rc-js-util/docs/rc-js-util._map.push.md

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

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [rc-js-util](./rc-js-util.md) &gt; [\_Map](./rc-js-util._map.md) &gt; [push](./rc-js-util._map.push.md)

## \_Map.push property

Used with maps that store arrays. Where an array exists for a given key the value will be appended to that array, otherwise a new array will be created containing the value.

**Signature:**

```typescript
static readonly push: typeof mapPush;
```

## Remarks

See [mapPush()](./rc-js-util.mappush.md)<!-- -->.