array with functions
class Bla
{
   let arrayOfFunctions = [function1, function2]
   func function1() 
   {
      print("function1")
   }
    func function2() {
        print("function2")
    }
   func useTheFuncs()
   {
    let fn1 = arrayOfFunctions[0]
    fn1(self)()
   }
}