toString method
Implementation
@override
String toString() {
// Return a hex string representation of the CAS.
final higher = _value >>> 32;
final lower = _value & 0xFFFFFFFF;
final hexDigits = '${higher.toRadixString(16).padLeft(8, '0')}'
'${lower.toRadixString(16).padLeft(8, '0')}';
return '0x$hexDigits';
}