Created
September 27, 2021 08:27
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Converting Optional Array to Optional Set
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| extension Optional where Wrapped: Collection, Wrapped.Element: Hashable { | |
| func transformToSet() -> Set<Wrapped.Element>? { | |
| if let self = self { | |
| return Set(self) | |
| } else { | |
| return nil | |
| } | |
| } | |
| } |
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