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[Home](./index.md) &gt; [@easyops-cn/brick-next-pipes](./brick-next-pipes.md) &gt; [not](./brick-next-pipes.not.md)

## not() function

布尔取反。

 Logic

**Signature:**

```typescript
export declare function not(value: unknown): boolean;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  value | unknown | 输入值 |

**Returns:**

boolean

取反后的布尔值。