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How Swift enums differ
A colleague who mostly writes Java or C asks whether a Swift enum is just a list of constants in the end. What's fundamentally different about a Swift enum compared with enums in other languages?
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SwiftMultiple choiceBasics
Which statements about Swift enum are correct? Pick all that apply.
#enum
SwiftShort answerIntro
Why does Swift have optionals?
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SwiftShort answerBasics
Extend Optional so that any optional can be asked for its nil status, like someOptional.i…
#enum
SwiftShort answerAdvanced
Suppose there were no question-mark optional syntax and no standard Optional. If you had …
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