Function isNull

isNull(value: unknown): value is null
It will determine whether the provided value is null or not.
Parameters
- value: unknown
Returns value is null
Since
1.0.0
Example
```
isNull(null); // => true
```
Example
```
isNull(undefined); // => false
```
Example
```
isNull(void 0); // => false
```
- Defined in is-null.ts:13