Why Program Using Optionals in Swift (Video Tutorial Podcast Episode 27)
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In this Swift video tutorial, we’ll discuss the how’s and why’s of programming optional variables in any of your iOS or tvOS apps or games. Optionals allow you to test if a variable is nil or not. We’ll go over testing for nil values, then safely forcing a value from an optional variable.
Hosts: Justin Dike, Clevon O’Doul
