Integrate Combine Into an App

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SwiftUI’s tight integration with Combine means that the publisher-subscriber paradigm is presented in a different way from what you’re used to from previous examples. In fact, the paradigm is almost entirely hidden from you, only exposing some hooks via property wrappers and interfaces.

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@Published public var fetching: Bool = false
@Published public var joke: Joke = Joke.starter
@Published public var backgroundColor = Color("Gray")
@Published public var decisionState: DecisionState = .undecided
@Published public var showTranslation = false

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