Yeni Derleyici Yönergeleri

OldViewController.swift

func encrypt(_ string: String, with password: String) -> String {
    #warning("This is terrible method of encryption")
    return password + String(string.reversed()) + password
}
struct Configuration {
    var apiKey: String {
        #error("Please enter your API key below then delete this")
        return "Enter your key here"
    }
}