Interview Questions: What is Optional in Swift?

Update: I've published a book that helps you prep and ace iOS interviews: http://iosinterviewguide.com/ There are a lot of questions you could be asked »

iOS Interview Questions For Senior Developers

Update: I've published a book that helps you prep for iOS interviews: http://iosinterviewguide.com/. It covers the following questions and more. Update: there's a revised »