[API reference](https://evolu.dev/docs/api-reference) › [@evolu/common](https://evolu.dev/docs/api-reference/common) › [Function](https://evolu.dev/docs/api-reference/common/Function) › constNull

```ts
const constNull: Thunk<null>;
```

Defined in: [packages/common/src/Function.ts:294](https://github.com/evoluhq/evolu/blob/59dabb7c56c68040b30d3919013adeb2b40bad10/packages/common/src/Function.ts#L294)

A [Thunk](https://evolu.dev/docs/api-reference/common/Function/type-aliases/Thunk) that returns `null`.