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<section id="codeql-library-for-c-and-c">
<span id="codeql-library-for-cpp"></span><h1>CodeQL library for C and C++<a class="headerlink" href="#codeql-library-for-c-and-c" title="Link to this heading"></a></h1>
<p>When analyzing C or C++ code, you can use the large collection of classes in the CodeQL library for C and C++.</p>
<section id="about-the-codeql-library-for-c-and-c">
<h2>About the CodeQL library for C and C++<a class="headerlink" href="#about-the-codeql-library-for-c-and-c" title="Link to this heading"></a></h2>
<p>There is an extensive library for analyzing CodeQL databases extracted from C/C++ projects. The classes in this library present the data from a database in an object-oriented form and provide abstractions and predicates to help you with common analysis tasks.
The library is implemented as a set of QL modules, that is, files with the extension <code class="docutils literal notranslate"><span class="pre">.qll</span></code>. The module <code class="docutils literal notranslate"><span class="pre">cpp.qll</span></code> imports all the core C/C++ library modules, so you can include the complete library by beginning your query with:</p>
<div class="highlight-ql notranslate"><div class="highlight"><pre><span></span>import cpp
</pre></div>
</div>
<p>The rest of this topic summarizes the available CodeQL classes and corresponding C/C++ constructs.</p>
</section>
<section id="commonly-used-library-classes">
<h2>Commonly-used library classes<a class="headerlink" href="#commonly-used-library-classes" title="Link to this heading"></a></h2>
<p>The most commonly used standard library classes are listed below. The listing is broken down by functionality. Each library class is annotated with a C/C++ construct it corresponds to.</p>
<section id="declaration-classes">
<h3>Declaration classes<a class="headerlink" href="#declaration-classes" title="Link to this heading"></a></h3>
<p>This table lists <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Declaration.qll/type.Declaration$Declaration.html">Declaration</a> classes representing C/C++ declarations.</p>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Example syntax</p></th>
<th class="head"><p>CodeQL class</p></th>
<th class="head"><p>Remarks</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>var</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Variable.qll/type.Variable$GlobalVariable.html">GlobalVariable</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">namespace</span></code> <em>N</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">float</span></code> <em>var</em> <code class="docutils literal notranslate"><span class="pre">;</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Variable.qll/type.Variable$NamespaceVariable.html">NamespaceVariable</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">void</span> <span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">float</span></code> <em>var</em> <code class="docutils literal notranslate"><span class="pre">;</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Variable.qll/type.Variable$LocalVariable.html">LocalVariable</a></p></td>
<td><p>See also <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Initializer.qll/type.Initializer$Initializer.html">Initializer</a></p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">int</span></code> <em>var</em> <code class="docutils literal notranslate"><span class="pre">;</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Variable.qll/type.Variable$MemberVariable.html">MemberVariable</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(const</span> <span class="pre">char</span></code> <em>param</em> <code class="docutils literal notranslate"><span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Function.qll/type.Function$Function.html">Function</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">void</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">param);</span></code></div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Function.qll/type.Function$TemplateFunction.html">TemplateFunction</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(const</span> <span class="pre">char*</span></code> <em>format</em> <code class="docutils literal notranslate"><span class="pre">,</span> <span class="pre">...)</span></code></div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/models/interfaces/FormattingFunction.qll/type.FormattingFunction$FormattingFunction.html">FormattingFunction</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><em>func</em> <code class="docutils literal notranslate"><span class="pre">&lt;</span> <span class="pre">int,</span> <span class="pre">float</span> <span class="pre">&gt;</span> <span class="pre">(</span></code> … <code class="docutils literal notranslate"><span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Function.qll/type.Function$FunctionTemplateInstantiation.html">FunctionTemplateInstantiation</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></div>
<div class="line"><em>func</em> <code class="docutils literal notranslate"><span class="pre">&lt;</span> <span class="pre">int,</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span> <span class="pre">(</span></code> … <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Function.qll/type.Function$FunctionTemplateSpecialization.html">FunctionTemplateSpecialization</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">float</span></code> <em>param</em> <code class="docutils literal notranslate"><span class="pre">);</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$MemberFunction.html">MemberFunction</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">float</span></code> <em>param</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">const;</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$ConstMemberFunction.html">ConstMemberFunction</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">virtual</span> <span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> … <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span> <span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$VirtualFunction.html">VirtualFunction</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <em>C</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> … <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$Constructor.html">Constructor</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">C::operator</span> <span class="pre">float</span> <span class="pre">()</span> <span class="pre">const;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$ConversionOperator.html">ConversionOperator</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">~</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">void</span> <span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$Destructor.html">Destructor</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><em>C</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">const</span></code> <em>D</em> <code class="docutils literal notranslate"><span class="pre">&amp;</span></code> <em>d</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$ConversionConstructor.html">ConversionConstructor</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><em>C</em> <code class="docutils literal notranslate"><span class="pre">&amp;</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">::</span> <span class="pre">operator=</span> <span class="pre">(const</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">&amp;</span> <span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$CopyAssignmentOperator.html">CopyAssignmentOperator</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><em>C</em> <code class="docutils literal notranslate"><span class="pre">&amp;</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">::</span> <span class="pre">operator=</span> <span class="pre">(</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">&amp;&amp;</span> <span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$MoveAssignmentOperator.html">MoveAssignmentOperator</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><em>C</em> <code class="docutils literal notranslate"><span class="pre">::</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">(const</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">&amp;</span> <span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$CopyConstructor.html">CopyConstructor</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><em>C</em> <code class="docutils literal notranslate"><span class="pre">::</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">&amp;&amp;</span> <span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$MoveConstructor.html">MoveConstructor</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><em>C</em> <code class="docutils literal notranslate"><span class="pre">::</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">(void);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/MemberFunction.qll/type.MemberFunction$NoArgConstructor.html">NoArgConstructor</a></p></td>
<td><p>Default constructor</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">enum</span></code> <em>en</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> <em>val1</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>val2</em> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Enum.qll/type.Enum$EnumConstant.html">EnumConstant</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">friend</span> <span class="pre">void</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">int</span> <span class="pre">);</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">friend</span> <span class="pre">class</span></code> <em>B</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/FriendDecl.qll/type.FriendDecl$FriendDecl.html">FriendDecl</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">void</span> <span class="pre">)</span> <span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">enum</span></code> <em>en</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> <em>val1</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>val2</em> … <code class="docutils literal notranslate"><span class="pre">};</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Enum.qll/type.Enum$LocalEnum.html">LocalEnum</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">enum</span></code> <em>en</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> <em>val1</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>val2</em> … <code class="docutils literal notranslate"><span class="pre">}</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Enum.qll/type.Enum$NestedEnum.html">NestedEnum</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">enum</span> <span class="pre">class</span></code> <em>en</em> <code class="docutils literal notranslate"><span class="pre">:</span> <span class="pre">short</span> <span class="pre">{</span></code> <em>val1</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>val2</em> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Enum.qll/type.Enum$ScopedEnum.html">ScopedEnum</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">virtual</span> <span class="pre">void</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">int</span> <span class="pre">)</span> <span class="pre">=</span> <span class="pre">0;</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$AbstractClass.html">AbstractClass</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">int</span> <span class="pre">,</span> <span class="pre">float</span> <span class="pre">&gt;</span> <span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$ClassTemplateInstantiation.html">ClassTemplateInstantiation</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">&gt;</span> <span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">&lt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">&gt;</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$FullClassTemplateSpecialization.html">FullClassTemplateSpecialization</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">&lt;</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>5</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$PartialClassTemplateSpecialization.html">PartialClassTemplateSpecialization</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">void</span> <span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$LocalClass.html">LocalClass</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">class</span></code> <em>D</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$NestedClass.html">NestedClass</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code></div>
<div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>var</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a>… <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code>… <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$Class.html">Class</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">struct</span></code> <em>S</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>var</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a>… <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code>… <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Struct.qll/type.Struct$Struct.html">Struct</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$Class.html">Class</a></div>
<div class="line"><br /></div>
</div>
</td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">union</span></code> <em>U</em> <code class="docutils literal notranslate"><span class="pre">{</span></code></div>
<div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>var1</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>var2</em> <code class="docutils literal notranslate"><span class="pre">;</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Union.qll/type.Union$Union.html">Union</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Struct.qll/type.Struct$Struct.html">Struct</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$Class.html">Class</a></div>
</div>
</td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">struct</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">:</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$ProxyClass.html">ProxyClass</a></p></td>
<td><p>Appears only in <em>uninstantiated</em>
templates</p></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">void</span> <span class="pre">)</span> <span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">struct</span></code> <em>S</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Struct.qll/type.Struct$LocalStruct.html">LocalStruct</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">struct</span></code> <em>S</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Struct.qll/type.Struct$NestedStruct.html">NestedStruct</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">int</span> <span class="pre">*</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">void</span> <span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">union</span></code> <em>U</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Union.qll/type.Union$LocalUnion.html">LocalUnion</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">union</span></code> <em>U</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Union.qll/type.Union$NestedUnion.html">NestedUnion</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">typedef</span> <span class="pre">int</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/TypedefType.qll/type.TypedefType$TypedefType.html">TypedefType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">void</span> <span class="pre">)</span> <span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">typedef</span> <span class="pre">int</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">;</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/TypedefType.qll/type.TypedefType$LocalTypedefType.html">LocalTypedefType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> …</div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">typedef</span> <span class="pre">int</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">;</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/TypedefType.qll/type.TypedefType$NestedTypedefType.html">NestedTypedefType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>V</em> <code class="docutils literal notranslate"><span class="pre">:</span></code> … <code class="docutils literal notranslate"><span class="pre">public</span></code> <em>B</em> … <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$ClassDerivation.html">ClassDerivation</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>V</em> <code class="docutils literal notranslate"><span class="pre">:</span></code> … <code class="docutils literal notranslate"><span class="pre">virtual</span></code> <em>B</em> … <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$VirtualClassDerivation.html">VirtualClassDerivation</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$TemplateClass.html">TemplateClass</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>foo</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>param1</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>param2</em> … <code class="docutils literal notranslate"><span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;typename</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code> <em>T</em> <em>t</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Variable.qll/type.Variable$TemplateVariable.html">TemplateVariable</a></p></td>
<td><p>Since C++14</p></td>
</tr>
</tbody>
</table>
</section>
<section id="statement-classes">
<h3>Statement classes<a class="headerlink" href="#statement-classes" title="Link to this heading"></a></h3>
<p>This table lists subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a> representing C/C++ statements.</p>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Example syntax</p></th>
<th class="head"><p>CodeQL class</p></th>
<th class="head"><p>Remarks</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">__asm__</span> <span class="pre">(&quot;</span></code> <em>movb %bh, (%eax)</em> <code class="docutils literal notranslate"><span class="pre">&quot;);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$AsmStmt.html">AsmStmt</a></p></td>
<td><p>Specific to a given CPU instruction set</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a>… <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Block.qll/type.Block$BlockStmt.html">BlockStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">catch</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Block.qll/type.Block$BlockStmt.html">BlockStmt</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$CatchBlock.html">CatchBlock</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">catch</span> <span class="pre">(</span> <span class="pre">...</span> <span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Block.qll/type.Block$BlockStmt.html">BlockStmt</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$CatchAnyBlock.html">CatchAnyBlock</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">goto</span> <span class="pre">*</span></code> <em>labelptr</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$ComputedGotoStmt.html">ComputedGotoStmt</a></p></td>
<td><p>GNU extension; use with <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$LabelLiteral.html">LabelLiteral</a></p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>i</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>j</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$DeclStmt.html">DeclStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">else</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$IfStmt.html">IfStmt</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">switch</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$SwitchCase.html">SwitchCase</a>… <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$SwitchStmt.html">SwitchStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">do</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a> <code class="docutils literal notranslate"><span class="pre">while</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$DoStmt.html">DoStmt</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">for</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$DeclStmt.html">DeclStmt</a> <code class="docutils literal notranslate"><span class="pre">;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$ForStmt.html">ForStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">for</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$DeclStmt.html">DeclStmt</a> <code class="docutils literal notranslate"><span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$RangeBasedForStmt.html">RangeBasedForStmt</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">while</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$WhileStmt.html">WhileStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$ExprStmt.html">ExprStmt</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">__try</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span> <span class="pre">__except</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$MicrosoftTryExceptStmt.html">MicrosoftTryExceptStmt</a></p></td>
<td><p>Structured exception handling (SEH) under Windows</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">__try</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span> <span class="pre">__finally</span> <span class="pre">{</span></code> … <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$MicrosoftTryFinallyStmt.html">MicrosoftTryFinallyStmt</a></p></td>
<td><p>Structured exception handling (SEH) under Windows</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">return</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$ReturnStmt.html">ReturnStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">case</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">:</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$SwitchCase.html">SwitchCase</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">try</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a>… <code class="docutils literal notranslate"><span class="pre">}</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$CatchBlock.html">CatchBlock</a>… <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$CatchAnyBlock.html">CatchAnyBlock</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$TryStmt.html">TryStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">void</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(void)</span> <span class="pre">try</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a>… <code class="docutils literal notranslate"><span class="pre">}</span></code></div>
<div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$CatchBlock.html">CatchBlock</a>… <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$CatchAnyBlock.html">CatchAnyBlock</a></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$FunctionTryStmt.html">FunctionTryStmt</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$EmptyStmt.html">EmptyStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">break;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$BreakStmt.html">BreakStmt</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">continue;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$ContinueStmt.html">ContinueStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">goto</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$LabelStmt.html">LabelStmt</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$GotoStmt.html">GotoStmt</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><em>slabel</em> <code class="docutils literal notranslate"><span class="pre">:</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$LabelStmt.html">LabelStmt</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">float</span></code> <em>arr</em> <code class="docutils literal notranslate"><span class="pre">[</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">]</span> <span class="pre">[</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">];</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$VlaDeclStmt.html">VlaDeclStmt</a></p></td>
<td><p>C99 variable-length array</p></td>
</tr>
</tbody>
</table>
</section>
<section id="expression-classes">
<h3>Expression classes<a class="headerlink" href="#expression-classes" title="Link to this heading"></a></h3>
<p>This table lists subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> representing C/C++ expressions.</p>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Example syntax</p></th>
<th class="head"><p>CodeQL class(es)</p></th>
<th class="head"><p>Remarks</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a>… <code class="docutils literal notranslate"><span class="pre">}</span></code></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$ArrayAggregateLiteral.html">ArrayAggregateLiteral</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$ClassAggregateLiteral.html">ClassAggregateLiteral</a></div>
</div>
</td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">alignof</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$AlignofExprOperator.html">AlignofExprOperator</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">alignof</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$AlignofTypeOperator.html">AlignofTypeOperator</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">[</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">]</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Access.qll/type.Access$ArrayExpr.html">ArrayExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">__assume</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$AssumeExpr.html">AssumeExpr</a></p></td>
<td><p>Microsoft extension</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">static_assert</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">,</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$StringLiteral.html">StringLiteral</a> <code class="docutils literal notranslate"><span class="pre">)</span></code>
<code class="docutils literal notranslate"><span class="pre">_Static_assert</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">,</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$StringLiteral.html">StringLiteral</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Element.qll/type.Element$StaticAssert.html">StaticAssert</a></p></td>
<td><div class="line-block">
<div class="line">C++11</div>
<div class="line">C11</div>
</div>
</td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">__noop;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BuiltInOperations.qll/type.BuiltInOperations$BuiltInNoOp.html">BuiltInNoOp</a></p></td>
<td><p>Microsoft extension</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a>… <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Call.qll/type.Call$ExprCall.html">ExprCall</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a>… <code class="docutils literal notranslate"><span class="pre">)</span></code></div>
<div class="line"><em>instance</em> <code class="docutils literal notranslate"><span class="pre">.</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a>… <code class="docutils literal notranslate"><span class="pre">)</span></code></div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Call.qll/type.Call$FunctionCall.html">FunctionCall</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">,</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$CommaExpr.html">CommaExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">if</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <em>arg</em> <code class="docutils literal notranslate"><span class="pre">=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$ConditionDeclExpr.html">ConditionDeclExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">)</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$CStyleCast.html">CStyleCast</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">const_cast</span> <span class="pre">&lt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">&gt;</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$ConstCast.html">ConstCast</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">dynamic_cast</span> <span class="pre">&lt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">&gt;</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$DynamicCast.html">DynamicCast</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">reinterpret_cast</span> <span class="pre">&lt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">&gt;</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$ReinterpretCast.html">ReinterpretCast</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">static_cast</span> <span class="pre">&lt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">&gt;</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$StaticCast.html">StaticCast</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename...</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">auto</span></code> <em>sum</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <em>T</em> <cite>…</cite> <em>t</em> <code class="docutils literal notranslate"><span class="pre">)</span></code></div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">{</span> <span class="pre">return</span> <span class="pre">(</span></code> <em>t</em> <code class="docutils literal notranslate"><span class="pre">+</span> <span class="pre">...</span> <span class="pre">+</span> <span class="pre">0</span> <span class="pre">);</span> <span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$FoldExpr.html">FoldExpr</a></p></td>
<td><p>Appears only in <em>uninstantiated</em>
templates</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>func</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <em>format</em> <code class="docutils literal notranslate"><span class="pre">,</span> <span class="pre">...</span> <span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/commons/Printf.qll/type.Printf$FormattingFunctionCall.html">FormattingFunctionCall</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">[</span> <span class="pre">=</span> <span class="pre">]</span> <span class="pre">(</span> <span class="pre">float</span></code> <em>b</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">-&gt;</span> <span class="pre">float</span></code></div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">{</span> <span class="pre">return</span></code> <em>captured</em> <code class="docutils literal notranslate"><span class="pre">*</span></code> <em>b</em> <code class="docutils literal notranslate"><span class="pre">;</span> <span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Lambda.qll/type.Lambda$LambdaExpression.html">LambdaExpression</a></p></td>
<td><p>C++11</p></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">^</span> <span class="pre">int</span> <span class="pre">(</span> <span class="pre">int</span></code> <em>x</em> <code class="docutils literal notranslate"><span class="pre">,</span> <span class="pre">int</span></code> <em>y</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">{</span></code></div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a>… <code class="docutils literal notranslate"><span class="pre">;</span> <span class="pre">return</span></code> <em>x</em> <code class="docutils literal notranslate"><span class="pre">+</span></code> <em>y</em> <code class="docutils literal notranslate"><span class="pre">;</span> <span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$BlockExpr.html">BlockExpr</a></p></td>
<td><p>Apple extension</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">void</span> <span class="pre">*</span></code> <em>labelptr</em> <code class="docutils literal notranslate"><span class="pre">=</span> <span class="pre">&amp;&amp;</span></code> <em>label</em> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$LabelLiteral.html">LabelLiteral</a></p></td>
<td><p>GNU extension; use with <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$ComputedGotoStmt.html">ComputedGotoStmt</a></p></td>
</tr>
<tr class="row-odd"><td><p><em>“%3d %s\n”</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/commons/Printf.qll/type.Printf$FormatLiteral.html">FormatLiteral</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><em>0xdbceffca</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$HexLiteral.html">HexLiteral</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><em>0167</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$OctalLiteral.html">OctalLiteral</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><em>‘c’</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$CharLiteral.html">CharLiteral</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><em>“abcdefgh”</em>, <em>L”wide”</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Literal.qll/type.Literal$StringLiteral.html">StringLiteral</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">new</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">[</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">]</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$NewArrayExpr.html">NewArrayExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">new</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$NewExpr.html">NewExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">delete</span> <span class="pre">[</span> <span class="pre">]</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$DeleteArrayExpr.html">DeleteArrayExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">delete</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$DeleteExpr.html">DeleteExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">noexcept</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$NoExceptExpr.html">NoExceptExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignExpr.html">AssignExpr</a></p></td>
<td><p>See also <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Initializer.qll/type.Initializer$Initializer.html">Initializer</a></p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">+=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignAddExpr.html">AssignAddExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignPointerAddExpr.html">AssignPointerAddExpr</a></div>
</div>
</td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">/=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignDivExpr.html">AssignDivExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">*=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignMulExpr.html">AssignMulExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">%=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignRemExpr.html">AssignRemExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">-=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignSubExpr.html">AssignSubExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignPointerSubExpr.html">AssignPointerSubExpr</a></div>
</div>
</td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&amp;=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignAndExpr.html">AssignAndExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&lt;&lt;=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignLShiftExpr.html">AssignLShiftExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> ``</p></td>
<td><p>=`` <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignOrExpr.html">AssignOrExpr</a></p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&gt;&gt;=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignRShiftExpr.html">AssignRShiftExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">^=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Assignment.qll/type.Assignment$AssignXorExpr.html">AssignXorExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">+</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$AddExpr.html">AddExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$PointerAddExpr.html">PointerAddExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$ImaginaryRealAddExpr.html">ImaginaryRealAddExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$RealImaginaryAddExpr.html">RealImaginaryAddExpr</a></div>
</div>
</td>
<td><div class="line-block">
<div class="line"><br /></div>
<div class="line"><br /></div>
<div class="line">C99</div>
<div class="line">C99</div>
</div>
</td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">/</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$DivExpr.html">DivExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$ImaginaryDivExpr.html">ImaginaryDivExpr</a></div>
</div>
</td>
<td><div class="line-block">
<div class="line"><br /></div>
<div class="line">C99</div>
</div>
</td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&gt;?</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$MaxExpr.html">MaxExpr</a></p></td>
<td><p>GNU extension</p></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&lt;?</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$MinExpr.html">MinExpr</a></p></td>
<td><p>GNU extension</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">*</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$MulExpr.html">MulExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$ImaginaryMulExpr.html">ImaginaryMulExpr</a></div>
</div>
</td>
<td><div class="line-block">
<div class="line"><br /></div>
<div class="line">C99</div>
</div>
</td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">%</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$RemExpr.html">RemExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">-</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$SubExpr.html">SubExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$PointerDiffExpr.html">PointerDiffExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$PointerSubExpr.html">PointerSubExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$ImaginaryRealSubExpr.html">ImaginaryRealSubExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$RealImaginarySubExpr.html">RealImaginarySubExpr</a></div>
</div>
</td>
<td><div class="line-block">
<div class="line"><br /></div>
<div class="line"><br /></div>
<div class="line"><br /></div>
<div class="line">C99</div>
<div class="line">C99</div>
</div>
</td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&amp;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BitwiseOperation.qll/type.BitwiseOperation$BitwiseAndExpr.html">BitwiseAndExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">|</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BitwiseOperation.qll/type.BitwiseOperation$BitwiseOrExpr.html">BitwiseOrExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">^</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BitwiseOperation.qll/type.BitwiseOperation$BitwiseXorExpr.html">BitwiseXorExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&lt;&lt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BitwiseOperation.qll/type.BitwiseOperation$LShiftExpr.html">LShiftExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&gt;&gt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BitwiseOperation.qll/type.BitwiseOperation$RShiftExpr.html">RShiftExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&amp;&amp;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/LogicalOperation.qll/type.LogicalOperation$LogicalAndExpr.html">LogicalAndExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">||</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/LogicalOperation.qll/type.LogicalOperation$LogicalOrExpr.html">LogicalOrExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">==</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ComparisonOperation.qll/type.ComparisonOperation$EQExpr.html">EQExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">!=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ComparisonOperation.qll/type.ComparisonOperation$NEExpr.html">NEExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&gt;=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ComparisonOperation.qll/type.ComparisonOperation$GEExpr.html">GEExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ComparisonOperation.qll/type.ComparisonOperation$GTExpr.html">GTExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&lt;=</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ComparisonOperation.qll/type.ComparisonOperation$LEExpr.html">LEExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">&lt;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ComparisonOperation.qll/type.ComparisonOperation$LTExpr.html">LTExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">?</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">:</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/LogicalOperation.qll/type.LogicalOperation$ConditionalExpr.html">ConditionalExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">&amp;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$AddressOfExpr.html">AddressOfExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">*</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$PointerDereferenceExpr.html">PointerDereferenceExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">--</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$PostfixDecrExpr.html">PostfixDecrExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">--</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$PrefixDecrExpr.html">PrefixDecrExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">++</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$PostfixIncrExpr.html">PostfixIncrExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">++</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$PrefixIncrExpr.html">PrefixIncrExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">__imag</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$ImaginaryPartExpr.html">ImaginaryPartExpr</a></p></td>
<td><p>GNU extension</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">__real</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$RealPartExpr.html">RealPartExpr</a></p></td>
<td><p>GNU extension</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">-</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$UnaryMinusExpr.html">UnaryMinusExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">+</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$UnaryPlusExpr.html">UnaryPlusExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">~</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><div class="line-block">
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BitwiseOperation.qll/type.BitwiseOperation$ComplementExpr.html">ComplementExpr</a></div>
<div class="line"><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/ArithmeticOperation.qll/type.ArithmeticOperation$ConjugationExpr.html">ConjugationExpr</a></div>
</div>
</td>
<td><div class="line-block">
<div class="line"><br /></div>
<div class="line">GNU extension</div>
</div>
</td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">!</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/LogicalOperation.qll/type.LogicalOperation$NotExpr.html">NotExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>vect</em> <code class="docutils literal notranslate"><span class="pre">__attribute__</span></code></div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">(</span> <span class="pre">vector_size</span> <span class="pre">(</span></code> <em>16</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">)</span> <span class="pre">)</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">=</span> <span class="pre">{</span></code> <em>3</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>8</em> <code class="docutils literal notranslate"><span class="pre">,</span></code> <em>32</em> <code class="docutils literal notranslate"><span class="pre">,</span></code>
<em>33</em> <code class="docutils literal notranslate"><span class="pre">};</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/BuiltInOperations.qll/type.BuiltInOperations$VectorFillOperation.html">VectorFillOperation</a></p></td>
<td><p>GNU extension</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">sizeof</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$SizeofExprOperator.html">SizeofExprOperator</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">sizeof</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$SizeofTypeOperator.html">SizeofTypeOperator</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename...</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">int</span></code> <em>count</em> <code class="docutils literal notranslate"><span class="pre">(</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&amp;&amp;...</span></code> <em>t</em> <code class="docutils literal notranslate"><span class="pre">)</span></code></div>
<div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">{</span> <span class="pre">return</span> <span class="pre">sizeof...</span> <span class="pre">(</span></code> <em>t</em> <code class="docutils literal notranslate"><span class="pre">);</span> <span class="pre">}</span></code></div>
</div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$SizeofPackOperator.html">SizeofPackOperator</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">{</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/stmts/Stmt.qll/type.Stmt$Stmt.html">Stmt</a>… <code class="docutils literal notranslate"><span class="pre">;</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">}</span> <span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$StmtExpr.html">StmtExpr</a></p></td>
<td><p>GNU/Clang extension</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">this</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$ThisExpr.html">ThisExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">throw</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">);</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$ThrowExpr.html">ThrowExpr</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">throw;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$ReThrowExpr.html">ReThrowExpr</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><div class="line-block">
<div class="line"><code class="docutils literal notranslate"><span class="pre">typeid</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></div>
<div class="line"><code class="docutils literal notranslate"><span class="pre">typeid</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></div>
</div>
</td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$TypeidOperator.html">TypeidOperator</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">__uuidof</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Cast.qll/type.Cast$UuidofOperator.html">UuidofOperator</a></p></td>
<td><p>Microsoft extension</p></td>
</tr>
</tbody>
</table>
</section>
<section id="type-classes">
<h3>Type classes<a class="headerlink" href="#type-classes" title="Link to this heading"></a></h3>
<p>This table lists subclasses of <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> representing C/C++ types.</p>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Example syntax</p></th>
<th class="head"><p>CodeQL class</p></th>
<th class="head"><p>Remarks</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">void</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$VoidType.html">VoidType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">_Bool</span></code> or <code class="docutils literal notranslate"><span class="pre">bool</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$BoolType.html">BoolType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">char16_t</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Char16Type.html">Char16Type</a></p></td>
<td><p>C11, C++11</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">char32_t</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Char32Type.html">Char32Type</a></p></td>
<td><p>C11, C++11</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">char</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$PlainCharType.html">PlainCharType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">signed</span> <span class="pre">char</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$SignedCharType.html">SignedCharType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">unsigned</span> <span class="pre">char</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$UnsignedCharType.html">UnsignedCharType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">int</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$IntType.html">IntType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">long</span> <span class="pre">long</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$LongLongType.html">LongLongType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">long</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$LongType.html">LongType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">short</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$ShortType.html">ShortType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">wchar_t</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$WideCharType.html">WideCharType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">nullptr_t</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$NullPointerType.html">NullPointerType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">double</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$DoubleType.html">DoubleType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">long</span> <span class="pre">double</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$LongDoubleType.html">LongDoubleType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">float</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$FloatType.html">FloatType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">auto</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$AutoType.html">AutoType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">decltype</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/exprs/Expr.qll/type.Expr$Expr.html">Expr</a> <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Decltype.html">Decltype</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">[</span></code> <em>n</em> <code class="docutils literal notranslate"><span class="pre">]</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$ArrayType.html">ArrayType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">^</span></code> <em>blockptr</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a>… <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$BlockType.html">BlockType</a></p></td>
<td><p>Apple extension</p></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">*</span></code> <em>funcptr</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a>… <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$FunctionPointerType.html">FunctionPointerType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">(</span> <span class="pre">&amp;</span></code> <em>funcref</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a>… <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$FunctionReferenceType.html">FunctionReferenceType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">__attribute__</span> <span class="pre">(</span> <span class="pre">(</span> <span class="pre">vector_size</span> <span class="pre">(</span></code> <em>n</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">)</span> <span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$GNUVectorType.html">GNUVectorType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">*</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$PointerType.html">PointerType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">&amp;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$LValueReferenceType.html">LValueReferenceType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">&amp;&amp;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$RValueReferenceType.html">RValueReferenceType</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$Type.html">Type</a> <code class="docutils literal notranslate"><span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Class.qll/type.Class$Class.html">Class</a> <code class="docutils literal notranslate"><span class="pre">*::</span></code> <em>membptr</em> <code class="docutils literal notranslate"><span class="pre">)</span> <span class="pre">(</span></code> <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Parameter.qll/type.Parameter$Parameter.html">Parameter</a>… <code class="docutils literal notranslate"><span class="pre">)</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$PointerToMemberType.html">PointerToMemberType</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename</span> <span class="pre">&gt;</span> <span class="pre">class</span></code> <em>C</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$TemplateTemplateParameter.html">TemplateTemplateParameter</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">template</span> <span class="pre">&lt;</span> <span class="pre">typename</span></code> <em>T</em> <code class="docutils literal notranslate"><span class="pre">&gt;</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Type.qll/type.Type$TemplateParameter.html">TemplateParameter</a></p></td>
<td></td>
</tr>
</tbody>
</table>
</section>
<section id="preprocessor-classes">
<h3>Preprocessor classes<a class="headerlink" href="#preprocessor-classes" title="Link to this heading"></a></h3>
<p>This table lists <a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/module.Preprocessor.html">Preprocessor</a> classes representing C/C++ preprocessing directives.</p>
<table class="docutils align-default">
<thead>
<tr class="row-odd"><th class="head"><p>Example syntax</p></th>
<th class="head"><p>CodeQL class</p></th>
<th class="head"><p>Remarks</p></th>
</tr>
</thead>
<tbody>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#elif</span></code> <em>condition</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorElif.html">PreprocessorElif</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">#if</span></code> <em>condition</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorIf.html">PreprocessorIf</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#ifdef</span></code> <em>macro</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorIfdef.html">PreprocessorIfdef</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">#ifndef</span></code> <em>macro</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorIfndef.html">PreprocessorIfndef</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#else</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorElse.html">PreprocessorElse</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">#endif</span></code></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorEndif.html">PreprocessorEndif</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#line</span></code> <em>line_number</em> <em>file_name</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorLine.html">PreprocessorLine</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">#pragma</span></code> <em>pragma_property</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorPragma.html">PreprocessorPragma</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#undef</span></code> <em>macro</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorUndef.html">PreprocessorUndef</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">#warning</span></code> <em>message</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorWarning.html">PreprocessorWarning</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#error</span></code> <em>message</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Preprocessor.qll/type.Preprocessor$PreprocessorError.html">PreprocessorError</a></p></td>
<td></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">#include</span></code> <em>file_name</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Include.qll/type.Include$Include.html">Include</a></p></td>
<td></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#import</span></code> <em>file_name</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Include.qll/type.Include$Import.html">Import</a></p></td>
<td><p>Apple/NeXT extension</p></td>
</tr>
<tr class="row-odd"><td><p><code class="docutils literal notranslate"><span class="pre">#include_next</span></code> <em>file_name</em></p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Include.qll/type.Include$IncludeNext.html">IncludeNext</a></p></td>
<td><p>Apple/NeXT extension</p></td>
</tr>
<tr class="row-even"><td><p><code class="docutils literal notranslate"><span class="pre">#define</span></code> <em>macro</em> …</p></td>
<td><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/semmle/code/cpp/Macro.qll/type.Macro$Macro.html">Macro</a></p></td>
<td></td>
</tr>
</tbody>
</table>
</section>
</section>
<section id="further-reading">
<h2>Further reading<a class="headerlink" href="#further-reading" title="Link to this heading"></a></h2>
<ul class="simple">
<li><p><a class="reference external" href="https://github.com/github/codeql/tree/main/cpp/ql/src">CodeQL queries for C and C++</a></p></li>
<li><p><a class="reference external" href="https://github.com/github/codeql/tree/main/cpp/ql/examples">Example queries for C and C++</a></p></li>
<li><p><a class="reference external" href="https://codeql.github.com/codeql-standard-libraries/cpp/">CodeQL library reference for C and C++</a></p></li>
</ul>
<ul class="simple">
<li><p>“<a class="reference internal" href="../ql-language-reference/index.html#ql-language-reference"><span class="std std-ref">QL language reference</span></a>”</p></li>
<li><p>“<a class="reference internal" href="../codeql-overview/codeql-tools.html#codeql-tools"><span class="std std-ref">CodeQL tools</span></a>”</p></li>
</ul>
</section>
</section>
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