Make App Pie
Training and Instructional Design
Tag: downcasting
The Swift Swift Tutorial: Ten Points for Using Optionals.
In the first month and a half of using Swift, I could argue the optional value is the most difficult new concept. It isn’t hard, just something different to wrap one’s head around. That Apple’s documentation peppers information about optionals in two different e-books… Continue Reading “The Swift Swift Tutorial: Ten Points for Using Optionals.”
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