Function isUndefined

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