Beginner
Swift
Q9 / 100
What is the nil-coalescing operator ?? in Swift?
Correct! Well done.
Incorrect.
The correct answer is B) Returns the wrapped optional value if non-nil; otherwise returns the right-hand default
B
Correct Answer
Returns the wrapped optional value if non-nil; otherwise returns the right-hand default
Explanation
let name = optName ?? "Anonymous" returns optName's value if not nil, otherwise "Anonymous".
Progress
9/100