Swift? Or, depending on how you feel about sending a message to nil simply returning nil, Objective-C? Swift's variant is much more modern, though, as it has

Swift? Or, depending on how you feel about sending a message to nil simply returning nil, Objective-C? Swift's variant is much more modern, though, as it has the ability to inline assert. https://docs.swift.org/swift-book/LanguageGuide/OptionalChaining.html https://docs.swift.org/swift-book/LanguageGuide/OptionalChai...