maxChars method
Trims the String
to have maximum n
characters.
Example
String foo = 'esentis';
String newFoo = foo.maxChars(3); // 'esen';
Implementation
String? maxChars(int n) {
if (this == null) return null;
if (this!.isEmpty) return this;
if (n <= 0) return '';
if (n >= this!.length) return this;
return this!.substring(0, n);
}