f="#comment-func-mns-t_-signednumbertype_-t">prefix func <wbr>- &lt;T : SignedNumberType&gt;(<wbr>_: T)</a>
        
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    <h4>Declaration</h4>    
    <code class="language-swift">prefix func -&lt;T : SignedNumberType&gt;(x: T) -&gt; T</code>
    
    
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