Function isNotNil

Alias

isNotNil<T>(x): x is T
Checks if the given value is not null nor undefined.

The main use of this function is to be used with TypeScript as a type predicate.
Type Parameters
- T
  The type of value.
Parameters
- x: undefined | null | T
  The value to test if it is not null nor undefined.
Returns x is T
True if the value is not null nor undefined, false otherwise.
Example
```
// Here the type of `arr` is (number | undefined)[]
const arr = [1, undefined, 3];
// Here the type of `result` is number[]
const result = arr.filter(isNotNil);
// result will be [1, 3]
```
- Defined in src/predicates.ts:257