rc-js-util/docs/rc-js-util.fponce.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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## fpOnce() function

Creates a function that can be called many times but will run at most once.

**Signature:**

```typescript
export declare function fpOnce<TArgs extends unknown[], TRet>(initialize: (...args: TArgs) => TRet): (...args: TArgs) => TRet;
```

## Parameters

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

Parameter


</th><th>

Type


</th><th>

Description


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

initialize


</td><td>

(...args: TArgs) =&gt; TRet


</td><td>


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

(...args: TArgs) =&gt; TRet

## Remarks

See [fpOnce()](./rc-js-util.fponce.md)<!-- -->.