[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) › EvoluType

```ts
const EvoluType: base("EvoluType", (value) =>
  isType(value)
    ? ok(value)
    : err<EvoluTypeError>({
        type: "EvoluType",
        value,
      }),
);
```

Defined in: [packages/common/src/Type.ts:910](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Type.ts#L910)

Validates that an unknown value is an Evolu [Type](https://evolu.dev/docs/api-reference/common/Type/interfaces/Type) (i.e., satisfies
`AnyType`).

### Example

```ts
const result = EvoluType.from(String); // ok(String)
const error = EvoluType.from("not a Type"); // err
```