rc-js-util/docs/rc-js-util._map.initializeget.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; [\_Map](./rc-js-util._map.md) &gt; [initializeGet](./rc-js-util._map.initializeget.md)

## \_Map.initializeGet property

Gets the value from a `Map` for a given key, where the value is `undefined` or hasn't been set, the callback's return will be inserted into the `Map` and returned.

**Signature:**

```typescript
static readonly initializeGet: typeof mapInitializeGet;
```

## Remarks

See [mapInitializeGet()](./rc-js-util.mapinitializeget.md)<!-- -->.