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

```ts
function set<ElementType>(element: ElementType): SetType<ElementType>;
```

Defined in: [packages/common/src/Type.ts:2582](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Type.ts#L2582)

Set of a specific [Type](https://evolu.dev/docs/api-reference/common/Type/interfaces/Type).

### Example

```ts
const NumberSet = set(Number);

const result1 = NumberSet.from(new Set([1, 2, 3])); // ok(Set { 1, 2, 3 })
const result2 = NumberSet.from(new Set(["a", "b"])); // err(...)
```