Function isNot

isNot<T, S>(guard: (data: T) => data is S): (data: T) => data is Exclude<T, S>
Inverse guard
Type Parameters
- T
- S
Parameters
- guard: (data: T) => data is S
  guard function
Returns (data: T) => data is Exclude<T, S>
Example
```
[new Error('Error'), 1, 2].filter(isNot(isError))
// [1, 2]
```
- Defined in src/guards.ts:191