[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) › assertNotEqual

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

Defined in: [packages/common/src/Assert.ts:1148](https://github.com/evoluhq/evolu/blob/ecbac001e0c18bbc45b44715f49ecc3a768c5ec9/packages/common/src/Assert.ts#L1148)

Asserts that two values are not equal.

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

### Example

```ts

assertNotEqual({ name: "Ada" }, { name: "Grace" });
assertNotEqual([1, 2], [2, 1]);
```