Function parseNum

parseNum<ReturnType>(value: string | number, returnNull?: ReturnType): ReturnType extends false ? string | number : null | number
Converts a string to an integer or a floating value

Example
```
parseNum('64');
=> 64

parseNum('2.14');
=> 2.14
```
Type Parameters
- ReturnType extends boolean = false
Parameters
- value: string | number
  
  The string to parse
- Optional returnNull: ReturnType
  
  Whether to return null if the input cannot be parsed to a number
Returns ReturnType extends false ? string | number : null | number
- Defined in number/parseNum/parseNum.ts:14