Your First iOS & SwiftUI App: An App from Scratch, Episode 27: Variables & Constants | raywenderlich.com

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1

Finalize the difference algorithm and score calculation, and learn about an important Swift concept: the difference between variables and constants.

This is a companion discussion topic for the original entry at https://www.raywenderlich.com/28797163-your-first-ios-swiftui-app-an-app-from-scratch/lessons/27
2

Take this simplification to the next level:

  func points(slidervalue: Int) -> Int {
    return 100 - abs(self.target - slidervalue)
  }