <a href="custom-types.html#making-the-type-printable">Creating Custom Qt Types</a> documents.</p>
</div>
<!-- @@@QDebug -->
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QDebug[overload1]$$$QDebugQIODevice* -->
<h3 class="fn" id="QDebug"><a name="QDebug"></a>QDebug::<span class="name">QDebug</span>(<span class="type"><a href="qiodevice.html">QIODevice</a></span> *<i>device</i>)</h3>
<p>Constructs a debug stream that writes to the given <i>device</i>.</p>
<!-- @@@QDebug -->
<!-- $$$QDebug$$$QDebugQString* -->
<h3 class="fn" id="QDebug-1"><a name="QDebug-1"></a>QDebug::<span class="name">QDebug</span>(<span class="type"><a href="qstring.html">QString</a></span> *<i>string</i>)</h3>
<p>Constructs a debug stream that writes to the given <i>string</i>.</p>
<!-- @@@QDebug -->
<!-- $$$QDebug$$$QDebugQtMsgType -->
<h3 class="fn" id="QDebug-2"><a name="QDebug-2"></a>QDebug::<span class="name">QDebug</span>(<span class="type"><a href="qtglobal.html#QtMsgType-enum">QtMsgType</a></span> <i>t</i>)</h3>
<p>Constructs a debug stream that writes to the handler for the message type <i>t</i>.</p>
<!-- @@@QDebug -->
<!-- $$$QDebug$$$QDebugconstQDebug& -->
<h3 class="fn" id="QDebug-3"><a name="QDebug-3"></a>QDebug::<span class="name">QDebug</span>(const <span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &<i>o</i>)</h3>
<p>Constructs a copy of the other debug stream <i>o</i>.</p>
<!-- @@@QDebug -->
<!-- $$$~QDebug[overload1]$$$~QDebug -->
<h3 class="fn" id="dtor.QDebug"><a name="dtor.QDebug"></a>QDebug::<span class="name">~QDebug</span>()</h3>
<p>Flushes any pending data to be written and destroys the debug stream.</p>
<!-- @@@~QDebug -->
<!-- $$$autoInsertSpaces[overload1]$$$autoInsertSpaces -->
<h3 class="fn" id="autoInsertSpaces"><a name="autoInsertSpaces"></a><span class="type">bool</span> QDebug::<span class="name">autoInsertSpaces</span>() const</h3>
<p>Returns <code>true</code> if this <a href="qdebug.html">QDebug</a> instance will automatically insert spaces between writes.</p>
<p>This function was introduced in Qt 5.0.</p>
<p><b>See also </b><a href="qdebug.html#setAutoInsertSpaces">setAutoInsertSpaces</a>() and <a href="qdebugstatesaver.html">QDebugStateSaver</a>.</p>
<!-- @@@autoInsertSpaces -->
<!-- $$$maybeQuote[overload1]$$$maybeQuotechar -->
<h3 class="fn" id="maybeQuote"><a name="maybeQuote"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">maybeQuote</span>(<span class="type">char</span> <i>c</i> = '"')</h3>
<p>Writes a character <i>c</i> to the debug stream, depending on the current setting for automatic insertion of quotes, and returns a reference to the stream.</p>
<p>The default character is a double quote <code>"</code>.</p>
<p>This function was introduced in Qt 5.4.</p>
<p><b>See also </b><a href="qdebug.html#quote">quote</a>() and <a href="qdebug.html#noquote">noquote</a>().</p>
<!-- @@@maybeQuote -->
<!-- $$$maybeSpace[overload1]$$$maybeSpace -->
<h3 class="fn" id="maybeSpace"><a name="maybeSpace"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">maybeSpace</span>()</h3>
<p>Writes a space character to the debug stream, depending on the current setting for automatic insertion of spaces, and returns a reference to the stream.</p>
<p><b>See also </b><a href="qdebug.html#space">space</a>() and <a href="qdebug.html#nospace">nospace</a>().</p>
<!-- @@@maybeSpace -->
<!-- $$$noquote[overload1]$$$noquote -->
<h3 class="fn" id="noquote"><a name="noquote"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">noquote</span>()</h3>
<p>Disables automatic insertion of quotation characters around <a href="qchar.html">QChar</a>, <a href="qstring.html">QString</a> and <a href="qbytearray.html">QByteArray</a> contents and returns a reference to the stream.</p>
<p>When quoting is disabled, these types are printed without quotation characters and without escaping of non-printable characters.</p>
<p>This function was introduced in Qt 5.4.</p>
<p><b>See also </b><a href="qdebug.html#quote">quote</a>() and <a href="qdebug.html#maybeQuote">maybeQuote</a>().</p>
<!-- @@@noquote -->
<!-- $$$nospace[overload1]$$$nospace -->
<h3 class="fn" id="nospace"><a name="nospace"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">nospace</span>()</h3>
<p>Disables automatic insertion of spaces and returns a reference to the stream.</p>
<p><b>See also </b><a href="qdebug.html#space">space</a>() and <a href="qdebug.html#maybeSpace">maybeSpace</a>().</p>
<!-- @@@nospace -->
<!-- $$$quote[overload1]$$$quote -->
<h3 class="fn" id="quote"><a name="quote"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">quote</span>()</h3>
<p>Enables automatic insertion of quotation characters around <a href="qchar.html">QChar</a>, <a href="qstring.html">QString</a> and <a href="qbytearray.html">QByteArray</a> contents and returns a reference to the stream.</p>
<p>Quoting is enabled by default.</p>
<p>This function was introduced in Qt 5.4.</p>
<p><b>See also </b><a href="qdebug.html#noquote">noquote</a>() and <a href="qdebug.html#maybeQuote">maybeQuote</a>().</p>
<!-- @@@quote -->
<!-- $$$resetFormat[overload1]$$$resetFormat -->
<h3 class="fn" id="resetFormat"><a name="resetFormat"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">resetFormat</span>()</h3>
<p>Resets the stream formatting options, bringing it back to its original constructed state.</p>
<p>This function was introduced in Qt 5.4.</p>
<p><b>See also </b><a href="qdebug.html#space">space</a>() and <a href="qdebug.html#quote">quote</a>().</p>
<!-- @@@resetFormat -->
<!-- $$$setAutoInsertSpaces[overload1]$$$setAutoInsertSpacesbool -->
<h3 class="fn" id="setAutoInsertSpaces"><a name="setAutoInsertSpaces"></a><span class="type">void</span> QDebug::<span class="name">setAutoInsertSpaces</span>(<span class="type">bool</span> <i>b</i>)</h3>
<p>Enables automatic insertion of spaces between writes if <i>b</i> is true; otherwise automatic insertion of spaces is disabled.</p>
<p>This function was introduced in Qt 5.0.</p>
<p><b>See also </b><a href="qdebug.html#autoInsertSpaces">autoInsertSpaces</a>() and <a href="qdebugstatesaver.html">QDebugStateSaver</a>.</p>
<!-- @@@setAutoInsertSpaces -->
<!-- $$$setVerbosity[overload1]$$$setVerbosityint -->
<h3 class="fn" id="setVerbosity"><a name="setVerbosity"></a><span class="type">void</span> QDebug::<span class="name">setVerbosity</span>(<span class="type">int</span> <i>verbosityLevel</i>)</h3>
<p>Sets the verbosity of the stream to <i>verbosityLevel</i>.</p>
<p>The allowed range is from 0 to 7. The default value is 2.</p>
<p>This function was introduced in Qt 5.6.</p>
<p><b>See also </b><a href="qdebug.html#verbosity">verbosity</a>().</p>
<!-- @@@setVerbosity -->
<!-- $$$space[overload1]$$$space -->
<h3 class="fn" id="space"><a name="space"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">space</span>()</h3>
<p>Writes a space character to the debug stream and returns a reference to the stream.</p>
<p>The stream remembers that automatic insertion of spaces is enabled for future writes.</p>
<p><b>See also </b><a href="qdebug.html#nospace">nospace</a>() and <a href="qdebug.html#maybeSpace">maybeSpace</a>().</p>
<!-- @@@space -->
<!-- $$$swap[overload1]$$$swapQDebug& -->
<h3 class="fn" id="swap"><a name="swap"></a><span class="type">void</span> QDebug::<span class="name">swap</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &<i>other</i>)</h3>
<p>Swaps this debug stream instance with <i>other</i>. This function is very fast and never fails.</p>
<p>This function was introduced in Qt 5.0.</p>
<!-- @@@swap -->
<!-- $$$verbosity[overload1]$$$verbosity -->
<h3 class="fn" id="verbosity"><a name="verbosity"></a><span class="type">int</span> QDebug::<span class="name">verbosity</span>() const</h3>
<p>Returns the verbosity of the debug stream.</p>
<p>Streaming operators can check the value to decide whether verbose output is desired and print more information depending on the level. Higher values indicate that more information is desired.</p>
<p>The allowed range is from 0 to 7. The default value is 2.</p>
<p>This function was introduced in Qt 5.6.</p>
<p><b>See also </b><a href="qdebug.html#setVerbosity">setVerbosity</a>().</p>
<!-- @@@verbosity -->
<!-- $$$operator<<[overload1]$$$operator<<QChar -->
<h3 class="fn" id="operator-lt-lt"><a name="operator-lt-lt"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type"><a href="qchar.html">QChar</a></span> <i>t</i>)</h3>
<p>Writes the character, <i>t</i>, to the stream and returns a reference to the stream. Normally, <a href="qdebug.html">QDebug</a> prints control characters and non-US-ASCII characters as their C escape sequences or their Unicode value (\u1234). To print non-printable characters without transformation, enable the <a href="qdebug.html#noquote">noquote</a>() functionality, but note that some <a href="qdebug.html">QDebug</a> backends may not be 8-bit clean and may not be able to represent <code>t</code>.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<bool -->
<h3 class="fn" id="operator-lt-lt-1"><a name="operator-lt-lt-1"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">bool</span> <i>t</i>)</h3>
<p>Writes the boolean value, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<char -->
<h3 class="fn" id="operator-lt-lt-2"><a name="operator-lt-lt-2"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">char</span> <i>t</i>)</h3>
<p>Writes the character, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<short -->
<h3 class="fn" id="operator-lt-lt-3"><a name="operator-lt-lt-3"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">short</span> <i>t</i>)</h3>
<p>Writes the signed short integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<unsignedshort -->
<h3 class="fn" id="operator-lt-lt-4"><a name="operator-lt-lt-4"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">unsigned</span> <span class="type">short</span> <i>t</i>)</h3>
<p>Writes then unsigned short integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<char16_t -->
<h3 class="fn" id="operator-lt-lt-5"><a name="operator-lt-lt-5"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">char16_t</span> <i>t</i>)</h3>
<p>Writes the UTF-16 character, <i>t</i>, to the stream and returns a reference to the stream.</p>
<p>This function was introduced in Qt 5.5.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<char32_t -->
<h3 class="fn" id="operator-lt-lt-6"><a name="operator-lt-lt-6"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">char32_t</span> <i>t</i>)</h3>
<p>Writes the UTF-32 character, <i>t</i>, to the stream and returns a reference to the stream.</p>
<p>This function was introduced in Qt 5.5.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<int -->
<h3 class="fn" id="operator-lt-lt-7"><a name="operator-lt-lt-7"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">int</span> <i>t</i>)</h3>
<p>Writes the signed integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<unsignedint -->
<h3 class="fn" id="operator-lt-lt-8"><a name="operator-lt-lt-8"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">unsigned</span> <span class="type">int</span> <i>t</i>)</h3>
<p>Writes then unsigned integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<long -->
<h3 class="fn" id="operator-lt-lt-9"><a name="operator-lt-lt-9"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">long</span> <i>t</i>)</h3>
<p>Writes the signed long integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<unsignedlong -->
<h3 class="fn" id="operator-lt-lt-10"><a name="operator-lt-lt-10"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">unsigned</span> <span class="type">long</span> <i>t</i>)</h3>
<p>Writes then unsigned long integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<qint64 -->
<h3 class="fn" id="operator-lt-lt-11"><a name="operator-lt-lt-11"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type"><a href="qtglobal.html#qint64-typedef">qint64</a></span> <i>t</i>)</h3>
<p>Writes the signed 64-bit integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<quint64 -->
<h3 class="fn" id="operator-lt-lt-12"><a name="operator-lt-lt-12"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type"><a href="qtglobal.html#quint64-typedef">quint64</a></span> <i>t</i>)</h3>
<p>Writes then unsigned 64-bit integer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<float -->
<h3 class="fn" id="operator-lt-lt-13"><a name="operator-lt-lt-13"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">float</span> <i>t</i>)</h3>
<p>Writes the 32-bit floating point number, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<double -->
<h3 class="fn" id="operator-lt-lt-14"><a name="operator-lt-lt-14"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type">double</span> <i>t</i>)</h3>
<p>Writes the 64-bit floating point number, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<constchar* -->
<h3 class="fn" id="operator-lt-lt-15"><a name="operator-lt-lt-15"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(const <span class="type">char</span> *<i>t</i>)</h3>
<p>Writes the '\0'-terminated string, <i>t</i>, to the stream and returns a reference to the stream. The string is never quoted nor transformed to the output, but note that some <a href="qdebug.html">QDebug</a> backends might not be 8-bit clean.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<constQString& -->
<h3 class="fn" id="operator-lt-lt-16"><a name="operator-lt-lt-16"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(const <span class="type"><a href="qstring.html">QString</a></span> &<i>t</i>)</h3>
<p>Writes the string, <i>t</i>, to the stream and returns a reference to the stream. Normally, <a href="qdebug.html">QDebug</a> prints the string inside quotes and transforms non-printable characters to their Unicode values (\u1234).</p>
<p>To print non-printable characters without transformation, enable the <a href="qdebug.html#noquote">noquote</a>() functionality. Note that some <a href="qdebug.html">QDebug</a> backends might not be 8-bit clean.</p>
<p>Output examples:</p>
<pre class="cpp">
<span class="type"><a href="qstring.html">QString</a></span> s;
s <span class="operator">=</span> <span class="string">"a"</span>;
<a href="qtglobal.html#qDebugx">qDebug</a>()<span class="operator">.</span>noquote() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: a</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: "a"</span>
s <span class="operator">=</span> <span class="string">"\"a\r\n\""</span>;
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: "\"a\r\n\""</span>
s <span class="operator">=</span> <span class="string">"\033"</span>; <span class="comment">// escape character</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: "\u001B"</span>
s <span class="operator">=</span> <span class="string">"\u00AD"</span>; <span class="comment">// SOFT HYPHEN</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: "\u00AD"</span>
s <span class="operator">=</span> <span class="string">"\u00E1"</span>; <span class="comment">// LATIN SMALL LETTER A WITH ACUTE</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: "á"</span>
s <span class="operator">=</span> <span class="string">"a\u0301"</span>; <span class="comment">// "a" followed by COMBINING ACUTE ACCENT</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: "á";</span>
s <span class="operator">=</span> <span class="string">"\u0430\u0301"</span>; <span class="comment">// CYRILLIC SMALL LETTER A followed by COMBINING ACUTE ACCENT</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> s; <span class="comment">// prints: "а́"</span>
</pre>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<constQStringRef& -->
<h3 class="fn" id="operator-lt-lt-17"><a name="operator-lt-lt-17"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(const <span class="type"><a href="qstringref.html">QStringRef</a></span> &<i>t</i>)</h3>
<p>Writes the string, <i>t</i>, to the stream and returns a reference to the stream. Normally, <a href="qdebug.html">QDebug</a> prints the string inside quotes and transforms non-printable characters to their Unicode values (\u1234).</p>
<p>To print non-printable characters without transformation, enable the <a href="qdebug.html#noquote">noquote</a>() functionality. Note that some <a href="qdebug.html">QDebug</a> backends might not be 8-bit clean.</p>
<p>See the <a href="qstring.html">QString</a> overload for examples.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QStringView -->
<h3 class="fn" id="operator-lt-lt-18"><a name="operator-lt-lt-18"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type"><a href="qstringview.html">QStringView</a></span> <i>s</i>)</h3>
<p>Writes the string view, <i>s</i>, to the stream and returns a reference to the stream. Normally, <a href="qdebug.html">QDebug</a> prints the string inside quotes and transforms non-printable characters to their Unicode values (\u1234).</p>
<p>To print non-printable characters without transformation, enable the <a href="qdebug.html#noquote">noquote</a>() functionality. Note that some <a href="qdebug.html">QDebug</a> backends might not be 8-bit clean.</p>
<p>See the <a href="qstring.html">QString</a> overload for examples.</p>
<p>This function was introduced in Qt 5.10.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QLatin1String -->
<h3 class="fn" id="operator-lt-lt-19"><a name="operator-lt-lt-19"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(<span class="type"><a href="qlatin1string.html">QLatin1String</a></span> <i>t</i>)</h3>
<p>Writes the string, <i>t</i>, to the stream and returns a reference to the stream. Normally, <a href="qdebug.html">QDebug</a> prints the string inside quotes and transforms non-printable characters to their Unicode values (\u1234).</p>
<p>To print non-printable characters without transformation, enable the <a href="qdebug.html#noquote">noquote</a>() functionality. Note that some <a href="qdebug.html">QDebug</a> backends might not be 8-bit clean.</p>
<p>See the <a href="qstring.html">QString</a> overload for examples.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<constQByteArray& -->
<h3 class="fn" id="operator-lt-lt-20"><a name="operator-lt-lt-20"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(const <span class="type"><a href="qbytearray.html">QByteArray</a></span> &<i>t</i>)</h3>
<p>Writes the byte array, <i>t</i>, to the stream and returns a reference to the stream. Normally, <a href="qdebug.html">QDebug</a> prints the array inside quotes and transforms control or non-US-ASCII characters to their C escape sequences (\xAB). This way, the output is always 7-bit clean and the string can be copied from the output and pasted back into C++ sources, if necessary.</p>
<p>To print non-printable characters without transformation, enable the <a href="qdebug.html#noquote">noquote</a>() functionality. Note that some <a href="qdebug.html">QDebug</a> backends might not be 8-bit clean.</p>
<p>Output examples:</p>
<pre class="cpp">
<span class="type"><a href="qbytearray.html">QByteArray</a></span> ba;
ba <span class="operator">=</span> <span class="string">"a"</span>;
<a href="qtglobal.html#qDebugx">qDebug</a>()<span class="operator">.</span>noquote() <span class="operator"><</span><span class="operator"><</span> ba; <span class="comment">// prints: a</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> ba; <span class="comment">// prints: "a"</span>
ba <span class="operator">=</span> <span class="string">"\"a\r\n\""</span>;
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> ba; <span class="comment">// prints: "\"a\r\n\""</span>
ba <span class="operator">=</span> <span class="string">"\033"</span>; <span class="comment">// escape character</span>
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> ba; <span class="comment">// prints: "\x1B"</span>
ba <span class="operator">=</span> <span class="string">"\xC3\xA1"</span>;
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> ba; <span class="comment">// prints: "\xC3\xA1"</span>
ba <span class="operator">=</span> <span class="type"><a href="qbytearray.html">QByteArray</a></span>(<span class="string">"a\0b"</span><span class="operator">,</span> <span class="number">3</span>);
<a href="qtglobal.html#qDebugx">qDebug</a>() <span class="operator"><</span><span class="operator"><</span> ba <span class="comment">// prints: "\a\x00""b"</span>
</pre>
<p>Note how <a href="qdebug.html">QDebug</a> needed to close and reopen the string in the way C and C++ languages concatenate string literals so that the letter 'b' is not interpreted as part of the previous hexadecimal escape sequence.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<constvoid* -->
<h3 class="fn" id="operator-lt-lt-21"><a name="operator-lt-lt-21"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator<<</span>(const <span class="type">void</span> *<i>t</i>)</h3>
<p>Writes a pointer, <i>t</i>, to the stream and returns a reference to the stream.</p>
<!-- @@@operator<< -->
<!-- $$$operator=[overload1]$$$operator=constQDebug& -->
<h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &QDebug::<span class="name">operator=</span>(const <span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> &<i>other</i>)</h3>
<p>Assigns the <i>other</i> debug stream to this stream and returns a reference to this stream.</p>
<!-- @@@operator= -->
</div>
<div class="relnonmem">
<h2>Related Non-Members</h2>
<!-- $$$operator<<$$$operator<<QDebugconstQList<T>& -->
<h3 class="fn" id="operator-lt-lt-25"><a name="operator-lt-lt-25"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qlist.html">QList</a></span><<span class="type">T</span>> &<i>list</i>)</h3>
<p>Writes the contents of <i>list</i> to <i>debug</i>. <code>T</code> needs to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconststd::list<T,Alloc>& -->
<h3 class="fn" id="operator-lt-lt-26"><a name="operator-lt-lt-26"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type">std::list</span><<span class="type">T</span>, <span class="type">Alloc</span>> &<i>vec</i>)</h3>
<p>Writes the contents of list <i>vec</i> to <i>debug</i>. <code>T</code> needs to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<p>This function was introduced in Qt 5.7.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconstQVector<T>& -->
<h3 class="fn" id="operator-lt-lt-27"><a name="operator-lt-lt-27"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qvector.html">QVector</a></span><<span class="type">T</span>> &<i>vec</i>)</h3>
<p>Writes the contents of vector <i>vec</i> to <i>debug</i>. <code>T</code> needs to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconststd::vector<T,Alloc>& -->
<h3 class="fn" id="operator-lt-lt-28"><a name="operator-lt-lt-28"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type">std::vector</span><<span class="type">T</span>, <span class="type">Alloc</span>> &<i>vec</i>)</h3>
<p>Writes the contents of vector <i>vec</i> to <i>debug</i>. <code>T</code> needs to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<p>This function was introduced in Qt 5.7.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconstQSet<T>& -->
<h3 class="fn" id="operator-lt-lt-29"><a name="operator-lt-lt-29"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qset.html">QSet</a></span><<span class="type">T</span>> &<i>set</i>)</h3>
<p>Writes the contents of <i>set</i> to <i>debug</i>. <code>T</code> needs to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconstQMap<Key,T>& -->
<h3 class="fn" id="operator-lt-lt-30"><a name="operator-lt-lt-30"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qmap.html">QMap</a></span><<span class="type">Key</span>, <span class="type">T</span>> &<i>map</i>)</h3>
<p>Writes the contents of <i>map</i> to <i>debug</i>. Both <code>Key</code> and <code>T</code> need to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconststd::map<Key,T,Compare,Alloc>& -->
<h3 class="fn" id="operator-lt-lt-31"><a name="operator-lt-lt-31"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type">std::map</span><<span class="type">Key</span>, <span class="type">T</span>, <span class="type">Compare</span>, <span class="type">Alloc</span>> &<i>map</i>)</h3>
<p>Writes the contents of <i>map</i> to <i>debug</i>. Both <code>Key</code> and <code>T</code> need to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<p>This function was introduced in Qt 5.7.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconststd::multimap<Key,T,Compare,Alloc>& -->
<h3 class="fn" id="operator-lt-lt-32"><a name="operator-lt-lt-32"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type">std::multimap</span><<span class="type">Key</span>, <span class="type">T</span>, <span class="type">Compare</span>, <span class="type">Alloc</span>> &<i>map</i>)</h3>
<p>Writes the contents of <i>map</i> to <i>debug</i>. Both <code>Key</code> and <code>T</code> need to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<p>This function was introduced in Qt 5.7.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconstQHash<Key,T>& -->
<h3 class="fn" id="operator-lt-lt-33"><a name="operator-lt-lt-33"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qhash.html">QHash</a></span><<span class="type">Key</span>, <span class="type">T</span>> &<i>hash</i>)</h3>
<p>Writes the contents of <i>hash</i> to <i>debug</i>. Both <code>Key</code> and <code>T</code> need to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconstQPair<T1,T2>& -->
<h3 class="fn" id="operator-lt-lt-34"><a name="operator-lt-lt-34"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qpair.html">QPair</a></span><<span class="type">T1</span>, <span class="type">T2</span>> &<i>pair</i>)</h3>
<p>Writes the contents of <i>pair</i> to <i>debug</i>. Both <code>T1</code> and <code>T2</code> need to support streaming into <a href="qdebug.html">QDebug</a>.</p>
<!-- @@@operator<< -->
<!-- $$$operator<<$$$operator<<QDebugconstQFlags<T>& -->
<h3 class="fn" id="operator-lt-lt-35"><a name="operator-lt-lt-35"></a><span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <span class="name">operator<<</span>(<span class="type"><a href="qdebug.html#QDebug">QDebug</a></span> <i>debug</i>, const <span class="type"><a href="qflags.html">QFlags</a></span><<span class="type">T</span>> &<i>flags</i>)</h3>
<p>Writes <i>flags</i> to <i>debug</i>.</p>
<p>This function was introduced in Qt 4.7.</p>
<!-- @@@operator<< -->
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distrib
>
Mageia
>
7
>
armv7hl
>
media
>
core-updates
>
by-pkgid
>
d5e62c01ae8d1e579463c6a871dd44bf
>
files
>
381
