Why Program Using Optionals in Swift (Episode 27)

from CartoonSmart Tutorials · host Justin Dike

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.

Episode metadata supplied by the publisher feed · Published May 24, 2016

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