Why is Xcode telling me to add .map { $0.rawValue } when I can just do ?.rawValue? Why is Xcode telling me to add .map { $0.rawValue } when I can just do ?.rawValue? xcode xcode

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Why is Xcode telling me to add .map { $0.rawValue } when I can just do ?.rawValue?

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(Swift) Initializer for conditional binding must have Optional type, not 'AVAudioInputNode'

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How to encode Int as an optional using NSCoding

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Swift double unwrapping of Optionals

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Is there a better way of coping with Swift's nested "if let" "pyramid of doom?"

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