The next topic in my series on iOS Interview questions explains unwrapping Optionals in Swift. This iOS interview question was asked in most almost all interviews. In this Swift tutorial I’ll explain if let, guard statements, optional chaining, and force unwrapping, using Xcode.
This is part of a series of videos about iOS interview questions in Swift. Check out the overview where I list and briefly discuss all the topics that are in this series:
Optional Chaining Apple Doc
Xcode Project Source Code:
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