Function not

not<T>(fn): ((...parameters) => boolean)
Category
Create a new function that calls the provided fn and negates the result.

Time complexity: O(1)

Space complexity: O(1)
Type Parameters
- T extends ((...parameters) => boolean)
Parameters
- fn: T
  Function to negate the return value of
Returns ((...parameters) => boolean)
The inverted return value of fn

Higher order
- - (...parameters): boolean
  - Parameters
    - Rest ...parameters: Parameters<T>
    Returns boolean
Example
```
import { nullish } from '@jonahsnider/util';

const array = [0, null, '', undefined, false];

array.filter(not(nullish)); // [0, '', false]
```
- Defined in src/higher-order/not.ts:24