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      <h1 class="title">system/exceptions</h1>
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  <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="#AccessViolationDefect" title="AccessViolationDefect = object of Defect">AccessViolationDefect</a></li>
<li><a class="reference" href="#ArithmeticDefect" title="ArithmeticDefect = object of Defect">ArithmeticDefect</a></li>
<li><a class="reference" href="#AssertionDefect" title="AssertionDefect = object of Defect">AssertionDefect</a></li>
<li><a class="reference" href="#DeadThreadDefect" title="DeadThreadDefect = object of Defect">DeadThreadDefect</a></li>
<li><a class="reference" href="#DivByZeroDefect" title="DivByZeroDefect = object of ArithmeticDefect">DivByZeroDefect</a></li>
<li><a class="reference" href="#EOFError" title="EOFError = object of IOError">EOFError</a></li>
<li><a class="reference" href="#ExecIOEffect" title="ExecIOEffect = object of IOEffect">ExecIOEffect</a></li>
<li><a class="reference" href="#FieldDefect" title="FieldDefect = object of Defect">FieldDefect</a></li>
<li><a class="reference" href="#FloatDivByZeroDefect" title="FloatDivByZeroDefect = object of FloatingPointDefect">FloatDivByZeroDefect</a></li>
<li><a class="reference" href="#FloatInexactDefect" title="FloatInexactDefect = object of FloatingPointDefect">FloatInexactDefect</a></li>
<li><a class="reference" href="#FloatingPointDefect" title="FloatingPointDefect = object of Defect">FloatingPointDefect</a></li>
<li><a class="reference" href="#FloatInvalidOpDefect" title="FloatInvalidOpDefect = object of FloatingPointDefect">FloatInvalidOpDefect</a></li>
<li><a class="reference" href="#FloatOverflowDefect" title="FloatOverflowDefect = object of FloatingPointDefect">FloatOverflowDefect</a></li>
<li><a class="reference" href="#FloatUnderflowDefect" title="FloatUnderflowDefect = object of FloatingPointDefect">FloatUnderflowDefect</a></li>
<li><a class="reference" href="#IndexDefect" title="IndexDefect = object of Defect">IndexDefect</a></li>
<li><a class="reference" href="#IOEffect" title="IOEffect = object of RootEffect">IOEffect</a></li>
<li><a class="reference" href="#IOError" title="IOError = object of CatchableError">IOError</a></li>
<li><a class="reference" href="#KeyError" title="KeyError = object of ValueError">KeyError</a></li>
<li><a class="reference" href="#LibraryError" title="LibraryError = object of OSError">LibraryError</a></li>
<li><a class="reference" href="#NilAccessDefect" title="NilAccessDefect = object of Defect">NilAccessDefect</a></li>
<li><a class="reference" href="#ObjectAssignmentDefect" title="ObjectAssignmentDefect = object of Defect">ObjectAssignmentDefect</a></li>
<li><a class="reference" href="#ObjectConversionDefect" title="ObjectConversionDefect = object of Defect">ObjectConversionDefect</a></li>
<li><a class="reference" href="#OSError" title="OSError = object of CatchableError
  errorCode*: int32          ## OS-defined error code describing this error.">OSError</a></li>
<li><a class="reference" href="#OutOfMemDefect" title="OutOfMemDefect = object of Defect">OutOfMemDefect</a></li>
<li><a class="reference" href="#OverflowDefect" title="OverflowDefect = object of ArithmeticDefect">OverflowDefect</a></li>
<li><a class="reference" href="#RangeDefect" title="RangeDefect = object of Defect">RangeDefect</a></li>
<li><a class="reference" href="#ReadIOEffect" title="ReadIOEffect = object of IOEffect">ReadIOEffect</a></li>
<li><a class="reference" href="#ReraiseDefect" title="ReraiseDefect = object of Defect">ReraiseDefect</a></li>
<li><a class="reference" href="#ResourceExhaustedError" title="ResourceExhaustedError = object of CatchableError">ResourceExhaustedError</a></li>
<li><a class="reference" href="#StackOverflowDefect" title="StackOverflowDefect = object of Defect">StackOverflowDefect</a></li>
<li><a class="reference" href="#TimeEffect" title="TimeEffect = object of RootEffect">TimeEffect</a></li>
<li><a class="reference" href="#ValueError" title="ValueError = object of CatchableError">ValueError</a></li>
<li><a class="reference" href="#WriteIOEffect" title="WriteIOEffect = object of IOEffect">WriteIOEffect</a></li>

    </ul>
  </details>
</li>

</ul>

  </div>
  <div class="nine columns" id="content">
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L1" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L1" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

    <div id="tocRoot"></div>
    
    <p class="module-desc">Exception and effect types used in Nim code.</p>
    <div class="section" id="7">
  <h1><a class="toc-backref" href="#7">Types</a></h1>
  <dl class="item">
    <div id="AccessViolationDefect">
  <dt><pre><a href="exceptions.html#AccessViolationDefect"><span class="Identifier">AccessViolationDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised for invalid memory access errors
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L32" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L32" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ArithmeticDefect">
  <dt><pre><a href="exceptions.html#ArithmeticDefect"><span class="Identifier">ArithmeticDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if any kind of arithmetic error occurred.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L22" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L22" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="AssertionDefect">
  <dt><pre><a href="exceptions.html#AssertionDefect"><span class="Identifier">AssertionDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    <p>
Raised when assertion is proved wrong.</p>
<p>Usually the result of using the <a class="reference external" href="assertions.html#assert.t,untyped,string">assert() template</a>.</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L34" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L34" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
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<div id="DeadThreadDefect">
  <dt><pre><a href="exceptions.html#DeadThreadDefect"><span class="Identifier">DeadThreadDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if it is attempted to send a message to a dead thread.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L92" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L92" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="DivByZeroDefect">
  <dt><pre><a href="exceptions.html#DivByZeroDefect"><span class="Identifier">DivByZeroDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#ArithmeticDefect"><span class="Identifier">ArithmeticDefect</span></a></pre></dt>
  <dd>
    
    
Raised for runtime integer divide-by-zero errors.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L24" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L24" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="EOFError">
  <dt><pre><a href="exceptions.html#EOFError"><span class="Identifier">EOFError</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#IOError"><span class="Identifier">IOError</span></a></pre></dt>
  <dd>
    
    
Raised if an IO &quot;end of file&quot; error occurred.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L13" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L13" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ExecIOEffect">
  <dt><pre><a href="exceptions.html#ExecIOEffect"><span class="Identifier">ExecIOEffect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#IOEffect"><span class="Identifier">IOEffect</span></a></pre></dt>
  <dd>
    
    Effect describing an executing IO operation.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L8" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L8" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="FieldDefect">
  <dt><pre><a href="exceptions.html#FieldDefect"><span class="Identifier">FieldDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if a record field is not accessible because its discriminant's value does not fit.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L52" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L52" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="FloatDivByZeroDefect">
  <dt><pre><a href="exceptions.html#FloatDivByZeroDefect"><span class="Identifier">FloatDivByZeroDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#FloatingPointDefect"><span class="Identifier">FloatingPointDefect</span></a></pre></dt>
  <dd>
    
    <p>
Raised by division by zero.</p>
<p>Divisor is zero and dividend is a finite nonzero number.</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L72" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L72" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="FloatInexactDefect">
  <dt><pre><a href="exceptions.html#FloatInexactDefect"><span class="Identifier">FloatInexactDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#FloatingPointDefect"><span class="Identifier">FloatingPointDefect</span></a></pre></dt>
  <dd>
    
    <p>
Raised for inexact results.</p>
<p>The operation produced a result that cannot be represented with infinite precision -- for example: <tt class="docutils literal"><span class="pre"><span class="FloatNumber">2.0</span> <span class="Operator">/</span> <span class="FloatNumber">3.0</span><span class="Punctuation">,</span> <span class="Identifier">log</span><span class="Punctuation">(</span><span class="FloatNumber">1.1</span><span class="Punctuation">)</span></span></tt></p>
<p><strong>Note</strong>: Nim currently does not detect these!</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L85" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L85" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="FloatingPointDefect">
  <dt><pre><a href="exceptions.html#FloatingPointDefect"><span class="Identifier">FloatingPointDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Base class for floating point exceptions.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L66" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L66" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="FloatInvalidOpDefect">
  <dt><pre><a href="exceptions.html#FloatInvalidOpDefect"><span class="Identifier">FloatInvalidOpDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#FloatingPointDefect"><span class="Identifier">FloatingPointDefect</span></a></pre></dt>
  <dd>
    
    <p>
Raised by invalid operations according to IEEE.</p>
<p>Raised by <tt class="docutils literal"><span class="pre"><span class="FloatNumber">0.0</span><span class="Operator">/</span><span class="FloatNumber">0.0</span></span></tt>, for example.</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L68" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L68" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="FloatOverflowDefect">
  <dt><pre><a href="exceptions.html#FloatOverflowDefect"><span class="Identifier">FloatOverflowDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#FloatingPointDefect"><span class="Identifier">FloatingPointDefect</span></a></pre></dt>
  <dd>
    
    <p>
Raised for overflows.</p>
<p>The operation produced a result that exceeds the range of the exponent.</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L76" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L76" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="FloatUnderflowDefect">
  <dt><pre><a href="exceptions.html#FloatUnderflowDefect"><span class="Identifier">FloatUnderflowDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#FloatingPointDefect"><span class="Identifier">FloatingPointDefect</span></a></pre></dt>
  <dd>
    
    <p>
Raised for underflows.</p>
<p>The operation produced a result that is too small to be represented as a normal number.</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L80" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L80" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="IndexDefect">
  <dt><pre><a href="exceptions.html#IndexDefect"><span class="Identifier">IndexDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if an array index is out of bounds.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L49" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
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  </dd>
</div>
<div id="IOEffect">
  <dt><pre><a href="exceptions.html#IOEffect"><span class="Identifier">IOEffect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#RootEffect"><span class="Identifier">RootEffect</span></a></pre></dt>
  <dd>
    
    IO effect.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L5" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L5" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="IOError">
  <dt><pre><a href="exceptions.html#IOError"><span class="Identifier">IOError</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#CatchableError"><span class="Identifier">CatchableError</span></a></pre></dt>
  <dd>
    
    
Raised if an IO error occurred.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L11" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L11" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="KeyError">
  <dt><pre><a href="exceptions.html#KeyError"><span class="Identifier">KeyError</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#ValueError"><span class="Identifier">ValueError</span></a></pre></dt>
  <dd>
    
    <p>
Raised if a key cannot be found in a table.</p>
<p>Mostly used by the <a class="reference external" href="tables.html">tables</a> module, it can also be raised by other collection modules like <a class="reference external" href="sets.html">sets</a> or <a class="reference external" href="strtabs.html">strtabs</a>.</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L41" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L41" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="LibraryError">
  <dt><pre><a href="exceptions.html#LibraryError"><span class="Identifier">LibraryError</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#OSError"><span class="Identifier">OSError</span></a></pre></dt>
  <dd>
    
    
Raised if a dynamic library could not be loaded.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L18" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L18" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="NilAccessDefect">
  <dt><pre><a href="exceptions.html#NilAccessDefect"><span class="Identifier">NilAccessDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    <p>
Raised on dereferences of <tt class="docutils literal"><span class="pre"><span class="Keyword">nil</span></span></tt> pointers.</p>
<p>This is only raised if the <a class="reference external" href="segfaults.html">segfaults module</a> was imported!</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L94" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L94" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ObjectAssignmentDefect">
  <dt><pre><a href="exceptions.html#ObjectAssignmentDefect"><span class="Identifier">ObjectAssignmentDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if an object gets assigned to its parent's object.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L61" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L61" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ObjectConversionDefect">
  <dt><pre><a href="exceptions.html#ObjectConversionDefect"><span class="Identifier">ObjectConversionDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if an object is converted to an incompatible object type. You can use <tt class="docutils literal"><span class="pre"><span class="Keyword">of</span></span></tt> operator to check if conversion will succeed.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L63" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L63" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="OSError">
  <dt><pre><a href="exceptions.html#OSError"><span class="Identifier">OSError</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#CatchableError"><span class="Identifier">CatchableError</span></a>
  <span class="Identifier">errorCode</span><span class="Operator">*</span><span class="Other">:</span> <a href="system.html#int32"><span class="Identifier">int32</span></a>          <span class="Comment">## OS-defined error code describing this error.</span></pre></dt>
  <dd>
    
    
Raised if an operating system service failed.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L15" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L15" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="OutOfMemDefect">
  <dt><pre><a href="exceptions.html#OutOfMemDefect"><span class="Identifier">OutOfMemDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised for unsuccessful attempts to allocate memory.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L47" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L47" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="OverflowDefect">
  <dt><pre><a href="exceptions.html#OverflowDefect"><span class="Identifier">OverflowDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#ArithmeticDefect"><span class="Identifier">ArithmeticDefect</span></a></pre></dt>
  <dd>
    
    <p>
Raised for runtime integer overflows.</p>
<p>This happens for calculations whose results are too large to fit in the provided bits.</p>

    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L27" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L27" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="RangeDefect">
  <dt><pre><a href="exceptions.html#RangeDefect"><span class="Identifier">RangeDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if a range check error occurred.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L55" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L55" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ReadIOEffect">
  <dt><pre><a href="exceptions.html#ReadIOEffect"><span class="Identifier">ReadIOEffect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#IOEffect"><span class="Identifier">IOEffect</span></a></pre></dt>
  <dd>
    
    Effect describing a read IO operation.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L6" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L6" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ReraiseDefect">
  <dt><pre><a href="exceptions.html#ReraiseDefect"><span class="Identifier">ReraiseDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if there is no exception to reraise.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L59" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L59" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ResourceExhaustedError">
  <dt><pre><a href="exceptions.html#ResourceExhaustedError"><span class="Identifier">ResourceExhaustedError</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#CatchableError"><span class="Identifier">CatchableError</span></a></pre></dt>
  <dd>
    
    
Raised if a resource request could not be fulfilled.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L20" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L20" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="StackOverflowDefect">
  <dt><pre><a href="exceptions.html#StackOverflowDefect"><span class="Identifier">StackOverflowDefect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#Defect"><span class="Identifier">Defect</span></a></pre></dt>
  <dd>
    
    
Raised if the hardware stack used for subroutine calls overflowed.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L57" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L57" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="TimeEffect">
  <dt><pre><a href="exceptions.html#TimeEffect"><span class="Identifier">TimeEffect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#RootEffect"><span class="Identifier">RootEffect</span></a></pre></dt>
  <dd>
    
    Time effect.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L4" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L4" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="ValueError">
  <dt><pre><a href="exceptions.html#ValueError"><span class="Identifier">ValueError</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="system.html#CatchableError"><span class="Identifier">CatchableError</span></a></pre></dt>
  <dd>
    
    
Raised for string and object conversion errors.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L39" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L39" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>
<div id="WriteIOEffect">
  <dt><pre><a href="exceptions.html#WriteIOEffect"><span class="Identifier">WriteIOEffect</span></a> <span class="Other">=</span> <span class="Keyword">object</span> <span class="Keyword">of</span> <a href="exceptions.html#IOEffect"><span class="Identifier">IOEffect</span></a></pre></dt>
  <dd>
    
    Effect describing a write IO operation.
    <a href="https://github.com/nim-lang/Nim/tree/devel/lib/system/exceptions.nim#L7" class="link-seesrc" target="_blank">Source</a>&nbsp;&nbsp;
<a href="https://github.com/nim-lang/Nim/edit/devel/lib/system/exceptions.nim#L7" class="link-seesrc" target="_blank" >Edit</a>&nbsp;&nbsp;

  </dd>
</div>

  </dl>
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