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      <h1 class="title">std/effecttraits</h1>
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  <a class="reference reference-toplevel" href="#6" id="56">Imports</a>
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      <ul class="simple nested-toc-section">getForbidsList
  <li><a class="reference" href="#getForbidsList%2CNimNode" title="getForbidsList(fn: NimNode): NimNode">getForbidsList(fn: NimNode): NimNode</a></li>

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<ul class="simple nested-toc-section">getRaisesList
  <li><a class="reference" href="#getRaisesList%2CNimNode" title="getRaisesList(fn: NimNode): NimNode">getRaisesList(fn: NimNode): NimNode</a></li>

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<ul class="simple nested-toc-section">getTagsList
  <li><a class="reference" href="#getTagsList%2CNimNode" title="getTagsList(fn: NimNode): NimNode">getTagsList(fn: NimNode): NimNode</a></li>

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<ul class="simple nested-toc-section">hasNoSideEffects
  <li><a class="reference" href="#hasNoSideEffects%2CNimNode" title="hasNoSideEffects(fn: NimNode): bool">hasNoSideEffects(fn: NimNode): bool</a></li>

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<ul class="simple nested-toc-section">isGcSafe
  <li><a class="reference" href="#isGcSafe%2CNimNode" title="isGcSafe(fn: NimNode): bool">isGcSafe(fn: NimNode): bool</a></li>

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    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/effecttraits.nim#L1" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/effecttraits.nim#L1" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

    <div id="tocRoot"></div>
    
    <p class="module-desc"><p>This module provides access to the inferred .raises effects for Nim's macro system. <strong>Since</strong>: Version 1.4.</p>
<p>One can test for the existence of this standard module via <tt class="docutils literal"><span class="pre"><span class="Identifier">defined</span><span class="Punctuation">(</span><span class="Identifier">nimHasEffectTraitsModule</span><span class="Punctuation">)</span></span></tt>.</p>
</p>
    <div class="section" id="6">
  <h1><a class="toc-backref" href="#6">Imports</a></h1>
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    <a class="reference external" href="macros.html">macros</a>, <a class="reference external" href="assertions.html">assertions</a>
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<div class="section" id="12">
  <h1><a class="toc-backref" href="#12">Procs</a></h1>
  <dl class="item">
    <div id="getForbidsList-procs-all">
  <div id="getForbidsList,NimNode">
  <dt><pre><span class="Keyword">proc</span> <a href="#getForbidsList%2CNimNode"><span class="Identifier">getForbidsList</span></a><span class="Other">(</span><span class="Identifier">fn</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a> {.<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>
    
    Extracts the <tt class="docutils literal"><span class="pre"><span class="Operator">.</span><span class="Identifier">forbids</span></span></tt> list of the func/proc/etc <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt> has to be a resolved symbol of kind <tt class="docutils literal"><span class="pre"><span class="Identifier">nnkSym</span></span></tt>. This implies that the macro that calls this proc should accept <tt class="docutils literal"><span class="pre"><span class="Identifier">typed</span></span></tt> arguments and not <tt class="docutils literal"><span class="pre"><span class="Identifier">untyped</span></span></tt> arguments.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/effecttraits.nim#L44" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/effecttraits.nim#L44" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
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</div>
<div id="getRaisesList-procs-all">
  <div id="getRaisesList,NimNode">
  <dt><pre><span class="Keyword">proc</span> <a href="#getRaisesList%2CNimNode"><span class="Identifier">getRaisesList</span></a><span class="Other">(</span><span class="Identifier">fn</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a> {.<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>
    
    Extracts the <tt class="docutils literal"><span class="pre"><span class="Operator">.</span><span class="Identifier">raises</span></span></tt> list of the func/proc/etc <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt> has to be a resolved symbol of kind <tt class="docutils literal"><span class="pre"><span class="Identifier">nnkSym</span></span></tt>. This implies that the macro that calls this proc should accept <tt class="docutils literal"><span class="pre"><span class="Identifier">typed</span></span></tt> arguments and not <tt class="docutils literal"><span class="pre"><span class="Identifier">untyped</span></span></tt> arguments.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/effecttraits.nim#L28" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/effecttraits.nim#L28" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

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<div id="getTagsList-procs-all">
  <div id="getTagsList,NimNode">
  <dt><pre><span class="Keyword">proc</span> <a href="#getTagsList%2CNimNode"><span class="Identifier">getTagsList</span></a><span class="Other">(</span><span class="Identifier">fn</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a> {.<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>
    
    Extracts the <tt class="docutils literal"><span class="pre"><span class="Operator">.</span><span class="Identifier">tags</span></span></tt> list of the func/proc/etc <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt> has to be a resolved symbol of kind <tt class="docutils literal"><span class="pre"><span class="Identifier">nnkSym</span></span></tt>. This implies that the macro that calls this proc should accept <tt class="docutils literal"><span class="pre"><span class="Identifier">typed</span></span></tt> arguments and not <tt class="docutils literal"><span class="pre"><span class="Identifier">untyped</span></span></tt> arguments.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/effecttraits.nim#L36" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/effecttraits.nim#L36" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

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<div id="hasNoSideEffects-procs-all">
  <div id="hasNoSideEffects,NimNode">
  <dt><pre><span class="Keyword">proc</span> <a href="#hasNoSideEffects%2CNimNode"><span class="Identifier">hasNoSideEffects</span></a><span class="Other">(</span><span class="Identifier">fn</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a> {.<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>
    
    Return true if the func/proc/etc <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt> has <tt class="docutils literal"><span class="pre"><span class="Identifier">noSideEffect</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt> has to be a resolved symbol of kind <tt class="docutils literal"><span class="pre"><span class="Identifier">nnkSym</span></span></tt>. This implies that the macro that calls this proc should accept <tt class="docutils literal"><span class="pre"><span class="Identifier">typed</span></span></tt> arguments and not <tt class="docutils literal"><span class="pre"><span class="Identifier">untyped</span></span></tt> arguments.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/effecttraits.nim#L60" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/effecttraits.nim#L60" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

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<div id="isGcSafe-procs-all">
  <div id="isGcSafe,NimNode">
  <dt><pre><span class="Keyword">proc</span> <a href="#isGcSafe%2CNimNode"><span class="Identifier">isGcSafe</span></a><span class="Other">(</span><span class="Identifier">fn</span><span class="Other">:</span> <a href="system.html#NimNode"><span class="Identifier">NimNode</span></a><span class="Other">)</span><span class="Other">:</span> <a href="system.html#bool"><span class="Identifier">bool</span></a> {.<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>
    
    Return true if the func/proc/etc <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt> is <tt class="docutils literal"><span class="pre"><span class="Identifier">gcsafe</span></span></tt>. <tt class="docutils literal"><span class="pre"><span class="Identifier">fn</span></span></tt> has to be a resolved symbol of kind <tt class="docutils literal"><span class="pre"><span class="Identifier">nnkSym</span></span></tt>. This implies that the macro that calls this proc should accept <tt class="docutils literal"><span class="pre"><span class="Identifier">typed</span></span></tt> arguments and not <tt class="docutils literal"><span class="pre"><span class="Identifier">untyped</span></span></tt> arguments.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/std/effecttraits.nim#L52" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/std/effecttraits.nim#L52" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

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