Скачать или смотреть S02E13: Calculating score with zip, reduce & generics in Swift | Professional iOS Engineering Series

In this episode, you'll see how to replace a procedural scoring implementation that relies on a temporary mutable variable with a more functional approach using Swift's `zip` and `reduce` functions (no mutation!).

Moreover, we extend the scoring function with generics to support any equatable answer type, and we move the scoring business logic from the QuizEngine to the client app, as the scoring logic is application-specific.

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