rc-js-util/docs/rc-js-util.ionfreelistener.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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[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [IOnFreeListener](./rc-js-util.ionfreelistener.md)

## IOnFreeListener interface

A listener for [IManagedResourceNode](./rc-js-util.imanagedresourcenode.md)<!-- -->.

**Signature:**

```typescript
export interface IOnFreeListener 
```

## Methods

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

Method


</th><th>

Description


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

[onFree()](./rc-js-util.ionfreelistener.onfree.md)


</td><td>

Should be called once the resource has been freed.


</td></tr>
</tbody></table>