random static method
Random Methods
Implementation
static String random(int length) {
String hex = '0123456789AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz';
return List.generate(length, (index) => hex[Random().nextInt(hex.length)]).join();
}