# Updater

# Type Alias: Updater\<T\>

```ts
type Updater<T> = T | (old) => T;
```

Defined in: [types/type-utils.ts:1](https://github.com/TanStack/table/blob/main/packages/table-core/src/types/type-utils.ts#L1)

## Type Parameters

### T

`T`