[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:311](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Types.ts#L311)

Converts a union to an intersection.