randomFPString function
Implementation
String randomFPString(int length) {
const chars = 'QWEuytrRTYklpowqGFDSAZXCVB346NM279mnbUIOvcxzPLKJHasdfghj';
return String.fromCharCodes(
Iterable.generate(
length,
(_) => chars.codeUnitAt(_random.nextInt(chars.length)),
),
);
}