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

```ts
function assertNotSame(actual: unknown, expected: unknown): void;
```

Defined in: [packages/common/src/Assert.ts:1043](https://github.com/evoluhq/evolu/blob/ecbac001e0c18bbc45b44715f49ecc3a768c5ec9/packages/common/src/Assert.ts#L1043)

Asserts that two values are not the same using `Object.is`.

The opposite of [assertSame](https://evolu.dev/docs/api-reference/common/Assert/variables/assertSame).

### Example

```ts

const first = { name: "Ada" };
const second = { name: "Ada" };

assertNotSame(first, second);
assertNotSame(0, -0);
```