Function toChars

toChars(text?: null | string): undefined | string[]
Returns a string array that represents the given string
Parameters
- Optionaltext: null | string
  the source string to inspect
Returns undefined | string[]
a string array that represents the given string
Author
David Hsing
Example
```
toChars(undefined);    // undefined
toChars('foobar');    // ['f', 'o', 'o', 'b', 'a', 'r']
```