Function isNil

isNil(value: unknown): value is null | undefined
Parameters
- value: unknown
  The value to check.
Returns value is null | undefined
true whether the value is undefined or null.
Example
```
import { isNil } from '@untemps/utils/lang/isNil'

isNil(undefined) // true
isNil(42) // false
```
- Defined in lang/isNil.ts:16