cats-oss / extensionproperty Goto Github PK

protocol Animal {}

enum AnimalPropertyKeys: String, ExtensionPropertyKey {
    case name
}

final class Dog: Animal {}

extension Dog: ExtensionProperty {}

// Declare setter and getter to property
extension Animal where Self: ExtensionProperty {
    var name: String {
        get {
            return getProperty(key: AnimalPropertyKeys.name, defaultValue: "")
        }

        set {
            setProperty(key: AnimalPropertyKeys.name, newValue: newValue)
        }
    }
}

let dog = Dog()

// You can assign string to dog.name
dog.name = "Autumn"

dependencies: [
    .package(url: "https://github.com/cats-oss/ExtensionProperty", from: "1.0.2")
]