Function parseStringLastValue

parseStringLastValue(source: string): Maybe<CronLastValue>
Parses a string into a CronLastValue.

Example
```
parseStringLastValue("5L"); // { last: 5 }
parseStringLastValue("INVALID"); // undefined
```
Returns
A CronLastValue or undefined if invalid.
Parameters
- source: string
  
  string to be parsed.
Returns Maybe<CronLastValue>
- Defined in src/parsers/parseStringLastValue.ts:20