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Test: Swift - The Implementation of Optionals

2. Which of the following cases does Optional enum contain in Swift?



Results
Congratulations! Correct Answer.
You Answered: None. If you took the test, your answer will show up here.
Correct Answer: None; Some;
Explanation
The Optional enum contains two cases - None represents nil or the no-value state and Some represents the a value of type Wrapped.
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Question 2 of 5


Test is Based on this Article
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This article discusses how Optionals are implemented in Swift.
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Test on how Optionals are implemented internally in Swift.

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