# RefSubjectState

Public interface exposed as RefSubjectState from @typed/react/Hooks.

## Signatures

```ts
export interface RefSubjectState<A, E> extends AsyncState<A, E> {
    readonly set: (value: A) => Promise<Exit.Exit<A, E>>;
    readonly update: (f: (value: A) => A) => Promise<Exit.Exit<A, E>>;
}
```