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layout: stdlib-reference
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# unused

## Description

Use an otherwise unused value
This can be used to silence the warning about returning before initializing an out paramter.




## Signature 

<pre>
<span class="code_keyword">void</span> <a href="unused.html">unused</a>&lt;<a href="unused.html#typeparam-T" class="code_type">T</a>&gt;(<span class="code_keyword">inout</span> <a href="unused.html#typeparam-T" class="code_type">T</a> <a href="unused.html#decl-SLANG_anonymous_3" class="code_param">SLANG_anonymous_3</a>);

</pre>

## Generic Parameters

####  <a id="typeparam-T"></a>T

## Parameters

####  <a id="decl-SLANG_anonymous_3"></a>SLANG\_anonymous\_3  : [T](unused.html#typeparam-T)
Use an otherwise unused value
This can be used to silence the warning about returning before initializing an out paramter.