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Test: Swift - Boolean Types

4. var name: String?; if(name) { print(name) } - What does it print?



Results
Congratulations! Correct Answer.
You Answered: None. If you took the test, your answer will show up here.
Correct Answer: Error
Explanation
The above code will not compile and result in an error. The if control statement can only check for a Bool value — not a String value or Int value, etc. However the above will compile and behave as expected with: if (name != nil) { …. }
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Question 4 of 5


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