AskingForUsersName.swift

struct AskingForUsersName : Action {
    func execute(data: String, callback: @escaping (DataType, BehaviourResult) -> ()) {
        print("Who am I talking to?")
        let name = readLine()
        if let name = name, name.utf8.count > 0{
            callback(name, .succeeded)
        } else {
            callback(data, .failed)
        }
    }
}