Function isNumber

isNumber(input): input is number
typeof "number" alias.

Example
```
isNumber(1); // true
isNumber(Infinity); // true
isNumber(NaN); // true
isNumber(1n); // false
```
Parameters
- input: unknown
Returns input is number
true if the given value is a number, false otherwise.
- Defined in work/predicates/predicates/src/isType.ts:22