generics.swift

struct StringDataProvider: DataProvider {

    let data = ["someValue", "anotherValue"]
    
    func object(atIndex index: Int) -> String {
        return data[index]
    }
}

struct IntView: ConfigurableView {
    
    func configure(with data: Int) {
        //
    }
}

struct StringView: ConfigurableView {
    func configure(with data: String) {
        //
    }
}

let controller = ViewController(view: IntView(), data: StringDataProvider())