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layout: stdlib-reference
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# IForwardDifferentiable\<FType\>\.fwd\_diff

## Description





## Signature 

<pre>
<span class='code_keyword'>static</span> <a href="index.html" class="code_type">IForwardDifferentiable</a>&lt;<a href="index.html#typeparam-FType" class="code_type">FType</a>&gt;.<a href="fwd_diff.html">fwd_diff</a> : <a href="../../types/fwddifffunctype-037b/index.html" class="code_type">FwdDiffFuncType</a>&lt;<a href="index.html#typeparam-FType" class="code_type">FType</a>&gt;
</pre>