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<h1 class="title">nilcheck</h1>
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<li>
<a class="reference reference-toplevel" href="#6" id="56">Imports</a>
</li>
<li>
<details open>
<summary><a class="reference reference-toplevel" href="#7" id="57">Types</a></summary>
<ul class="simple simple-toc-section">
<li><a class="reference" href="#Nilability" title="Nilability = enum
Parent, Safe, MaybeNil, Nil, Unreachable">Nilability</a></li>
</ul>
</details>
</li>
<li>
<details open>
<summary><a class="reference reference-toplevel" href="#12" id="62">Procs</a></summary>
<ul class="simple simple-toc-section">
<ul class="simple nested-toc-section">$
<li><a class="reference" href="#%24%2CExprIndex" title="`$`(a: ExprIndex): string">`$`(a: ExprIndex): string</a></li>
<li><a class="reference" href="#%24%2CSetIndex" title="`$`(a: SetIndex): string">`$`(a: SetIndex): string</a></li>
</ul>
<ul class="simple nested-toc-section">+
<li><a class="reference" href="#%2B%2CExprIndex%2CExprIndex" title="`+`(a: ExprIndex; b: ExprIndex): ExprIndex">`+`(a: ExprIndex; b: ExprIndex): ExprIndex</a></li>
<li><a class="reference" href="#%2B%2CSetIndex%2CSetIndex" title="`+`(a: SetIndex; b: SetIndex): SetIndex">`+`(a: SetIndex; b: SetIndex): SetIndex</a></li>
</ul>
<ul class="simple nested-toc-section">-
<li><a class="reference" href="#-%2CExprIndex%2CExprIndex" title="`-`(a: ExprIndex; b: ExprIndex): ExprIndex">`-`(a: ExprIndex; b: ExprIndex): ExprIndex</a></li>
<li><a class="reference" href="#-%2CSetIndex%2CSetIndex" title="`-`(a: SetIndex; b: SetIndex): SetIndex">`-`(a: SetIndex; b: SetIndex): SetIndex</a></li>
</ul>
<ul class="simple nested-toc-section"><
<li><a class="reference" href="#%3C%2CExprIndex%2CExprIndex" title="`&lt;`(a: ExprIndex; b: ExprIndex): bool">`&lt;`(a: ExprIndex; b: ExprIndex): bool</a></li>
</ul>
<ul class="simple nested-toc-section"><=
<li><a class="reference" href="#%3C%3D%2CExprIndex%2CExprIndex" title="`&lt;=`(a: ExprIndex; b: ExprIndex): bool">`&lt;=`(a: ExprIndex; b: ExprIndex): bool</a></li>
</ul>
<ul class="simple nested-toc-section">==
<li><a class="reference" href="#%3D%3D%2CExprIndex%2CExprIndex" title="`==`(a: ExprIndex; b: ExprIndex): bool">`==`(a: ExprIndex; b: ExprIndex): bool</a></li>
<li><a class="reference" href="#%3D%3D%2CSetIndex%2CSetIndex" title="`==`(a: SetIndex; b: SetIndex): bool">`==`(a: SetIndex; b: SetIndex): bool</a></li>
</ul>
<ul class="simple nested-toc-section">>
<li><a class="reference" href="#%3E%2CExprIndex%2CExprIndex" title="`&gt;`(a: ExprIndex; b: ExprIndex): bool">`&gt;`(a: ExprIndex; b: ExprIndex): bool</a></li>
</ul>
<ul class="simple nested-toc-section">>=
<li><a class="reference" href="#%3E%3D%2CExprIndex%2CExprIndex" title="`&gt;=`(a: ExprIndex; b: ExprIndex): bool">`&gt;=`(a: ExprIndex; b: ExprIndex): bool</a></li>
</ul>
<ul class="simple nested-toc-section">add
<li><a class="reference" href="#add%2CSeqOfDistinct%5BT%2CU%5D%2CU" title="add[T, U](a: var SeqOfDistinct[T, U]; value: U)">add[T, U](a: var SeqOfDistinct[T, U]; value: U)</a></li>
</ul>
<ul class="simple nested-toc-section">checkNil
<li><a class="reference" href="#checkNil%2CPSym%2CPNode%2CConfigRef%2CIdGenerator" title="checkNil(s: PSym; body: PNode; conf: ConfigRef; idgen: IdGenerator)">checkNil(s: PSym; body: PNode; conf: ConfigRef; idgen: IdGenerator)</a></li>
</ul>
</ul>
</details>
</li>
</ul>
</div>
<div class="nine columns" id="content">
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L1" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L1" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
<div id="tocRoot"></div>
<p class="module-desc"></p>
<div class="section" id="6">
<h1><a class="toc-backref" href="#6">Imports</a></h1>
<dl class="item">
<a class="reference external" href="ast.html">ast</a>, <a class="reference external" href="renderer.html">renderer</a>, <a class="reference external" href="msgs.html">msgs</a>, <a class="reference external" href="options.html">options</a>, <a class="reference external" href="lineinfos.html">lineinfos</a>, <a class="reference external" href="idents.html">idents</a>, <a class="reference external" href="treetab.html">treetab</a>
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<div class="section" id="7">
<h1><a class="toc-backref" href="#7">Types</a></h1>
<dl class="item">
<div id="Nilability">
<dt><pre><a href="nilcheck.html#Nilability"><span class="Identifier">Nilability</span></a> <span class="Other">=</span> <span class="Keyword">enum</span>
<span class="Identifier">Parent</span><span class="Other">,</span> <span class="Identifier">Safe</span><span class="Other">,</span> <span class="Identifier">MaybeNil</span><span class="Other">,</span> <span class="Identifier">Nil</span><span class="Other">,</span> <span class="Identifier">Unreachable</span></pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L166" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L166" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</dl>
</div>
<div class="section" id="12">
<h1><a class="toc-backref" href="#12">Procs</a></h1>
<dl class="item">
<div id="$-procs-all">
<div id="$,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%24%2CExprIndex"><span class="Identifier">`$`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">string</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L195" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L195" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
<div id="$,SetIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%24%2CSetIndex"><span class="Identifier">`$`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">SetIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">string</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L205" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L205" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="+-procs-all">
<div id="+,ExprIndex,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%2B%2CExprIndex%2CExprIndex"><span class="Identifier">`+`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L198" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L198" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
<div id="+,SetIndex,SetIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%2B%2CSetIndex%2CSetIndex"><span class="Identifier">`+`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">SetIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">SetIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">SetIndex</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L211" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L211" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="--procs-all">
<div id="-,ExprIndex,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#-%2CExprIndex%2CExprIndex"><span class="Identifier">`-`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L202" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L202" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
<div id="-,SetIndex,SetIndex">
<dt><pre><span class="Keyword">func</span> <a href="#-%2CSetIndex%2CSetIndex"><span class="Identifier">`-`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">SetIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">SetIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">SetIndex</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L215" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L215" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="&lt;-procs-all">
<div id="<,ExprIndex,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%3C%2CExprIndex%2CExprIndex"><span class="Identifier">`&lt;`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L180" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L180" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="&lt;=-procs-all">
<div id="<=,ExprIndex,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%3C%3D%2CExprIndex%2CExprIndex"><span class="Identifier">`&lt;=`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L183" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L183" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="==-procs-all">
<div id="==,ExprIndex,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%3D%3D%2CExprIndex%2CExprIndex"><span class="Identifier">`==`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L192" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L192" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
<div id="==,SetIndex,SetIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%3D%3D%2CSetIndex%2CSetIndex"><span class="Identifier">`==`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">SetIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">SetIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L208" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L208" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="&gt;-procs-all">
<div id=">,ExprIndex,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%3E%2CExprIndex%2CExprIndex"><span class="Identifier">`&gt;`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L186" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L186" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="&gt;=-procs-all">
<div id=">=,ExprIndex,ExprIndex">
<dt><pre><span class="Keyword">func</span> <a href="#%3E%3D%2CExprIndex%2CExprIndex"><span class="Identifier">`&gt;=`</span></a><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">;</span> <span class="Identifier">b</span><span class="Other">:</span> <span class="Identifier">ExprIndex</span><span class="Other">)</span><span class="Other">:</span> <span class="Identifier">bool</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L189" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L189" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="add-procs-all">
<div id="add,SeqOfDistinct[T,U],U">
<dt><pre><span class="Keyword">proc</span> <a href="#add%2CSeqOfDistinct%5BT%2CU%5D%2CU"><span class="Identifier">add</span></a><span class="Other">[</span><span class="Identifier">T</span><span class="Other">,</span> <span class="Identifier">U</span><span class="Other">]</span><span class="Other">(</span><span class="Identifier">a</span><span class="Other">:</span> <span class="Keyword">var</span> <span class="Identifier">SeqOfDistinct</span><span class="Other">[</span><span class="Identifier">T</span><span class="Other">,</span> <span class="Identifier">U</span><span class="Other">]</span><span class="Other">;</span> <span class="Identifier">value</span><span class="Other">:</span> <span class="Identifier">U</span><span class="Other">)</span></pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L109" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L109" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
<div id="checkNil-procs-all">
<div id="checkNil,PSym,PNode,ConfigRef,IdGenerator">
<dt><pre><span class="Keyword">proc</span> <a href="#checkNil%2CPSym%2CPNode%2CConfigRef%2CIdGenerator"><span class="Identifier">checkNil</span></a><span class="Other">(</span><span class="Identifier">s</span><span class="Other">:</span> <a href="astdef.html#PSym"><span class="Identifier">PSym</span></a><span class="Other">;</span> <span class="Identifier">body</span><span class="Other">:</span> <a href="astdef.html#PNode"><span class="Identifier">PNode</span></a><span class="Other">;</span> <span class="Identifier">conf</span><span class="Other">:</span> <a href="options.html#ConfigRef"><span class="Identifier">ConfigRef</span></a><span class="Other">;</span> <span class="Identifier">idgen</span><span class="Other">:</span> <a href="ast.html#IdGenerator"><span class="Identifier">IdGenerator</span></a><span class="Other">)</span> {.<span><span class="Other pragmadots">...</span></span><span class="pragmawrap"><span class="Identifier">raises</span><span class="Other">:</span> <span class="Other">[</span>
<span class="Identifier">Exception</span><span class="Other">,</span> <span class="Identifier">OSError</span><span class="Other">,</span> <span class="Identifier">KeyError</span><span class="Other">,</span> <span class="Identifier">ValueError</span><span class="Other">,</span> <span class="Identifier">IOError</span><span class="Other">,</span> <span class="Identifier">ERecoverableError</span><span class="Other">]</span><span class="Other">,</span> <span class="Identifier">tags</span><span class="Other">:</span> <span class="Other">[</span>
<span class="Identifier">RootEffect</span><span class="Other">,</span> <span class="Identifier">WriteIOEffect</span><span class="Other">,</span> <span class="Identifier">ReadEnvEffect</span><span class="Other">,</span> <span class="Identifier">ReadIOEffect</span><span class="Other">,</span> <span class="Identifier">ReadDirEffect</span><span class="Other">]</span><span class="Other">,</span>
<span class="Identifier">forbids</span><span class="Other">:</span> <span class="Other">[</span><span class="Other">]</span></span>.}</pre></dt>
<dd>
<a href="https://github.com/nim-lang/Nim/tree/devel/compiler/nilcheck.nim#L1355" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/compiler/nilcheck.nim#L1355" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;
</dd>
</div>
</div>
</dl>
</div>
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