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February 13, 2019 02:14
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Dependency Inversion Bad Example
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struct User { | |
let name: String | |
let identifier: String | |
} | |
final class UserTransaction { | |
private let dataBase: DataBase | |
init(dataBase: DataBase) { | |
self.dataBase = dataBase | |
} | |
func add(user: User) { | |
dataBase.insert(user) | |
} | |
func edit(user: User) { | |
dataBase.update(user) | |
} | |
func delete(identifier: String) { | |
dataBase.delete(identifier: identifier) | |
} | |
} |
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