December 2018
Intermediate to advanced
414 pages
10h 19m
English
Content preview from Hands-On Design Patterns with Swift
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Extracting a single protocol
Let's take a look at how to extract a single protocol:
protocol CardReaderState { func perform(context: CardReader)}
Next, we need to implement all our states as structs or classes, preferring singletons if possible. Let's use structs for this example.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.