Created
April 12, 2017 20:17
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| extension Optional { | |
| func flatMapWith<T, U>(_ other: T?, _ transform: (Wrapped, T) -> U?) -> U? { | |
| guard case .some(let `self`) = self else { | |
| return nil | |
| } | |
| guard let element = other else { | |
| return nil | |
| } | |
| return transform(self, element) | |
| } | |
| } |
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