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

```ts
type UnionToIntersection<U> = U extends unknown
  ? (k: U) => void
  : never extends (k: infer I) => void
    ? I
    : never;
```

Defined in: [packages/common/src/Types.ts:470](https://github.com/evoluhq/evolu/blob/037c390af081e9944d616ff298a729515c5c5ab7/packages/common/src/Types.ts#L470)

Converts a union to an intersection.