pickChar static method
Picks a random character from a string.
values
a string to pick a char from Returns a randomly picked char.
Implementation
/// - [values] a string to pick a char from
/// Returns a randomly picked char.
static String pickChar(String? values) {
if (values == null || values.isEmpty) return '';
var index = RandomInteger.nextInteger(values.length);
return values.substring(index, index + 1);
}