Function fromChars

fromChars(texts?): string | undefined
Returns a string that represents the given string array
Parameters
- Optionaltexts: (undefined | null | string)[]
  the source strings to inspect
Returns string | undefined
a string that represents the given string array
Example
```
fromChars(undefined);    // undefined
fromChars(['f', 'o', 'o', 'b', 'a', 'r']);    // 'foobar'
```