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Test: Swift - Optional Binding

4. var toy: Toy?; if let toy = toy {} else {} - What’s the type of toy constant declared in the if clause?



Results
Congratulations! Correct Answer.
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Correct Answer: let toy: Toy
Explanation
The toy used in the optional binding will be of the same type wrapped inside the original optional. So, here the original optional is Toy?, and hence, this constant will be of type Toy (non-optional)
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Question 4 of 5


Test is Based on this Article
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This article discusses the safer ways of unwrapping an optional in Swift that includes Optional Binding.
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Test on using Optional Binding in Swift.

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