unwrap method
Returns the contained value.
Throws
Throws a StateError (with custom message msg
if provided) if this
is an Err.
Examples
// prints "2"
print(const Ok<int, String>(2).unwrap());
// throws a `StateError`
print(const Err<int, String>('error').unwrap());
Implementation
@override
@useResult
Never unwrap({String? msg}) {
throw StateError('${msg ?? 'tried to unwrap `Err` as `Ok`'}: $error');
}