[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) › positive

```ts
const positive: BrandFactory<"Positive", number, PositiveError>;
```

Defined in: [packages/common/src/Type.ts:1946](https://github.com/evoluhq/evolu/blob/e7144e2bbe9069362b62dec1b64a8aa922b8f1b0/packages/common/src/Type.ts#L1946)

Positive number (> 0).

### Example

```ts
const PositiveNumber = positive(Number);

const result = PositiveNumber.from(42); // ok
const errorResult = PositiveNumber.from(-5); // err
```