unwrap method

  1. @override
  2. @useResult
Never unwrap({
  1. String? msg,
})
override

Returns the contained value.

Throws

Throws a StateError (with custom message msg if provided) if this is a None.

Examples

// prints "2"
print(const Some(2).unwrap());

// throws a `StateError`
print(const None<int>().unwrap());

Implementation

@override
@useResult
Never unwrap({String? msg}) => throw StateError(msg ?? 'tried to unwrap `None` as `Some`');