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layout: stdlib-reference
---

# interface IDifferentiableMutatingFunc\<TR, each TP\>

*Inherits from:* [IMutatingFunc](../imutatingfunc-019/index.html)\<[TR](../imutatingfunc-019/index.html#typeparam-TR), [TP](../imutatingfunc-019/index.html#typeparam-TP)\>

## Description

Represents an interface for a mutating function that can take multiple differentiable parameters.
The function allows to modify the state of the object it belongs to and supports differentiation.


## Generic Parameters

####  <a id="typeparam-TR"></a>TR: [IDifferentiable](../idifferentiable-01/index.html)
####  <a id="typeparam-TP"></a>TP: [IDifferentiable](../idifferentiable-01/index.html)

## Methods

* [operator\(\)](operatorx28x29)


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