Created
March 19, 2020 20:39
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| func levelsReducer(currentLevels: Levels, event: Event) -> Levels { | |
| guard currentLevels.left != currentLevels.right else { return currentLevels } | |
| switch event { | |
| case .decreaseLeft: | |
| return Levels(left: currentLevels.left-1, right: currentLevels.right) | |
| case .increaseLeft: | |
| return Levels(left: currentLevels.left+1, right: currentLevels.right) | |
| case .decreaseRight: | |
| return Levels(left: currentLevels.left, right: currentLevels.right-1) | |
| case .increaseRight: | |
| return Levels(left: currentLevels.left, right: currentLevels.right+1) | |
| } | |
| } |
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