s="keyword">const</span><span class="special">;</span></pre>
<p>Accessor for the error_type value 

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<td><p><span class="term">Returns:</span></p></td>
<td><p>the error_type code passed to the constructor </p></td>
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<td><p><span class="term">Throws:</span></p></td>
<td>Will not throw.</td>
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