calculated properties

class Users{
    private var _currentUser:String = ""
    private var _currentPass:String = ""
    private var _isAdmin:Bool = false

    var logAdmin:String {
        get {return "you are not allowed"}
        set (userId){
            if userId=="zeev"
            {
                _isAdmin=true
            }
        }
    }

    var currentPass:String {
        get{return "you are not allowed"}
        set (newPass){
            if _isAdmin
            {
                _currentPass=newPass
                print ("password is changed")
            }
            else
            {
                print ("user dont have previlage to change password")
            }
        }
    }


}

var user = Users()
user.logAdmin = "zeev"
user.currentPass = "Where The Food"