rc-js-util/docs/rc-js-util.fpidentity.md

A collection of TS and C++ utilities to help writing performant and correct applications, achieved through strict typing and (removable) invariant checking.

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## fpIdentity() function

Returns the argument.

**Signature:**

```typescript
export declare function fpIdentity<TItem>(arg: TItem): TItem;
```

## Parameters

<table><thead><tr><th>

Parameter


</th><th>

Type


</th><th>

Description


</th></tr></thead>
<tbody><tr><td>

arg


</td><td>

TItem


</td><td>


</td></tr>
</tbody></table>
**Returns:**

TItem

## Remarks

See [fpIdentity()](./rc-js-util.fpidentity.md)<!-- -->.