# NonNullable

`import { NonNullable } from "destack:types";`

Remove `null` and `undefined` from `T`.

```ds title="NonNullable"
export type NonNullable<T> = Exclude<T, null | undefined>
```

[language/library/src/types/object.ds:60](https://github.com/destack-sh/destack/blob/main/language/library/src/types/object.ds#L60)