Swift Tutorial for iOS : Optionals (Day 3)

Swift Tutorial for iOS : Optionals (Day 3)
In this video we're going to be talking about Swift Optionals, which are the: "!", "?", and "??" keywords.

In this video we’re going to be talking about Swift Optionals, which are the: “!”, “?”, and “??” keywords.

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✎ GitHub: https://github.com/federicocotogno

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