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목록@backDeployed (1)
김종권의 iOS 앱 개발 알아가기
[iOS - swift] 2. swift 5.8 정리 - optional generic, lazy var, @backDeployed
1. swift 5.8 정리 - implicit self, magic file name, collection downcast 2. swift 5.8 정리 - optional generic, lazy var, @backDeployed T { let numberToDouble = number ?? 0 return numberToDouble * 2 } let first = 1 let second = 2.0 let third: Float = 3 let numbers: [any Numeric] = [first, second, third] for number in numbers { let value = optionalDouble(number) // error: type 'any Numeric' cannot conf..
iOS 응용 (swift)
2023. 4. 10. 01:30