You’ve made it to the end of the tenth part of this series, so let’s summarize:
if let
or using guard let
.nil
your code will crash.try?
to convert a throwing function into an optional return value, or try!
to crash if an error is thrown.init?()
to make a failable initializer.SPONSORED Let’s face it, SwiftUI previews are limited, slow, and painful. Judo takes a different approach to building visually—think Interface Builder for SwiftUI. Build your interface in a completely visual canvas, then drag and drop into your Xcode project and wire up button clicks to custom code. Download the Mac App and start your free trial today!
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